Radiation, dust & the space environment

Packet identity

Packet ID

systems:radiation-environment

Packet SHA-256 identity

0ac0b8279618b681da91f394cd60e875c18f69e27117952303863344f981327d

Corpus SHA-256 identity

8fa944604ca189f5a9216ca59f640ad2ca20972ad512f2f4970764716782e18d

Release ID

public-alpha-2026-07-26-research-visuals-r14

Source commit

3eb036fce3d711336c8c605625895e8a2e799ab0

Frozen corpus date

2026-07-25

Primary records

24

Reference sources

35

Questions and exclusions

Required questions

1. Required question 1 (exact ID: question-1)
   Does each evidence basis, readiness level, confidence level, rationale, and locator match the frozen sources?
2. Required question 2 (exact ID: question-2)
   Are dependencies, failure modes, precursors, unknowns, Earthside benefits, and the stop gate technically and ethically bounded?
3. Required question 3 (exact ID: question-3)
   Which conclusion should be approved, revised, contested, rejected, or recused from at its current fingerprint?

Explicit exclusions

• A system packet is not a complete spacecraft design, feasibility proof, safety case, or launch authorization.
• Context sources do not become direct support unless the record says so with an exact locator and relation.

Requested controlled scopes: information-science, radiation-health-physics, structures-safety, systems-engineering

Frozen-evidence decision window: 365 days from the packet freeze. Not applicable to this packet family.

Complete primary record set

Every record below has one primary packet owner. Decisions must bind to the exact record and packet fingerprints; a changed lesson body, evidence grade, citation, locator, source snapshot, requirement, policy, release, or commit expires the old packet.

1. system · radiation-environment

   Radiation, dust & the space environment

   Record fingerprint

   7dcbbc9c5c6b475b65e247c3e74c5f0d10d0f424332183c8840ac9d20cf716ee

   Minimum approvals

   1

   Required scope groups

   bounded-competence: radiation-health-physics, structures-safety

   High-consequence domains

   None under the named two-person rule

   Review state

   pending

   Published human decisions

   0

   Inspect the complete frozen review surface

   Slug

   radiation-environment

   Name

   Radiation, dust & the space environment

   Short Name

   Space environment

   Index

   15

   Thesis

   Radiation and impact protection are lifetime environmental systems whose mass, secondary effects, repair, and biological uncertainty cannot be reduced to one shielding thickness.

   Current State

   1. Solar-event shelters, material testing, dosimetry, MMOD shielding, and astronaut radiation standards exist for current missions.
   2. Low-atomic-number, hydrogen-rich materials can reduce dose more effectively per unit mass for selected spectra, and water or other stowage may be positioned as shielding; performance requires geometry- and spectrum-specific transport analysis and testing.
   3. Active magnetic shielding remains low maturity and can introduce strong-field, superconducting-cryogenic, quench, power, and structural hazards. Electrostatic concepts instead introduce extreme-voltage, arcing, field-emission, plasma-neutralization, and power hazards.

   Unknowns

   1. Chronic mixed-field GCR effects across conception, childhood, aging, microbes, crops, electronics, and materials are not established.
   2. High-speed interaction with interstellar gas and dust can produce erosion, plasma, and secondary radiation; results depend strongly on speed, frontal area, material, column density, and uncertain grain distributions.
   3. Shielding can create secondary radiation and conflict with mass, heat, access, and maintainability.

   Earth Benefits

   1. Radiation-tolerant electronics, materials qualification, and dosimetry improve aviation, medicine, nuclear systems, and emergency response.
   2. Multifunctional protective structures advance safer spacecraft and harsh-environment infrastructure.

   Dependencies

   1. structures-shielding
   2. health-medicine
   3. propulsion

   Gate

   Validate representative spectra, impact regimes, secondary particles, inspection, repair, and lifetime biological risk before relying on a shield architecture.

   Sources

   1. Title

      NASA Space Radiation Element

      URL

      https://www.nasa.gov/reference/about-the-space-radiation-element/↗ (opens external site in a new tab)

      Kind

      Primary or institutional source

   2. Title

      NASA Hypervelocity Impact Technology

      URL

      https://hvit.jsc.nasa.gov/reference-documents/↗ (opens external site in a new tab)

      Kind

      Primary or institutional source

   3. Title

      Relativistic spacecraft interaction with the ISM

      URL

      https://arxiv.org/abs/1608.05284↗ (opens external site in a new tab)

      Kind

      Peer-reviewed model

   Failure Modes

   1. Galactic cosmic-ray, solar-particle, secondary-radiation, dust, plasma, or charging exposure is underestimated.
   2. An active shield adds quench, cryogenic, structural, field-exposure, and high-power failure modes greater than its benefit.

   Precursors

   1. Distributed dosimetry and material testing in cislunar space, on the lunar surface, and behind variable shielding.
   2. Accelerator radiobiology and validated transport models connected to lifetime medical and habitat decisions.

2. claim · claim-15-01

   Radiation and impact protection are lifetime environmental systems whose mass, secondary effects, repair, and biological uncertainty cannot be reduced to one shielding thickness.

   Record fingerprint

   ca1c0c2302f3a0c3f9e8b01495d4dfbc84f2f556dc1393bc9fb80d02a4f5c6f0

   Minimum approvals

   2

   Required scope groups

   domain-method: clinical-health, radiation-health-physics, structures-safety; rights-public-interest: affected-public-rights

   High-consequence domains

   medical, radiation

   Review state

   pending

   Published human decisions

   0

   Inspect the complete frozen review surface

   ID

   claim-15-01

   System Slug

   radiation-environment

   Kind

   thesis

   Statement Ref

   Field

   thesis

   Statement

   Radiation and impact protection are lifetime environmental systems whose mass, secondary effects, repair, and biological uncertainty cannot be reduced to one shielding thickness.

   Statement Fingerprint

   ae9185c15ddcd85d4776a8cb0e9545ed169b6f71b52a8e0bbc8f3483bb3b6199

   Assessment

   Status

   Editorial assessed (exact value: editorial-assessed)

   Basis

   modeled

   Readiness

   Breakthrough dependent (exact value: breakthrough-dependent)

   Confidence

   supported

   Rationale

   Current impact and radiation standards show spectrum-, geometry-, material-, repair-, and lifetime-dependent protection. Published relativistic models add different regimes and uncertainties, so no single thickness closes the system.

   Citations

   1. Source ID

      src-mp-nasa-hvit

      Locator

      MMOD risk, shield types, ballistic-limit methods, test evidence, and damage sensing.

      Relation

      Direct method (exact value: direct-method)

   2. Source ID

      src-mp-nasa-std-3001-v1

      Locator

      Section 4.8, current spaceflight-radiation health requirements.

      Relation

      Direct normative authority (exact value: direct-normative-authority)

   3. Source ID

      src-mp-hoang-ism

      Locator

      Conditional 0.2c gas and dust damage mechanisms and shielding discussion.

      Relation

      Scope boundary (exact value: scope-boundary)

   Context Source IDs

   1. core-15-1
   2. core-15-2
   3. core-15-3

   Editorial Provenance

   Status

   Substantive editorial review (exact value: substantive-editorial-review)

   Reviewers

   1. GShips Project editorial synthesis

   Conflicts

   1. Publisher intends to explore a commercial venture based on some GShips work.

   What Would Change

   A validated integrated protection architecture covering representative impact and radiation spectra, secondary products, repair, every life stage, and material aging would raise readiness.

   High Consequence

   1. medical
   2. radiation

3. claim · claim-15-02

   Solar-event shelters, material testing, dosimetry, MMOD shielding, and astronaut radiation standards exist for current missions.

   Record fingerprint

   2bb42d0aabd0d4eb4a04987877290f097508ec93575d8a0ba5cfeeb8e61f02c8

   Minimum approvals

   2

   Required scope groups

   domain-method: clinical-health, nuclear-safety, radiation-health-physics, structures-safety; rights-public-interest: affected-public-rights

   High-consequence domains

   medical, nuclear, radiation, spacecraft-safety

   Review state

   pending

   Published human decisions

   0

   Inspect the complete frozen review surface

   ID

   claim-15-02

   System Slug

   radiation-environment

   Kind

   current state

   Statement Ref

   Field

   currentState

   Index

   0

   Statement

   Solar-event shelters, material testing, dosimetry, MMOD shielding, and astronaut radiation standards exist for current missions.

   Statement Fingerprint

   b4e4b2f5d854431d6fce543261b70460c9a49db450c5d89c880207b02062ab76

   Assessment

   Status

   Editorial assessed (exact value: editorial-assessed)

   Basis

   demonstrated

   Readiness

   operational

   Confidence

   strong

   Rationale

   NASA operates dosimetry, material and radiation research, crew-health requirements, and MMOD design and test practices for current missions. Their operational readiness is bounded by specified mission duration, orbit, particle environment, hardware, and selected astronaut populations.

   Citations

   1. Source ID

      src-hp-nasa-radiation-element

      Locator

      Current radiation sources, dosimetry and experimental facilities, health-risk models, and shielding or countermeasure research.

      Relation

      Direct observation (exact value: direct-observation)

   2. Source ID

      src-mp-nasa-std-3001-v1

      Locator

      Section 4.8 current crew-health and spaceflight-radiation requirements and standard applicability.

      Relation

      Direct normative authority (exact value: direct-normative-authority)

   3. Source ID

      src-hp-nasa-mmod-handbook

      Locator

      Chapters 2–9 on present MMOD risk, shields, ballistic-limit methods, testing, sensing, and operations.

      Relation

      Direct method (exact value: direct-method)

   Context Source IDs

   1. core-15-1
   2. core-15-2
   3. core-15-3

   Editorial Provenance

   Status

   Substantive editorial review (exact value: substantive-editorial-review)

   Reviewers

   1. GShips Project editorial synthesis

   Conflicts

   1. The project uses current NASA capabilities as an evidence baseline for a future assurance platform; operational status is not extended beyond the cited mission regimes and no NASA relationship is implied.

   What Would Change

   Program retirement or evidence that a named capability is not operational in its stated regime would narrow the claim. Representative long-duration mixed-field, civil-lifetime, and high-speed-impact demonstrations would expand the regime, but current capability alone does not establish generation-ship safety.

   High Consequence

   1. medical
   2. radiation
   3. nuclear
   4. spacecraft-safety

4. claim · claim-15-03

   Low-atomic-number, hydrogen-rich materials can reduce dose more effectively per unit mass for selected spectra, and water or other stowage may be positioned as shielding; performance requires geometry- and spectrum-specific transport analysis and testing.

   Record fingerprint

   ee4b45a38889c36e311defbcf4160d525ed62fa562a5b639412c4d026bf5ad1d

   Minimum approvals

   2

   Required scope groups

   domain-method: clinical-health, dual-use-risk, nuclear-safety, radiation-health-physics, structures-safety; rights-public-interest: affected-public-rights

   High-consequence domains

   dual-use, medical, nuclear, radiation, spacecraft-safety

   Review state

   pending

   Published human decisions

   0

   Inspect the complete frozen review surface

   ID

   claim-15-03

   System Slug

   radiation-environment

   Kind

   current state

   Statement Ref

   Field

   currentState

   Index

   1

   Statement

   Low-atomic-number, hydrogen-rich materials can reduce dose more effectively per unit mass for selected spectra, and water or other stowage may be positioned as shielding; performance requires geometry- and spectrum-specific transport analysis and testing.

   Statement Fingerprint

   a0b5f869da8d535f69c02d63f975341a5e39834246b422f08efd79639efb930f

   Assessment

   Status

   Editorial assessed (exact value: editorial-assessed)

   Basis

   modeled

   Readiness

   Major scale up (exact value: major-scale-up)

   Confidence

   supported

   Rationale

   Radiation-transport practice supports hydrogen-rich and other low-atomic-number materials for selected particle spectra and requires geometry-specific modeling of primary and secondary fields. Movable water or stowage can contribute shielding mass, but consumption, gaps, contamination, access, and changed geometry prevent a universal dose-per-mass or thickness rule.

   Citations

   1. Source ID

      src-hp-nasa-langley-radiation

      Locator

      Primary and secondary environments, low-Z and hydrogen-rich shielding, material optimization, geometry, and systems analysis.

      Relation

      Direct model (exact value: direct-model)

   2. Source ID

      src-hp-nasa-radiation-element

      Locator

      Radiation types, human-health uncertainty, experimental facilities, protection research, and risk-model limits.

      Relation

      Direct observation (exact value: direct-observation)

   3. Source ID

      src-mp-nasa-std-3001-v1

      Locator

      Section 4.8 current human-spaceflight radiation protection and health requirements.

      Relation

      Scope boundary (exact value: scope-boundary)

   Context Source IDs

   1. core-15-1
   2. core-15-2
   3. core-15-3

   Editorial Provenance

   Status

   Substantive editorial review (exact value: substantive-editorial-review)

   Reviewers

   1. GShips Project editorial synthesis

   Conflicts

   1. The planned assurance venture may benefit from inventory-aware radiation modeling and evidence tracking; this record recommends no material, thickness, reactor layout, vendor, or offensive application.

   What Would Change

   Representative mixed-field transport experiments with independently reproduced biological and material dosimetry could establish architecture-specific mass and geometry rules. Harmful secondary production, unavoidable coverage gaps, inventory depletion, or maintenance access that defeats shielding would narrow candidate arrangements.

   High Consequence

   1. medical
   2. radiation
   3. nuclear
   4. spacecraft-safety
   5. dual-use

5. claim · claim-15-04

   Active magnetic shielding remains low maturity and can introduce strong-field, superconducting-cryogenic, quench, power, and structural hazards. Electrostatic concepts instead introduce extreme-voltage, arcing, field-emission, plasma-neutralization, and power hazards.

   Record fingerprint

   f398ed3d84995c722e0163b8232374e6152ddbf39cbac6b87449d11d9352e9a6

   Minimum approvals

   2

   Required scope groups

   domain-method: clinical-health, dual-use-risk, radiation-health-physics, structures-safety; rights-public-interest: affected-public-rights

   High-consequence domains

   dual-use, medical, radiation, spacecraft-safety, structural-safety

   Review state

   pending

   Published human decisions

   0

   Inspect the complete frozen review surface

   ID

   claim-15-04

   System Slug

   radiation-environment

   Kind

   current state

   Statement Ref

   Field

   currentState

   Index

   2

   Statement

   Active magnetic shielding remains low maturity and can introduce strong-field, superconducting-cryogenic, quench, power, and structural hazards. Electrostatic concepts instead introduce extreme-voltage, arcing, field-emission, plasma-neutralization, and power hazards.

   Statement Fingerprint

   019f606a327c37481d1966add8b67c76f0204b29010c1e5926dcc0ffc58f5c5b

   Assessment

   Status

   Editorial assessed (exact value: editorial-assessed)

   Basis

   modeled

   Readiness

   Early research (exact value: early-research)

   Confidence

   supported

   Rationale

   Magnetic active-shield studies remain architecture and subsystem analyses rather than crew-protection flight demonstrations, and they explicitly identify large forces, thermal control, field compensation, and safe quench-energy dissipation. Electrostatic work is still a concept and low-energy bench regime; its high-voltage operation in a plasma environment carries charging, discharge, neutralization, emission, structure, and power concerns that require configuration-specific testing.

   Citations

   1. Source ID

      src-c1517-nasa-maarss

      Locator

      Abstract and architecture analyses: 8 m/1 T and 16 m/1.5 T coil concepts, large component forces, quench-energy dissipation, compensation coils, spacecraft eddy-current forces, and challenging HTS thermal control.

      Relation

      Direct model (exact value: direct-model)

   2. Source ID

      src-c1517-nasa-electrostatic-shield

      Locator

      Abstract and experiment description: electrostatically inflated membrane concepts tested only to 10 kV against a 5 keV electron source in a 30 by 60 cm vacuum chamber, explicitly below space-particle energies.

      Relation

      Direct model (exact value: direct-model)

   3. Source ID

      src-c1517-esa-electromagnetic-environment

      Locator

      Space-environment practice: high-voltage systems interacting with plasma can accumulate charge and produce damaging electrostatic discharge; plasma, radiation, interference, and materials effects require analysis.

      Relation

      Direct normative authority (exact value: direct-normative-authority)

   Context Source IDs

   1. core-15-1
   2. core-15-2
   3. core-15-3

   Editorial Provenance

   Status

   Substantive editorial review (exact value: substantive-editorial-review)

   Reviewers

   1. GShips Project editorial synthesis

   Conflicts

   1. The planned assurance venture may benefit from radiation-shield modeling and evidence tracking; no active-shield architecture, magnet supplier, voltage system, reactor arrangement, or weapon application is endorsed.

   What Would Change

   Representative mixed-field tests must demonstrate crew-area dose reduction while independently measuring fringe fields, structural loads, quench recovery, cryogenic and power faults, electrostatic discharge, field emission, plasma currents, charge neutralization, secondary radiation, and repairability. Safe integrated operation at mission-relevant scale would raise readiness; a common-cause loss-of-shield or crew hazard would narrow the candidate set.

   High Consequence

   1. medical
   2. radiation
   3. structural-safety
   4. spacecraft-safety
   5. dual-use

6. claim · claim-15-05

   No reviewed evidence establishes an integrated, century-scale mixed-field GCR risk case for the intended habitat across human development and aging, ecology, electronics, and materials.

   Record fingerprint

   6c659b80fca25b308dad49e650864b7ccd4b4b452bd3002c7fafcbbf373b821f

   Minimum approvals

   2

   Required scope groups

   domain-method: clinical-health, radiation-health-physics, structures-safety; rights-public-interest: affected-public-rights

   High-consequence domains

   life-support-continuity, medical, radiation

   Review state

   pending

   Published human decisions

   0

   Inspect the complete frozen review surface

   ID

   claim-15-05

   System Slug

   radiation-environment

   Kind

   unknown

   Statement Ref

   Field

   unknowns

   Index

   0

   Statement

   No reviewed evidence establishes an integrated, century-scale mixed-field GCR risk case for the intended habitat across human development and aging, ecology, electronics, and materials.

   Statement Fingerprint

   33440f0d7429177f467c2e00796e15b0dd23783b9bcea1029975d2a494fcd1a9

   Assessment

   Status

   Editorial assessed (exact value: editorial-assessed)

   Basis

   unknown

   Readiness

   Breakthrough dependent (exact value: breakthrough-dependent)

   Confidence

   strong

   Rationale

   Current radiation programs and standards provide bounded adult-astronaut models, biological evidence, and hardware assurance methods. The reviewed record does not establish one integrated, century-scale mixed-field GCR risk case covering human development and aging, ecology, electronics, and materials in the intended habitat.

   Citations

   1. Source ID

      src-hc-nasa-space-radiation

      Locator

      Current exploration radiation sources, adult health risks, and research scope.

      Relation

      Direct observation (exact value: direct-observation)

   2. Source ID

      src-hc-nasa-nscr-2020-operational

      Locator

      Operational astronaut cancer-risk model, population-transfer assumptions, uncertainty treatment, and bounded occupational scope.

      Relation

      Direct model (exact value: direct-model)

   3. Source ID

      src-hc-nasa-nscr-background-2025

      Locator

      Updated U.S. background-rate inputs and bounded adult mission examples, illustrating model maintenance and population dependence.

      Relation

      Scope boundary (exact value: scope-boundary)

   4. Source ID

      src-hc-nasem-space-radiation

      Locator

      Astronaut cancer-risk models, uncertainty, ethics, and present cohort context.

      Relation

      Direct observation (exact value: direct-observation)

   5. Source ID

      src-mp-nasa-std-3001-v1

      Locator

      Current crew-health radiation requirements and applicability boundary.

      Relation

      limitation

   6. Source ID

      src-mp-jsc-radiation-effects

      Locator

      Current avionics radiation-hardness assurance boundary.

      Relation

      Context only (exact value: context-only)

   Context Source IDs

   1. core-15-1
   2. core-15-2
   3. core-15-3

   Editorial Provenance

   Status

   Substantive editorial review (exact value: substantive-editorial-review)

   Reviewers

   1. GShips Project editorial synthesis

   Conflicts

   1. Publisher intends to explore a commercial venture based on some GShips work.

   What Would Change

   Representative mixed-field, lifetime, developmental, ecological, electronics, and materials evidence with validated transfer and uncertainty could narrow the listed unknowns.

   High Consequence

   1. medical
   2. radiation
   3. life-support-continuity

7. claim · claim-15-06

   High-speed interaction with interstellar gas and dust can produce erosion, plasma, and secondary radiation; results depend strongly on speed, frontal area, material, column density, and uncertain grain distributions.

   Record fingerprint

   311ff9a735495f345524704a26fd93efcf5e252834467c9ee9e1d11da0c7d467

   Minimum approvals

   2

   Required scope groups

   domain-method: radiation-health-physics, structures-safety; rights-public-interest: affected-public-rights

   High-consequence domains

   radiation, spacecraft-safety

   Review state

   pending

   Published human decisions

   0

   Inspect the complete frozen review surface

   ID

   claim-15-06

   System Slug

   radiation-environment

   Kind

   unknown

   Statement Ref

   Field

   unknowns

   Index

   1

   Statement

   High-speed interaction with interstellar gas and dust can produce erosion, plasma, and secondary radiation; results depend strongly on speed, frontal area, material, column density, and uncertain grain distributions.

   Statement Fingerprint

   1e1469b6c9f5f5a71c5c436546d927602d362c8b7597a639c39275952fd32da4

   Assessment

   Status

   Editorial assessed (exact value: editorial-assessed)

   Basis

   modeled

   Readiness

   Early research (exact value: early-research)

   Confidence

   supported

   Rationale

   Peer-reviewed models identify erosion, cratering, heating, charging, gas implantation, blistering, and plasma or secondary effects; quantitative results remain sensitive to assumed speed, geometry, material, column, and grain distribution.

   Citations

   1. Source ID

      src-mp-hoang-ism

      Locator

      Gas tracks, dust erosion and cratering, heating, charging, and conditional shielding estimates.

      Relation

      Direct model (exact value: direct-model)

   2. Source ID

      src-mp-london-dust

      Locator

      Hydrodynamic simulations of relativistic dust-impact damage.

      Relation

      Direct model (exact value: direct-model)

   3. Source ID

      src-mp-drobny-implantation

      Locator

      Gas implantation, accumulation, blistering, and exfoliation models.

      Relation

      Direct model (exact value: direct-model)

   Context Source IDs

   1. core-15-1
   2. core-15-2
   3. core-15-3

   Editorial Provenance

   Status

   Substantive editorial review (exact value: substantive-editorial-review)

   Reviewers

   1. GShips Project editorial synthesis

   Conflicts

   1. Publisher intends to explore a commercial venture based on some GShips work.

   What Would Change

   Direct route measurements, representative impact experiments, and independently converging material, plasma, and radiation models would change confidence and protection requirements.

   High Consequence

   1. radiation
   2. spacecraft-safety

8. claim · claim-15-07

   Shielding can create secondary radiation and conflict with mass, heat, access, and maintainability.

   Record fingerprint

   f84aea7b7f512277faa002ab6eb536d33e7e9441cbf54a5742f8a8043cdad286

   Minimum approvals

   2

   Required scope groups

   domain-method: clinical-health, dual-use-risk, nuclear-safety, radiation-health-physics, structures-safety; rights-public-interest: affected-public-rights

   High-consequence domains

   dual-use, medical, nuclear, radiation, spacecraft-safety, structural-safety

   Review state

   pending

   Published human decisions

   0

   Inspect the complete frozen review surface

   ID

   claim-15-07

   System Slug

   radiation-environment

   Kind

   unknown

   Statement Ref

   Field

   unknowns

   Index

   2

   Statement

   Shielding can create secondary radiation and conflict with mass, heat, access, and maintainability.

   Statement Fingerprint

   9d6b4ec2939a0c72349e25c3825863bd60e83e75f92dee93ee5676ed32234a36

   Assessment

   Status

   Editorial assessed (exact value: editorial-assessed)

   Basis

   modeled

   Readiness

   Major scale up (exact value: major-scale-up)

   Confidence

   supported

   Rationale

   Radiation transport establishes that shielding interactions can produce secondary particles and that performance depends on material and geometry. The cited structural and thermal practices also show that added layers, mass, inventory, access, inspection, heat paths, and repair interfaces must be assessed as a coupled system rather than as dose reduction alone.

   Citations

   1. Source ID

      src-hp-nasa-langley-radiation

      Locator

      Primary and secondary radiation environments, transport analysis, material composition, geometry, and systems-level shielding design.

      Relation

      Direct method (exact value: direct-method)

   2. Source ID

      src-hp-nasa-radiation-element

      Locator

      Radiation sources, biological risk uncertainty, experimental facilities, protection research, and risk-model limitations.

      Relation

      Direct observation (exact value: direct-observation)

   3. Source ID

      src-mp-nasa-thermal

      Locator

      Current passive and active heat transport, thermal interfaces, control, radiator geometry, and spacecraft-scale limitations.

      Relation

      Direct method (exact value: direct-method)

   4. Source ID

      src-hp-nasa-std-5019

      Locator

      Damage tolerance, fracture-critical classification, inspection, pressure structures, habitable volumes, rotating hardware, and lifecycle control.

      Relation

      Direct normative authority (exact value: direct-normative-authority)

   Context Source IDs

   1. core-15-1
   2. core-15-2
   3. core-15-3

   Editorial Provenance

   Status

   Substantive editorial review (exact value: substantive-editorial-review)

   Reviewers

   1. GShips Project editorial synthesis

   Conflicts

   1. The planned assurance venture may benefit from tools that model coupled shielding, thermal, structural, access, and maintenance trades; no material, thickness, reactor arrangement, supplier, or weapon application is endorsed.

   What Would Change

   Representative mixed-field tests and independently reproduced integrated models must quantify primary and secondary dose, mass, heat flow, pressure and structural loads, inspection access, inventory movement, aging, and repair. A configuration that reduces dose without unacceptable thermal, structural, access, or maintenance penalties would narrow the conflict; harmful secondaries or unrecoverable common-cause failures would strengthen it.

   High Consequence

   1. medical
   2. radiation
   3. nuclear
   4. structural-safety
   5. spacecraft-safety
   6. dual-use

9. claim · claim-15-08

   Radiation-tolerant electronics, materials qualification, and dosimetry improve aviation, medicine, nuclear systems, and emergency response.

   Record fingerprint

   71d9fccff296f1018b9847d9ae949b9e7bc58d6e08016f9ffb32215dd70bfc63

   Minimum approvals

   2

   Required scope groups

   domain-method: clinical-health, dual-use-risk, nuclear-safety, radiation-health-physics, structures-safety; rights-public-interest: affected-public-rights

   High-consequence domains

   critical-infrastructure, dual-use, medical, nuclear, radiation

   Review state

   pending

   Published human decisions

   0

   Inspect the complete frozen review surface

   ID

   claim-15-08

   System Slug

   radiation-environment

   Kind

   earth benefit

   Statement Ref

   Field

   earthBenefits

   Index

   0

   Statement

   Radiation-tolerant electronics, materials qualification, and dosimetry improve aviation, medicine, nuclear systems, and emergency response.

   Statement Fingerprint

   427efd71d95d81e8f696dcd13f8c8968de81cc96d83022df9a016fbe7641ab55

   Assessment

   Status

   Editorial assessed (exact value: editorial-assessed)

   Basis

   proposed

   Readiness

   Major scale up (exact value: major-scale-up)

   Confidence

   tentative

   Rationale

   Radiation-hardness assurance and dosimetry are already relevant in aerospace, medicine, radiation protection, and emergency response, and NASA identifies additional nuclear and aviation applications. The stronger claim that generation-ship work will improve every listed sector is a plausible transfer thesis, not a demonstrated cross-sector outcome.

   Citations

   1. Source ID

      src-mp-jsc-radiation-effects

      Locator

      Scope and assurance requirements for single-event effects, total ionizing dose, displacement damage, environment definition, part testing, and radiation-tolerant avionics design.

      Relation

      Direct method (exact value: direct-method)

   2. Source ID

      src-c1517-nist-portable-dosimetry

      Locator

      Abstract and applications: portable low-power ESR measurements using alanine and lithium formate from 2 Gy to 100 kGy for medical physics, radiation protection, emergency response, and environmental monitoring.

      Relation

      Direct demonstration (exact value: direct-demonstration)

   3. Source ID

      src-c1517-nasa-techport-radhard

      Locator

      Anticipated Benefits: high-altitude aircraft and UAVs, nuclear-plant support electronics, particle accelerators, and selected medical equipment are proposed radiation-hardness applications.

      Relation

      Context only (exact value: context-only)

   Context Source IDs

   1. core-15-1
   2. core-15-2
   3. core-15-3

   Editorial Provenance

   Status

   Substantive editorial review (exact value: substantive-editorial-review)

   Reviewers

   1. GShips Project editorial synthesis

   Conflicts

   1. A future assurance company could commercialize radiation evidence, component qualification, or dosimetry workflows; this record does not claim clinical efficacy, nuclear certification, aviation approval, emergency-response procurement, or affiliation with the cited institutions.

   What Would Change

   Independent deployments must show that a named space-derived method improves a defined aviation, medical, nuclear, or emergency-response outcome against the incumbent method, including calibration, false-negative, reliability, cost, training, and regulatory evidence. Failure to transfer across a sector would require splitting or narrowing this benefit claim.

   High Consequence

   1. medical
   2. radiation
   3. nuclear
   4. critical-infrastructure
   5. dual-use

10. claim · claim-15-09

    Multifunctional protective structures advance safer spacecraft and harsh-environment infrastructure.

    Record fingerprint

    475e097fb68e99bbad012390a75d4d3fc24a1ee820fc285b046679452f887c3d

    Minimum approvals

    2

    Required scope groups

    domain-method: dual-use-risk, radiation-health-physics, structures-safety; rights-public-interest: affected-public-rights

    High-consequence domains

    dual-use, materials, spacecraft-safety, structural-safety

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    claim-15-09

    System Slug

    radiation-environment

    Kind

    earth benefit

    Statement Ref

    Field

    earthBenefits

    Index

    1

    Statement

    Multifunctional protective structures advance safer spacecraft and harsh-environment infrastructure.

    Statement Fingerprint

    dac35e25ee0b1902516e87da6739abeeefa94c354f24676b696503cd7ff28111

    Assessment

    Status

    Editorial assessed (exact value: editorial-assessed)

    Basis

    proposed

    Readiness

    Early research (exact value: early-research)

    Confidence

    tentative

    Rationale

    Current spacecraft protection practice and NASA's logistics catalog support combining structural, thermal, impact, radiation, sensing, and repair functions in selected components. Safer spacecraft is a credible objective, but benefits to unspecified terrestrial harsh-environment infrastructure remain an extrapolation requiring separate qualification.

    Citations

    1. Source ID

       src-c1517-nasa-space-logistics-catalog

       Locator

       Radiation Protection entries: TRL 4 multifunctional structural radiation shields and TRL 5 advanced MMOD shields combining thermal, radiation, damage-location, and self-healing functions.

       Relation

       Direct observation (exact value: direct-observation)

    2. Source ID

       src-hp-nasa-mmod-handbook

       Locator

       Chapters 2–9: MMOD environment definition, risk assessment, shield configurations, ballistic-limit equations, testing, sensing, and operational response.

       Relation

       Direct method (exact value: direct-method)

    3. Source ID

       src-im-nasa-std-6016

       Locator

       Materials and processes selection, contamination prevention, configuration control, verification, acceptance, and lifecycle application for spacecraft hardware.

       Relation

       Context only (exact value: context-only)

    Context Source IDs

    1. core-15-1
    2. core-15-2
    3. core-15-3

    Editorial Provenance

    Status

    Substantive editorial review (exact value: substantive-editorial-review)

    Reviewers

    1. GShips Project editorial synthesis

    Conflicts

    1. The planned venture may benefit from multifunctional-structure assurance; no catalog entry, material system, supplier, terrestrial use case, or protection performance is endorsed as flight-ready.

    What Would Change

    Representative coupled-load tests must compare multifunctional and conventional structures for impact, radiation, heat, pressure, fatigue, fire, inspection, repair, aging, and graceful degradation. Verified safety and lifecycle gains in a named spacecraft and terrestrial harsh-environment application would strengthen the claim; hidden common-mode failures would weaken it.

    High Consequence

    1. materials
    2. structural-safety
    3. spacecraft-safety
    4. dual-use

11. claim · claim-15-10

    Validate representative spectra, impact regimes, secondary particles, inspection, repair, and lifetime biological risk before relying on a shield architecture.

    Record fingerprint

    737b78d5941d979332ea9bfd705f5d72f86d98e14ba7934d113ab8b1979f28c8

    Minimum approvals

    2

    Required scope groups

    domain-method: clinical-health, radiation-health-physics, structures-safety; rights-public-interest: affected-public-rights

    High-consequence domains

    medical, radiation, spacecraft-safety

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    claim-15-10

    System Slug

    radiation-environment

    Kind

    decision gate

    Statement Ref

    Field

    gate

    Statement

    Validate representative spectra, impact regimes, secondary particles, inspection, repair, and lifetime biological risk before relying on a shield architecture.

    Statement Fingerprint

    b97b52d012e6eb3f3a9d0f32f3419f6673fb203fb0190a9b908d569f3fdc2c78

    Assessment

    Status

    Editorial assessed (exact value: editorial-assessed)

    Basis

    normative

    Readiness

    Breakthrough dependent (exact value: breakthrough-dependent)

    Confidence

    supported

    Rationale

    This safety gate extends current impact, avionics, and crew-health assurance practice to the unvalidated spectra, speeds, lifetimes, repair cycles, and life stages of a multigenerational mission.

    Citations

    1. Source ID

       src-mp-nasa-hvit

       Locator

       MMOD test, design, risk, ballistic-limit, and damage-sensing methods.

       Relation

       Direct method (exact value: direct-method)

    2. Source ID

       src-mp-jsc-radiation-effects

       Locator

       Scope and radiation-hardness-assurance requirements for single-event, total-ionizing-dose, and displacement-damage effects.

       Relation

       Direct method (exact value: direct-method)

    3. Source ID

       src-mp-nasa-std-3001-v1

       Locator

       Current crew-health and radiation requirements and applicability boundary.

       Relation

       Direct method (exact value: direct-method)

    Context Source IDs

    1. core-15-1
    2. core-15-2
    3. core-15-3

    Editorial Provenance

    Status

    Substantive editorial review (exact value: substantive-editorial-review)

    Reviewers

    1. GShips Project editorial synthesis

    Conflicts

    1. Publisher intends to explore a commercial venture based on some GShips work.

    What Would Change

    A stronger independently reviewed assurance standard or representative evidence covering mixed fields, impacts, inspection, repair, electronics, materials, and every human life stage could replace or satisfy this gate.

    High Consequence

    1. medical
    2. radiation
    3. spacecraft-safety

12. claim-source · src-c1517-esa-electromagnetic-environment

    Electromagnetics and Space Environment↗ (opens external site in a new tab)

    Record fingerprint

    00fa295d1a682fdc6bd4d49614bad2c38cac829fb4398e56f0d5d6beac010053

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-c1517-esa-electromagnetic-environment

    Title

    Electromagnetics and Space Environment

    Authors

    1. European Space Agency

    Publisher

    European Space Agency

    Year

    2026

    URL

    https://www.esa.int/Enabling_Support/Space_Engineering_Technology/Electromagnetics_and_Space_Environment↗ (opens external site in a new tab)

    Kind

    Institutional space environment practice (exact value: institutional-space-environment-practice)

    Checked At

    2026-07-25

    Scope Note

    Current institutional description of plasma, charging, high-voltage, electrostatic-discharge, electromagnetic-interference, radiation, and materials effects on spacecraft.

13. claim-source · src-c1517-nasa-electrostatic-shield

    Meeting the Grand Challenge of Protecting Astronauts Health: Electrostatic Active Space Radiation Shielding for Deep Space Missions↗ (opens external site in a new tab)

    Record fingerprint

    2f1fc003144a6819bdd839151ebc0d925d200e034c42b00753d13c561bd86a07

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-c1517-nasa-electrostatic-shield

    Title

    Meeting the Grand Challenge of Protecting Astronauts Health: Electrostatic Active Space Radiation Shielding for Deep Space Missions

    Authors

    1. Ram K. Tripathi

    Publisher

    NASA Technical Reports Server

    Year

    2016

    URL

    https://ntrs.nasa.gov/citations/20160010094↗ (opens external site in a new tab)

    Kind

    Nasa niac concept and bench report (exact value: nasa-niac-concept-and-bench-report)

    Checked At

    2026-07-25

    Scope Note

    Electrostatic-shield concept work and small vacuum-chamber tests at up to 10 kV and 5 keV, explicitly far below the particle energies and scale of an operational deep-space shield.

14. claim-source · src-c1517-nasa-maarss

    Magnet Architectures and Active Radiation Shielding Study (MAARSS)↗ (opens external site in a new tab)

    Record fingerprint

    9e2b04f1c1a0f91805a6716f3d6b55e71396585f2b5c9dc31dce71be0308acd4

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-c1517-nasa-maarss

    Title

    Magnet Architectures and Active Radiation Shielding Study (MAARSS)

    Authors

    1. Shayne C. Westover
    2. Rainer Meinke
    3. Shaun Nerolich
    4. Scott Washburn
    5. Roberto Battison
    6. William Burger
    7. Dallas Kasaboski
    8. Francis Davies

    Publisher

    NASA Technical Reports Server

    Year

    2019

    URL

    https://ntrs.nasa.gov/citations/20190002579↗ (opens external site in a new tab)

    Kind

    Nasa niac technical report (exact value: nasa-niac-technical-report)

    Checked At

    2026-07-25

    Scope Note

    Concept study of high-temperature-superconducting magnetic shielding architectures, including magnetic forces, quench energy, thermal control, field compensation, spacecraft interaction, and unresolved integration work.

15. claim-source · src-c1517-nasa-space-logistics-catalog

    Space Logistics Technology Catalog↗ (opens external site in a new tab)

    Record fingerprint

    e94a9eeb399f14fdae6a45fbc19ab53d48e20783f376f5a3484447e60b3f4347

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-c1517-nasa-space-logistics-catalog

    Title

    Space Logistics Technology Catalog

    Authors

    1. National Aeronautics and Space Administration

    Publisher

    NASA Space Technology Mission Directorate

    Year

    2026

    URL

    https://www.nasa.gov/wp-content/uploads/2026/06/space-logistics-nasa-tech-catalog-final-20260610-v2-508complaint-signed.pdf↗ (opens external site in a new tab)

    Kind

    Institutional technology catalog (exact value: institutional-technology-catalog)

    Checked At

    2026-07-25

    Scope Note

    Capability and maturity snapshot for transport, sustainment, manipulation, transfer, mating, disposal, and protective logistics technologies; catalog entries and TRLs are not integrated-system validation.

16. claim-source · src-c1517-nasa-techport-radhard

    Radiation Mitigation Methods for Reprogrammable FPGA, Phase I↗ (opens external site in a new tab)

    Record fingerprint

    c91e3912e629b67e46e644cdc391841a54f9e841751f880920fccab380fd51a0

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-c1517-nasa-techport-radhard

    Title

    Radiation Mitigation Methods for Reprogrammable FPGA, Phase I

    Authors

    1. Vaidyanathan Nagarajan
    2. RNET Technologies, Inc.

    Publisher

    NASA TechPort

    Year

    2009

    URL

    https://techport.nasa.gov/projects/8263↗ (opens external site in a new tab)

    Kind

    Government technology project record (exact value: government-technology-project-record)

    Checked At

    2026-07-25

    Scope Note

    Completed Phase I SBIR record for radiation-mitigated reprogrammable FPGAs, proposing applications in spacecraft, high-altitude aircraft, nuclear facilities, particle accelerators, and selected medical equipment; anticipated benefits are not cross-sector deployment evidence.

17. claim-source · src-c1517-nist-portable-dosimetry

    Electron Spin Resonance Sensor for Portable and Adaptable Retrospective Dosimetry↗ (opens external site in a new tab)

    Record fingerprint

    65a78b6550c8ffe541ef1fb344a573503281018c8d92ca4509c2ce75a13759d8

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-c1517-nist-portable-dosimetry

    Title

    Electron Spin Resonance Sensor for Portable and Adaptable Retrospective Dosimetry

    Authors

    1. Pragya Shrestha
    2. Kin Cheung
    3. Robert Gougelet
    4. Stephen Moxim
    5. Ileana Pazos
    6. Jason Campbell

    Publisher

    National Institute of Standards and Technology

    Year

    2026

    URL

    https://www.nist.gov/publications/electron-spin-resonance-sensor-portable-and-adaptable-retrospective-dosimetry↗ (opens external site in a new tab)

    Kind

    Peer reviewed government metrology publication (exact value: peer-reviewed-government-metrology-publication)

    Checked At

    2026-07-25

    Scope Note

    Portable low-power electron-spin-resonance dosimetry demonstrated with alanine and lithium formate over a stated dose range, with applications in medical physics, radiation protection, emergency response, and environmental monitoring.

18. claim-source · src-hc-nasa-nscr-2020-operational

    NASA Space Cancer Risk Model: 2020 Operational Implementation↗ (opens external site in a new tab)

    Record fingerprint

    774ed68ce1673a755892ab30384621b507508d2617d353e13002d35a0de95da9

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-hc-nasa-nscr-2020-operational

    Title

    NASA Space Cancer Risk Model: 2020 Operational Implementation

    Authors

    1. L. J. Chappell
    2. C. M. Milder
    3. S. R. Elgart

    Publisher

    NASA Technical Reports Server

    Year

    2021

    URL

    https://ntrs.nasa.gov/citations/20210013314↗ (opens external site in a new tab)

    Kind

    Nasa peer committee reviewed risk model white paper (exact value: nasa-peer-committee-reviewed-risk-model-white-paper)

    Checked At

    2026-07-26

    Scope Note

    Operational REID and REIC modeling for occupational astronaut radiation exposure, using epidemiology, animal, cellular, radiation-quality, dose-rate, population-transfer, and model components. It is not a fetal, pediatric, public, hereditary, civil-population, or multigenerational risk model and does not define a biological no-effect threshold.

19. claim-source · src-hc-nasa-nscr-background-2025

    Updated Background Incidence, Mortality, and Survival Rates for the NASA Cancer Risk Model: 2018, 2019, 2021 Combined Data↗ (opens external site in a new tab)

    Record fingerprint

    88249464f2e5a526def0a4c2fe4c247b47dc84a86c2fb783bb788f8d7db6f7b4

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-hc-nasa-nscr-background-2025

    Title

    Updated Background Incidence, Mortality, and Survival Rates for the NASA Cancer Risk Model: 2018, 2019, 2021 Combined Data

    Authors

    1. Shirin Rahmanian
    2. Tony C. Slaba
    3. Charles Werneth

    Publisher

    NASA Technical Reports Server

    Year

    2025

    URL

    https://ntrs.nasa.gov/citations/20250006549↗ (opens external site in a new tab)

    Kind

    Nasa technical publication (exact value: nasa-technical-publication)

    Checked At

    2026-07-26

    Scope Note

    Updates U.S. male and female average and never-smoker background incidence, mortality, and survival inputs and compares nominal 365-day astronaut cancer-risk calculations at ages 35 and 55. It illustrates model maintenance and population assumptions rather than a public, developmental, hereditary, or century-scale safety certificate.

20. claim-source · src-hc-nasem-space-radiation

    Space Radiation and Astronaut Health: Managing and Communicating Cancer Risks↗ (opens external site in a new tab)

    Record fingerprint

    a979424d622868f61a1b64e80b15669c648b6b15f7e7a460e065bd11ec3f95d1

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-hc-nasem-space-radiation

    Title

    Space Radiation and Astronaut Health: Managing and Communicating Cancer Risks

    Authors

    1. National Academies of Sciences, Engineering, and Medicine

    Publisher

    National Academies Press

    Year

    2021

    URL

    https://nap.nationalacademies.org/catalog/26155/space-radiation-and-astronaut-health-managing-and-communicating-cancer-risks↗ (opens external site in a new tab)

    Kind

    Consensus study (exact value: consensus-study)

    Checked At

    2026-07-25

    Scope Note

    Astronaut cancer-risk modeling, uncertainty, ethics, and communication in current human-spaceflight context.

21. claim-source · src-im-nasa-std-6016

    Standard Materials and Processes Requirements for Spacecraft↗ (opens external site in a new tab)

    Record fingerprint

    127b1e28bd4a6ecff1994c4088462dd698e3da58f381b4b53f81385b99a8d5ad

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-im-nasa-std-6016

    Title

    Standard Materials and Processes Requirements for Spacecraft

    Authors

    1. National Aeronautics and Space Administration

    Publisher

    NASA

    Year

    2023

    URL

    https://standards.nasa.gov/standard/NASA/NASA-STD-6016↗ (opens external site in a new tab)

    Kind

    Active spacecraft materials processes standard (exact value: active-spacecraft-materials-processes-standard)

    Checked At

    2026-07-25

    Scope Note

    Materials and processes selection, control, verification, contamination prevention, documentation, and lifecycle application for spacecraft hardware.

22. claim-source · src-mp-drobny-implantation

    Damage to Relativistic Interstellar Spacecraft by ISM Impact Gas Accumulation↗ (opens external site in a new tab)

    Record fingerprint

    9f87e092141975b185e5e79ff2843204f911bfbc762ac53a60e756dfe2d1c42d

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-mp-drobny-implantation

    Title

    Damage to Relativistic Interstellar Spacecraft by ISM Impact Gas Accumulation

    Authors

    1. Jason Drobny
    2. James T. Early
    3. Richard A. London
    4. David P. Grote

    Publisher

    The Astrophysical Journal

    Year

    2021

    URL

    https://doi.org/10.3847/1538-4357/abd4ec↗ (opens external site in a new tab)

    Kind

    Peer reviewed model (exact value: peer-reviewed-model)

    Checked At

    2026-07-25

    Scope Note

    Conditional gas implantation, accumulation, blistering, and exfoliation mechanisms.

23. claim-source · src-mp-jsc-radiation-effects

    JSC Avionics Ionizing Radiation Effects Standard↗ (opens external site in a new tab)

    Record fingerprint

    df71757ea4b16231290ce3eef3d8052f7007ce6704c7bd4df5f47a41329457be

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-mp-jsc-radiation-effects

    Title

    JSC Avionics Ionizing Radiation Effects Standard

    Authors

    1. NASA Johnson Space Center

    Publisher

    NASA

    Year

    2021

    URL

    https://ntrs.nasa.gov/citations/20230013399↗ (opens external site in a new tab)

    Kind

    Institutional avionics standard (exact value: institutional-avionics-standard)

    Checked At

    2026-07-25

    Scope Note

    Radiation hardness assurance for single-event, total-ionizing-dose, and displacement-damage effects.

24. claim-source · src-mp-nasa-hvit

    Hypervelocity Impact Technology Reference Documents↗ (opens external site in a new tab)

    Record fingerprint

    4a027c81adb7f7762463767cf234e950f12bfe201613c3f3f9e1dca903beb19d

    Minimum approvals

    1

    Required scope groups

    bounded-competence: information-science

    High-consequence domains

    None under the named two-person rule

    Review state

    pending

    Published human decisions

    0

    Inspect the complete frozen review surface

    ID

    src-mp-nasa-hvit

    Title

    Hypervelocity Impact Technology Reference Documents

    Authors

    1. NASA Johnson Space Center

    Publisher

    NASA

    Year

    2026

    URL

    https://hvit.jsc.nasa.gov/reference-documents/↗ (opens external site in a new tab)

    Kind

    Institutional test and design library (exact value: institutional-test-and-design-library)

    Checked At

    2026-07-25

    Scope Note

    MMOD shielding, ballistic-limit methods, impact tests, and qualified regime boundaries.

Frozen source snapshots

Source inclusion does not determine the disposition. Reviewers must inspect the cited locator and relation, note inaccessible material, and identify stronger or conflicting evidence.

Offline packet and worksheet

Downloads contain no reviewer contact details. Downloading does not create an account or store a review response in the GShips application. Ordinary provider request or analytics logs may record the download request. Work locally: the public site has no review account, upload endpoint, or decision-submission API.

Do not paste a completed decision, identity documents, private contact data, confidential conflict evidence, medical information, controlled material, or exploit details into a public form. Until a separately authorized private handoff exists, retain the completed worksheet locally.

Packet schema · JSON · Decision-bundle schema · JSON

Validate offline

Use Node.js 22.13.0 or later. Keep the packet, worksheet, completed decision, and all six kit files together in a local directory.

1. Download the six kit files below. Complete a copy of the JSON template offline and preserve its templateFingerprint.
2. Finalize a separate output file.

   node finalize-review-decision.mjs \
     --input DRAFT.json \
     --output COMPLETED.json

   This marks the copy complete and calculates an unkeyed canonical bundle fingerprint. A fingerprint detects changes; it is not a reviewer signature.

3. Validate the packet and completed copy.

   node check-review-decisions.mjs \
     --packet PACKET.json \
     --decision COMPLETED.json

   Add another --decision for each independent reviewer.

4. Interpret the result narrowly. A zero exit proves structural consistency only. Neither command appoints or qualifies a reviewer, establishes independence, accepts a decision, or authorizes publication.

• Bundle finalizer
• Validator command
• Decision policy module
• Fingerprint and packet-integrity module
• Review-domain policy module
• Canonical synthesis and interactive review specs