{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-07T14:37:42Z",
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      "fields": [
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  },
  "metaModel": {
    "id": "THING-Q11547",
    "registryId": "vr.tr.cosmic-radiation",
    "name": "cosmic radiation",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "ACT.ACT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q11547/",
  "model": {
    "registry_id": "vr.tr.cosmic-radiation",
    "name": "cosmic radiation",
    "purpose": "Enable an AI agent to recognise a cosmic radiation field, assess its relevance to an exposed target, and determine which monitoring, modelling or exposure-control actions are justified by the available evidence.",
    "definition": "Ionizing radiation of extraterrestrial origin, comprising primary high-energy charged particles (mainly protons and heavier nuclei from galactic and solar sources) and the secondary hadronic and electromagnetic cascade they produce in atmospheres, shielding, or tissue.",
    "scope_statement": "This model owns the identity, composition, distribution, variability and propagation of radiation attributed to energetic particles of extraterrestrial origin, including secondary radiation linked to their interactions with matter; use of the term for astronomical electromagnetic radiation requires an explicit boundary decision.",
    "in_scope": [
      "Attribution of a radiation field to galactic, solar or other evidenced extraterrestrial particle populations",
      "Primary particle composition, energy spectrum, directionality and spatial distribution",
      "Secondary radiation produced in atmospheres, shielding or other material along an identified propagation path",
      "Changes in the field across observation periods, locations and environmental conditions",
      "Target-specific exposure estimates and evidence supporting monitoring or mitigation decisions"
    ],
    "out_of_scope": [
      "Astronomical electromagnetic backgrounds and source emissions without an established connection to the modelled particle radiation",
      "Terrestrial radioactive sources and artificial radiation generators",
      "The complete dynamics of solar eruptions, stellar systems or other source objects",
      "Detector design, maintenance and calibration procedures as independently managed instruments",
      "Clinical outcomes, biological response models and electronic component reliability models",
      "Vehicle, habitat or facility engineering beyond its effect on the modelled radiation field"
    ],
    "distinguishing_features": [
      "Recognition requires evidence or an explicit hypothesis of extraterrestrial particle origin; a detector count alone does not distinguish cosmic radiation from terrestrial or instrumental background.",
      "A radiation component must be identified as an incident primary population or as a secondary linked to an interaction path, rather than grouping every detected species under an unspecified cosmic origin.",
      "Solar energetic particle attribution must be distinguished from galactic cosmic ray attribution using supporting observations, with unresolved mixtures retained as uncertain.",
      "A photon measurement belongs within this scope only when linked to the modelled particle population or its interactions; an astronomical direction of arrival alone is insufficient.",
      "A target dose or device upset is treated as a response to radiation, not as an interchangeable description of the incident particle field."
    ],
    "characteristics": [
      {
        "name": "Population attribution",
        "kind": "category",
        "unit_or_values": "Galactic; solar energetic particles; other evidenced extraterrestrial origin; mixed; unresolved",
        "why_it_matters": "Determines which source interpretation and variability assumptions an agent may use."
      },
      {
        "name": "Particle composition",
        "kind": "category",
        "unit_or_values": "Identified species, nuclear charge or isotope where resolved; unresolved component",
        "why_it_matters": "Separates radiation components with different transport and target-response behaviour."
      },
      {
        "name": "Primary or secondary relationship",
        "kind": "relation",
        "unit_or_values": "Incident population, parent population, interaction medium and resulting component",
        "why_it_matters": "Preserves the connection between extraterrestrial origin and radiation measured after interactions."
      },
      {
        "name": "Energy spectrum",
        "kind": "measurement",
        "unit_or_values": "Energy bins in eV or declared multiples; explicitly distinguish energy per particle from energy per nucleon",
        "why_it_matters": "Supports comparison and transport calculations without conflating incompatible energy conventions."
      },
      {
        "name": "Differential directional intensity",
        "kind": "measurement",
        "unit_or_values": "Particles per square metre per second per steradian per declared energy interval, with area convention stated",
        "why_it_matters": "Describes field strength while preserving energy and angular dependence."
      },
      {
        "name": "Observation position and interval",
        "kind": "relation",
        "unit_or_values": "Coordinate frame, position or trajectory, start time, end time and time standard",
        "why_it_matters": "Prevents observations from different environments or periods being treated as the same field."
      },
      {
        "name": "Angular distribution",
        "kind": "measurement",
        "unit_or_values": "Direction bins or anisotropy measure with reference frame and acceptance stated",
        "why_it_matters": "Supports interpretation of directional exposure and instrument coverage."
      },
      {
        "name": "Intervening material",
        "kind": "relation",
        "unit_or_values": "Material composition, geometry and traversed areal density in g/cm²",
        "why_it_matters": "Connects an incident field to attenuation, transformation and secondary production."
      },
      {
        "name": "Temporal field state",
        "kind": "state",
        "unit_or_values": "Reference background; elevated; declining; variable; indeterminate, relative to a stated baseline",
        "why_it_matters": "Supports monitoring decisions without assuming a universal definition of an event."
      },
      {
        "name": "Target response estimate",
        "kind": "measurement",
        "unit_or_values": "Declared quantity such as absorbed dose in Gy, dose equivalent in Sv or device-event rate; target and method required",
        "why_it_matters": "Connects radiation conditions to an applicable decision while keeping distinct response quantities separate."
      }
    ],
    "affordances": [
      "Classify an observed field by likely cosmic particle population while retaining competing attributions.",
      "Compare particle spectra and intensities across locations or periods after checking measurement conventions.",
      "Trace secondary components through an evidenced or modelled interaction path.",
      "Estimate exposure for a specified person, material or device using an applicable transport and response model.",
      "Evaluate changes to shielding, route, orientation or timing against a defined exposure objective.",
      "Trigger additional observation or review when field changes exceed a declared criterion or evidence becomes insufficient."
    ],
    "agent_conduct": {
      "may": [
        "Explain cosmic radiation and its sources, citing scientific sources.",
        "Report dose estimates for flights or missions from recognised calculation services or measurements."
      ],
      "must_not": [
        "Understate dose for aircrew, astronauts or pregnant workers when it matters to their protection.",
        "Exaggerate risks to ordinary passengers to cause fear.",
        "Present cosmic radiation as a cause of a specific person's illness without medical evidence."
      ],
      "requires_human": [
        "Planning missions or flight rosters around radiation exposure limits."
      ]
    },
    "ethics": {
      "considerations": [
        "Aircrew and astronauts are occupationally exposed and have a right to be informed.",
        "Unborn children are more sensitive to radiation, which matters for pregnant workers."
      ],
      "affected_parties": [
        "Aircrew",
        "Astronauts",
        "Frequent flyers"
      ]
    },
    "owners": {
      "steward": "Nobody: a natural phenomenon; employers answer for occupational exposure of their crews.",
      "master_systems": [
        "Aircrew dose records kept under radiation protection rules"
      ]
    },
    "failure_modes_and_hazards": [
      "Raised exposure on high-altitude, polar and space flights increases long-term health risk.",
      "Particles can cause errors in electronics on aircraft and satellites."
    ],
    "standards_and_regulation": [
      "Council Directive 2013/59/Euratom, European Union, which covers exposure of aircrew to cosmic radiation."
    ],
    "what_it_is_for": [
      "Cosmic radiation forms part of the natural radiation environment at Earth's surface and becomes more significant at aviation altitudes and in space.",
      "It is studied using particle detectors to investigate energetic astrophysical processes and atmospheric particle cascades.",
      "Its effects are assessed when evaluating exposure of aircrew and astronauts or reliability of electronics."
    ],
    "facets_not_applicable": {
      "recognition": "Cosmic radiation cannot be identified by unaided visual perception because its presence and origin require detector measurements and interpretation."
    }
  },
  "sources": [
    {
      "id": "icrp-132",
      "title": "Radiological Protection from Cosmic Radiation in Aviation (ICRP Publication 132), International Commission on Radiological Protection",
      "url": "https://www.icrp.org/publication.asp?id=ICRP%20Publication%20132",
      "what_it_supports": "Definition of the aviation cosmic field, aircrew dose practice, latitude/altitude/solar-cycle dependence, and ICRP recommendations",
      "url_status": "live"
    },
    {
      "id": "iso-15390",
      "title": "ISO 15390:2004 Space environment (natural and artificial) - Galactic cosmic rays, International Organization for Standardization",
      "url": "",
      "what_it_supports": "GCR as a named space-environment quantity, particle composition, and the standard model used in spacecraft design"
    },
    {
      "id": "unscear-2008-b",
      "title": "UNSCEAR 2008 Report, Volume I, Annex B: Exposures of the public and workers from various sources of radiation, United Nations Scientific Committee on the Effects of Atomic Radiation",
      "url": "",
      "what_it_supports": "Sea-level and aviation dose rates, public exposure from cosmic radiation, and occupational aircrew doses"
    },
    {
      "id": "icru-84",
      "title": "ICRU Report 84: Reference Data for the Validation of Doses from Cosmic-Radiation Exposure of Aircraft Crew, International Commission on Radiation Units and Measurements",
      "url": "",
      "what_it_supports": "Quantities and reference values used to measure and calculate aircraft-crew cosmic-radiation dose"
    },
    {
      "id": "wikidata",
      "title": "Wikidata item Q11547: cosmic radiation",
      "url": "https://www.wikidata.org/wiki/Q11547",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Cosmic ray",
      "url": "https://en.wikipedia.org/wiki/Cosmic_ray",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "cosmic-origin-and-boundaries",
        "name": "Cosmic origin and boundaries",
        "description": "Establishes what radiation population is being represented and why it belongs to this registered thing.",
        "rationale": "An agent must distinguish cosmic particle radiation from unrelated radiation and avoid treating source attribution as an observation.",
        "layers": [
          {
            "id": "source-population",
            "name": "Source population",
            "description": "Captures the evidence and uncertainty behind extraterrestrial origin and population assignment.",
            "findings": [
              {
                "id": "population-attribution",
                "name": "Population attribution",
                "description": "Records the proposed population and the observations supporting or challenging that interpretation.",
                "questions": [
                  {
                    "text": "Which observations support galactic, solar or another extraterrestrial particle origin for this field?",
                    "kind": "provenance",
                    "id": "population-attribution-q01"
                  },
                  {
                    "text": "Which terrestrial, instrumental or alternative extraterrestrial explanations remain unresolved?",
                    "kind": "boundary",
                    "id": "population-attribution-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "radiation-lineage",
            "name": "Radiation lineage",
            "description": "Separates incident particles from secondary radiation and neighbouring radiation concepts.",
            "findings": [
              {
                "id": "primary-secondary-membership",
                "name": "Primary and secondary membership",
                "description": "Identifies each component's role relative to a declared interaction boundary.",
                "questions": [
                  {
                    "text": "At which boundary is this component called primary, and which components are treated as secondary?",
                    "kind": "definition",
                    "id": "primary-secondary-membership-q01"
                  },
                  {
                    "text": "What observation or transport calculation links each included secondary component to the incident cosmic particle population?",
                    "kind": "provenance",
                    "id": "primary-secondary-membership-q02"
                  },
                  {
                    "text": "Are photons included because of a particle-interaction lineage, or does their inclusion require a broader definition of cosmic radiation?",
                    "kind": "boundary",
                    "id": "primary-secondary-membership-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "particle-field-description",
        "name": "Particle field description",
        "description": "Describes the particle population in quantities suitable for recognition, comparison and calculation.",
        "rationale": "A single radiation level cannot preserve the composition, energy and direction information needed to interpret a cosmic radiation field.",
        "layers": [
          {
            "id": "composition-and-energy",
            "name": "Composition and energy",
            "description": "Identifies resolved particle components and their energy distributions.",
            "findings": [
              {
                "id": "species-resolved-spectrum",
                "name": "Species-resolved spectrum",
                "description": "Records what particle and energy distinctions the evidence can actually support.",
                "questions": [
                  {
                    "text": "Which particle species or nuclear groups are resolved, and which are combined or unidentified?",
                    "kind": "measurement",
                    "id": "species-resolved-spectrum-q01"
                  },
                  {
                    "text": "What energy range and binning are supported, and is energy expressed per particle or per nucleon?",
                    "kind": "measurement",
                    "id": "species-resolved-spectrum-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "intensity-and-direction",
            "name": "Intensity and direction",
            "description": "Defines field magnitude and angular coverage without confusing instrument output with a physical field quantity.",
            "findings": [
              {
                "id": "normalised-field-quantity",
                "name": "Normalised field quantity",
                "description": "Makes the reported intensity, flux or fluence interpretable and comparable.",
                "questions": [
                  {
                    "text": "Is the reported value a count rate, directional intensity, integrated flux or fluence, and what area, time, energy and solid-angle conventions apply?",
                    "kind": "definition",
                    "id": "normalised-field-quantity-q01"
                  },
                  {
                    "text": "Which directions were observed, and what evidence supports extrapolation into unobserved directions?",
                    "kind": "measurement",
                    "id": "normalised-field-quantity-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "environment-and-transport",
        "name": "Environment and transport",
        "description": "Connects the field at a stated location to magnetic conditions, atmosphere and intervening materials.",
        "rationale": "An agent cannot transfer a cosmic radiation measurement between environments without accounting for the path and transformations involved.",
        "layers": [
          {
            "id": "location-and-access",
            "name": "Location and access",
            "description": "Locates the radiation field and identifies environmental assumptions affecting particle access.",
            "findings": [
              {
                "id": "environmental-reference",
                "name": "Environmental reference",
                "description": "Anchors observations or predictions to a position, trajectory and relevant field conditions.",
                "questions": [
                  {
                    "text": "Where and when does this field description apply, including altitude or atmospheric depth where relevant?",
                    "kind": "measurement",
                    "id": "environmental-reference-q01"
                  },
                  {
                    "text": "Which magnetic-access or modulation assumptions were used, and what evidence establishes their applicability here?",
                    "kind": "provenance",
                    "id": "environmental-reference-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "material-interactions",
            "name": "Material interactions",
            "description": "Represents changes between an incident field and a field behind atmosphere or shielding.",
            "findings": [
              {
                "id": "transport-and-secondary-production",
                "name": "Transport and secondary production",
                "description": "Records the material path and evidence used to estimate transmitted and newly produced components.",
                "questions": [
                  {
                    "text": "What material composition, geometry and traversed areal density separate the reference field from the target?",
                    "kind": "measurement",
                    "id": "transport-and-secondary-production-q01"
                  },
                  {
                    "text": "Which transport method accounts for transmitted particles and secondary production, and where has it been validated?",
                    "kind": "provenance",
                    "id": "transport-and-secondary-production-q02"
                  },
                  {
                    "text": "Does a proposed shielding change improve the selected target-response quantity when secondary components are included?",
                    "kind": "action",
                    "id": "transport-and-secondary-production-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "observation-and-field-state",
        "name": "Observation and field state",
        "description": "Establishes how confidently a field is known and whether its current behaviour differs from a relevant reference.",
        "rationale": "Cosmic radiation decisions require an agent to separate physical variation from detector limitations and modelling assumptions.",
        "layers": [
          {
            "id": "measurement-support",
            "name": "Measurement support",
            "description": "Links field estimates to instrument response, corrections and uncertainty.",
            "findings": [
              {
                "id": "counts-to-field-evidence",
                "name": "Counts-to-field evidence",
                "description": "Documents how observations support the reported particle field.",
                "questions": [
                  {
                    "text": "Which detector response, acceptance, background subtraction and dead-time corrections connect recorded counts to the reported field?",
                    "kind": "provenance",
                    "id": "counts-to-field-evidence-q01"
                  },
                  {
                    "text": "Which uncertainty, detection limit, saturation condition or unresolved particle discrimination limits interpretation?",
                    "kind": "measurement",
                    "id": "counts-to-field-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "temporal-interpretation",
            "name": "Temporal interpretation",
            "description": "Defines reference conditions, departures and the period for which a state assessment remains applicable.",
            "findings": [
              {
                "id": "background-and-event-state",
                "name": "Background and event state",
                "description": "Records changes against a comparable baseline without assigning a source from timing alone.",
                "questions": [
                  {
                    "text": "What baseline, averaging interval and energy range define an elevated or changing field at this location?",
                    "kind": "definition",
                    "id": "background-and-event-state-q01"
                  },
                  {
                    "text": "Could the apparent change arise from trajectory, detector configuration or data gaps rather than a changing particle population?",
                    "kind": "boundary",
                    "id": "background-and-event-state-q02"
                  },
                  {
                    "text": "What new observation or elapsed interval requires the field-state assessment to be refreshed?",
                    "kind": "action",
                    "id": "background-and-event-state-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "target-exposure-and-decisions",
        "name": "Target exposure and decisions",
        "description": "Connects a characterised field to a specified exposed target and a justified operational response.",
        "rationale": "The same field description can support different decisions for people, instruments and materials; the target and response model must be explicit.",
        "layers": [
          {
            "id": "exposure-translation",
            "name": "Exposure translation",
            "description": "Determines the response quantity relevant to the target and the evidence supporting its calculation.",
            "findings": [
              {
                "id": "target-specific-response",
                "name": "Target-specific response",
                "description": "Keeps incident radiation, accumulated exposure and predicted consequences distinct but connected.",
                "questions": [
                  {
                    "text": "Which target, exposure duration and response quantity are being assessed?",
                    "kind": "definition",
                    "id": "target-specific-response-q01"
                  },
                  {
                    "text": "Which conversion coefficients or response model translate the particle field into that quantity, and do they cover the observed species and energies?",
                    "kind": "provenance",
                    "id": "target-specific-response-q02"
                  },
                  {
                    "text": "How do field and transport uncertainties affect the target-response estimate?",
                    "kind": "measurement",
                    "id": "target-specific-response-q03"
                  }
                ]
              }
            ]
          },
          {
            "id": "operational-response",
            "name": "Operational response",
            "description": "Identifies available interventions and the criteria for selecting or revisiting them.",
            "findings": [
              {
                "id": "exposure-control-choice",
                "name": "Exposure-control choice",
                "description": "Records the evidence connecting an operational change to a target-specific objective.",
                "questions": [
                  {
                    "text": "Which applicable criterion justifies continued operation, additional monitoring or an exposure-reduction action?",
                    "kind": "action",
                    "id": "exposure-control-choice-q01"
                  },
                  {
                    "text": "Which feasible change in shielding, location, route, orientation or timing is predicted to improve the selected response quantity?",
                    "kind": "action",
                    "id": "exposure-control-choice-q02"
                  },
                  {
                    "text": "What follow-up measurement would confirm that the chosen action achieved its intended effect?",
                    "kind": "measurement",
                    "id": "exposure-control-choice-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "evidence-and-external-alignment",
        "name": "Evidence and external alignment",
        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
        "layers": [
          {
            "id": "reported-evidence",
            "name": "Reported evidence",
            "description": "Findings from the breadth pass, kept separate from the structural claims.",
            "findings": [
              {
                "id": "evidence-kinds",
                "name": "Kinds and varieties",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "Galactic cosmic rays (GCR): a near-isotropic, high-energy nuclear flux from outside the solar system, solar-cycle modulated",
                  "Solar energetic particles (SEP) / solar particle events: episodic, mainly proton bursts from flares and coronal mass ejections",
                  "Anomalous cosmic rays (ACR): interstellar pickup ions accelerated at the heliospheric termination shock",
                  "Atmospheric secondary cosmic radiation: the muon, neutron, electron, photon and pion field at aircraft and ground altitudes",
                  "Ultra-high-energy cosmic rays (UHECR): the observational class above about 10^18 eV",
                  "Albedo secondaries: upward-directed particles from atmosphere or planetary surface, often budgeted with the cosmic field in spacecraft"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of cosmic radiation this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-identifiers",
                "name": "Identifiers and schemes",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  {
                    "scheme": "Wikidata",
                    "value_or_pattern": "Q186116",
                    "note": "Item for cosmic ray; cosmic radiation as an exposure field is treated as the same phenomenon in most catalogues"
                  },
                  {
                    "scheme": "MeSH",
                    "value_or_pattern": "D003383",
                    "note": "Heading Cosmic Radiation"
                  },
                  {
                    "scheme": "ISO standard designation",
                    "value_or_pattern": "ISO 15390",
                    "note": "Names the galactic-cosmic-ray environment used in space engineering"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of cosmic radiation this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-standards-and-regulation",
                "name": "Standards and regulation",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "ICRP Publication 132 (ICRP) - radiological protection from cosmic radiation in aviation",
                  "ICRP Publication 123 (ICRP) - assessment of radiation exposure of astronauts in space",
                  "Council Directive 2013/59/Euratom, Article 35 (EU) - assessment of cosmic-radiation exposure of aircraft crew",
                  "ISO 15390:2004 (ISO) - galactic cosmic ray environment model",
                  "IEC 62396 series (IEC) - atmospheric radiation effects on avionics",
                  "ECSS-E-ST-10-04 (ESA/ECSS) - space-environment standard including cosmic rays",
                  "NASA spaceflight human-system standard NASA-STD-3001 (NASA) - crew ionizing-radiation limits",
                  "FAA Advisory Circular 120-61B (FAA) - in-flight radiation exposure guidance for US operators",
                  "NCRP Reports 132 and 153 (NCRP) - radiation protection for LEO and beyond-LEO missions"
                ],
                "questions": [
                  {
                    "id": "evidence-standards-and-regulation-q01",
                    "text": "Which of these standards and regulation hold for the sense of cosmic radiation this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-real-world-use",
                "name": "Real-world use",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "Occupational exposure of airline crew and some frequent flyers, assessed with route-dose codes (e.g. EPCARD, CARI, SIEVERT) rather than worn dosimeters on every flight",
                  "Design driver for spacecraft shielding, storm shelters, and EVA planning against GCR and SEP",
                  "Single-event-effect qualification of aircraft and satellite electronics against atmospheric and space cosmic-ray secondaries",
                  "Background term in low-level radiation measurements, muon tomography, and underground physics (muon flux after overburden)",
                  "Public natural-background component in national dose inventories, rising with altitude and geomagnetic latitude"
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of cosmic radiation this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-measurements",
                "name": "Typical measurements",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  {
                    "quantity": "Ambient dose equivalent rate H*(10) at sea level",
                    "typical_range": "0.03-0.06",
                    "unit": "µSv/h"
                  },
                  {
                    "quantity": "Ambient dose equivalent rate at civil-aviation cruise (10-12 km)",
                    "typical_range": "2-10",
                    "unit": "µSv/h"
                  },
                  {
                    "quantity": "Annual effective dose, typical aircrew",
                    "typical_range": "1-6",
                    "unit": "mSv/a"
                  },
                  {
                    "quantity": "Public annual effective dose from cosmic radiation at sea level",
                    "typical_range": "0.3-0.4",
                    "unit": "mSv/a"
                  },
                  {
                    "quantity": "Integral GCR flux (E ≳ 100 MeV, 1 AU, solar minimum, outside magnetosphere)",
                    "typical_range": "about 4",
                    "unit": "cm⁻² s⁻¹"
                  },
                  {
                    "quantity": "Primary particle energy (GCR)",
                    "typical_range": "10^8-10^20",
                    "unit": "eV"
                  },
                  {
                    "quantity": "Radiation weighting / quality factor of the field",
                    "typical_range": "1 (muons, photons) to ~20 (neutrons, HZE ions)",
                    "unit": "dimensionless"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of cosmic radiation this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-failure-modes-and-hazards",
                "name": "Failure modes and hazards",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "Acute radiation syndrome and mission abort risk to inadequately sheltered crews in a rare, intense solar particle event",
                  "Stochastic cancer risk and, for deep-space crews, tissue and central-nervous-system concerns from chronic GCR (high-Z high-energy ions)",
                  "Single-event upset, latch-up and burnout in avionics, satellites and ground high-reliability electronics",
                  "Underestimated aircrew dose on polar, high-altitude or solar-minimum routes if a code or geomagnetic model is wrong",
                  "False attribution of aircraft or cabin readings to onboard sources when the cosmic field is the actual driver"
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of cosmic radiation this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-regional-variation",
                "name": "Regional variation",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  "Geomagnetic cutoff: polar routes receive a substantially higher dose than equatorial routes at the same altitude",
                  "Solar-cycle modulation: GCR dose is higher at solar minimum; SEP risk is higher near solar maximum",
                  "National practice: EU member states must arrange aircrew cosmic-dose assessment under Euratom; US practice is advisory (FAA) rather than the same statutory monitoring",
                  "Altitude of residence: high cities (e.g. Andes, Tibetan Plateau) have a larger public cosmic component than sea-level populations",
                  "South Atlantic Anomaly is often discussed with space radiation but is trapped-belt, not cosmic, and is geographically specific"
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of cosmic radiation this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-neighbours",
                "name": "Neighbouring kinds and how to tell them apart",
                "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                "evidence": [
                  {
                    "name": "Trapped (Van Allen) radiation",
                    "difference": "Magnetically confined electrons and protons in the belts, including the South Atlantic Anomaly; separated from cosmic radiation by energy spectrum, pitch-angle distribution, and confinement to geomagnetic L-shells"
                  },
                  {
                    "name": "Solar wind",
                    "difference": "Bulk plasma at ~keV energies that defines the heliosphere; cosmic radiation is the GeV-EeV minority population. Separate by energy threshold and isotropy (GCR) versus flow (wind)"
                  },
                  {
                    "name": "Cosmic microwave background",
                    "difference": "A 2.7 K photon field, not an ionizing particle radiation field; no dose-rate contribution in radiation-protection inventories"
                  },
                  {
                    "name": "Terrestrial natural radiation (radon, primordial radionuclides, terrestrial gamma)",
                    "difference": "Originates in crust and indoor air; cosmic dose rises with altitude and latitude and cannot be reduced by radon mitigation"
                  },
                  {
                    "name": "Anthropogenic ionizing radiation (medical, industrial, fallout)",
                    "difference": "Has identifiable sources, nuclides and time signatures; cosmic radiation is a continuous, particle-cascade field with a characteristic muon/neutron mix at depth"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of cosmic radiation this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Does the registry intend cosmic radiation to mean cosmic particle radiation and its secondaries, or also astronomical electromagnetic radiation?",
    "Should trapped extraterrestrial particle populations be owned here or represented by a neighbouring radiation-belt model?",
    "Which existing Vercy world models already own source events, radiation fields or exposure assessment, and should this entry link to one of them?",
    "Which authoritative references and validated datasets should establish the supported particle populations, energy ranges and transport environments?",
    "Which target-specific decision criteria and uncertainty requirements must be researched before this draft can support operational actions?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 18,
    "questions": 33
  }
}
