{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T06:25:11Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 1,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T16:30:00Z",
      "ingestedAt": "2026-10-05T13:19:28+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:59+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q4202",
    "registryId": "vr.tr.neutron-star",
    "name": "neutron star",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.SPC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q4202/",
  "model": {
    "registry_id": "vr.tr.neutron-star",
    "name": "neutron star",
    "purpose": "Let an agent describe neutron stars by type, mass, radius, magnetic field and observations, separating established facts from open questions.",
    "definition": "An extremely dense compact remnant of a massive star after a supernova, composed mostly of neutrons, about 20 km across with a mass around 1.4 solar masses; pulsars and magnetars are types.",
    "what_it_is_for": "Neutron stars test physics under extreme conditions and are sources of gravitational waves.",
    "affordances": [
      "observe them as pulsars and X-ray sources",
      "measure masses and radii",
      "detect mergers by gravitational waves",
      "study the equation of state"
    ],
    "distinguishing_features": [
      "Compact remnant of neutrons",
      "Extremely dense",
      "Many are pulsars",
      "Interior physics still uncertain"
    ],
    "appearance": "Mostly invisible; seen as pulsing radio or X-ray sources.",
    "visual_identification": [
      "Pulsed radio or X-ray emission",
      "Types such as magnetars and soft gamma repeaters",
      "Gravitational wave events from mergers"
    ],
    "physical_properties": [
      {
        "quantity": "mass",
        "typical_range": "about 1.1-2.3",
        "unit": "solar masses",
        "note": ""
      },
      {
        "quantity": "radius",
        "typical_range": "about 10-13",
        "unit": "km",
        "note": ""
      },
      {
        "quantity": "magnetic field",
        "typical_range": "up to about 10^11",
        "unit": "tesla",
        "note": "magnetars"
      }
    ],
    "families_and_kinds": [
      "pulsars",
      "magnetars",
      "X-ray binaries",
      "radio-quiet neutron stars",
      "rotating radio transients"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "compact object",
        "why": "remnant"
      },
      {
        "relation": "forms from",
        "target": "star",
        "why": "supernova"
      },
      {
        "relation": "has kind",
        "target": "pulsar",
        "why": "type"
      },
      {
        "relation": "is confused with",
        "target": "black hole",
        "why": "another remnant"
      }
    ],
    "identifiers": [
      {
        "scheme": "pulsar designation",
        "value_or_pattern": "PSR J plus coordinates",
        "note": "catalogues"
      }
    ],
    "standards_and_regulation": [
      "IAU nomenclature"
    ],
    "failure_modes_and_hazards": [
      "Presenting speculative interior models as fact"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe neutron stars and report observations from astronomical catalogues.",
        "Explain the physics of neutron stars from established sources."
      ],
      "must_not": [
        "Present speculative models of neutron star interiors as settled fact.",
        "Attribute a discovery to a researcher without a source.",
        "Spread claims that a neutron star threatens Earth without evidence."
      ],
      "requires_human": [
        "Announcing a new discovery on behalf of a research team."
      ]
    },
    "ethics": {
      "considerations": [
        "Scientific claims should be accurate and credited to those who made them.",
        "Exaggerated cosmic threats cause needless fear."
      ],
      "affected_parties": [
        "Researchers",
        "The public who rely on science reporting"
      ]
    },
    "owners": {
      "steward": "Nobody: a natural object; astronomical catalogues keep the authoritative records.",
      "master_systems": [
        "Astronomical object catalogues and databases"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q4202: neutron star",
      "url": "https://www.wikidata.org/wiki/Q4202",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Neutron star",
      "url": "https://en.wikipedia.org/wiki/Neutron_star",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "identity",
        "name": "Identity",
        "description": "Which object.",
        "rationale": "Designations identify it.",
        "layers": [
          {
            "id": "designation",
            "name": "Designation",
            "description": "Catalogue name.",
            "findings": [
              {
                "id": "designation-finding",
                "name": "Designation",
                "description": "Designation.",
                "questions": [
                  {
                    "text": "Which designation identifies it?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What type of neutron star is it?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "discovery",
            "name": "Discovery",
            "description": "How found.",
            "findings": [
              {
                "id": "discovery-finding",
                "name": "Discovery",
                "description": "Discovery.",
                "questions": [
                  {
                    "text": "How and when was it discovered?",
                    "kind": "provenance"
                  },
                  {
                    "text": "By which instrument?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "properties",
        "name": "Properties",
        "description": "Mass, radius, field.",
        "rationale": "Properties test physics.",
        "layers": [
          {
            "id": "mass-radius",
            "name": "Mass and radius",
            "description": "Constraints.",
            "findings": [
              {
                "id": "mass-radius-finding",
                "name": "Mass and radius",
                "description": "Measurements.",
                "questions": [
                  {
                    "text": "What are its mass and radius?",
                    "kind": "measurement"
                  },
                  {
                    "text": "How were they measured?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "field",
            "name": "Magnetic field and spin",
            "description": "Rotation.",
            "findings": [
              {
                "id": "field-finding",
                "name": "Field",
                "description": "Field and spin.",
                "questions": [
                  {
                    "text": "What are its spin period and magnetic field?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is it slowing down?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "physics",
        "name": "Physics",
        "description": "Interior and mergers.",
        "rationale": "Open questions remain.",
        "layers": [
          {
            "id": "interior",
            "name": "Interior",
            "description": "Equation of state.",
            "findings": [
              {
                "id": "interior-finding",
                "name": "Interior",
                "description": "Interior physics.",
                "questions": [
                  {
                    "text": "What is known about its interior?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What remains uncertain?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "mergers",
            "name": "Mergers",
            "description": "Gravitational waves.",
            "findings": [
              {
                "id": "mergers-finding",
                "name": "Mergers",
                "description": "Merger observations.",
                "questions": [
                  {
                    "text": "Which neutron star mergers have been observed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What did they reveal?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "observation",
        "name": "Observation",
        "description": "Data.",
        "rationale": "Observatories provide data.",
        "layers": [
          {
            "id": "instruments",
            "name": "Instruments",
            "description": "Radio, X-ray, GW.",
            "findings": [
              {
                "id": "instruments-finding",
                "name": "Instruments",
                "description": "Observatories.",
                "questions": [
                  {
                    "text": "Which observatories study it?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Where is data published?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "communication",
            "name": "Communication",
            "description": "Accuracy.",
            "findings": [
              {
                "id": "communication-finding",
                "name": "Communication",
                "description": "Accurate explanation.",
                "questions": [
                  {
                    "text": "Is the explanation accurate and not sensational?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Which claims are speculative?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should neutron star types be separate entries?",
    "How should mass and radius constraints be recorded?",
    "How should exotic candidates such as quark stars be marked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}