{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T05:00:01Z",
    "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": "2026-10-05T13:22:24+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-06T22:48:00+00:00",
        "engine": "codex",
        "fields": [
          "definition"
        ],
        "answering_review": "5072914097ce7ac2234f04166a0554f9e9969e8a8379e75547d539014e9f8099"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:30+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q318",
    "registryId": "vr.tr.galaxy",
    "name": "galaxy",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.SPC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q318/",
  "model": {
    "registry_id": "vr.tr.galaxy",
    "name": "galaxy",
    "purpose": "Let an agent describe galaxies by type, distance, size and designation, and handle catalogue cross-identification.",
    "definition": "A gravitationally bound system of stars, stellar remnants, gas, dust and dark matter, ranging from ultra-faint dwarf galaxies with far fewer than a million stars to giants of trillions.",
    "what_it_is_for": "Galaxies are the building blocks of the large-scale universe; studying them explains cosmic history.",
    "affordances": [
      "observe it, across the spectrum",
      "classify it, by morphology and activity",
      "measure its distance and redshift",
      "catalogue it, with designations"
    ],
    "distinguishing_features": [
      "Gravitationally bound with dark matter",
      "Much larger than star clusters",
      "Classified by the Hubble sequence and activity",
      "Our own galaxy is the Milky Way"
    ],
    "appearance": "A fuzzy patch in a telescope; in images, spiral arms, ellipsoids or irregular shapes; the Milky Way is seen from inside as a band of light.",
    "visual_identification": [
      "Extended, not point-like, sources",
      "Morphology: spiral, elliptical, lenticular, irregular",
      "Designations such as M31, NGC 224, PGC numbers"
    ],
    "physical_properties": [
      {
        "quantity": "stars",
        "typical_range": "10^6 to 10^13",
        "unit": "stars",
        "note": ""
      },
      {
        "quantity": "diameter",
        "typical_range": "1000-500000+",
        "unit": "light years",
        "note": ""
      },
      {
        "quantity": "distance to Andromeda",
        "typical_range": "2.5",
        "unit": "million light years",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "spiral, barred spiral, elliptical, lenticular, irregular",
      "dwarf galaxies",
      "active galaxies: radio galaxies, quasars",
      "luminous infrared galaxies",
      "interacting and binary galaxies"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "astronomical object",
        "why": "large-scale system"
      },
      {
        "relation": "contains",
        "target": "star and black hole",
        "why": "components"
      },
      {
        "relation": "is part of",
        "target": "galaxy cluster",
        "why": "larger structures"
      },
      {
        "relation": "hosts",
        "target": "supermassive black hole",
        "why": "at the centre of most large galaxies"
      }
    ],
    "identifiers": [
      {
        "scheme": "Messier and NGC numbers",
        "value_or_pattern": "M or NGC plus number",
        "note": "classic catalogues"
      },
      {
        "scheme": "PGC number",
        "value_or_pattern": "numeric",
        "note": "Principal Galaxies Catalogue"
      }
    ],
    "standards_and_regulation": [
      "IAU nomenclature"
    ],
    "failure_modes_and_hazards": [
      "Merging different galaxies with similar designations",
      "Using redshift distances without stating cosmology"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Report galaxy designations, positions and properties from astronomical catalogues.",
        "State the cosmological model used when converting redshift to distance."
      ],
      "must_not": [
        "Merge different galaxies with similar designations into one record.",
        "Give redshift distances without stating the cosmology.",
        "Present speculative findings as established."
      ],
      "requires_human": [
        "Correcting catalogue records that others rely on."
      ]
    },
    "ethics": {
      "considerations": [
        "Public understanding of the universe depends on honest reporting of uncertainty."
      ],
      "affected_parties": [
        "The public",
        "Astronomers"
      ]
    },
    "owners": {
      "steward": "Nobody owns a galaxy; the astronomical community catalogues them.",
      "master_systems": [
        "Extragalactic catalogues of the astronomical community"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q318: galaxy",
      "url": "https://www.wikidata.org/wiki/Q318",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Galaxy",
      "url": "https://en.wikipedia.org/wiki/Galaxy",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "identity",
        "name": "Identity",
        "description": "Which galaxy.",
        "rationale": "Galaxies carry many designations.",
        "layers": [
          {
            "id": "designations",
            "name": "Designations",
            "description": "Catalogue ids.",
            "findings": [
              {
                "id": "designations-finding",
                "name": "Designations",
                "description": "Designations and names.",
                "questions": [
                  {
                    "text": "Which designations identify this galaxy?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is it confirmed or a candidate?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "type",
            "name": "Type",
            "description": "Morphology.",
            "findings": [
              {
                "id": "type-finding",
                "name": "Morphology",
                "description": "Morphological type.",
                "questions": [
                  {
                    "text": "What morphological type is it?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is it active?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "distance-and-size",
        "name": "Distance and size",
        "description": "How far and how big.",
        "rationale": "Distance underpins every physical quantity.",
        "layers": [
          {
            "id": "distance",
            "name": "Distance",
            "description": "Method and value.",
            "findings": [
              {
                "id": "distance-finding",
                "name": "Distance",
                "description": "Distance and method.",
                "questions": [
                  {
                    "text": "How far away is it, by which method?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Which cosmology was assumed?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "size",
            "name": "Size and mass",
            "description": "Diameter, stars, mass.",
            "findings": [
              {
                "id": "size-finding",
                "name": "Size",
                "description": "Size and mass.",
                "questions": [
                  {
                    "text": "What are its size and mass?",
                    "kind": "measurement"
                  },
                  {
                    "text": "How much is dark matter?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "contents",
        "name": "Contents",
        "description": "What it contains.",
        "rationale": "Contents reveal history.",
        "layers": [
          {
            "id": "stars",
            "name": "Stars and gas",
            "description": "Populations.",
            "findings": [
              {
                "id": "stars-finding",
                "name": "Populations",
                "description": "Stellar populations and gas.",
                "questions": [
                  {
                    "text": "What stellar populations and gas does it contain?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is it forming stars?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "nucleus",
            "name": "Nucleus",
            "description": "Central black hole.",
            "findings": [
              {
                "id": "nucleus-finding",
                "name": "Nucleus",
                "description": "The central black hole.",
                "questions": [
                  {
                    "text": "Does it have a supermassive black hole, of what mass?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is the nucleus active?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "environment",
        "name": "Environment",
        "description": "Neighbours and interactions.",
        "rationale": "Environment shapes galaxies.",
        "layers": [
          {
            "id": "group",
            "name": "Group",
            "description": "Cluster or group.",
            "findings": [
              {
                "id": "group-finding",
                "name": "Membership",
                "description": "Group membership.",
                "questions": [
                  {
                    "text": "Which group or cluster is it part of?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is it interacting with neighbours?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "observation",
            "name": "Observation",
            "description": "Data sources.",
            "findings": [
              {
                "id": "observation-finding",
                "name": "Data",
                "description": "Surveys and archives.",
                "questions": [
                  {
                    "text": "Which surveys have observed it?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How can it be observed by amateurs?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should named galaxies be instances with cross-identifiers?",
    "How should distance methods be recorded?",
    "How should uncertain galaxy candidates be marked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}