{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T05:48:13Z",
    "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": "2026-10-05T13:23:01+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:32+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q79925",
    "registryId": "vr.tr.dark-matter",
    "name": "dark matter",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.SPC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q79925/",
  "model": {
    "registry_id": "vr.tr.dark-matter",
    "name": "dark matter",
    "purpose": "Let an agent describe dark matter with the evidence for it, the candidate explanations and what remains unknown, without overstating certainty.",
    "definition": "A hypothesised form of matter that does not emit, absorb or reflect light, inferred from its gravitational effects on galaxies, clusters and the cosmic microwave background, and making up most of the matter in the universe.",
    "what_it_is_for": "Explaining galaxy rotation, gravitational lensing and cosmic structure.",
    "affordances": [
      "infer it, from gravitational effects",
      "search for it, in direct detection and collider experiments",
      "model it, in cosmological simulations",
      "test alternatives, such as modified gravity"
    ],
    "distinguishing_features": [
      "Inferred from gravity, not seen",
      "Not yet directly detected",
      "Cold, warm and hot models differ",
      "Modified gravity is an alternative explanation"
    ],
    "appearance": "Invisible; mapped indirectly through lensing and galaxy motions.",
    "visual_identification": [
      "Galaxy rotation curves flatter than visible matter predicts",
      "Gravitational lensing maps",
      "No direct detection so far"
    ],
    "physical_properties": [
      {
        "quantity": "share of matter",
        "typical_range": "about 85",
        "unit": "percent",
        "note": "of all matter, per standard cosmology"
      },
      {
        "quantity": "share of total energy density",
        "typical_range": "about 27",
        "unit": "percent",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "cold dark matter",
      "warm and hot dark matter",
      "candidates: WIMPs, axions, primordial black holes",
      "baryonic dark matter (largely excluded as main component)"
    ],
    "related_models": [
      {
        "relation": "affects",
        "target": "galaxy",
        "why": "structure"
      },
      {
        "relation": "is inferred from",
        "target": "curve such as rotation curves",
        "why": "evidence"
      },
      {
        "relation": "is studied by",
        "target": "astronomy and physics",
        "why": "fields"
      },
      {
        "relation": "is confused with",
        "target": "dark energy",
        "why": "a different concept"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [],
    "failure_modes_and_hazards": [
      "Presenting dark matter as directly observed",
      "Presenting speculative candidates as established",
      "Confusing dark matter and dark energy"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain dark matter evidence and models with cited research.",
        "State plainly that its nature remains unknown."
      ],
      "must_not": [
        "Present a hypothesis about dark matter as confirmed.",
        "Dismiss alternative theories without stating the evidence.",
        "Misattribute observations or discoveries."
      ],
      "requires_human": [
        "Publishing claims of detection."
      ]
    },
    "ethics": {
      "considerations": [
        "Public science should be honest about uncertainty.",
        "Credit for discoveries matters to researchers."
      ],
      "affected_parties": [
        "Researchers",
        "The public"
      ]
    },
    "owners": {
      "steward": "Nobody: a natural phenomenon studied in common.",
      "master_systems": []
    },
    "facets_not_applicable": {
      "interfaces": "No established standard, law or official classification directly regulates dark matter as a hypothesized physical constituent of the universe."
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q79925: dark matter",
      "url": "https://www.wikidata.org/wiki/Q79925",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Dark matter",
      "url": "https://en.wikipedia.org/wiki/Dark_matter",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "evidence",
        "name": "Evidence",
        "description": "Why it is inferred.",
        "rationale": "The evidence is indirect but strong.",
        "layers": [
          {
            "id": "observations",
            "name": "Observations",
            "description": "Rotation, lensing, CMB.",
            "findings": [
              {
                "id": "observations-finding",
                "name": "Evidence",
                "description": "Lines of evidence.",
                "questions": [
                  {
                    "text": "Which observations point to dark matter?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How strong is each line of evidence?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "amount",
            "name": "Amount",
            "description": "How much.",
            "findings": [
              {
                "id": "amount-finding",
                "name": "Amount",
                "description": "Estimated amount.",
                "questions": [
                  {
                    "text": "How much dark matter is inferred, from which data?",
                    "kind": "measurement"
                  },
                  {
                    "text": "How uncertain is the figure?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "nature",
        "name": "Nature",
        "description": "What it might be.",
        "rationale": "Its nature is unknown.",
        "layers": [
          {
            "id": "candidates",
            "name": "Candidates",
            "description": "Particles and objects.",
            "findings": [
              {
                "id": "candidates-finding",
                "name": "Candidates",
                "description": "Candidate explanations.",
                "questions": [
                  {
                    "text": "Which candidates are considered, and what rules them in or out?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which are favoured, by whom?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "alternatives",
            "name": "Alternatives",
            "description": "Modified gravity.",
            "findings": [
              {
                "id": "alternatives-finding",
                "name": "Alternatives",
                "description": "Alternative theories.",
                "questions": [
                  {
                    "text": "How do modified gravity theories explain the evidence?",
                    "kind": "definition"
                  },
                  {
                    "text": "Where do they fail?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "searches",
        "name": "Searches",
        "description": "Experiments.",
        "rationale": "Experiments test hypotheses.",
        "layers": [
          {
            "id": "direct",
            "name": "Direct detection",
            "description": "Underground detectors.",
            "findings": [
              {
                "id": "direct-finding",
                "name": "Direct searches",
                "description": "Direct detection results.",
                "questions": [
                  {
                    "text": "What have direct detection experiments found?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which limits have they set?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "indirect",
            "name": "Indirect and collider",
            "description": "Other searches.",
            "findings": [
              {
                "id": "indirect-finding",
                "name": "Other searches",
                "description": "Other search results.",
                "questions": [
                  {
                    "text": "What do indirect and collider searches show?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Are there unconfirmed signals?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "communication",
        "name": "Communication",
        "description": "Explaining honestly.",
        "rationale": "Uncertainty must be stated.",
        "layers": [
          {
            "id": "status",
            "name": "Status",
            "description": "Known vs unknown.",
            "findings": [
              {
                "id": "status-finding",
                "name": "Status",
                "description": "What is known.",
                "questions": [
                  {
                    "text": "What is established and what is unknown?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How should that be worded?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "confusion",
            "name": "Confusion",
            "description": "Dark energy.",
            "findings": [
              {
                "id": "confusion-finding",
                "name": "Clarification",
                "description": "Common confusions.",
                "questions": [
                  {
                    "text": "Is dark matter being confused with dark energy?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How should the difference be explained?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "How should the registry mark hypothesised entities?",
    "Should candidates be separate entries?",
    "How should alternative theories be represented fairly?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}