{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T13:55:32Z",
    "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": "2026-10-05T13:29:56+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:28+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q1974542",
    "registryId": "vr.tr.hypothetical-planet",
    "name": "hypothetical planet",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.SPC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q1974542/",
  "model": {
    "registry_id": "vr.tr.hypothetical-planet",
    "name": "hypothetical planet",
    "purpose": "Let an agent handle hypothetical planets by proposal, evidence, status and history, attributing claims to their proponents and separating fiction.",
    "definition": "A planet proposed to exist but not confirmed or later disproved, such as Vulcan inside Mercury orbit, the disrupted Phaeton, the impactor Theia, counter-Earth and the proposed Planet Nine in the outer solar system, as well as exoplanet candidates awaiting confirmation; fictional planets are a separate category.",
    "what_it_is_for": "History of astronomy and current research questions.",
    "affordances": [
      "explain why a planet was proposed",
      "report its current status with sources",
      "summarise searches and evidence",
      "separate fictional planets"
    ],
    "distinguishing_features": [
      "Proposed existence",
      "Status open or disproved",
      "Based on indirect evidence",
      "Often controversial"
    ],
    "appearance": "Not observed or not confirmed; appears in models, predictions and historical records.",
    "visual_identification": [
      "Proposed but unconfirmed planets",
      "Historical predictions such as Vulcan",
      "Confirmed exoplanets are observed"
    ],
    "physical_properties": [
      {
        "quantity": "Proposed mass",
        "unit": "kg",
        "typical_range": "",
        "note": "Mass is constrained through dynamical models or observational limits, with estimates remaining conditional on the proposed body's existence."
      },
      {
        "quantity": "Proposed radius",
        "unit": "km",
        "typical_range": "",
        "note": "Radius is inferred from candidate observations or physical models and must be distinguished from a confirmed measurement."
      },
      {
        "quantity": "Proposed orbital period",
        "unit": "days",
        "typical_range": "",
        "note": "Orbital period is estimated from candidate orbital solutions or assumed orbital parameters and the mass of the central body."
      }
    ],
    "families_and_kinds": [
      "disproved historical planets",
      "proposed outer solar system planets",
      "hypothetical impactors",
      "exoplanet candidates",
      "hypothetical planet classes"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "hypothetical astronomical object",
        "why": "category"
      },
      {
        "relation": "includes",
        "target": "Planet Nine",
        "why": "example"
      },
      {
        "relation": "includes",
        "target": "Chthonian planet",
        "why": "hypothetical class"
      },
      {
        "relation": "is contrasted with",
        "target": "fictional planet",
        "why": "related category"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "IAU planet definitions",
      "Exoplanet confirmation criteria of catalogues"
    ],
    "failure_modes_and_hazards": [
      "Presenting proposals as discoveries",
      "Pseudoscientific doomsday claims such as Nibiru"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe hypothetical planets and the evidence for and against them.",
        "Mark each one as proposed, disproved or a candidate, citing sources."
      ],
      "must_not": [
        "Present an unconfirmed planet as real.",
        "Spread doomsday claims about hidden planets colliding with Earth.",
        "Misattribute proposals or discoveries."
      ],
      "requires_human": [
        "Announcing a candidate planet as confirmed."
      ]
    },
    "ethics": {
      "considerations": [
        "False planet scares cause real fear, especially among young people."
      ],
      "affected_parties": [
        "The public",
        "Students",
        "Researchers"
      ]
    },
    "owners": {
      "steward": "Nobody: hypotheses held in common by the scientific community.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q1974542: hypothetical planet",
      "url": "https://www.wikidata.org/wiki/Q1974542",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Hypothetical planet",
      "url": "https://en.wikipedia.org/wiki/Hypothetical_planet",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "proposal",
        "name": "Proposal",
        "description": "Why proposed.",
        "rationale": "Evidence motivates proposals.",
        "layers": [
          {
            "id": "reason",
            "name": "Reason",
            "description": "Motivation.",
            "findings": [
              {
                "id": "reason-finding",
                "name": "Reason",
                "description": "Motivation.",
                "questions": [
                  {
                    "text": "What observations led to this planet being proposed, and by whom?",
                    "kind": "provenance"
                  },
                  {
                    "text": "When was it proposed?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "status",
            "name": "Status",
            "description": "Current status.",
            "findings": [
              {
                "id": "status-finding",
                "name": "Status",
                "description": "Current status.",
                "questions": [
                  {
                    "text": "Is the planet confirmed, still hypothetical or disproved, according to current research?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What evidence changed its status?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "search",
        "name": "Search",
        "description": "Looking for it.",
        "rationale": "Searches test proposals.",
        "layers": [
          {
            "id": "surveys",
            "name": "Surveys",
            "description": "Search efforts.",
            "findings": [
              {
                "id": "surveys-finding",
                "name": "Surveys",
                "description": "Surveys.",
                "questions": [
                  {
                    "text": "Which surveys or telescopes are searching for it?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What limits have they set?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "alternatives",
            "name": "Alternatives",
            "description": "Other explanations.",
            "findings": [
              {
                "id": "alternatives-finding",
                "name": "Alternatives",
                "description": "Alternative explanations.",
                "questions": [
                  {
                    "text": "What alternative explanations exist for the observations?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which are favoured?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "history",
        "name": "History",
        "description": "Past proposals.",
        "rationale": "History teaches.",
        "layers": [
          {
            "id": "vulcan",
            "name": "Vulcan",
            "description": "Disproved planets.",
            "findings": [
              {
                "id": "vulcan-finding",
                "name": "Vulcan",
                "description": "Disproved planets.",
                "questions": [
                  {
                    "text": "Why was Vulcan proposed, and how did general relativity explain the anomaly?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What other planets were disproved?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "theia",
            "name": "Theia",
            "description": "Impactors.",
            "findings": [
              {
                "id": "theia-finding",
                "name": "Theia",
                "description": "Hypothetical impactors.",
                "questions": [
                  {
                    "text": "What is the giant impact hypothesis involving Theia?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How strong is the evidence?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "myths",
        "name": "Myths",
        "description": "Pseudoscience and fiction.",
        "rationale": "Correct misinformation.",
        "layers": [
          {
            "id": "doomsday",
            "name": "Doomsday",
            "description": "Nibiru claims.",
            "findings": [
              {
                "id": "doomsday-finding",
                "name": "Doomsday",
                "description": "Doomsday claims.",
                "questions": [
                  {
                    "text": "Is there evidence for claims of a rogue planet about to hit Earth?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How can the agent explain the scientific position calmly?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "fiction",
            "name": "Fiction",
            "description": "Fictional planets.",
            "findings": [
              {
                "id": "fiction-finding",
                "name": "Fiction",
                "description": "Fictional planets.",
                "questions": [
                  {
                    "text": "Is a fictional planet from a book, film or game meant?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Which entry fits?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each proposal be a separate entry?",
    "How should status changes be tracked?",
    "How should fiction be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}