{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T18:15:16Z",
    "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": 4,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T07:37:04+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:52:02+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q785456",
    "registryId": "vr.tr.lantern-tower",
    "name": "lantern tower",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q785456/",
  "model": {
    "registry_id": "vr.tr.lantern-tower",
    "name": "lantern tower",
    "purpose": "Let an agent explain lantern towers, relay their structure, function and examples from architectural history sources, describe regional forms, and distinguish lantern towers from dome lanterns, bell towers, spires and cimborrios.",
    "definition": "A tower rising above the crossing of a church or other building, with windows in its upper stage that admit light into the space below, as in the crossing towers of Ely Cathedral s octagon, Norman and Gothic churches of England, Normandy and Spain, where the Spanish cimborrio is a related form; lantern towers are distinct from lanterns crowning domes and from bell towers.",
    "what_it_is_for": "Lighting the crossing of a church.",
    "affordances": [
      "explain the element",
      "relay structure and examples",
      "describe regional forms",
      "distinguish related elements"
    ],
    "distinguishing_features": [
      "Admits light",
      "Over crossing",
      "Open to interior",
      "Medieval"
    ],
    "appearance": "A tower over the crossing with tall windows opening into the interior.",
    "visual_identification": [
      "Windowed tower over a church crossing",
      "Ely Octagon, crossing towers of Norman abbeys, Spanish cimborrios",
      "Dome lanterns crown domes; bell towers hold bells; spires are pointed roofs"
    ],
    "physical_properties": [
      {
        "quantity": "Ely Octagon",
        "typical_range": "built 1322-1340",
        "unit": "note",
        "note": "after collapse of the crossing tower"
      },
      {
        "quantity": "location",
        "typical_range": "crossing of nave and transepts",
        "unit": "note",
        "note": ""
      },
      {
        "quantity": "registry parents",
        "typical_range": "architectural element; church tower",
        "unit": "note",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "Romanesque crossing lanterns",
      "Gothic lantern towers",
      "octagonal lanterns such as Ely",
      "Spanish cimborrios",
      "lantern towers in secular buildings"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "church tower",
        "why": "in registry terms"
      },
      {
        "relation": "stands over",
        "target": "crossing",
        "why": "of a church"
      },
      {
        "relation": "is contrasted with",
        "target": "lantern (architecture)",
        "why": "on a dome"
      },
      {
        "relation": "is exemplified by",
        "target": "Ely Cathedral",
        "why": "Octagon"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Heritage protection of historic churches"
    ],
    "failure_modes_and_hazards": [
      "Structural collapse of crossing towers",
      "Confusing with dome lanterns",
      "Confusing with bell towers"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain lantern towers, citing architectural history.",
        "Distinguish them from dome lanterns and bell towers."
      ],
      "must_not": [
        "Encourage climbing or access to unsafe parts of historic towers.",
        "Misidentify a tower type without evidence.",
        "Disturb worship in the church below."
      ],
      "requires_human": [
        "Approving structural interventions on a historic tower."
      ]
    },
    "ethics": {
      "considerations": [
        "Crossing towers have collapsed; their safety concerns people below.",
        "Churches are living places of worship."
      ],
      "affected_parties": [
        "Worshippers",
        "Visitors",
        "Heritage bodies"
      ]
    },
    "owners": {
      "steward": "The church or heritage body that holds the building.",
      "master_systems": [
        "Listed building registers"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q785456: lantern tower",
      "url": "https://www.wikidata.org/wiki/Q785456",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Lantern tower",
      "url": "https://en.wikipedia.org/wiki/Lantern_tower",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What a lantern tower is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is a lantern tower, and how does it differ from a dome lantern, bell tower, spire and cimborrio?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about the element, a building or engineering?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "examples",
            "name": "Examples",
            "description": "Examples.",
            "findings": [
              {
                "id": "examples-finding",
                "name": "Examples",
                "description": "Examples.",
                "questions": [
                  {
                    "text": "What are notable lantern towers, such as Ely s Octagon?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific building?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "architecture",
        "name": "Architecture",
        "description": "Architecture.",
        "rationale": "Sources.",
        "layers": [
          {
            "id": "structure",
            "name": "Structure",
            "description": "Structure.",
            "findings": [
              {
                "id": "structure-finding",
                "name": "Structure",
                "description": "Structure.",
                "questions": [
                  {
                    "text": "How are lantern towers supported on crossing piers, and why did some collapse?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "light",
            "name": "Light",
            "description": "Light and space.",
            "findings": [
              {
                "id": "light-finding",
                "name": "Light",
                "description": "Light.",
                "questions": [
                  {
                    "text": "How do lantern towers shape light in the interior?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "regions",
        "name": "Regions",
        "description": "Regional forms.",
        "rationale": "Sources.",
        "layers": [
          {
            "id": "england",
            "name": "England",
            "description": "England and Normandy.",
            "findings": [
              {
                "id": "england-finding",
                "name": "England",
                "description": "England.",
                "questions": [
                  {
                    "text": "How were lantern towers used in Norman and English Gothic churches?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits English Gothic architecture?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "spain",
            "name": "Spain",
            "description": "Spain.",
            "findings": [
              {
                "id": "spain-finding",
                "name": "Spain",
                "description": "Spain.",
                "questions": [
                  {
                    "text": "What is the Spanish cimborrio?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits cimborrio?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Conservation.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "conservation",
            "name": "Conservation",
            "description": "Conservation.",
            "findings": [
              {
                "id": "conservation-finding",
                "name": "Conservation",
                "description": "Conservation.",
                "questions": [
                  {
                    "text": "How are lantern towers conserved and monitored?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits building conservation?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "terms",
            "name": "Terms",
            "description": "Terms.",
            "findings": [
              {
                "id": "terms-finding",
                "name": "Terms",
                "description": "Terms.",
                "questions": [
                  {
                    "text": "How are crossing tower terms used in architectural glossaries?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits crossing (architecture)?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should cimborrio be a separate entry?",
    "How should architectural history sources be linked?",
    "How should examples be recorded?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}