{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T20:06:18Z",
    "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": 3,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T10:00:00Z",
      "ingestedAt": "2026-10-06T07:00:12+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:29+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q277760",
    "registryId": "vr.tr.gatehouse",
    "name": "gatehouse",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q277760/",
  "model": {
    "registry_id": "vr.tr.gatehouse",
    "name": "gatehouse",
    "purpose": "Let an agent identify a gatehouse and its kind, explain its function and architecture, relay heritage status and visiting information, and separate gatehouses from gates, lodges and barbicans.",
    "definition": "A building at or over the entrance to a castle, town, monastery, estate, factory or other enclosed site, controlling and guarding access and often housing a porter, guards or officials; medieval gatehouses were fortified with gates, portcullis and towers, while later gatehouses are lodges and security posts.",
    "what_it_is_for": "Controlling and guarding an entrance.",
    "affordances": [
      "identify the kind of gatehouse",
      "explain its function and features",
      "relay heritage and visiting information",
      "distinguish it from related structures"
    ],
    "distinguishing_features": [
      "Controls an entrance",
      "Combines passage and accommodation",
      "Fortified or ceremonial or functional by period",
      "Often the surviving element of a larger site"
    ],
    "appearance": "A building over or beside a gateway, often with a passage through it, towers or a lodge, and rooms above.",
    "visual_identification": [
      "Building at an entrance with a passage through it",
      "Fortified with towers and portcullis, or a lodge with a porter",
      "A gate alone, a barbican and a triumphal arch are separate structures"
    ],
    "physical_properties": [
      {
        "quantity": "Overall height",
        "unit": "m",
        "typical_range": "",
        "note": "Measure vertically from ground level to the highest permanent building element."
      },
      {
        "quantity": "Gateway clear width",
        "unit": "m",
        "typical_range": "",
        "note": "Measure the narrowest unobstructed horizontal clearance through the gateway."
      },
      {
        "quantity": "Gateway clear height",
        "unit": "m",
        "typical_range": "",
        "note": "Measure the minimum vertical clearance above the passage surface."
      },
      {
        "quantity": "Building footprint area",
        "unit": "m2",
        "typical_range": "",
        "note": "Measure the horizontal area enclosed by the external building outline."
      }
    ],
    "families_and_kinds": [
      "castle and town gatehouses",
      "monastic and collegiate gatehouses",
      "estate and park gatehouses and lodges",
      "industrial and factory gatehouses",
      "modern security gatehouses"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "building",
        "why": "a structure at an entrance"
      },
      {
        "relation": "is part of",
        "target": "castle",
        "why": "in fortifications"
      },
      {
        "relation": "contains",
        "target": "gate",
        "why": "the closure it houses"
      },
      {
        "relation": "is confused with",
        "target": "barbican",
        "why": "an outwork in front of a gate"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Heritage listing and protection of historic gatehouses",
      "Building and security regulations for modern gatehouses"
    ],
    "failure_modes_and_hazards": [
      "Decay of historic fabric",
      "Confusion with gates and lodges",
      "Access and safety issues in narrow passages"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe the history and architecture of gatehouses.",
        "Manage visitor logs and access at a gatehouse for the site operator that authorized it."
      ],
      "must_not": [
        "Admit people to a site without the operator's authorisation.",
        "Keep or share visitor records beyond their stated purpose.",
        "Damage or alter a historic gatehouse without consent of the heritage authority."
      ],
      "requires_human": [
        "Refusing or granting entry in a disputed or emergency case."
      ]
    },
    "ethics": {
      "considerations": [
        "Gatehouses decide who enters; that power can exclude people unfairly.",
        "Historic gatehouses are heritage that belongs to future generations."
      ],
      "affected_parties": [
        "Visitors and workers",
        "Residents of the site",
        "Heritage owners"
      ]
    },
    "owners": {
      "steward": "The owner or operator of the site; heritage authorities for listed buildings.",
      "master_systems": [
        "Heritage and listed building registers"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q277760: gatehouse",
      "url": "https://www.wikidata.org/wiki/Q277760",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Gatehouse",
      "url": "https://en.wikipedia.org/wiki/Gatehouse",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "identify",
        "name": "Identify",
        "description": "What kind of gatehouse.",
        "rationale": "Identity.",
        "layers": [
          {
            "id": "kind",
            "name": "Kind",
            "description": "Kind and site.",
            "findings": [
              {
                "id": "kind-finding",
                "name": "Kind",
                "description": "Kind.",
                "questions": [
                  {
                    "text": "What kind of gatehouse is this, and what site does it guard?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the structure a gatehouse, a gate, a lodge or a barbican?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "features",
            "name": "Features",
            "description": "Architectural features.",
            "findings": [
              {
                "id": "features-finding",
                "name": "Features",
                "description": "Features.",
                "questions": [
                  {
                    "text": "What features does it have, such as towers, portcullis, passage and rooms?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific building?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "function",
        "name": "Function",
        "description": "How it worked.",
        "rationale": "Function.",
        "layers": [
          {
            "id": "control",
            "name": "Control",
            "description": "Access control.",
            "findings": [
              {
                "id": "control-finding",
                "name": "Control",
                "description": "Control.",
                "questions": [
                  {
                    "text": "How did the gatehouse control access, and who staffed it?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits castle architecture?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "later",
            "name": "Later use",
            "description": "Later and modern use.",
            "findings": [
              {
                "id": "later-finding",
                "name": "Later",
                "description": "Later.",
                "questions": [
                  {
                    "text": "How are gatehouses used today, from homes to security posts?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits security?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "heritage",
        "name": "Heritage",
        "description": "Protection and visiting.",
        "rationale": "Heritage.",
        "layers": [
          {
            "id": "protection",
            "name": "Protection",
            "description": "Listing.",
            "findings": [
              {
                "id": "protection-finding",
                "name": "Protection",
                "description": "Protection.",
                "questions": [
                  {
                    "text": "Is the gatehouse protected, and under which law?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits heritage protection?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "visiting",
            "name": "Visiting",
            "description": "Visiting.",
            "findings": [
              {
                "id": "visiting-finding",
                "name": "Visiting",
                "description": "Visiting.",
                "questions": [
                  {
                    "text": "Can the gatehouse be visited, and what are the arrangements?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the information current?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "History and examples.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "history",
            "name": "History",
            "description": "Development.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How did gatehouses develop from Roman and medieval fortifications to estate lodges?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "examples",
            "name": "Examples",
            "description": "Examples.",
            "findings": [
              {
                "id": "examples-finding",
                "name": "Examples",
                "description": "Examples.",
                "questions": [
                  {
                    "text": "Which gatehouses are standard examples of each kind?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits a specific example?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should lodges and barbicans be separate entries?",
    "How should heritage listings be linked?",
    "How should industrial gatehouses be represented?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}