{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T06:25:11Z",
    "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": "2026-10-05T13:19:28+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-06T22:51:46+00:00",
        "engine": "codex",
        "fields": [
          "definition",
          "distinguishing_features",
          "purpose"
        ],
        "answering_review": "7369697eb1daef394fa26d9fad363cd1e047bdf920ba9bcc091d590bd434281a"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:31+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q42948",
    "registryId": "vr.tr.wall",
    "name": "wall",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q42948/",
  "model": {
    "registry_id": "vr.tr.wall",
    "name": "wall",
    "purpose": "Let an agent handle building and freestanding walls by type, construction, ownership, stability and heritage.",
    "definition": "A wall is a vertical, usually solid structure that defines, divides, encloses or sometimes protects an area, including exterior and interior building walls, freestanding boundary and garden walls, and retaining walls that hold back soil.",
    "what_it_is_for": "Marking boundaries, providing privacy and security, retaining land and sheltering gardens.",
    "affordances": [
      "build and repair it",
      "check its stability",
      "resolve boundary questions",
      "protect historic walls"
    ],
    "distinguishing_features": [
      "Walls can form part of a building or stand independently.",
      "Walls can raise boundary and ownership questions.",
      "Walls can collapse if poorly built.",
      "Building walls can enclose spaces, divide rooms or support structural loads."
    ],
    "appearance": "Masonry, timber, earth or thatched walls standing alone; crinkle-crankle walls curve; ha-has are sunken.",
    "visual_identification": [
      "Freestanding boundary structures",
      "Types such as ha-ha or crinkle-crankle",
      "Retaining walls hold back soil"
    ],
    "physical_properties": [
      {
        "quantity": "height",
        "typical_range": "0.5-5",
        "unit": "m",
        "note": ""
      },
      {
        "quantity": "wind load",
        "typical_range": "site-dependent",
        "unit": "kN/m2",
        "note": "affects stability"
      }
    ],
    "families_and_kinds": [
      "boundary walls",
      "garden walls including crinkle-crankle walls",
      "retaining walls",
      "ha-has",
      "timber and thatched walls"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "separation barrier",
        "why": "structure"
      },
      {
        "relation": "is confused with",
        "target": "wall in a building",
        "why": "building element"
      },
      {
        "relation": "marks",
        "target": "property boundary",
        "why": "use"
      },
      {
        "relation": "is protected as",
        "target": "heritage",
        "why": "listing"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Planning rules on wall heights",
      "Party wall and boundary law",
      "Heritage protection law"
    ],
    "failure_modes_and_hazards": [
      "Collapse onto people",
      "Boundary disputes",
      "Retaining wall failure"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Inspect and report the condition of a wall, such as cracks or leaning.",
        "Describe a boundary wall from maps and public records."
      ],
      "must_not": [
        "Damage, demolish or climb over a wall without the owner's permission.",
        "Alter a boundary wall in a way that moves a property line.",
        "Leave an unstable wall standing near people without warning.",
        "Damage a historic or listed wall."
      ],
      "requires_human": [
        "Demolishing or rebuilding a boundary wall.",
        "Settling a dispute over who owns a wall."
      ]
    },
    "ethics": {
      "considerations": [
        "Walls mark boundaries; changing them can take land or start disputes between neighbours.",
        "Collapsing walls injure people, and historic walls carry heritage."
      ],
      "affected_parties": [
        "Owners on both sides",
        "Passers-by"
      ]
    },
    "owners": {
      "steward": "The owner of the land it stands on, or both neighbours jointly for a party wall.",
      "master_systems": [
        "Land registry or cadastre",
        "Heritage registers where listed"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q42948: wall",
      "url": "https://www.wikidata.org/wiki/Q42948",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Wall",
      "url": "https://en.wikipedia.org/wiki/Wall",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "type",
        "name": "Type",
        "description": "Which wall.",
        "rationale": "Type decides rules.",
        "layers": [
          {
            "id": "kind",
            "name": "Kind",
            "description": "Boundary, garden, retaining.",
            "findings": [
              {
                "id": "kind-finding",
                "name": "Kind",
                "description": "Wall type.",
                "questions": [
                  {
                    "text": "What type of freestanding wall is it?",
                    "kind": "definition"
                  },
                  {
                    "text": "What is it made of?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "size",
            "name": "Size",
            "description": "Height and length.",
            "findings": [
              {
                "id": "size-finding",
                "name": "Size",
                "description": "Dimensions.",
                "questions": [
                  {
                    "text": "How high and long is it?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Does it need planning permission?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "stability",
        "name": "Stability",
        "description": "Safety.",
        "rationale": "Walls can collapse.",
        "layers": [
          {
            "id": "condition",
            "name": "Condition",
            "description": "Cracks and lean.",
            "findings": [
              {
                "id": "condition-finding",
                "name": "Condition",
                "description": "Condition.",
                "questions": [
                  {
                    "text": "Is the wall leaning, cracked or bulging?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is it safe?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "repair",
            "name": "Repair",
            "description": "Fixing.",
            "findings": [
              {
                "id": "repair-finding",
                "name": "Repair",
                "description": "Repair.",
                "questions": [
                  {
                    "text": "What repairs are needed?",
                    "kind": "action"
                  },
                  {
                    "text": "Who should do them?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "ownership",
        "name": "Ownership",
        "description": "Whose wall.",
        "rationale": "Ownership decides duties.",
        "layers": [
          {
            "id": "boundary",
            "name": "Boundary",
            "description": "Which side.",
            "findings": [
              {
                "id": "boundary-finding",
                "name": "Boundary",
                "description": "Ownership.",
                "questions": [
                  {
                    "text": "Who owns the wall?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is it shared?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "disputes",
            "name": "Disputes",
            "description": "Resolution.",
            "findings": [
              {
                "id": "disputes-finding",
                "name": "Disputes",
                "description": "Dispute resolution.",
                "questions": [
                  {
                    "text": "How are wall disputes resolved?",
                    "kind": "action"
                  },
                  {
                    "text": "Which law applies?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "heritage",
        "name": "Heritage",
        "description": "Historic walls.",
        "rationale": "Old walls may be protected.",
        "layers": [
          {
            "id": "status",
            "name": "Status",
            "description": "Listing.",
            "findings": [
              {
                "id": "status-finding",
                "name": "Status",
                "description": "Heritage status.",
                "questions": [
                  {
                    "text": "Is the wall protected?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What consent is needed?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "history",
            "name": "History",
            "description": "Origins.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "When and why was it built?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What is its significance?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should wall types be separate entries?",
    "How should boundary ownership be recorded?",
    "How should the building wall entry be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}