{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T05:00:00Z",
    "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": "2026-10-05T13:21:22+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:54+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q12518",
    "registryId": "vr.tr.tower",
    "name": "tower",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q12518/",
  "model": {
    "registry_id": "vr.tr.tower",
    "name": "tower",
    "purpose": "Let an agent handle towers by function, height, structure, ownership and safety, including aviation marking and access.",
    "definition": "A tall structure, taller than it is wide, built for observation, transmission, defence, support or display, standing alone or as part of a building.",
    "what_it_is_for": "Gaining height, for views, signals, antennas, water pressure, defence or landmarks.",
    "affordances": [
      "climb or visit it, where permitted",
      "mount equipment on it, such as antennas",
      "inspect and maintain it",
      "mark and light it, for aviation safety"
    ],
    "distinguishing_features": [
      "Taller than wide, built for height",
      "Freestanding or part of a building",
      "Masts rely on guy wires; towers are self-supporting",
      "Obstacles to aviation above certain heights"
    ],
    "appearance": "A slender vertical structure, of masonry, steel lattice or concrete, often with a platform or equipment at the top.",
    "visual_identification": [
      "Height much greater than width",
      "Antennas, lookout platforms, water tanks or bells at the top",
      "Aviation warning lights and markings"
    ],
    "physical_properties": [
      {
        "quantity": "height",
        "typical_range": "10-634",
        "unit": "m",
        "note": "Tokyo Skytree is 634 m"
      },
      {
        "quantity": "wind load design speed",
        "typical_range": "25-50",
        "unit": "m/s",
        "note": "depends on site"
      }
    ],
    "families_and_kinds": [
      "observation and lookout towers",
      "transmission and microwave towers",
      "water towers",
      "defensive towers and keeps",
      "bell towers and minarets",
      "windcatchers and survey towers"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "structure",
        "why": "built structure"
      },
      {
        "relation": "is confused with",
        "target": "mast",
        "why": "guyed structures"
      },
      {
        "relation": "carries",
        "target": "antenna",
        "why": "telecommunications"
      },
      {
        "relation": "is regulated by",
        "target": "aviation obstacle rules",
        "why": "marking and lighting"
      }
    ],
    "identifiers": [
      {
        "scheme": "antenna structure registration",
        "value_or_pattern": "for example FCC ASR number",
        "note": "US registration of tall structures"
      }
    ],
    "standards_and_regulation": [
      "ICAO Annex 14 obstacle marking and lighting",
      "Eurocode 3 part 3-1 towers and masts",
      "Telecommunications siting rules"
    ],
    "failure_modes_and_hazards": [
      "Structural failure in wind or ice",
      "Falls when climbing",
      "Aircraft collision with unmarked towers",
      "RF exposure near antennas"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Report a tower's height, use and status from official records.",
        "Monitor structural and antenna systems it is authorized to read."
      ],
      "must_not": [
        "Climb or send people up a tower without authorization and fall protection.",
        "Switch off aviation obstruction lights or markings.",
        "Allow people within antenna exclusion zones while transmitters are active."
      ],
      "requires_human": [
        "Shutting down a tower's transmitters or declaring it structurally unsafe."
      ]
    },
    "ethics": {
      "considerations": [
        "Towers dominate skylines, and some are heritage or sacred structures."
      ],
      "affected_parties": [
        "Climbers and maintenance workers",
        "Aircraft crews",
        "People nearby"
      ]
    },
    "owners": {
      "steward": "The owner or operator; aviation authorities require it be marked.",
      "master_systems": [
        "Aviation obstacle databases"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q12518: tower",
      "url": "https://www.wikidata.org/wiki/Q12518",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Tower",
      "url": "https://en.wikipedia.org/wiki/Tower",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "function",
        "name": "Function",
        "description": "What the tower is for.",
        "rationale": "Function decides design and access.",
        "layers": [
          {
            "id": "use",
            "name": "Use",
            "description": "Observation, transmission, water.",
            "findings": [
              {
                "id": "use-finding",
                "name": "Function",
                "description": "The function.",
                "questions": [
                  {
                    "text": "What is this tower used for?",
                    "kind": "definition"
                  },
                  {
                    "text": "Has its use changed?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "equipment",
            "name": "Equipment",
            "description": "Antennas, tanks, bells.",
            "findings": [
              {
                "id": "equipment-finding",
                "name": "Equipment",
                "description": "Equipment mounted.",
                "questions": [
                  {
                    "text": "What equipment is mounted on it, and by whom?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is there RF exposure near it?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "structure",
        "name": "Structure",
        "description": "Height and design.",
        "rationale": "Tall structures are governed by wind and foundations.",
        "layers": [
          {
            "id": "height",
            "name": "Height",
            "description": "Height and form.",
            "findings": [
              {
                "id": "height-finding",
                "name": "Dimensions",
                "description": "Height and structure type.",
                "questions": [
                  {
                    "text": "How tall is it, and is it self-supporting or guyed?",
                    "kind": "measurement"
                  },
                  {
                    "text": "What is it made of?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "loads",
            "name": "Loads",
            "description": "Wind and ice.",
            "findings": [
              {
                "id": "loads-finding",
                "name": "Design loads",
                "description": "Design wind and ice loads.",
                "questions": [
                  {
                    "text": "For what wind and ice loads was it designed?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Has added equipment exceeded them?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "safety",
        "name": "Safety",
        "description": "Aviation and people.",
        "rationale": "Towers endanger aircraft and climbers if unmanaged.",
        "layers": [
          {
            "id": "aviation",
            "name": "Aviation marking",
            "description": "Lights and paint.",
            "findings": [
              {
                "id": "aviation-finding",
                "name": "Obstacle marking",
                "description": "Marking and lighting.",
                "questions": [
                  {
                    "text": "Is it marked and lit as required for aviation?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Is it in the obstacle database?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "climbing",
            "name": "Climbing",
            "description": "Fall protection.",
            "findings": [
              {
                "id": "climbing-finding",
                "name": "Climbing safety",
                "description": "Access and fall protection.",
                "questions": [
                  {
                    "text": "Who may climb it, with what fall protection?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Is public access permitted?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "ownership",
        "name": "Ownership",
        "description": "Who is responsible.",
        "rationale": "Owners and tenants share responsibility for towers.",
        "layers": [
          {
            "id": "owner",
            "name": "Owner",
            "description": "Owner and operator.",
            "findings": [
              {
                "id": "owner-finding",
                "name": "Owner",
                "description": "Owner and operator.",
                "questions": [
                  {
                    "text": "Who owns and operates the tower?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Who are the tenants?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "heritage",
            "name": "Heritage",
            "description": "Historic towers.",
            "findings": [
              {
                "id": "heritage-finding",
                "name": "Heritage status",
                "description": "Protection status.",
                "questions": [
                  {
                    "text": "Is the tower a protected historic structure?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What changes need consent?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should tower types be separate entries?",
    "How should mast and tower be distinguished in data?",
    "How should towers be linked to aviation obstacle databases?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}