{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T03:55:22Z",
    "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": 2,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T23:50:00Z",
      "ingestedAt": "2026-10-05T20:51:58+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:51:17+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "3 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q2516121",
    "registryId": "vr.tr.transport-structure",
    "name": "transport structure",
    "version": "0.2.0-wave.2",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q2516121/",
  "model": {
    "registry_id": "vr.tr.transport-structure",
    "name": "transport structure",
    "purpose": "Let an agent explain transport structures and their types across modes, describe planning, engineering and maintenance, support infrastructure and heritage questions, and identify structure categories with sources.",
    "definition": "A built structure serving transport by land, water or air, including roads, bridges, tunnels, railway track bodies and stations, ports, harbours, quays, canals, locks and other maritime infrastructure, airports, rest areas and fall structures such as boat lifts, forming the physical infrastructure of transport networks; transport structures are planned, built and maintained by public authorities and operators under engineering and safety standards.",
    "what_it_is_for": "Built infrastructure for transport.",
    "affordances": [
      "explain types across modes",
      "describe planning and maintenance",
      "support infrastructure questions",
      "identify categories"
    ],
    "distinguishing_features": [
      "Mode-specific",
      "Network role",
      "Engineering standards",
      "Public ownership common"
    ],
    "appearance": "Roads, bridges, tracks, ports, terminals and related works.",
    "visual_identification": [
      "Built structure serving transport",
      "Land, water or air modes",
      "Vehicles are not structures; utility networks serve other services"
    ],
    "physical_properties": [
      {
        "quantity": "Overall length",
        "unit": "m",
        "typical_range": "",
        "note": "Measure the structure between defined endpoints using engineering drawings or a site survey."
      },
      {
        "quantity": "Usable passage width",
        "unit": "m",
        "typical_range": "",
        "note": "Measure the unobstructed width available for the intended traffic at the relevant sections."
      },
      {
        "quantity": "Vertical clearance",
        "unit": "m",
        "typical_range": "",
        "note": "Measure available headroom relative to the relevant road, rail or water reference level where overhead constraints exist."
      }
    ],
    "families_and_kinds": [
      "road structures such as bridges and tunnels",
      "railway structures such as track bodies and stations",
      "maritime infrastructure such as ports and locks",
      "aviation structures",
      "ancillary structures such as rest areas"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "built structure",
        "why": "category"
      },
      {
        "relation": "is related to",
        "target": "boat lift",
        "why": "a fall structure for waterways"
      },
      {
        "relation": "is related to",
        "target": "railway junction",
        "why": "a railway structure"
      },
      {
        "relation": "is related to",
        "target": "motive power depot",
        "why": "a railway maintenance structure"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Civil engineering design and safety standards",
      "Transport infrastructure planning law",
      "Maintenance and inspection regimes"
    ],
    "failure_modes_and_hazards": [
      "Structural failure",
      "Maintenance backlogs",
      "Confusing structure categories"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe and classify transport structures such as bridges, tunnels, quays and locks from official records.",
        "Report visible damage, flooding or obstruction to the infrastructure owner.",
        "Monitor structural sensors on structures it is authorized to observe."
      ],
      "must_not": [
        "Declare a bridge, tunnel or quay safe to use without an inspection by a qualified engineer.",
        "Open, close or operate locks, lifts or movable bridges it is not authorized to control.",
        "Publish detailed vulnerabilities of critical transport structures beyond their authorized audience.",
        "Hide or delay reporting of defects that could cause collapse."
      ],
      "requires_human": [
        "Closing or reopening a structure to traffic.",
        "Approving repair, demolition or a change of load limits."
      ]
    },
    "ethics": {
      "considerations": [
        "Failure of a transport structure can kill many people at once.",
        "Maintenance backlogs fall hardest on regions with the least money."
      ],
      "affected_parties": [
        "Travellers and crews",
        "People living near the structure",
        "The owning authority"
      ]
    },
    "owners": {
      "steward": "The infrastructure owner, usually a public authority or concession holder.",
      "master_systems": [
        "National bridge and tunnel inventories",
        "Port and waterway registers"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q2516121: transport structure",
      "url": "https://www.wikidata.org/wiki/Q2516121",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "found-2",
      "title": "Transport",
      "url": "https://en.wikipedia.org/wiki/Transport",
      "url_status": "live",
      "checked_by": "http 200",
      "what_it_supports": "Transport infrastructure, including roads, railways, terminals and other facilities enabling movement."
    },
    {
      "id": "found-3",
      "title": "Infrastructure",
      "url": "https://en.wikipedia.org/wiki/Infrastructure",
      "url_status": "live",
      "checked_by": "http 200",
      "what_it_supports": "The transport subset of physical infrastructure, including constructed facilities supporting movement of people and vehicles."
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What transport structures are.",
        "rationale": "Engineering.",
        "layers": [
          {
            "id": "types",
            "name": "Types",
            "description": "Types by mode.",
            "findings": [
              {
                "id": "types-finding",
                "name": "Types",
                "description": "Types.",
                "questions": [
                  {
                    "text": "What transport structures exist for road, rail, water and air, and how are they categorised?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which mode or structure is meant?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "function",
            "name": "Function",
            "description": "Function in networks.",
            "findings": [
              {
                "id": "function-finding",
                "name": "Function",
                "description": "Function.",
                "questions": [
                  {
                    "text": "How do structures such as bridges, track bodies, locks and terminals function within transport networks?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits a specific structure type?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "build",
        "name": "Build",
        "description": "Planning and engineering.",
        "rationale": "Practice.",
        "layers": [
          {
            "id": "planning",
            "name": "Planning",
            "description": "Planning.",
            "findings": [
              {
                "id": "planning-finding",
                "name": "Planning",
                "description": "Planning.",
                "questions": [
                  {
                    "text": "How are transport structures planned, assessed and approved?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits transport planning?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "engineering",
            "name": "Engineering",
            "description": "Design and construction.",
            "findings": [
              {
                "id": "engineering-finding",
                "name": "Engineering",
                "description": "Engineering.",
                "questions": [
                  {
                    "text": "What engineering principles and standards govern design and construction?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is professional engineering advice needed?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "maintain",
        "name": "Maintain",
        "description": "Maintenance and safety.",
        "rationale": "Operations.",
        "layers": [
          {
            "id": "maintenance",
            "name": "Maintenance",
            "description": "Maintenance.",
            "findings": [
              {
                "id": "maintenance-finding",
                "name": "Maintenance",
                "description": "Maintenance.",
                "questions": [
                  {
                    "text": "How are transport structures inspected and maintained, and what causes failures?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is a structural emergency present now?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "heritage",
            "name": "Heritage",
            "description": "Heritage.",
            "findings": [
              {
                "id": "heritage-finding",
                "name": "Heritage",
                "description": "Heritage.",
                "questions": [
                  {
                    "text": "Which transport structures are protected as heritage, and how are they conserved?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits a specific heritage structure?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "learn",
        "name": "Learn",
        "description": "History and teaching.",
        "rationale": "Education.",
        "layers": [
          {
            "id": "history",
            "name": "History",
            "description": "History.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How did transport infrastructure develop from Roman roads to modern networks?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "teach",
            "name": "Teach",
            "description": "Teaching.",
            "findings": [
              {
                "id": "teach-finding",
                "name": "Teach",
                "description": "Teaching.",
                "questions": [
                  {
                    "text": "How can transport infrastructure be taught in civil engineering?",
                    "kind": "action"
                  },
                  {
                    "text": "Which misconceptions arise?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each mode be a separate entry?",
    "How should infrastructure registers be linked?",
    "How should engineering standards be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}