{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-14T02:35:30Z",
    "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": "2026-10-06T11:00:00Z",
      "ingestedAt": "2026-10-06T07:42:42+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:52:00+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q44377",
    "registryId": "vr.tr.tunnel",
    "name": "tunnel",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q44377/",
  "model": {
    "registry_id": "vr.tr.tunnel",
    "name": "tunnel",
    "purpose": "Let an agent explain tunnels, relay construction methods, types, safety and notable examples from civil engineering sources, describe the named forms and flag figurative aliases, route tunnel emergencies, and distinguish tunnels from bridges, cuttings, culverts and caves.",
    "definition": "An underground passage bored through soil or rock, or under water, for roads, railways, canals, pedestrians, utilities or mining, distinct from a bridge or cutting, with forms and examples the registry aliases name such as Roman tunnels, international tunnels crossing borders, ski tunnels and, more loosely, the natural drive-through tree and the biological tunnel of aggression, which are figurative and appear misfiled; tunnels are built by drilling and blasting, tunnel boring machines or cut-and-cover, and require ventilation, drainage and fire safety, so users should follow signs and emergency procedures, and tunnel fires and floods are serious hazards.",
    "what_it_is_for": "Underground passage for transport, utilities or mining.",
    "affordances": [
      "explain construction methods and types",
      "relay safety",
      "describe named forms and flag figurative aliases",
      "route tunnel emergencies"
    ],
    "distinguishing_features": [
      "Enclosed passage",
      "Through ground or water",
      "Needs ventilation and safety",
      "Several construction methods"
    ],
    "appearance": "An enclosed passage through ground or under water, with portals, lighting and ventilation.",
    "visual_identification": [
      "Underground or underwater passage",
      "Drive-through tree, tunnel of aggression, Roman tunnel, tik-kuyu, international tunnel, ski tunnel",
      "Bridges span over obstacles; cuttings are open trenches; culverts carry water under roads; caves are natural"
    ],
    "physical_properties": [
      {
        "quantity": "methods",
        "typical_range": "drill and blast, tunnel boring machine, cut-and-cover",
        "unit": "list",
        "note": ""
      },
      {
        "quantity": "longest rail tunnel",
        "typical_range": "Gotthard Base Tunnel",
        "unit": "note",
        "note": "as reported"
      },
      {
        "quantity": "registry parents",
        "typical_range": "underground structure, thoroughfare",
        "unit": "note",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "road tunnels",
      "rail tunnels",
      "utility tunnels",
      "mining tunnels",
      "pedestrian tunnels"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "underground structure",
        "why": "in registry terms"
      },
      {
        "relation": "is built by",
        "target": "tunnel boring machine",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "bridge",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "cave",
        "why": ""
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Tunnel safety directives such as the EU Road Tunnel Safety Directive",
      "Ventilation and fire safety standards"
    ],
    "failure_modes_and_hazards": [
      "Tunnel fires",
      "Flooding and collapse",
      "Figurative aliases misfiled"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe a tunnel's route, length and use from official sources.",
        "Relay closures, height limits and safety instructions issued by the tunnel operator."
      ],
      "must_not": [
        "Route vehicles into a tunnel they are banned from, such as for height or dangerous goods.",
        "Direct people into closed tunnels, active rail tunnels or abandoned workings.",
        "Ignore fire or ventilation alarms reported by tunnel systems.",
        "Publish detailed security weaknesses of critical tunnels."
      ],
      "requires_human": [
        "Closing, reopening or evacuating a tunnel."
      ]
    },
    "ethics": {
      "considerations": [
        "Tunnel fires and floods can trap many people at once.",
        "Building tunnels carries real risks to workers and nearby buildings."
      ],
      "affected_parties": [
        "Road and rail users",
        "Tunnel workers",
        "Emergency responders"
      ]
    },
    "owners": {
      "steward": "The tunnel operator, usually a road, rail or utility authority.",
      "master_systems": [
        "Road and rail infrastructure registers"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q44377: tunnel",
      "url": "https://www.wikidata.org/wiki/Q44377",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Tunnel",
      "url": "https://en.wikipedia.org/wiki/Tunnel",
      "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 tunnel is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "Is there a fire, smoke, flood or breakdown in a tunnel, in which case follow emergency signs, use exits and call emergency services?",
                    "kind": "boundary"
                  },
                  {
                    "text": "What is a tunnel, and how does it differ from bridges, cuttings, culverts and caves?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "forms",
            "name": "Forms",
            "description": "Named forms.",
            "findings": [
              {
                "id": "forms-finding",
                "name": "Forms",
                "description": "Forms.",
                "questions": [
                  {
                    "text": "What are road, rail, utility and international tunnels, and why are the drive-through tree and tunnel of aggression different?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific form?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "construction",
        "name": "Construction",
        "description": "Construction.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "methods",
            "name": "Methods",
            "description": "Methods.",
            "findings": [
              {
                "id": "methods-finding",
                "name": "Methods",
                "description": "Methods.",
                "questions": [
                  {
                    "text": "How do drill-and-blast, boring machines and cut-and-cover build tunnels?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "geotech",
            "name": "Geotechnics",
            "description": "Ground conditions.",
            "findings": [
              {
                "id": "geotech-finding",
                "name": "Geotechnics",
                "description": "Geotechnics.",
                "questions": [
                  {
                    "text": "How do ground and water conditions affect tunnelling?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "safety",
        "name": "Safety",
        "description": "Safety.",
        "rationale": "Regulation.",
        "layers": [
          {
            "id": "fire",
            "name": "Fire",
            "description": "Fire and ventilation.",
            "findings": [
              {
                "id": "fire-finding",
                "name": "Fire",
                "description": "Fire.",
                "questions": [
                  {
                    "text": "How are tunnel fire safety and ventilation designed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the information current?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "emergency",
            "name": "Emergency",
            "description": "Emergency procedures.",
            "findings": [
              {
                "id": "emergency-finding",
                "name": "Emergency",
                "description": "Emergency.",
                "questions": [
                  {
                    "text": "What should tunnel users do in an emergency?",
                    "kind": "action"
                  },
                  {
                    "text": "Which entry fits tunnel safety?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Notable tunnels.",
        "rationale": "Sources.",
        "layers": [
          {
            "id": "examples",
            "name": "Examples",
            "description": "Notable tunnels.",
            "findings": [
              {
                "id": "examples-finding",
                "name": "Examples",
                "description": "Examples.",
                "questions": [
                  {
                    "text": "What are notable tunnels such as the Gotthard Base and Channel Tunnels?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits Channel Tunnel?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "history",
            "name": "History",
            "description": "History.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How did tunnelling develop from Roman times?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the presentation neutral and attributed?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "The figurative aliases drive-through tree and tunnel of aggression should be reviewed",
    "Should mining tunnels be a separate entry?",
    "How should tunnel safety standards be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}