{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T19:51:38Z",
    "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": "2026-10-06T00:10:00Z",
      "ingestedAt": "2026-10-05T20:57:14+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:52:02+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q858485",
    "registryId": "vr.tr.high-speed-railway-line",
    "name": "high-speed railway line",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q858485/",
  "model": {
    "registry_id": "vr.tr.high-speed-railway-line",
    "name": "high-speed railway line",
    "purpose": "Let an agent identify a high-speed line and its standard, relay speeds, length, operators and safety systems from official sources, and separate high-speed lines from conventional main lines and from the trains that use them.",
    "definition": "A railway line built or upgraded for trains running at high speed, in international practice at least 250 km/h on new lines or 200 km/h on upgraded lines, with dedicated track geometry, signalling, power supply and grade separation; examples include the Japanese Shinkansen, French LGV, Chinese, Spanish and German networks.",
    "what_it_is_for": "Carrying passenger trains at high speed between cities.",
    "affordances": [
      "identify the line, its standard and operator",
      "relay design speed, length and opening dates",
      "explain infrastructure requirements",
      "route service and ticket questions to operators"
    ],
    "distinguishing_features": [
      "Built for sustained speeds above 200 or 250 km/h",
      "Grade separated, no level crossings",
      "Cab signalling and train control",
      "Dedicated or mixed traffic by design"
    ],
    "appearance": "A straight, gently curved, fenced double track without level crossings, with overhead electrification and long viaducts and tunnels.",
    "visual_identification": [
      "No level crossings, wide curves, overhead power",
      "Dedicated high-speed signalling such as ETCS or ATC",
      "Upgraded conventional lines and the trains themselves are separate matters"
    ],
    "physical_properties": [
      {
        "quantity": "design speed",
        "typical_range": "200-350",
        "unit": "km/h",
        "note": "by line"
      },
      {
        "quantity": "minimum curve radius",
        "typical_range": "about 4000-7000",
        "unit": "m",
        "note": "for 300 km/h and above"
      },
      {
        "quantity": "length",
        "typical_range": "tens to thousands",
        "unit": "km",
        "note": "by line and network"
      }
    ],
    "families_and_kinds": [
      "new dedicated lines such as LGV and Shinkansen",
      "upgraded conventional lines",
      "mixed passenger and freight high-speed lines",
      "maglev lines as a separate technology",
      "national networks by country"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "railway line",
        "why": "a main line built for speed"
      },
      {
        "relation": "carries",
        "target": "high-speed train",
        "why": "the rolling stock"
      },
      {
        "relation": "is regulated by",
        "target": "railway safety authority",
        "why": "standards and authorisation"
      },
      {
        "relation": "is confused with",
        "target": "maglev",
        "why": "a different technology"
      }
    ],
    "identifiers": [
      {
        "scheme": "line name or code",
        "value_or_pattern": "operator naming",
        "note": "such as LGV Sud-Est"
      },
      {
        "scheme": "UIC and national line numbers",
        "value_or_pattern": "numeric",
        "note": "infrastructure registers"
      }
    ],
    "standards_and_regulation": [
      "UIC definitions of high-speed rail",
      "EU technical specifications for interoperability",
      "National railway safety regulations",
      "Environmental assessment law for construction"
    ],
    "failure_modes_and_hazards": [
      "Derailment at speed",
      "Earthquake and weather disruption",
      "Cost overruns and delays in construction",
      "Noise and land-take impacts"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Report route, speeds and services from operators and infrastructure managers.",
        "Explain technical standards for high-speed lines in general terms."
      ],
      "must_not": [
        "Direct anyone onto high-speed track or into restricted areas.",
        "Interfere with signalling or train control systems.",
        "Present projected routes as decided when they are not.",
        "Understate noise and land-take impacts on communities."
      ],
      "requires_human": [
        "Route planning and land acquisition decisions.",
        "Operational changes to signalling or speeds."
      ]
    },
    "ethics": {
      "considerations": [
        "Trains at high speed leave no margin for people on the line.",
        "New lines displace homes and divide communities and habitats."
      ],
      "affected_parties": [
        "Passengers",
        "Communities along the route",
        "Track workers"
      ]
    },
    "owners": {
      "steward": "The infrastructure manager; national railway authorities license lines and operators.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q858485: high-speed railway line",
      "url": "https://www.wikidata.org/wiki/Q858485",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: High-speed railway line",
      "url": "https://en.wikipedia.org/wiki/High-speed_railway_line",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "identify",
        "name": "Identify",
        "description": "Which line.",
        "rationale": "Identity.",
        "layers": [
          {
            "id": "which",
            "name": "Which",
            "description": "Line and standard.",
            "findings": [
              {
                "id": "which-finding",
                "name": "Which",
                "description": "Which.",
                "questions": [
                  {
                    "text": "Which line is meant, what standard defines it as high-speed, and who owns and operates it?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is it a high-speed line, an upgraded line or a maglev?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "facts",
            "name": "Facts",
            "description": "Key figures.",
            "findings": [
              {
                "id": "facts-finding",
                "name": "Facts",
                "description": "Facts.",
                "questions": [
                  {
                    "text": "What are the design speed, length, opening dates and stations?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Which official source gives them?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "engineering",
        "name": "Engineering",
        "description": "Infrastructure.",
        "rationale": "Engineering.",
        "layers": [
          {
            "id": "track",
            "name": "Track",
            "description": "Track and structures.",
            "findings": [
              {
                "id": "track-finding",
                "name": "Track",
                "description": "Track.",
                "questions": [
                  {
                    "text": "What track geometry, structures and power supply does high speed require?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits railway electrification?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "control",
            "name": "Control",
            "description": "Signalling.",
            "findings": [
              {
                "id": "control-finding",
                "name": "Control",
                "description": "Control.",
                "questions": [
                  {
                    "text": "Which train control and signalling systems are used?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits train control systems?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "operate",
        "name": "Operate",
        "description": "Services and safety.",
        "rationale": "Operation.",
        "layers": [
          {
            "id": "services",
            "name": "Services",
            "description": "Services.",
            "findings": [
              {
                "id": "services-finding",
                "name": "Services",
                "description": "Services.",
                "questions": [
                  {
                    "text": "Which services and operators use the line, and where are timetables published?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the user asking about a journey now, which needs operator data?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "safety",
            "name": "Safety",
            "description": "Safety.",
            "findings": [
              {
                "id": "safety-finding",
                "name": "Safety",
                "description": "Safety.",
                "questions": [
                  {
                    "text": "What safety rules and records apply, and how are hazards such as earthquakes handled?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits railway safety?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Planning and history.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "planning",
            "name": "Planning",
            "description": "Planning and cost.",
            "findings": [
              {
                "id": "planning-finding",
                "name": "Planning",
                "description": "Planning.",
                "questions": [
                  {
                    "text": "How are lines planned, assessed and financed, with debates attributed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the presentation neutral?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "history",
            "name": "History",
            "description": "History.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How did high-speed rail develop from the Shinkansen onward?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each line be a separate entry?",
    "How should infrastructure registers be linked?",
    "The registry entry has merged aliases for a maglev test line; should it be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}