{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T02:48:22Z",
    "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": "2026-10-05T23:55:00Z",
      "ingestedAt": "2026-10-05T20:56:48+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q532998",
    "registryId": "vr.tr.manhole",
    "name": "manhole",
    "version": "0.2.0-wave.2",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q532998/",
  "model": {
    "registry_id": "vr.tr.manhole",
    "name": "manhole",
    "purpose": "Let an agent explain manholes and their function and construction, describe safety rules for access and confined spaces, identify variants and uses, and support infrastructure and urban heritage questions.",
    "definition": "An opening, usually covered by a removable lid, that gives access for inspection, maintenance and entry to underground utilities such as sewers, drains, water mains, telecommunications and electrical ducts, typically connected to a chamber or shaft below street level, with variants including sanitary sewer manholes, elevated manholes and emergency manhole toilets used in disasters; manholes are part of urban infrastructure and are governed by construction, safety and confined space regulations.",
    "what_it_is_for": "Access openings to underground utilities.",
    "affordances": [
      "explain function and construction",
      "describe safety rules",
      "identify variants",
      "support infrastructure questions"
    ],
    "distinguishing_features": [
      "Access function",
      "Removable cover",
      "Confined space below",
      "Utility-specific"
    ],
    "appearance": "A round or square lid set into a road or pavement over a chamber.",
    "visual_identification": [
      "Covered access opening to underground utilities",
      "Chamber or shaft below",
      "A drain grate collects surface water; a latrine is a toilet"
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "sewer and sanitary manholes",
      "stormwater manholes",
      "utility and telecommunications manholes",
      "elevated manholes",
      "emergency manhole toilets"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "architectural element",
        "why": "category"
      },
      {
        "relation": "is a kind of",
        "target": "fixed construction",
        "why": "category"
      },
      {
        "relation": "is related to",
        "target": "latrine",
        "why": "sanitation alternatives"
      },
      {
        "relation": "is related to",
        "target": "electrical grid",
        "why": "underground cable access"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Manhole cover and chamber construction standards",
      "Confined space entry regulations",
      "Road safety rules for covers"
    ],
    "failure_modes_and_hazards": [
      "Falls through open or missing covers",
      "Toxic gases and oxygen deficiency in chambers",
      "Cover theft and road hazards"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Report missing, damaged or open manhole covers to the utility.",
        "Record manhole locations and condition for the utility that owns them."
      ],
      "must_not": [
        "Enter a manhole chamber or send a person in without gas testing, permits and a rescue plan.",
        "Leave a manhole open or unguarded.",
        "Open a manhole it is not authorized to access.",
        "Help steal covers or access underground utilities unlawfully."
      ],
      "requires_human": [
        "Confined space entry.",
        "Closing roads for manhole work."
      ]
    },
    "ethics": {
      "considerations": [
        "Workers die in chambers from toxic gases, and rescuers often die with them.",
        "Open manholes injure pedestrians and drivers."
      ],
      "affected_parties": [
        "Utility workers",
        "Pedestrians and drivers",
        "Rescuers"
      ]
    },
    "owners": {
      "steward": "The utility or road authority that owns the underground asset.",
      "master_systems": [
        "Utility asset registers"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q532998: manhole",
      "url": "https://www.wikidata.org/wiki/Q532998",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Manhole",
      "url": "https://en.wikipedia.org/wiki/Manhole",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What manholes are.",
        "rationale": "Infrastructure.",
        "layers": [
          {
            "id": "function",
            "name": "Function",
            "description": "Function and construction.",
            "findings": [
              {
                "id": "function-finding",
                "name": "Function",
                "description": "Function.",
                "questions": [
                  {
                    "text": "What are manholes for, and how are chambers, shafts, steps and covers constructed?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits a specific utility?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "variants",
            "name": "Variants",
            "description": "Variants.",
            "findings": [
              {
                "id": "variants-finding",
                "name": "Variants",
                "description": "Variants.",
                "questions": [
                  {
                    "text": "How do sewer, stormwater, utility and elevated manholes differ, and what are emergency manhole toilets?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits a specific variant?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "safety",
        "name": "Safety",
        "description": "Safety.",
        "rationale": "Regulation.",
        "layers": [
          {
            "id": "entry",
            "name": "Entry",
            "description": "Confined space entry.",
            "findings": [
              {
                "id": "entry-finding",
                "name": "Entry",
                "description": "Entry.",
                "questions": [
                  {
                    "text": "What confined space rules apply to entering manholes, according to safety regulators?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is someone in a manhole emergency now, requiring rescue services?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "public",
            "name": "Public",
            "description": "Public safety.",
            "findings": [
              {
                "id": "public-finding",
                "name": "Public",
                "description": "Public.",
                "questions": [
                  {
                    "text": "How are covers secured against falls, theft and road hazards?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits road maintenance?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "manage",
        "name": "Manage",
        "description": "Management.",
        "rationale": "Practice.",
        "layers": [
          {
            "id": "assets",
            "name": "Assets",
            "description": "Asset management.",
            "findings": [
              {
                "id": "assets-finding",
                "name": "Assets",
                "description": "Assets.",
                "questions": [
                  {
                    "text": "How are manholes recorded, inspected and maintained by utilities?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits utility asset management?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "report",
            "name": "Report",
            "description": "Reporting problems.",
            "findings": [
              {
                "id": "report-finding",
                "name": "Report",
                "description": "Reporting.",
                "questions": [
                  {
                    "text": "How can a damaged or missing cover be reported?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits a specific local authority?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "learn",
        "name": "Learn",
        "description": "History and culture.",
        "rationale": "Education.",
        "layers": [
          {
            "id": "history",
            "name": "History",
            "description": "History.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How did manholes develop with urban sewerage?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "culture",
            "name": "Culture",
            "description": "Covers as design.",
            "findings": [
              {
                "id": "culture-finding",
                "name": "Culture",
                "description": "Culture.",
                "questions": [
                  {
                    "text": "How have manhole covers become objects of design and collecting, such as in Japan?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which misconceptions arise?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should manhole covers be a separate entry?",
    "How should safety regulations be linked?",
    "How should utility asset registers be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}