{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T04:55:41Z",
    "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": "2026-10-06T10:00:00Z",
      "ingestedAt": "2026-10-06T07:08:14+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-06T22:42:20+00:00",
        "engine": "codex",
        "fields": [
          "agent_conduct",
          "definition",
          "distinguishing_features",
          "ethics",
          "failure_modes_and_hazards",
          "owners",
          "purpose",
          "visual_identification"
        ],
        "answering_review": "a46761606a7f025e820842fa36798119fb628742f4436f7875a322c2dc7bfb08"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:28+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q2067582",
    "registryId": "vr.tr.apron-q2067582",
    "name": "apron",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q2067582/",
  "model": {
    "registry_id": "vr.tr.apron-q2067582",
    "name": "apron",
    "purpose": "Let an agent explain the stage apron, identify its relationship to the proscenium and auditorium, describe its performance uses and safety constraints, and distinguish it from other senses of apron.",
    "definition": "In theatre, the part of a stage that extends past the proscenium opening towards the auditorium, bringing the performance area forward of the proscenium.",
    "what_it_is_for": "Parking and servicing aircraft.",
    "affordances": [
      "explain function and layout",
      "relay design and markings",
      "describe ground handling",
      "distinguish other senses"
    ],
    "distinguishing_features": [
      "The apron extends towards the auditorium beyond the proscenium opening.",
      "It forms part of the stage performance area.",
      "Its dimensions and configuration depend on the venue.",
      "It brings performers closer to the audience."
    ],
    "appearance": "A wide paved area with aircraft stands, markings and service vehicles beside the terminal.",
    "visual_identification": [
      "The apron is the stage area projecting beyond the proscenium towards the audience.",
      "Its location is identified relative to the proscenium opening and auditorium.",
      "An airport apron, a dam apron and a protective garment are separate senses."
    ],
    "physical_properties": [
      {
        "quantity": "typical stand size for a narrow-body",
        "typical_range": "about 45 x 50",
        "unit": "m",
        "note": "varies"
      },
      {
        "quantity": "pavement",
        "typical_range": "concrete or asphalt",
        "unit": "material",
        "note": "designed for static loads"
      }
    ],
    "families_and_kinds": [
      "terminal aprons with contact stands",
      "remote aprons with bus boarding",
      "cargo aprons",
      "general aviation and hangar aprons",
      "de-icing aprons",
      "military aircraft parking aprons"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "built structure",
        "why": "in registry terms"
      },
      {
        "relation": "is part of",
        "target": "airport",
        "why": "airside"
      },
      {
        "relation": "is connected to",
        "target": "taxiway",
        "why": "and runways"
      },
      {
        "relation": "is contrasted with",
        "target": "apron (clothing)",
        "why": "a homonym"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "ICAO Annex 14 aerodrome design standards",
      "National regulations such as FAA advisory circulars and EASA rules",
      "Apron safety and ground handling standards such as IATA IGOM"
    ],
    "failure_modes_and_hazards": [
      "Falls can occur at an unprotected stage edge.",
      "Obstructions can create trip hazards for performers and staff.",
      "Unverified loading or configuration changes can endanger people on or near the apron.",
      "Confusing a stage apron with an airport apron leads to irrelevant guidance."
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe the stage apron and its relationship to the proscenium and auditorium from venue documentation.",
        "Explain performance uses and venue safety policies in general terms.",
        "Report documented access restrictions and hazards to authorised venue staff."
      ],
      "must_not": [
        "Enter or operate equipment on the apron without venue authorisation.",
        "Approve structural safety or configuration changes in place of qualified personnel.",
        "Ignore reported stage-edge hazards, obstructions or structural damage.",
        "Confuse a stage apron with an airport apron or garment."
      ],
      "requires_human": [
        "Approving changes to the apron structure, loading or configuration.",
        "Deciding whether an apron is safe for use during a performance."
      ]
    },
    "ethics": {
      "considerations": [
        "Stage-edge and structural hazards can injure performers, staff and nearby audience members.",
        "Access arrangements should account for performers and staff with disabilities."
      ],
      "affected_parties": [
        "Performers use the apron.",
        "Stage crews and venue staff work on or near the apron.",
        "Audience members may sit near the apron.",
        "Performers and staff with disabilities are affected by access arrangements."
      ]
    },
    "owners": {
      "steward": "The theatre or venue owner or operator, with authorised stage management responsible for performance use.",
      "master_systems": [
        "Venue plans and technical records document the apron.",
        "Venue inspection and maintenance records document its condition."
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q2067582: apron",
      "url": "https://www.wikidata.org/wiki/Q2067582",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Apron stage",
      "url": "https://en.wikipedia.org/wiki/Apron_stage",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What an apron is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is an airport apron, and how does it differ from runways, taxiways and gates?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about the airport apron, a hangar apron, a stage apron, a dam apron or the garment?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "layout",
            "name": "Layout",
            "description": "Layout.",
            "findings": [
              {
                "id": "layout-finding",
                "name": "Layout",
                "description": "Layout.",
                "questions": [
                  {
                    "text": "How are aprons laid out with stands, service roads and markings?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific element?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "operate",
        "name": "Operate",
        "description": "Operations.",
        "rationale": "Practice.",
        "layers": [
          {
            "id": "handling",
            "name": "Handling",
            "description": "Ground handling.",
            "findings": [
              {
                "id": "handling-finding",
                "name": "Handling",
                "description": "Handling.",
                "questions": [
                  {
                    "text": "What happens on the apron during turnaround, from marshalling to refuelling and loading?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "control",
            "name": "Control",
            "description": "Apron control.",
            "findings": [
              {
                "id": "control-finding",
                "name": "Control",
                "description": "Control.",
                "questions": [
                  {
                    "text": "How is movement on the apron controlled, and who is responsible?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "design",
        "name": "Design",
        "description": "Design and safety.",
        "rationale": "Regulation.",
        "layers": [
          {
            "id": "standards",
            "name": "Standards",
            "description": "Design standards.",
            "findings": [
              {
                "id": "standards-finding",
                "name": "Standards",
                "description": "Standards.",
                "questions": [
                  {
                    "text": "What ICAO and national standards govern apron design, pavement and markings?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits ICAO Annex 14?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "safety",
            "name": "Safety",
            "description": "Safety.",
            "findings": [
              {
                "id": "safety-finding",
                "name": "Safety",
                "description": "Safety.",
                "questions": [
                  {
                    "text": "What are the main apron hazards, and how are they managed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits ramp safety?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Other senses and history.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "senses",
            "name": "Senses",
            "description": "Other senses.",
            "findings": [
              {
                "id": "senses-finding",
                "name": "Senses",
                "description": "Senses.",
                "questions": [
                  {
                    "text": "What are the stage apron, the dam apron and the garment apron?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the specific sense?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "history",
            "name": "History",
            "description": "History.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How did aprons develop with airport growth and jet operations?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the history of airports?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should aircraft stand and ground handling be separate entries?",
    "How should aviation standards be linked?",
    "How should the other senses of apron be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}