{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-14T01:11:03Z",
    "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": "2026-10-06T07:42:34+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:55+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q1822908",
    "registryId": "vr.tr.snow-fort",
    "name": "snow fort",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q1822908/",
  "model": {
    "registry_id": "vr.tr.snow-fort",
    "name": "snow fort",
    "purpose": "Let an agent explain snow forts, relay construction approaches, play traditions and safety guidance from outdoor recreation and child safety sources, route collapse emergencies, and distinguish snow forts from igloos, quinzhees, snow caves as survival shelters and snowmen.",
    "definition": "A structure built from snow, usually by children for play, ranging from simple walls for snowball fights to enclosed forts made of packed snow blocks, related to quinzhees and igloos; building snow forts is a common winter activity, but tunnels and enclosed snow structures can collapse and trap or suffocate people, especially children, and snow piles beside roads are dangerous because of snowploughs, so safety sources advise adult supervision, avoiding tunnels and never building near roads.",
    "what_it_is_for": "Winter play.",
    "affordances": [
      "explain construction approaches",
      "relay play traditions",
      "relay safety guidance",
      "route collapse emergencies"
    ],
    "distinguishing_features": [
      "Play structure",
      "Packed snow",
      "Temporary",
      "Collapse risk"
    ],
    "appearance": "Walls or enclosures of packed snow blocks in yards and parks.",
    "visual_identification": [
      "Snow structure built for play",
      "Snow fort",
      "Igloos are domed shelters of snow blocks; quinzhees are hollowed snow piles; snow caves are survival shelters; snowmen are figures"
    ],
    "physical_properties": [
      {
        "quantity": "safe snow wall height",
        "typical_range": "kept low for children",
        "unit": "note",
        "note": "per safety advice"
      },
      {
        "quantity": "suffocation risk",
        "typical_range": "enclosed snow collapse",
        "unit": "note",
        "note": ""
      },
      {
        "quantity": "registry parent",
        "typical_range": "snow or ice construction",
        "unit": "note",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "snowball walls",
      "block forts",
      "tunnel forts"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "snow or ice construction",
        "why": "in registry terms"
      },
      {
        "relation": "is used in",
        "target": "snowball fight",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "igloo",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "quinzhee",
        "why": ""
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Child safety guidance from paediatric and public safety bodies"
    ],
    "failure_modes_and_hazards": [
      "Collapse and suffocation",
      "Snowplough accidents near roads",
      "Hypothermia"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain how children can build and play in snow forts more safely.",
        "Warn about collapse risk and the danger of building near roads and snowploughs.",
        "Remind supervising adults to check on children in enclosed snow structures."
      ],
      "must_not": [
        "Encourage children to dig tunnels or enclosed forts without adult supervision.",
        "Suggest building forts in snowbanks along roads or driveways where ploughs operate.",
        "Leave a child alone inside an enclosed snow structure.",
        "Damage or knock down a fort while someone may be inside."
      ],
      "requires_human": [
        "Deciding whether an enclosed fort is safe enough for children to enter."
      ]
    },
    "ethics": {
      "considerations": [
        "Children have suffocated when snow forts and tunnels collapsed, so playful framing must not hide the risk.",
        "Winter play is good for children, and safety advice should not be used to forbid it."
      ],
      "affected_parties": [
        "Children",
        "Parents and carers",
        "Snowplough drivers"
      ]
    },
    "owners": {
      "steward": "The children who build it and the adults who supervise them.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q1822908: snow fort",
      "url": "https://www.wikidata.org/wiki/Q1822908",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Snow fort",
      "url": "https://en.wikipedia.org/wiki/Snow_fort",
      "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 snow fort is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "Has a snow fort or tunnel collapsed on someone, in which case call emergency services and dig quickly around the face to clear the airway?",
                    "kind": "boundary"
                  },
                  {
                    "text": "What is a snow fort, and how does it differ from igloos, quinzhees, snow caves and snowmen?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "types",
            "name": "Types",
            "description": "Types.",
            "findings": [
              {
                "id": "types-finding",
                "name": "Types",
                "description": "Types.",
                "questions": [
                  {
                    "text": "What are snowball walls, block forts and tunnel forts?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific structure?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "building",
        "name": "Building",
        "description": "Building.",
        "rationale": "Sources.",
        "layers": [
          {
            "id": "blocks",
            "name": "Blocks",
            "description": "Snow blocks.",
            "findings": [
              {
                "id": "blocks-finding",
                "name": "Blocks",
                "description": "Blocks.",
                "questions": [
                  {
                    "text": "How are snow blocks packed with moulds or bins?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "snow",
            "name": "Snow type",
            "description": "Snow quality.",
            "findings": [
              {
                "id": "snow-finding",
                "name": "Snow type",
                "description": "Snow type.",
                "questions": [
                  {
                    "text": "Why does wet packing snow build better walls?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "safety",
        "name": "Safety",
        "description": "Safety.",
        "rationale": "Regulation.",
        "layers": [
          {
            "id": "tunnels",
            "name": "Tunnels",
            "description": "Tunnel dangers.",
            "findings": [
              {
                "id": "tunnels-finding",
                "name": "Tunnels",
                "description": "Tunnels.",
                "questions": [
                  {
                    "text": "Why do safety agencies warn against snow tunnels?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the information current?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "roads",
            "name": "Roads",
            "description": "Roadside snow.",
            "findings": [
              {
                "id": "roads-finding",
                "name": "Roads",
                "description": "Roads.",
                "questions": [
                  {
                    "text": "Why should forts not be built in roadside snowbanks?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits snowplough?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Culture.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "play",
            "name": "Play",
            "description": "Winter play.",
            "findings": [
              {
                "id": "play-finding",
                "name": "Play",
                "description": "Play.",
                "questions": [
                  {
                    "text": "How do snow forts feature in winter play traditions and festivals?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits snowball fight?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "shelters",
            "name": "Shelters",
            "description": "Survival shelters.",
            "findings": [
              {
                "id": "shelters-finding",
                "name": "Shelters",
                "description": "Shelters.",
                "questions": [
                  {
                    "text": "How do survival snow shelters differ in purpose and training requirements?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the presentation neutral and attributed?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should snow fort competitions be documented?",
    "How should child safety guidance be linked?",
    "Should quinzhees be linked as separate entries?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}