{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T06:38:56Z",
    "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": "2026-10-06T07:09:36+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-06T22:36:26+00:00",
        "engine": "codex",
        "fields": [
          "definition"
        ],
        "answering_review": "5d435ed10d1365257c437da5980fd16d594be2d988a37c448d2d7531fb2cbb62"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:26+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q1627026",
    "registryId": "vr.tr.quonset-hut",
    "name": "Quonset hut",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q1627026/",
  "model": {
    "registry_id": "vr.tr.quonset-hut",
    "name": "Quonset hut",
    "purpose": "Let an agent explain the Quonset hut and its design, relay history, variants and post-war uses from heritage and military history sources, describe surviving examples and modern descendants, and distinguish the Quonset hut from the Nissen hut and other arched steel buildings.",
    "definition": "A lightweight prefabricated structure of corrugated galvanised steel with a semicircular cross-section, developed by the United States Navy in 1941 at Quonset Point, Rhode Island, as an adaptation of the British Nissen hut, with approximately 150,000 to 170,000 huts produced during the Second World War for barracks, storage and workshops and afterwards sold as surplus for housing, farms, churches and businesses; the Quonset hut became an icon of post-war America and survives in many places as a heritage and vernacular building type.",
    "what_it_is_for": "Quick prefabricated shelter.",
    "affordances": [
      "explain design",
      "relay history and variants",
      "describe post-war uses",
      "distinguish related huts"
    ],
    "distinguishing_features": [
      "Semicircular section",
      "Corrugated steel on arched ribs",
      "Rapid assembly",
      "Post-war icon"
    ],
    "appearance": "A half-cylinder of corrugated steel with flat end walls, doors and windows.",
    "visual_identification": [
      "Semicircular corrugated steel hut of US origin",
      "Quonset huts of 20 by 48 feet and larger, post-war houses and businesses",
      "The Nissen hut is the British predecessor; modern arch steel buildings are descendants"
    ],
    "physical_properties": [
      {
        "quantity": "developed",
        "typical_range": "1941",
        "unit": "year",
        "note": "Quonset Point, Rhode Island"
      },
      {
        "quantity": "standard size",
        "typical_range": "20 by 48",
        "unit": "feet",
        "note": "also 40 by 100"
      },
      {
        "quantity": "wartime production",
        "typical_range": "about 150000-170000",
        "unit": "count",
        "note": "estimates"
      }
    ],
    "families_and_kinds": [
      "wartime Quonset huts",
      "post-war surplus huts as housing",
      "Quonset huts as churches, shops and diners",
      "agricultural Quonset buildings",
      "modern arch steel buildings descended from the design",
      "heritage-listed examples"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "shed",
        "why": "in registry terms"
      },
      {
        "relation": "was adapted from",
        "target": "Nissen hut",
        "why": "the British design"
      },
      {
        "relation": "was developed by",
        "target": "United States Navy",
        "why": "in 1941"
      },
      {
        "relation": "became",
        "target": "vernacular architecture",
        "why": "in post-war America"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Heritage listing for surviving huts",
      "Building codes for reuse and modern arch buildings"
    ],
    "failure_modes_and_hazards": [
      "Corrosion and insulation problems",
      "Confusing Quonset and Nissen huts",
      "Loss of surviving examples"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe the Quonset hut, its origins and how it differs from the Nissen hut.",
        "Inspect and report corrosion, leaks and insulation problems for its owner."
      ],
      "must_not": [
        "Recommend a corroded or uninsulated hut as housing without repair.",
        "Confuse Quonset and Nissen huts in records.",
        "Remove or alter a surviving historic example without checking its heritage status."
      ],
      "requires_human": [
        "Demolishing or relocating a hut."
      ]
    },
    "ethics": {
      "considerations": [
        "Many huts housed veterans and poor families after the war; their history deserves respect.",
        "Surviving examples are being lost, and with them a piece of shared history."
      ],
      "affected_parties": [
        "Occupants",
        "Heritage communities"
      ]
    },
    "owners": {
      "steward": "The owner of the site; heritage authorities where a hut is listed.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q1627026: Quonset hut",
      "url": "https://www.wikidata.org/wiki/Q1627026",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Quonset hut",
      "url": "https://en.wikipedia.org/wiki/Quonset_hut",
      "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 Quonset hut is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition and design.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is a Quonset hut, how is it built, and how does it differ from the Nissen hut?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about the Quonset hut, the Nissen hut or a modern arch building?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "variants",
            "name": "Variants",
            "description": "Variants.",
            "findings": [
              {
                "id": "variants-finding",
                "name": "Variants",
                "description": "Variants.",
                "questions": [
                  {
                    "text": "What sizes and variants were produced, and how were they fitted out?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific variant?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "history",
        "name": "History",
        "description": "History.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "war",
            "name": "War",
            "description": "Wartime.",
            "findings": [
              {
                "id": "war-finding",
                "name": "War",
                "description": "War.",
                "questions": [
                  {
                    "text": "How was the Quonset hut developed and used in the Second World War, as historians describe?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "postwar",
            "name": "Post-war",
            "description": "Post-war life.",
            "findings": [
              {
                "id": "postwar-finding",
                "name": "Post-war",
                "description": "Post-war.",
                "questions": [
                  {
                    "text": "How did surplus huts become homes, churches and businesses, and how did they enter popular culture?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "heritage",
        "name": "Heritage",
        "description": "Heritage.",
        "rationale": "Sources.",
        "layers": [
          {
            "id": "surviving",
            "name": "Surviving",
            "description": "Surviving huts.",
            "findings": [
              {
                "id": "surviving-finding",
                "name": "Surviving",
                "description": "Surviving.",
                "questions": [
                  {
                    "text": "Where do Quonset huts survive, and which are protected?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the specific site?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "reuse",
            "name": "Reuse",
            "description": "Reuse today.",
            "findings": [
              {
                "id": "reuse-finding",
                "name": "Reuse",
                "description": "Reuse.",
                "questions": [
                  {
                    "text": "How are Quonset huts and their modern descendants used today?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits arch steel building?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Context.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "prefab",
            "name": "Prefab",
            "description": "Prefabrication.",
            "findings": [
              {
                "id": "prefab-finding",
                "name": "Prefab",
                "description": "Prefab.",
                "questions": [
                  {
                    "text": "How does the Quonset hut fit into the history of prefabricated buildings?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits prefabricated building?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "culture",
            "name": "Culture",
            "description": "Culture.",
            "findings": [
              {
                "id": "culture-finding",
                "name": "Culture",
                "description": "Culture.",
                "questions": [
                  {
                    "text": "How do Quonset huts appear in film, art and memory?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits American vernacular architecture?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should the Nissen hut be linked as the primary predecessor?",
    "How should heritage sources be linked?",
    "How should surviving examples be recorded?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
