{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T06:04:02Z",
    "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": "2026-10-06T07:09:04+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:54+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q149491",
    "registryId": "vr.tr.pent-roof",
    "name": "pent roof",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q149491/",
  "model": {
    "registry_id": "vr.tr.pent-roof",
    "name": "pent roof",
    "purpose": "Let an agent explain pent roofs and their forms, relay construction, drainage and design considerations from building sources, describe historical and modern uses, and distinguish pent roofs from gable, hip, flat and other roof types.",
    "definition": "A roof with a single sloping surface, also called a shed, lean-to, mono-pitch or skillion roof, that rises from one wall to a higher opposite wall, used on lean-to extensions, porches, outbuildings, industrial sheds and modern houses, and in traditional architecture as a small roof over a door, window or lower storey attached to a wall; pent roofs are simple to build and drain to one side, and the term pentice or penthouse historically named such an attached roof.",
    "what_it_is_for": "Covering a building with a single slope.",
    "affordances": [
      "explain forms",
      "relay construction and drainage",
      "describe uses",
      "distinguish from other roofs"
    ],
    "distinguishing_features": [
      "Single slope",
      "One high and one low wall",
      "Simple construction",
      "Attached or freestanding"
    ],
    "appearance": "A single sloping roof plane running from a high wall to a low wall.",
    "visual_identification": [
      "Single-slope roof",
      "Lean-to roofs, skillion roofs, mono-pitch roofs, pentice roofs over doors",
      "A gable has two slopes; a hip has four; a flat roof has minimal slope"
    ],
    "physical_properties": [
      {
        "quantity": "typical pitch",
        "typical_range": "about 5-30",
        "unit": "degrees",
        "note": ""
      },
      {
        "quantity": "drainage",
        "typical_range": "one eave",
        "unit": "note",
        "note": "single gutter side"
      }
    ],
    "families_and_kinds": [
      "lean-to roofs on extensions and outbuildings",
      "skillion and mono-pitch roofs on modern houses",
      "industrial saw-tooth roofs made of repeated pent sections",
      "pentice roofs over doors and windows",
      "catslide and other asymmetric variants"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "pitched roof",
        "why": "in registry terms"
      },
      {
        "relation": "is used on",
        "target": "lean-to",
        "why": "structures"
      },
      {
        "relation": "is contrasted with",
        "target": "gable roof",
        "why": "with two slopes"
      },
      {
        "relation": "is related to",
        "target": "penthouse",
        "why": "in its original sense of an attached roof"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Building codes on roof pitch, drainage and snow load",
      "Planning rules for extensions"
    ],
    "failure_modes_and_hazards": [
      "Water pooling at low pitch",
      "Snow load on single-slope roofs",
      "Confusing pent, shed and flat roofs"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe pent roofs, their uses and typical pitches from building sources.",
        "Note general drainage and snow load considerations for single-slope roofs."
      ],
      "must_not": [
        "Give site-specific structural or pitch specifications without a qualified designer.",
        "Advise working on a roof without fall protection.",
        "Confuse pent, shed and flat roofs in building descriptions."
      ],
      "requires_human": [
        "Approving roof designs, loads or alterations.",
        "Any work at height on a roof."
      ]
    },
    "ethics": {
      "considerations": [
        "Roof failures under snow or water endanger occupants.",
        "Falls from roofs are a leading cause of building site deaths."
      ],
      "affected_parties": [
        "Occupants",
        "Roofers and builders",
        "Neighbours"
      ]
    },
    "owners": {
      "steward": "The building owner, under local building regulations.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q149491: pent roof",
      "url": "https://www.wikidata.org/wiki/Q149491",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Shed roof",
      "url": "https://en.wikipedia.org/wiki/Shed_roof",
      "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 pent roof is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is a pent roof, and how does it differ from gable, hip and flat roofs?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about pent roofs in general, a variant or another roof type?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "forms",
            "name": "Forms",
            "description": "Forms.",
            "findings": [
              {
                "id": "forms-finding",
                "name": "Forms",
                "description": "Forms.",
                "questions": [
                  {
                    "text": "What are lean-to, skillion, mono-pitch, saw-tooth and pentice roofs?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific form?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "build",
        "name": "Build",
        "description": "Construction.",
        "rationale": "Practice.",
        "layers": [
          {
            "id": "construction",
            "name": "Construction",
            "description": "Construction.",
            "findings": [
              {
                "id": "construction-finding",
                "name": "Construction",
                "description": "Construction.",
                "questions": [
                  {
                    "text": "How are pent roofs framed, pitched, covered and drained?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "design",
            "name": "Design",
            "description": "Design considerations.",
            "findings": [
              {
                "id": "design-finding",
                "name": "Design",
                "description": "Design.",
                "questions": [
                  {
                    "text": "How do pitch, orientation, insulation and solar panels affect pent roof design?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "use",
        "name": "Use",
        "description": "Uses.",
        "rationale": "Application.",
        "layers": [
          {
            "id": "buildings",
            "name": "Buildings",
            "description": "Buildings.",
            "findings": [
              {
                "id": "buildings-finding",
                "name": "Buildings",
                "description": "Buildings.",
                "questions": [
                  {
                    "text": "Where are pent roofs used, from extensions and sheds to industrial and modern houses?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the specific building type?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "historic",
            "name": "Historic",
            "description": "Historic uses.",
            "findings": [
              {
                "id": "historic-finding",
                "name": "Historic",
                "description": "Historic.",
                "questions": [
                  {
                    "text": "How were pentice roofs used in medieval and vernacular architecture?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits vernacular architecture?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Context.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "language",
            "name": "Language",
            "description": "Names.",
            "findings": [
              {
                "id": "language-finding",
                "name": "Language",
                "description": "Language.",
                "questions": [
                  {
                    "text": "Why is the roof called pent, shed, skillion or lean-to in different regions, and how did penthouse change meaning?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits roof terminology?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "comparison",
            "name": "Comparison",
            "description": "Comparison.",
            "findings": [
              {
                "id": "comparison-finding",
                "name": "Comparison",
                "description": "Comparison.",
                "questions": [
                  {
                    "text": "How do pent roofs compare with other roof forms in cost, performance and appearance?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits roof?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should skillion roof and pentice be separate entries?",
    "How should building sources be linked?",
    "How should regional names be recorded?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}