{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-10-21T19:39:52Z",
    "providers": [
      "Claude"
    ],
    "breadth": "researched by Claude against the sources listed below",
    "pass": 2,
    "wave": 5,
    "engine": "claude",
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-21T19:58:08+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "4 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q13586691",
    "registryId": "vr.tr.ship-framing",
    "name": "ship framing",
    "version": "0.2.0-wave.5",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q13586691/",
  "model": {
    "registry_id": "vr.tr.ship-framing",
    "name": "ship framing",
    "purpose": "Let an agent describe a ship's framing system, its members and spacing, its role in structural strength and inspection, and point to classification rules.",
    "definition": "The system of frames (ribs) and associated members that shape and strengthen a ship's hull, arranged transversely, longitudinally or in combination; in wooden ships it includes floor timbers (wrangs) across the keel.",
    "what_it_is_for": "Giving the hull its shape and the strength to resist water pressure, cargo loads and waves.",
    "affordances": [
      "identify the framing system of a hull",
      "name framing members",
      "use frame numbers as location references",
      "point to classification rules and survey practice"
    ],
    "distinguishing_features": [
      "Transverse framing uses closely spaced ribs; longitudinal framing uses stiffeners running fore and aft with widely spaced web frames.",
      "Frames are internal structure, not the hull plating.",
      "Frame numbers give locations on board."
    ],
    "appearance": "Rows of ribs or stiffeners inside the hull, with floors across the bottom and stringers or longitudinals along the length.",
    "visual_identification": [
      "Regularly spaced frames along the inside of the hull",
      "Frame numbers marked on structure",
      "Floors across the bottom between keel and bilge"
    ],
    "physical_properties": [
      {
        "quantity": "transverse frame spacing",
        "typical_range": "0.5-1",
        "unit": "m",
        "note": "ordinary transverse frames of steel merchant ships; longitudinals and web frames are spaced differently"
      }
    ],
    "families_and_kinds": [
      "transverse framing",
      "longitudinal framing",
      "combined framing",
      "wooden ship framing with floors and futtocks",
      "web frames"
    ],
    "related_models": [
      {
        "relation": "is part of",
        "target": "ship hull",
        "why": "hull structure"
      },
      {
        "relation": "contains",
        "target": "floor (wrang)",
        "why": "the floor timber across the keel in wooden ships"
      },
      {
        "relation": "is confused with",
        "target": "hull plating",
        "why": "the outer shell"
      },
      {
        "relation": "is regulated by",
        "target": "classification society rules",
        "why": "structural requirements"
      }
    ],
    "identifiers": [
      {
        "scheme": "frame number",
        "value_or_pattern": "ship-specific",
        "note": "position reference along the hull"
      }
    ],
    "standards_and_regulation": [
      "IACS Common Structural Rules for bulk carriers and oil tankers, where applicable by type, size and date",
      "SOLAS Chapter II-1 construction requirements (IMO), where applicable"
    ],
    "failure_modes_and_hazards": [
      "Corrosion and fatigue cracking of frames",
      "Buckling under loads",
      "Structural failure leading to loss of the ship"
    ],
    "agent_conduct": {
      "may": [
        "describe framing systems and members",
        "point to rules and survey records"
      ],
      "must_not": [
        "declare a hull fit for service without a survey",
        "advise structural modifications without class approval"
      ],
      "requires_human": [
        "structural repairs and survey decisions"
      ]
    },
    "ethics": {
      "considerations": [
        "safety of crews and the marine environment"
      ],
      "affected_parties": [
        "crews and passengers",
        "shipowners"
      ]
    },
    "owners": {
      "steward": "the shipowner, under the oversight of the classification society and flag state",
      "master_systems": [
        "class survey records",
        "ship structural drawings"
      ]
    },
    "facets_not_applicable": {},
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": []
  },
  "sources": [
    {
      "id": "SRC-001",
      "title": "Q13586691",
      "publisher": "Wikidata",
      "url": "https://www.wikidata.org/wiki/Q13586691",
      "what_it_supports": "identity of the registry item, labels and sitelinks",
      "url_status": "live"
    },
    {
      "id": "SRC-002",
      "title": "Principles of Naval Engineering",
      "publisher": "US Navy (San Francisco Maritime National Park Association)",
      "url": "https://www.maritime.org/doc/pdf/engineering.pdf",
      "what_it_supports": "hull framing",
      "url_status": "live"
    },
    {
      "id": "SRC-003",
      "title": "Common Structural Rules",
      "publisher": "International Association of Classification Societies",
      "url": "https://iacs.org.uk/resolutions/common-structural-rules",
      "what_it_supports": "structural rules",
      "url_status": "live"
    },
    {
      "id": "SRC-004",
      "title": "Ship Design and Stability",
      "publisher": "International Maritime Organization",
      "url": "https://www.imo.org/en/ourwork/safety/pages/shipdesignandstability-default.aspx",
      "what_it_supports": "SOLAS construction",
      "url_status": "live"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "system",
        "name": "System",
        "description": "Which framing system.",
        "rationale": "System determines strength and inspection.",
        "layers": [
          {
            "id": "arrangement",
            "name": "Arrangement",
            "description": "Transverse, longitudinal, combined.",
            "findings": [
              {
                "id": "framing-system",
                "name": "Framing system",
                "description": "Arrangement and reasons.",
                "questions": [
                  {
                    "text": "Which framing system does the hull use?",
                    "kind": "definition"
                  },
                  {
                    "text": "Why was it chosen?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "members",
            "name": "Members",
            "description": "Frames, floors, stringers, longitudinals.",
            "findings": [
              {
                "id": "members",
                "name": "Members",
                "description": "Names and dimensions.",
                "questions": [
                  {
                    "text": "Which members make up the framing?",
                    "kind": "definition"
                  },
                  {
                    "text": "What are their dimensions?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "geometry",
        "name": "Geometry",
        "description": "Spacing and numbering.",
        "rationale": "Locations on board use frame numbers.",
        "layers": [
          {
            "id": "spacing",
            "name": "Spacing",
            "description": "Distance between frames.",
            "findings": [
              {
                "id": "spacing",
                "name": "Spacing",
                "description": "Frame spacing by region.",
                "questions": [
                  {
                    "text": "What is the frame spacing?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Does it change along the hull?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "numbering",
            "name": "Numbering",
            "description": "Frame numbers.",
            "findings": [
              {
                "id": "frame-numbering",
                "name": "Frame numbering",
                "description": "Scheme and origin.",
                "questions": [
                  {
                    "text": "How are frames numbered?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Where is frame zero?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "strength-and-rules",
        "name": "Strength and rules",
        "description": "Structural requirements.",
        "rationale": "Rules govern design and repair.",
        "layers": [
          {
            "id": "design-rules",
            "name": "Design rules",
            "description": "Classification rules.",
            "findings": [
              {
                "id": "applicable-rules",
                "name": "Applicable rules",
                "description": "Rule set and edition.",
                "questions": [
                  {
                    "text": "Which classification rules apply?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which edition?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "loads",
            "name": "Loads",
            "description": "Loads carried.",
            "findings": [
              {
                "id": "load-cases",
                "name": "Load cases",
                "description": "Design loads.",
                "questions": [
                  {
                    "text": "Which loads do the frames carry?",
                    "kind": "definition"
                  },
                  {
                    "text": "What are the design limits?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "condition",
        "name": "Condition",
        "description": "Inspection and repair.",
        "rationale": "Corrosion and cracks threaten safety.",
        "layers": [
          {
            "id": "survey",
            "name": "Survey",
            "description": "Inspections and gauging.",
            "findings": [
              {
                "id": "survey-record",
                "name": "Survey record",
                "description": "Findings and thickness measurements.",
                "questions": [
                  {
                    "text": "What did the last survey find?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How much thickness has been lost?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "repair",
            "name": "Repair",
            "description": "Repairs and approvals.",
            "findings": [
              {
                "id": "repair-record",
                "name": "Repair record",
                "description": "Repair and approval.",
                "questions": [
                  {
                    "text": "Which repairs were made?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Were they approved by class?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should wooden-ship framing (floors, futtocks) be a separate entry?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}