{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T05:07:43Z",
    "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": 1,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T16:30:00Z",
      "ingestedAt": "2026-10-05T13:22:24+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:58+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q32489",
    "registryId": "vr.tr.knife",
    "name": "knife",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q32489/",
  "model": {
    "registry_id": "vr.tr.knife",
    "name": "knife",
    "purpose": "Let an agent handle knives by type, blade, use and safety, and carry the legal rules on carrying and selling them.",
    "definition": "A tool with a cutting edge or blade, usually attached to a handle, used for cutting; kinds range from kitchen and pocket knives to scalpels and industrial knives.",
    "what_it_is_for": "Cutting food, materials and tissue.",
    "affordances": [
      "cut with it",
      "sharpen and maintain it",
      "buy, sell and carry it, within the law",
      "store it safely"
    ],
    "distinguishing_features": [
      "A cutting tool with an edge and handle",
      "Fixed or folding blade",
      "Subject to carry, sale and age laws",
      "Specialised knives such as scalpels are medical devices"
    ],
    "appearance": "A blade of steel, ceramic or other material with an edge, fixed to or folding into a handle.",
    "visual_identification": [
      "A blade with a sharpened edge and a handle",
      "Blade shape and length indicate use",
      "Folding and locking mechanisms matter for carry laws"
    ],
    "physical_properties": [
      {
        "quantity": "blade length",
        "typical_range": "20-300",
        "unit": "mm",
        "note": "carry laws often set limits around 3 inches or 7.6 cm"
      },
      {
        "quantity": "steel hardness",
        "typical_range": "52-64",
        "unit": "HRC",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "kitchen knives",
      "pocket and folding knives",
      "utility and craft knives",
      "scalpels",
      "woodworking knives such as drawknives",
      "industrial knives"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "tool",
        "why": "hand tool"
      },
      {
        "relation": "has part",
        "target": "blade and handle",
        "why": "parts"
      },
      {
        "relation": "is regulated by",
        "target": "weapons and carry law",
        "why": "legal limits"
      },
      {
        "relation": "is confused with",
        "target": "weapon",
        "why": "context decides"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "National laws on carrying bladed articles",
      "Age restrictions on sale",
      "ISO 8442 materials for food contact cutlery",
      "Medical device rules for scalpels"
    ],
    "failure_modes_and_hazards": [
      "Cuts, the most common kitchen injury",
      "Blade failure or folding knives closing on fingers",
      "Illegal carrying"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe knives, their uses, care and safe handling.",
        "Store knives safely, such as out of reach of children."
      ],
      "must_not": [
        "Help use a knife to threaten or harm a person.",
        "Help carry knives where the law forbids it.",
        "Sell knives to people below the legal age.",
        "Leave knives where children can reach them."
      ],
      "requires_human": [
        "Handing a knife to a person who may be at risk of harming themselves or others."
      ]
    },
    "ethics": {
      "considerations": [
        "Knives are essential tools and also weapons; context decides which."
      ],
      "affected_parties": [
        "Users",
        "Children",
        "Potential victims of knife crime"
      ]
    },
    "owners": {
      "steward": "The person who owns it; the law regulates sale and carrying.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q32489: knife",
      "url": "https://www.wikidata.org/wiki/Q32489",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Knife",
      "url": "https://en.wikipedia.org/wiki/Knife",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "design",
        "name": "Design",
        "description": "Blade and handle.",
        "rationale": "Design decides use and safety.",
        "layers": [
          {
            "id": "blade",
            "name": "Blade",
            "description": "Shape, length, material.",
            "findings": [
              {
                "id": "blade-finding",
                "name": "Blade",
                "description": "Blade details.",
                "questions": [
                  {
                    "text": "What are the blade shape, length and material?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is it fixed or folding, and does it lock?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "use",
            "name": "Use",
            "description": "Intended purpose.",
            "findings": [
              {
                "id": "use-finding",
                "name": "Use",
                "description": "Intended use.",
                "questions": [
                  {
                    "text": "What is this knife designed for?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is it suitable for the task?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "safety",
        "name": "Safety",
        "description": "Avoiding injury.",
        "rationale": "Cuts are common and preventable.",
        "layers": [
          {
            "id": "handling",
            "name": "Handling",
            "description": "Technique.",
            "findings": [
              {
                "id": "handling-finding",
                "name": "Handling",
                "description": "Safe technique.",
                "questions": [
                  {
                    "text": "How should it be held and used safely?",
                    "kind": "action"
                  },
                  {
                    "text": "What first aid applies to a deep cut?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "storage",
            "name": "Storage",
            "description": "Blocks, sheaths, children.",
            "findings": [
              {
                "id": "storage-finding",
                "name": "Storage",
                "description": "Safe storage.",
                "questions": [
                  {
                    "text": "How should it be stored away from children?",
                    "kind": "action"
                  },
                  {
                    "text": "Is a sheath needed?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "maintenance",
        "name": "Maintenance",
        "description": "Sharpening and care.",
        "rationale": "A sharp knife is safer than a blunt one.",
        "layers": [
          {
            "id": "sharpening",
            "name": "Sharpening",
            "description": "Edge angle and method.",
            "findings": [
              {
                "id": "sharpening-finding",
                "name": "Sharpening",
                "description": "Sharpening method.",
                "questions": [
                  {
                    "text": "How should it be sharpened, at what angle?",
                    "kind": "action"
                  },
                  {
                    "text": "How often?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "cleaning",
            "name": "Cleaning",
            "description": "Hygiene and corrosion.",
            "findings": [
              {
                "id": "cleaning-finding",
                "name": "Cleaning",
                "description": "Cleaning rules.",
                "questions": [
                  {
                    "text": "How should it be cleaned?",
                    "kind": "action"
                  },
                  {
                    "text": "Is it dishwasher safe?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "law",
        "name": "Law",
        "description": "Carrying and selling.",
        "rationale": "Knife law varies widely.",
        "layers": [
          {
            "id": "carry",
            "name": "Carrying",
            "description": "Public carry rules.",
            "findings": [
              {
                "id": "carry-finding",
                "name": "Carry rules",
                "description": "Carry restrictions.",
                "questions": [
                  {
                    "text": "May this knife be carried in public here?",
                    "kind": "boundary"
                  },
                  {
                    "text": "What counts as a good reason?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "sale",
            "name": "Sale",
            "description": "Age and type restrictions.",
            "findings": [
              {
                "id": "sale-finding",
                "name": "Sale rules",
                "description": "Sale restrictions.",
                "questions": [
                  {
                    "text": "Which age and type restrictions apply to sale?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Are some types banned?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should knife types be separate entries?",
    "How should carry laws be recorded per jurisdiction?",
    "How should agents answer questions touching violence?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}