{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T10:43:20Z",
    "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": "2026-10-05T13:27:53+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:30+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q37756",
    "registryId": "vr.tr.alloy",
    "name": "alloy",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.MAT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q37756/",
  "model": {
    "registry_id": "vr.tr.alloy",
    "name": "alloy",
    "purpose": "Let an agent handle alloys by composition, designation, properties, uses and safety.",
    "definition": "A metallic material made by combining a metal with other metals or elements, such as steel (iron and carbon), bronze, brass, solder, aluminium alloys and dental amalgam, to improve strength, corrosion resistance or other properties.",
    "what_it_is_for": "Engineering, construction, tools, electronics, coins and medicine.",
    "affordances": [
      "identify alloys by designation",
      "compare mechanical properties",
      "choose alloys for corrosion or temperature",
      "check hazards such as lead or mercury content"
    ],
    "distinguishing_features": [
      "Mixture based on a metal",
      "Tailored properties",
      "Standardised designations",
      "Some contain hazardous elements"
    ],
    "appearance": "Metallic solids, colours ranging from grey steel to golden brass and bronze.",
    "visual_identification": [
      "Designations such as 304 stainless or 6061 aluminium",
      "Colour and density",
      "Pure metals are not alloys"
    ],
    "physical_properties": [
      {
        "quantity": "Density",
        "unit": "kg/m3",
        "typical_range": "",
        "note": "Determined from mass and volume at a stated temperature for the specified alloy composition."
      },
      {
        "quantity": "Solidus temperature",
        "unit": "degrees Celsius",
        "typical_range": "",
        "note": "Determined by thermal analysis as the temperature at which melting begins under specified conditions."
      },
      {
        "quantity": "Tensile strength",
        "unit": "MPa",
        "typical_range": "",
        "note": "Measured by tensile testing with the alloy composition, processing condition and test temperature recorded."
      },
      {
        "quantity": "Electrical resistivity",
        "unit": "ohm m",
        "typical_range": "",
        "note": "Determined from electrical resistance and specimen geometry at a stated temperature."
      }
    ],
    "families_and_kinds": [
      "steels and stainless steels",
      "copper alloys such as bronze and brass",
      "aluminium alloys",
      "solders and fusible alloys",
      "dental alloys and amalgam"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "metallic material and solid solution",
        "why": "category"
      },
      {
        "relation": "is made from",
        "target": "metal",
        "why": "component"
      },
      {
        "relation": "includes",
        "target": "steel",
        "why": "example"
      },
      {
        "relation": "is designated by",
        "target": "EN and ASTM standards",
        "why": "standards"
      }
    ],
    "identifiers": [
      {
        "scheme": "UNS number",
        "value_or_pattern": "letter plus five digits",
        "note": "unified numbering system"
      }
    ],
    "standards_and_regulation": [
      "EN 10027 steel designation",
      "RoHS restrictions on lead in electronics",
      "EU Mercury Regulation on dental amalgam"
    ],
    "failure_modes_and_hazards": [
      "Corrosion and stress cracking",
      "Lead and cadmium exposure",
      "Wrong alloy substitution"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Report an alloy's composition, grade and properties from certificates and standards.",
        "Test and sort alloys for an operator that authorized it."
      ],
      "must_not": [
        "Supply an alloy under a false grade or certificate.",
        "Use alloys containing lead or other restricted metals in food, toys or drinking water parts.",
        "Release fumes from melting or welding alloys where people can breathe them without protection.",
        "Substitute a cheaper alloy in safety-critical parts without approval."
      ],
      "requires_human": [
        "Approving material substitutions in structures, vehicles or medical devices."
      ]
    },
    "ethics": {
      "considerations": [
        "Wrong or fake alloys in critical parts have caused structural and aviation failures.",
        "Metal fumes and dust harm workers' health."
      ],
      "affected_parties": [
        "Users of products and structures",
        "Foundry and metal workers",
        "Patients with metal implants"
      ]
    },
    "owners": {
      "steward": "The producer or supplier for what is placed on the market; the owner for each item.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q37756: alloy",
      "url": "https://www.wikidata.org/wiki/Q37756",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Alloy",
      "url": "https://en.wikipedia.org/wiki/Alloy",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "identity",
        "name": "Identity",
        "description": "Which alloy.",
        "rationale": "Designations identify.",
        "layers": [
          {
            "id": "designation",
            "name": "Designation",
            "description": "Grade.",
            "findings": [
              {
                "id": "designation-finding",
                "name": "Designation",
                "description": "Designation.",
                "questions": [
                  {
                    "text": "What is the alloy designation and composition?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which standard defines it?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "equivalents",
            "name": "Equivalents",
            "description": "Cross-reference.",
            "findings": [
              {
                "id": "equivalents-finding",
                "name": "Equivalents",
                "description": "Equivalent grades.",
                "questions": [
                  {
                    "text": "What are equivalent grades in other standards?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Are they truly interchangeable?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "properties",
        "name": "Properties",
        "description": "Performance.",
        "rationale": "Properties guide selection.",
        "layers": [
          {
            "id": "mechanical",
            "name": "Mechanical",
            "description": "Strength.",
            "findings": [
              {
                "id": "mechanical-finding",
                "name": "Mechanical",
                "description": "Mechanical properties.",
                "questions": [
                  {
                    "text": "What are its strength, hardness and ductility?",
                    "kind": "measurement"
                  },
                  {
                    "text": "In which temper or condition?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "corrosion",
            "name": "Corrosion",
            "description": "Resistance.",
            "findings": [
              {
                "id": "corrosion-finding",
                "name": "Corrosion",
                "description": "Corrosion resistance.",
                "questions": [
                  {
                    "text": "How does it resist corrosion in this environment?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is galvanic corrosion a risk with other metals?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "safety",
        "name": "Safety",
        "description": "Hazards.",
        "rationale": "Some alloys are hazardous.",
        "layers": [
          {
            "id": "toxic",
            "name": "Toxic elements",
            "description": "Lead, cadmium, mercury.",
            "findings": [
              {
                "id": "toxic-finding",
                "name": "Toxic elements",
                "description": "Toxic elements.",
                "questions": [
                  {
                    "text": "Does the alloy contain lead, cadmium or mercury?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What rules restrict its use?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "fumes",
            "name": "Fumes",
            "description": "Welding and soldering.",
            "findings": [
              {
                "id": "fumes-finding",
                "name": "Fumes",
                "description": "Fumes.",
                "questions": [
                  {
                    "text": "What fume controls are needed when welding or soldering it?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What does the safety data sheet say?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "use",
        "name": "Use",
        "description": "Applications.",
        "rationale": "Uses depend on properties.",
        "layers": [
          {
            "id": "selection",
            "name": "Selection",
            "description": "Choosing.",
            "findings": [
              {
                "id": "selection-finding",
                "name": "Selection",
                "description": "Alloy selection.",
                "questions": [
                  {
                    "text": "Which alloy suits this application?",
                    "kind": "action"
                  },
                  {
                    "text": "Should an engineer confirm the choice?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "recycling",
            "name": "Recycling",
            "description": "End of life.",
            "findings": [
              {
                "id": "recycling-finding",
                "name": "Recycling",
                "description": "Recycling.",
                "questions": [
                  {
                    "text": "How is this alloy recycled?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Must it be separated from other metals?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should alloy families be separate entries?",
    "How should designations be cross-referenced?",
    "How should hazardous alloys be flagged?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}