{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T14:17:01Z",
    "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": "2026-10-05T17:00:00Z",
      "ingestedAt": "2026-10-05T13:28:45+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:52:02+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q897",
    "registryId": "vr.tr.gold",
    "name": "gold",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.MAT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q897/",
  "model": {
    "registry_id": "vr.tr.gold",
    "name": "gold",
    "purpose": "Let an agent handle gold by properties, purity and hallmarking, uses, sourcing and scams, without investment advice.",
    "definition": "A dense, soft, yellow noble metal with chemical symbol Au and atomic number 79, highly resistant to corrosion, used in jewellery, coins and bullion, electronics, dentistry and gilding; its purity is measured in carats or fineness, and gold mining raises environmental and human rights concerns.",
    "what_it_is_for": "Jewellery, money, electronics and decoration.",
    "affordances": [
      "explain purity measures and hallmarks",
      "check whether gold items are genuine",
      "understand responsible sourcing",
      "avoid gold investment scams"
    ],
    "distinguishing_features": [
      "Noble, corrosion-resistant metal",
      "Very dense and malleable",
      "Measured in carats or fineness",
      "Store of value"
    ],
    "appearance": "Bright yellow metal, often alloyed to change colour and hardness.",
    "visual_identification": [
      "Hallmarks and carat stamps",
      "Yellow, white or rose alloys",
      "Pyrite, fools gold, is iron sulfide"
    ],
    "physical_properties": [
      {
        "quantity": "atomic number",
        "typical_range": "79",
        "unit": "",
        "note": ""
      },
      {
        "quantity": "density",
        "typical_range": "about 19.3",
        "unit": "g/cm3",
        "note": "pure gold"
      }
    ],
    "families_and_kinds": [
      "bullion bars and coins",
      "jewellery alloys",
      "gold leaf and gilding",
      "electronic and dental gold",
      "gold isotopes (scientific)"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "noble metal",
        "why": "category"
      },
      {
        "relation": "is found as",
        "target": "native gold and ores",
        "why": "mineral"
      },
      {
        "relation": "is measured by",
        "target": "carat and fineness",
        "why": "purity"
      },
      {
        "relation": "is related to",
        "target": "mineral",
        "why": "geology"
      }
    ],
    "identifiers": [
      {
        "scheme": "Chemical symbol",
        "value_or_pattern": "Au",
        "note": "element"
      },
      {
        "scheme": "ISO 4217",
        "value_or_pattern": "XAU",
        "note": "gold troy ounce code"
      }
    ],
    "standards_and_regulation": [
      "Hallmarking laws",
      "OECD due diligence guidance for mineral supply chains",
      "EU Conflict Minerals Regulation"
    ],
    "failure_modes_and_hazards": [
      "Counterfeit or plated items",
      "Gold investment scams",
      "Mercury pollution and abuses in some mining"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Report gold prices, purity marks and fineness from official sources.",
        "Verify hallmarks and assay certificates against the issuing office's records."
      ],
      "must_not": [
        "Misrepresent the purity, origin or weight of gold.",
        "Help trade gold that funds conflict, forced labour or illegal mining, or that evades sanctions.",
        "Help launder money through gold purchases.",
        "Give personalised investment advice on buying or selling gold."
      ],
      "requires_human": [
        "Buying, selling or transferring gold for someone.",
        "Certifying the origin of gold as responsibly sourced."
      ]
    },
    "ethics": {
      "considerations": [
        "Gold mining is linked to mercury pollution, deforestation, child labour and conflict financing.",
        "Gold is a store of wealth; misrepresentation and fraud take people's savings."
      ],
      "affected_parties": [
        "Mining communities and workers",
        "Buyers and savers",
        "Ecosystems near mines"
      ]
    },
    "owners": {
      "steward": "The person or institution that holds it; assay offices certify purity.",
      "master_systems": [
        "Assay office hallmark records",
        "Precious metals chain-of-custody records"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q897: gold",
      "url": "https://www.wikidata.org/wiki/Q897",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Gold",
      "url": "https://en.wikipedia.org/wiki/Gold",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "purity",
        "name": "Purity",
        "description": "Measures.",
        "rationale": "Purity sets value.",
        "layers": [
          {
            "id": "carat",
            "name": "Carat",
            "description": "Carats and fineness.",
            "findings": [
              {
                "id": "carat-finding",
                "name": "Carat",
                "description": "Carats and fineness.",
                "questions": [
                  {
                    "text": "What purity does this carat or fineness mark indicate?",
                    "kind": "measurement"
                  },
                  {
                    "text": "How does it convert to percent gold?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "hallmark",
            "name": "Hallmark",
            "description": "Hallmarks.",
            "findings": [
              {
                "id": "hallmark-finding",
                "name": "Hallmark",
                "description": "Hallmarks.",
                "questions": [
                  {
                    "text": "What does this hallmark mean, according to the assay office?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is hallmarking legally required here?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "genuine",
        "name": "Genuine",
        "description": "Checking items.",
        "rationale": "Fakes exist.",
        "layers": [
          {
            "id": "test",
            "name": "Test",
            "description": "Testing gold.",
            "findings": [
              {
                "id": "test-finding",
                "name": "Test",
                "description": "Testing.",
                "questions": [
                  {
                    "text": "How can a professional test whether an item is solid gold or plated?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which home tests are unreliable?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "selling",
            "name": "Selling",
            "description": "Selling gold.",
            "findings": [
              {
                "id": "selling-finding",
                "name": "Selling",
                "description": "Selling.",
                "questions": [
                  {
                    "text": "How can someone sell gold safely and check they get a fair assessment?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which dealers are regulated?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "sourcing",
        "name": "Sourcing",
        "description": "Responsible gold.",
        "rationale": "Supply chains matter.",
        "layers": [
          {
            "id": "mining",
            "name": "Mining",
            "description": "Mining impacts.",
            "findings": [
              {
                "id": "mining-finding",
                "name": "Mining",
                "description": "Mining impacts.",
                "questions": [
                  {
                    "text": "What environmental and human rights issues are reported in gold mining, according to monitoring bodies?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which certifications address them?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "recycled",
            "name": "Recycled",
            "description": "Recycled gold.",
            "findings": [
              {
                "id": "recycled-finding",
                "name": "Recycled",
                "description": "Recycled gold.",
                "questions": [
                  {
                    "text": "How is recycled gold sourced and verified?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What claims can sellers make?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "limits",
        "name": "Limits",
        "description": "Investment and scams.",
        "rationale": "No investment advice.",
        "layers": [
          {
            "id": "advice",
            "name": "Advice",
            "description": "Investment decisions.",
            "findings": [
              {
                "id": "advice-finding",
                "name": "Advice",
                "description": "Advice limits.",
                "questions": [
                  {
                    "text": "Is the user asking whether to invest in gold?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How should the agent point to regulated advice?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "scam",
            "name": "Scam",
            "description": "Gold scams.",
            "findings": [
              {
                "id": "scam-finding",
                "name": "Scam",
                "description": "Gold scams.",
                "questions": [
                  {
                    "text": "Does a gold investment offer show scam signs such as guaranteed returns or pressure?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Which regulator warning list should be checked?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should alloys be separate entries?",
    "How should hallmark systems be linked?",
    "How should sourcing certifications be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}