{
  "vercy": "1.0-draft",
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    "publishableCanonical": false,
    "generatedAt": "2026-09-11T21:05:45Z",
    "providers": [
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    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 2,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T23:50:00Z",
      "ingestedAt": "2026-10-05T20:47:55+00:00",
      "fields": [
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        "owners"
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          "distinguishing_features",
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  "metaModel": {
    "id": "THING-Q24580",
    "registryId": "vr.tr.abundance-of-elements-in-earth-s-crust",
    "name": "Abundance of elements in Earth's crust",
    "version": "0.2.0-wave.2",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
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  "canonicalUrl": "https://ver.cy/models/thing/q24580/",
  "model": {
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    "name": "Abundance of elements in Earth's crust",
    "purpose": "Let an agent explain the article's subject and organisation, interpret its listed abundance estimates with their cited sources and units, and support geochemistry education.",
    "definition": "A Wikimedia list article titled Abundance of elements in Earth's crust that presents estimates of the relative amounts of chemical elements in Earth's crust.",
    "what_it_is_for": "Geochemistry and resource assessment.",
    "affordances": [
      "provide abundance values with sources",
      "explain how abundances are estimated",
      "relate abundance to resources and ore grades",
      "compare crustal and cosmic abundances"
    ],
    "distinguishing_features": [
      "The entity is a Wikimedia list article.",
      "Its subject is chemical element abundance in Earth's crust.",
      "Listed estimates depend on their sources, measurement basis and crust type.",
      "The article can change through editorial revision."
    ],
    "appearance": "Not physical; tables and charts of abundances.",
    "visual_identification": [
      "The article title identifies Abundance of elements in Earth's crust.",
      "Its content presents element abundance estimates in list or table form.",
      "Page context distinguishes the article from a standalone geochemical dataset."
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "major elements",
      "minor elements",
      "trace elements",
      "continental versus oceanic crust abundances",
      "abundance in the whole Earth and solar system (related)"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "Common and rare elements on Earth",
        "why": "category"
      },
      {
        "relation": "is measured as",
        "target": "content-relation",
        "why": "clarke values"
      },
      {
        "relation": "is related to",
        "target": "geological formation",
        "why": "rock composition"
      },
      {
        "relation": "is related to",
        "target": "silver",
        "why": "a trace element"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Geochemical reference compilations",
      "No regulation"
    ],
    "failure_modes_and_hazards": [
      "Confusing the article with the scientific topic can misidentify the entity.",
      "Mixing mass and atom bases can misrepresent listed estimates.",
      "Confusing crustal abundance with whole-Earth or cosmic abundance can mislead readers.",
      "Article revisions or outdated cited estimates can affect reported values."
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe the article and report its listed estimates with their cited sources, units and measurement basis.",
        "Explain why some elements are common and others rare."
      ],
      "must_not": [
        "Mix different units or sources without saying so.",
        "Present crustal abundance as proof that an element is easy or worthwhile to mine.",
        "Invent figures for rare elements.",
        "Present the article itself as primary geochemical research."
      ],
      "requires_human": [
        "Using abundance data in resource or investment decisions."
      ]
    },
    "ethics": {
      "considerations": [
        "Abundance figures inform mining and resource policy that affects communities and environments.",
        "Students rely on accurate data."
      ],
      "affected_parties": [
        "Students",
        "Communities near mines"
      ]
    },
    "owners": {
      "steward": "The volunteer editorial community maintains the article under the hosting project's editorial policies.",
      "master_systems": [
        "The article page and its revision history record the maintained text and changes."
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q24580: Abundance of elements in Earth's crust",
      "url": "https://www.wikidata.org/wiki/Q24580",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Abundance of elements in Earth's crust",
      "url": "https://en.wikipedia.org/wiki/Abundance_of_elements_in_Earth%27s_crust",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "values",
        "name": "Values",
        "description": "Abundance data.",
        "rationale": "Sources and bases.",
        "layers": [
          {
            "id": "lookup",
            "name": "Lookup",
            "description": "Abundance of an element.",
            "findings": [
              {
                "id": "lookup-finding",
                "name": "Lookup",
                "description": "Lookup.",
                "questions": [
                  {
                    "text": "What is the crustal abundance of this element, according to a cited compilation, and on which basis?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How does it rank among elements?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "estimate",
            "name": "Estimate",
            "description": "How estimated.",
            "findings": [
              {
                "id": "estimate-finding",
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                "description": "Estimation.",
                "questions": [
                  {
                    "text": "How are crustal abundances estimated, and how uncertain are they?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How do continental and oceanic crust differ?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "resources",
        "name": "Resources",
        "description": "Abundance and ores.",
        "rationale": "From abundance to mining.",
        "layers": [
          {
            "id": "ores",
            "name": "Ores",
            "description": "Ore grades.",
            "findings": [
              {
                "id": "ores-finding",
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                "description": "Ore grades.",
                "questions": [
                  {
                    "text": "How does crustal abundance relate to ore grade and the concentration needed for mining?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which processes concentrate elements?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "critical",
            "name": "Critical",
            "description": "Rare and critical elements.",
            "findings": [
              {
                "id": "critical-finding",
                "name": "Critical",
                "description": "Critical elements.",
                "questions": [
                  {
                    "text": "Which elements are rare in the crust yet important, and how does that affect supply?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which are classed as critical raw materials?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "compare",
        "name": "Compare",
        "description": "Beyond the crust.",
        "rationale": "Earth and cosmos.",
        "layers": [
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            "name": "Earth",
            "description": "Whole Earth.",
            "findings": [
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                "name": "Earth",
                "description": "Whole Earth.",
                "questions": [
                  {
                    "text": "How do crustal abundances differ from the whole Earth and core?",
                    "kind": "definition"
                  },
                  {
                    "text": "Why is the crust enriched in some elements?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "cosmic",
            "name": "Cosmic",
            "description": "Cosmic abundance.",
            "findings": [
              {
                "id": "cosmic-finding",
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                "description": "Cosmic abundance.",
                "questions": [
                  {
                    "text": "How do crustal abundances compare with solar system abundances?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What does the difference reveal about planet formation?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "learn",
        "name": "Learn",
        "description": "Teaching.",
        "rationale": "Visualisation.",
        "layers": [
          {
            "id": "teach",
            "name": "Teach",
            "description": "Teaching abundances.",
            "findings": [
              {
                "id": "teach-finding",
                "name": "Teach",
                "description": "Teaching.",
                "questions": [
                  {
                    "text": "How can crustal abundances be taught with charts and comparisons?",
                    "kind": "action"
                  },
                  {
                    "text": "Which misconceptions arise?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "history",
            "name": "History",
            "description": "History of estimates.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How did Clarke and later geochemists estimate crustal abundances?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How have estimates changed?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each element abundance be linked to its entry?",
    "How should geochemical compilations be linked?",
    "How should crust types be distinguished?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}