{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T07:34:03Z",
    "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": "2026-10-05T13:20:14+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:59+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q33971",
    "registryId": "vr.tr.leaf",
    "name": "leaf",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.LIV"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q33971/",
  "model": {
    "registry_id": "vr.tr.leaf",
    "name": "leaf",
    "purpose": "Let an agent handle leaves by plant, form, function, identification and use, with cautions about toxic plants.",
    "definition": "The flattened, usually green organ of a vascular plant attached to the stem, specialised for photosynthesis and gas exchange; leaves of many plants are also used as food, herbs and tea.",
    "what_it_is_for": "Photosynthesis and transpiration; for people, food, herbs, tea and medicine.",
    "affordances": [
      "identify plants from leaves",
      "harvest culinary leaves",
      "diagnose plant health from leaves",
      "compost fallen leaves"
    ],
    "distinguishing_features": [
      "Plant organ for photosynthesis",
      "Diverse shapes used in identification",
      "Deciduous or evergreen",
      "Some leaves are toxic"
    ],
    "appearance": "Flat green blades on stalks, in countless shapes, sizes and arrangements.",
    "visual_identification": [
      "Shape, margin, venation and arrangement",
      "Simple or compound",
      "Culinary leaves such as bay or nettle"
    ],
    "physical_properties": [
      {
        "quantity": "blade length",
        "typical_range": "millimetres to over 2",
        "unit": "m",
        "note": "duckweed to palms"
      }
    ],
    "families_and_kinds": [
      "simple leaves",
      "compound leaves",
      "needles and scales",
      "modified leaves such as spines and tendrils",
      "culinary and tea leaves"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "plant organ",
        "why": "category"
      },
      {
        "relation": "is part of",
        "target": "plant",
        "why": "whole"
      },
      {
        "relation": "performs",
        "target": "photosynthesis",
        "why": "function"
      },
      {
        "relation": "is used as",
        "target": "herb and tea",
        "why": "uses"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Plant health rules for imported plant material",
      "Food safety rules for leafy produce"
    ],
    "failure_modes_and_hazards": [
      "Eating toxic leaves from misidentified plants",
      "Pesticide residues",
      "Slippery leaf litter on paths"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Identify leaves and the plants they come from, stating confidence.",
        "Monitor leaves for disease, pests or stress for a grower who authorized it."
      ],
      "must_not": [
        "Advise eating leaves of a plant identified only from an image.",
        "Recommend leaf remedies as treatment for disease.",
        "Collect leaves of protected plants without permission."
      ],
      "requires_human": [
        "Spraying or removing plants because of leaf symptoms."
      ]
    },
    "ethics": {
      "considerations": [
        "Misidentified leaves can poison people and animals.",
        "Traditional plant knowledge belongs to the communities that hold it."
      ],
      "affected_parties": [
        "Foragers and consumers",
        "Growers",
        "Plants and ecosystems"
      ]
    },
    "owners": {
      "steward": "Whoever owns the plant; protected species are under conservation authorities.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q33971: leaf",
      "url": "https://www.wikidata.org/wiki/Q33971",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Leaf",
      "url": "https://en.wikipedia.org/wiki/Leaf",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "identification",
        "name": "Identification",
        "description": "Which leaf.",
        "rationale": "Leaves identify plants.",
        "layers": [
          {
            "id": "form",
            "name": "Form",
            "description": "Shape and margin.",
            "findings": [
              {
                "id": "form-finding",
                "name": "Form",
                "description": "Leaf form.",
                "questions": [
                  {
                    "text": "What are the leaf shape, margin and venation?",
                    "kind": "definition"
                  },
                  {
                    "text": "Simple or compound?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "plant",
            "name": "Plant",
            "description": "Species.",
            "findings": [
              {
                "id": "plant-finding",
                "name": "Plant",
                "description": "Plant species.",
                "questions": [
                  {
                    "text": "Which plant does the leaf come from?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is it confirmed by an expert or key?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "function",
        "name": "Function",
        "description": "Biology.",
        "rationale": "Leaves feed plants.",
        "layers": [
          {
            "id": "photosynthesis",
            "name": "Photosynthesis",
            "description": "Energy.",
            "findings": [
              {
                "id": "photosynthesis-finding",
                "name": "Photosynthesis",
                "description": "Photosynthesis.",
                "questions": [
                  {
                    "text": "How does the leaf capture light and exchange gases?",
                    "kind": "definition"
                  },
                  {
                    "text": "What adaptations does it show?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "health",
            "name": "Plant health",
            "description": "Symptoms.",
            "findings": [
              {
                "id": "health-finding",
                "name": "Plant health",
                "description": "Leaf symptoms.",
                "questions": [
                  {
                    "text": "What do yellowing or spots on the leaf indicate?",
                    "kind": "definition"
                  },
                  {
                    "text": "Should a plant health authority be told?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "use",
        "name": "Use",
        "description": "Food and herbs.",
        "rationale": "Leaves are eaten and brewed.",
        "layers": [
          {
            "id": "food",
            "name": "Food",
            "description": "Edible leaves.",
            "findings": [
              {
                "id": "food-finding",
                "name": "Food",
                "description": "Edible use.",
                "questions": [
                  {
                    "text": "Is the leaf edible, and how is it prepared?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Could it be confused with a toxic plant?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "tea",
            "name": "Tea and herbs",
            "description": "Infusions.",
            "findings": [
              {
                "id": "tea-finding",
                "name": "Tea",
                "description": "Infusions.",
                "questions": [
                  {
                    "text": "Is the leaf used as tea or herb?",
                    "kind": "definition"
                  },
                  {
                    "text": "Are there health warnings?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "seasons",
        "name": "Seasons",
        "description": "Leaf fall.",
        "rationale": "Leaves change.",
        "layers": [
          {
            "id": "autumn",
            "name": "Autumn",
            "description": "Colour and fall.",
            "findings": [
              {
                "id": "autumn-finding",
                "name": "Autumn",
                "description": "Leaf fall.",
                "questions": [
                  {
                    "text": "Why do leaves change colour and fall?",
                    "kind": "definition"
                  },
                  {
                    "text": "When?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "litter",
            "name": "Litter",
            "description": "Compost and safety.",
            "findings": [
              {
                "id": "litter-finding",
                "name": "Litter",
                "description": "Leaf litter.",
                "questions": [
                  {
                    "text": "How can fallen leaves be composted?",
                    "kind": "action"
                  },
                  {
                    "text": "How are slippery paths managed?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should leaf types be separate entries?",
    "How should culinary leaves be linked?",
    "How should identification keys be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
