{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T02:02:13Z",
    "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": 2,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T23:50:00Z",
      "ingestedAt": "2026-10-05T20:55:28+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:31+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q43262",
    "registryId": "vr.tr.tundra",
    "name": "tundra",
    "version": "0.2.0-wave.2",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.PLC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q43262/",
  "model": {
    "registry_id": "vr.tr.tundra",
    "name": "tundra",
    "purpose": "Let an agent explain tundra and its types, describe its ecology, peoples and climate change impacts with attribution, support travel and study, and describe conservation.",
    "definition": "A biome of cold, treeless landscapes found in the Arctic, in Antarctica and its islands, and at high elevations as alpine tundra, characterised by permafrost in many areas, short growing seasons, and vegetation of mosses, lichens, grasses, sedges and dwarf shrubs, with transitional forest-tundra zones and high mountain pastures such as those of the Tatras; tundra supports adapted wildlife and Indigenous peoples and is changing rapidly with climate warming and permafrost thaw.",
    "what_it_is_for": "Cold treeless biome.",
    "affordances": [
      "explain types",
      "describe ecology and peoples",
      "present climate change impacts",
      "support study"
    ],
    "distinguishing_features": [
      "Treelessness",
      "Permafrost",
      "Short growing season",
      "Rapid warming"
    ],
    "appearance": "Treeless landscapes of low vegetation, often with permafrost.",
    "visual_identification": [
      "Treeless cold biome",
      "Arctic, Antarctic, alpine",
      "Taiga has trees; polar desert is even sparser"
    ],
    "physical_properties": [
      {
        "quantity": "Air temperature",
        "unit": "degrees Celsius",
        "typical_range": "",
        "note": "Air temperature is measured with shielded sensors at a stated height and summarised over a specified season or year."
      },
      {
        "quantity": "Annual precipitation",
        "unit": "mm water equivalent per year",
        "typical_range": "",
        "note": "Annual precipitation is measured as the combined water equivalent of rain and snowfall with corrections for collection losses."
      },
      {
        "quantity": "Seasonal thaw depth",
        "unit": "m",
        "typical_range": "",
        "note": "Where permafrost occurs, seasonal thaw depth is measured by probing or ground temperature profiles near the end of the thaw season."
      },
      {
        "quantity": "Vegetation height",
        "unit": "cm",
        "typical_range": "",
        "note": "Vegetation height is measured above the ground across representative plots with the plant community and season recorded."
      }
    ],
    "families_and_kinds": [
      "Arctic tundra",
      "Antarctic tundra",
      "alpine and mountain tundra",
      "forest-tundra transition",
      "high mountain pastures"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "biome",
        "why": "category"
      },
      {
        "relation": "is related to",
        "target": "ecoregion",
        "why": "tundra ecoregions"
      },
      {
        "relation": "is related to",
        "target": "frost heave",
        "why": "permafrost processes"
      },
      {
        "relation": "is related to",
        "target": "midnight sun",
        "why": "polar light conditions"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Protected area designations",
      "Arctic Council and Antarctic Treaty frameworks",
      "Indigenous rights frameworks"
    ],
    "failure_modes_and_hazards": [
      "Permafrost thaw and carbon release",
      "Habitat disturbance from development",
      "Ignoring Indigenous peoples"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe tundra ecosystems, permafrost and wildlife from scientific sources.",
        "Report research data on permafrost thaw with its source and date."
      ],
      "must_not": [
        "Advise driving off-road or building on tundra where it damages fragile ground.",
        "Ignore the Indigenous peoples who live in and use tundra.",
        "Disturb breeding wildlife or reveal locations of sensitive species.",
        "Downplay permafrost thaw and its effects."
      ],
      "requires_human": [
        "Planning development, extraction or infrastructure on tundra."
      ]
    },
    "ethics": {
      "considerations": [
        "Tundra damage heals slowly over decades.",
        "Indigenous livelihoods such as reindeer herding depend on the tundra."
      ],
      "affected_parties": [
        "Indigenous peoples",
        "Tundra wildlife",
        "Northern communities"
      ]
    },
    "owners": {
      "steward": "Nobody owns the biome; states and Indigenous peoples hold land rights and protected areas are managed by authorities.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q43262: tundra",
      "url": "https://www.wikidata.org/wiki/Q43262",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Tundra",
      "url": "https://en.wikipedia.org/wiki/Tundra",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What tundra is.",
        "rationale": "Ecology.",
        "layers": [
          {
            "id": "types",
            "name": "Types",
            "description": "Types and characteristics.",
            "findings": [
              {
                "id": "types-finding",
                "name": "Types",
                "description": "Types.",
                "questions": [
                  {
                    "text": "How do Arctic, Antarctic and alpine tundra differ, and what are permafrost, active layer and forest-tundra?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits a specific type?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "life",
            "name": "Life",
            "description": "Plants and animals.",
            "findings": [
              {
                "id": "life-finding",
                "name": "Life",
                "description": "Life.",
                "questions": [
                  {
                    "text": "How are tundra plants and animals adapted to cold, wind and short seasons?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits a specific species?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "people",
        "name": "People",
        "description": "Peoples and use.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "indigenous",
            "name": "Indigenous",
            "description": "Indigenous peoples of the tundra.",
            "findings": [
              {
                "id": "indigenous-finding",
                "name": "Indigenous",
                "description": "Indigenous.",
                "questions": [
                  {
                    "text": "How do Indigenous peoples of tundra regions live with and describe their lands, in their own terms?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the presentation respectful?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "use",
            "name": "Use",
            "description": "Development and pastures.",
            "findings": [
              {
                "id": "use-finding",
                "name": "Use",
                "description": "Use.",
                "questions": [
                  {
                    "text": "How are tundra regions used for herding, mountain pastures such as those of the Tatras, resource extraction and tourism, and what conflicts arise, with positions attributed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits a specific use?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "change",
        "name": "Change",
        "description": "Climate change.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "warming",
            "name": "Warming",
            "description": "Warming and thaw.",
            "findings": [
              {
                "id": "warming-finding",
                "name": "Warming",
                "description": "Warming.",
                "questions": [
                  {
                    "text": "How is tundra changing with warming, permafrost thaw and shrub expansion, according to research?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which findings are uncertain?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "feedback",
            "name": "Feedback",
            "description": "Carbon feedbacks.",
            "findings": [
              {
                "id": "feedback-finding",
                "name": "Feedback",
                "description": "Feedback.",
                "questions": [
                  {
                    "text": "What role does permafrost carbon play in climate feedbacks, according to the IPCC?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits permafrost?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "learn",
        "name": "Learn",
        "description": "Study and teaching.",
        "rationale": "Education.",
        "layers": [
          {
            "id": "study",
            "name": "Study",
            "description": "Research and travel.",
            "findings": [
              {
                "id": "study-finding",
                "name": "Study",
                "description": "Study.",
                "questions": [
                  {
                    "text": "How is tundra studied, and how can it be visited responsibly?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "teach",
            "name": "Teach",
            "description": "Teaching.",
            "findings": [
              {
                "id": "teach-finding",
                "name": "Teach",
                "description": "Teaching.",
                "questions": [
                  {
                    "text": "How can the tundra biome be taught?",
                    "kind": "action"
                  },
                  {
                    "text": "Which misconceptions arise?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each tundra type be a separate entry?",
    "How should climate data be linked?",
    "How should Indigenous perspectives be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}