{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T07:58:53Z",
    "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": "2026-10-05T13:19:09+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:26+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q160091",
    "registryId": "vr.tr.plain",
    "name": "plain",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.PLC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q160091/",
  "model": {
    "registry_id": "vr.tr.plain",
    "name": "plain",
    "purpose": "Let an agent handle plains by type, formation, land use, hazards and planetary analogues.",
    "definition": "A broad area of relatively flat land with little relief, formed by deposition, erosion or lava flows, such as floodplains, coastal plains and plateaus; on other planets similar features are named palus or planitia.",
    "what_it_is_for": "Agriculture, settlement, transport and grazing.",
    "affordances": [
      "map and classify plains",
      "assess flood risk on floodplains",
      "manage farmland",
      "study planetary plains"
    ],
    "distinguishing_features": [
      "Flat or gently sloping",
      "Large extent",
      "Often fertile",
      "Floodplains flood by nature"
    ],
    "appearance": "Wide, flat or gently rolling land, often farmed or grassy.",
    "visual_identification": [
      "Low relief over large areas",
      "Types such as floodplain or coastal plain",
      "Planetary terms such as palus"
    ],
    "physical_properties": [
      {
        "quantity": "Surface area",
        "unit": "km2",
        "typical_range": "",
        "note": "Measure the mapped extent using a stated boundary and geographic coordinate system."
      },
      {
        "quantity": "Surface slope",
        "unit": "degrees",
        "typical_range": "",
        "note": "Measure terrain inclination using surveyed elevations or an elevation model at a stated spatial resolution."
      },
      {
        "quantity": "Local relief",
        "unit": "m",
        "typical_range": "",
        "note": "Calculate the difference between highest and lowest elevations within a stated assessment area."
      }
    ],
    "families_and_kinds": [
      "floodplains and alluvial plains",
      "coastal plains",
      "glacial outwash plains",
      "lava plains",
      "planetary plains"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "landform and landscape",
        "why": "category"
      },
      {
        "relation": "is formed by",
        "target": "deposition",
        "why": "process"
      },
      {
        "relation": "is contrasted with",
        "target": "hill and mountain",
        "why": "relief"
      },
      {
        "relation": "is used for",
        "target": "agriculture",
        "why": "land use"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Flood risk planning rules",
      "IAU planetary nomenclature"
    ],
    "failure_modes_and_hazards": [
      "Flooding on floodplains",
      "Soil erosion from wind",
      "Building in flood zones"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe a plain's landforms, soils and land use from surveys and maps.",
        "Report flood risk on floodplains from official flood maps."
      ],
      "must_not": [
        "Describe a floodplain as safe for building when official maps show flood risk.",
        "Present one formation process as certain where geologists disagree.",
        "Encourage drainage or clearance of protected wetland or grassland on a plain.",
        "Treat a plain as empty land, ignoring the people and species that live there."
      ],
      "requires_human": [
        "Land use or development decisions on floodplains."
      ]
    },
    "ethics": {
      "considerations": [
        "Plains feed many people and hold grasslands and wetlands that are easily lost.",
        "Building on floodplains moves risk onto residents and downstream communities."
      ],
      "affected_parties": [
        "People living and farming on the plain",
        "Grassland and wetland species",
        "Downstream communities"
      ]
    },
    "owners": {
      "steward": "Nobody owns a landform; land parcels on it have their own owners and the public holds it in common.",
      "master_systems": [
        "Geological surveys",
        "Flood risk maps",
        "Land registries"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q160091: plain",
      "url": "https://www.wikidata.org/wiki/Q160091",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Plain",
      "url": "https://en.wikipedia.org/wiki/Plain",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "type",
        "name": "Type",
        "description": "Which plain.",
        "rationale": "Formation defines type.",
        "layers": [
          {
            "id": "kind",
            "name": "Kind",
            "description": "Floodplain, coastal.",
            "findings": [
              {
                "id": "kind-finding",
                "name": "Kind",
                "description": "Plain type.",
                "questions": [
                  {
                    "text": "What kind of plain is it?",
                    "kind": "definition"
                  },
                  {
                    "text": "How did it form?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "extent",
            "name": "Extent",
            "description": "Size.",
            "findings": [
              {
                "id": "extent-finding",
                "name": "Extent",
                "description": "Extent.",
                "questions": [
                  {
                    "text": "How large is it?",
                    "kind": "measurement"
                  },
                  {
                    "text": "What is its elevation range?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "use",
        "name": "Use",
        "description": "Land use.",
        "rationale": "Plains are productive.",
        "layers": [
          {
            "id": "farming",
            "name": "Farming",
            "description": "Agriculture.",
            "findings": [
              {
                "id": "farming-finding",
                "name": "Farming",
                "description": "Agriculture.",
                "questions": [
                  {
                    "text": "How is the plain farmed?",
                    "kind": "definition"
                  },
                  {
                    "text": "What soils does it have?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "settlement",
            "name": "Settlement",
            "description": "Towns and transport.",
            "findings": [
              {
                "id": "settlement-finding",
                "name": "Settlement",
                "description": "Settlement.",
                "questions": [
                  {
                    "text": "Which settlements and routes use it?",
                    "kind": "definition"
                  },
                  {
                    "text": "How has use changed?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "hazards",
        "name": "Hazards",
        "description": "Flood and wind.",
        "rationale": "Plains have hazards.",
        "layers": [
          {
            "id": "flood",
            "name": "Flood",
            "description": "Floodplain risk.",
            "findings": [
              {
                "id": "flood-finding",
                "name": "Flood",
                "description": "Flood risk.",
                "questions": [
                  {
                    "text": "Is this land in a flood zone?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Which authority maps it?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "erosion",
            "name": "Erosion",
            "description": "Wind and soil.",
            "findings": [
              {
                "id": "erosion-finding",
                "name": "Erosion",
                "description": "Soil erosion.",
                "questions": [
                  {
                    "text": "Is wind erosion a risk?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How is it controlled?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "planetary",
        "name": "Planetary",
        "description": "Other worlds.",
        "rationale": "Plains exist elsewhere.",
        "layers": [
          {
            "id": "names",
            "name": "Names",
            "description": "Palus, planitia.",
            "findings": [
              {
                "id": "names-finding",
                "name": "Names",
                "description": "Planetary names.",
                "questions": [
                  {
                    "text": "Is a planetary plain meant?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Which IAU name applies?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "formation",
            "name": "Formation",
            "description": "Lava and impacts.",
            "findings": [
              {
                "id": "formation-finding",
                "name": "Formation",
                "description": "Planetary formation.",
                "questions": [
                  {
                    "text": "How did the planetary plain form?",
                    "kind": "provenance"
                  },
                  {
                    "text": "From which mission data?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should plain types be separate entries?",
    "How should planetary plains be linked?",
    "How should flood zones be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
