{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T19:45:18Z",
    "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": 4,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T11:00:00Z",
      "ingestedAt": "2026-10-06T07:39:18+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:52:00+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q4286337",
    "registryId": "vr.tr.city-district",
    "name": "city district",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.PLC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q4286337/",
  "model": {
    "registry_id": "vr.tr.city-district",
    "name": "city district",
    "purpose": "Let an agent explain city districts, relay forms, powers and examples from local government sources, describe the named district systems, and distinguish city districts from neighbourhoods, boroughs, wards, municipalities and postal districts.",
    "definition": "An administrative or statistical subdivision of a city, used for local administration, planning, services or elections, with names and powers differing by country, such as the 59 community districts of New York City, the districts of Sao Paulo, the 21 districts of Madrid, the city districts of Aktobe in Kazakhstan and the communes d arrondissement of Dakar and other Senegalese cities; the registry alias Zipserei is unclear and could not be verified.",
    "what_it_is_for": "Organising administration within cities.",
    "affordances": [
      "explain forms and powers",
      "relay examples",
      "describe named district systems",
      "distinguish related units"
    ],
    "distinguishing_features": [
      "Inside a city",
      "Varied powers",
      "Administrative or statistical",
      "National naming differences"
    ],
    "appearance": "Not a visible object; areas on city maps.",
    "visual_identification": [
      "Administrative subdivision of a city",
      "Community district of New York City, district of Sao Paulo, district of Madrid, districts of Aktobe, communes d arrondissement of Senegal",
      "Neighbourhoods are informal; boroughs may be larger or separate municipalities; wards are electoral; postal districts are for mail"
    ],
    "physical_properties": [
      {
        "quantity": "New York City community districts",
        "typical_range": "59",
        "unit": "count",
        "note": ""
      },
      {
        "quantity": "Madrid districts",
        "typical_range": "21",
        "unit": "count",
        "note": ""
      },
      {
        "quantity": "Sao Paulo districts",
        "typical_range": "96",
        "unit": "count",
        "note": "within 32 subprefectures"
      }
    ],
    "families_and_kinds": [
      "administrative districts with councils",
      "statistical districts",
      "community boards",
      "arrondissements and communes d arrondissement",
      "subprefecture districts"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "district",
        "why": "in registry terms"
      },
      {
        "relation": "is part of",
        "target": "city",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "neighbourhood",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "borough",
        "why": ""
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "National and city local government laws",
      "City charters"
    ],
    "failure_modes_and_hazards": [
      "Assuming all cities use the same system",
      "Confusing districts with neighbourhoods",
      "Unverified alias Zipserei"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain how cities divide into districts, noting that systems differ by country.",
        "Report district names and boundaries from city or national sources."
      ],
      "must_not": [
        "Assume all cities use the same district system.",
        "Confuse administrative districts with informal neighbourhoods.",
        "Use district data to stigmatise residents or redline areas."
      ],
      "requires_human": [
        "Using district boundaries in elections, service planning or official filings."
      ]
    },
    "ethics": {
      "considerations": [
        "District labels can stigmatise neighbourhoods and their residents.",
        "Boundaries decide representation and services."
      ],
      "affected_parties": [
        "City residents",
        "Local governments",
        "Voters"
      ]
    },
    "owners": {
      "steward": "The city government that defines its districts under national law.",
      "master_systems": [
        "Municipal district registers",
        "National statistical boundary data"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q4286337: city district",
      "url": "https://www.wikidata.org/wiki/Q4286337",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: City district",
      "url": "https://en.wikipedia.org/wiki/City_district",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What a city district is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is a city district, and how does it differ from neighbourhoods, boroughs, wards and postal districts?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about a specific city, local services or elections?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "named",
            "name": "Named systems",
            "description": "Named district systems.",
            "findings": [
              {
                "id": "named-finding",
                "name": "Named systems",
                "description": "Named systems.",
                "questions": [
                  {
                    "text": "How do districts work in New York City, Sao Paulo, Madrid, Aktobe and Senegalese cities?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific city?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "government",
        "name": "Government",
        "description": "Local government.",
        "rationale": "Regulation.",
        "layers": [
          {
            "id": "powers",
            "name": "Powers",
            "description": "Powers.",
            "findings": [
              {
                "id": "powers-finding",
                "name": "Powers",
                "description": "Powers.",
                "questions": [
                  {
                    "text": "What powers do district councils or boards have in different cities?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "participation",
            "name": "Participation",
            "description": "Participation.",
            "findings": [
              {
                "id": "participation-finding",
                "name": "Participation",
                "description": "Participation.",
                "questions": [
                  {
                    "text": "How can residents take part in district decisions?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "planning",
        "name": "Planning",
        "description": "Planning and statistics.",
        "rationale": "Application.",
        "layers": [
          {
            "id": "planning",
            "name": "Planning",
            "description": "Urban planning.",
            "findings": [
              {
                "id": "planning-finding",
                "name": "Planning",
                "description": "Planning.",
                "questions": [
                  {
                    "text": "How are districts used in urban planning and services?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits urban planning?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "statistics",
            "name": "Statistics",
            "description": "Statistics.",
            "findings": [
              {
                "id": "statistics-finding",
                "name": "Statistics",
                "description": "Statistics.",
                "questions": [
                  {
                    "text": "How do statistical agencies use city districts?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits census tract?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Comparisons.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "france",
            "name": "Arrondissements",
            "description": "Arrondissements.",
            "findings": [
              {
                "id": "france-finding",
                "name": "Arrondissements",
                "description": "Arrondissements.",
                "questions": [
                  {
                    "text": "How do Paris arrondissements compare with other city districts?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits arrondissements of Paris?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "reform",
            "name": "Reform",
            "description": "Reform.",
            "findings": [
              {
                "id": "reform-finding",
                "name": "Reform",
                "description": "Reform.",
                "questions": [
                  {
                    "text": "How have cities redrawn or merged districts?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits municipal reform?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each city s district system be a separate entry?",
    "How should local government sources be linked?",
    "The registry alias Zipserei could not be identified and should be reviewed"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}