{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T08:50:08Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 27.1,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a094ce-2b7c-7c71-8028-a85795a9f98e\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: congressional district\nSense to describe: (none recorded)\nDomain code: PHY.PLC\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 04",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 74.1,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a094ce-2b79-7f71-bb94-5b2a5c777bc0\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: congressional district\nRegistry id: vr.tr.congressional-district\nPlane / domain: PHY / PHY.PLC\nRegistry definition: (none recorded)\nNames folded into"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:17:25+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners",
        "standards_and_regulation",
        "visual_identification"
      ]
    },
    "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-Q505410",
    "registryId": "vr.tr.congressional-district",
    "name": "congressional district",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.PLC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q505410/",
  "model": {
    "registry_id": "vr.tr.congressional-district",
    "name": "congressional district",
    "purpose": "Enable an agent to identify a congressional electoral district, establish which boundary version applies, and determine which representation or election-related uses that version supports.",
    "definition": "A congressional district is a legally defined territorial constituency used to elect one or more representatives to a legislative body called a congress.",
    "scope_statement": "This model owns a geographically defined constituency for a specified congressional chamber, including its identity, territorial extent, boundary versions, representational allocation, and authoritative status, without assuming a particular country's electoral rules.",
    "in_scope": [
      "District identity, official names, identifiers, jurisdiction, and congressional chamber",
      "Authoritative territorial extent, geometry, and geographic containment",
      "Boundary-plan versions and their applicability to elections and legislative terms",
      "Seat allocation and links to representation records",
      "Aggregate population measures and documented boundary constraints",
      "Competing boundary claims, legal challenges, and unresolved applicability"
    ],
    "out_of_scope": [
      "The congress or chamber as an institution",
      "Representatives, candidates, and their personal or political attributes",
      "Individual voter records, eligibility determinations, and residential histories",
      "Election administration, ballots, vote counts, and election results",
      "Municipal or regional government powers unrelated to congressional representation",
      "Campaign strategy, political targeting, and predictions of electoral outcomes"
    ],
    "distinguishing_features": [
      "Its territory defines a constituency for a named congressional chamber, rather than merely a census reporting area or geographic region.",
      "Its electoral function does not by itself make it a general-purpose administrative government.",
      "Its identity requires jurisdiction, chamber, and applicable boundary version; a district number alone cannot establish equivalence.",
      "Its extent may coincide with an entire jurisdiction, so geographic size or subdivision is not a sufficient recognition test.",
      "It is distinct from a seat, an officeholder, and the resident population: each can change or have separate records without necessarily changing the district boundary."
    ],
    "characteristics": [
      {
        "name": "Congressional jurisdiction and chamber",
        "kind": "relation",
        "unit_or_values": "Links to the country, relevant territorial jurisdiction, congress, and chamber",
        "why_it_matters": "Establishes which electoral institution gives the district its function."
      },
      {
        "name": "Official designation",
        "kind": "category",
        "unit_or_values": "Authority-qualified name, number or code; language-tagged aliases",
        "why_it_matters": "Prevents collisions between identically numbered districts and preserves historical names."
      },
      {
        "name": "District configuration",
        "kind": "category",
        "unit_or_values": "Subjurisdictional district, jurisdiction-wide constituency, or configuration requiring clarification",
        "why_it_matters": "Distinguishes territorial subdivision from representation covering the whole parent jurisdiction."
      },
      {
        "name": "Boundary geometry",
        "kind": "measurement",
        "unit_or_values": "Polygon or multipolygon with coordinate reference system, resolution, and source",
        "why_it_matters": "Supports reproducible location assignment and spatial comparison."
      },
      {
        "name": "Boundary applicability",
        "kind": "state",
        "unit_or_values": "Plan identifier, adoption and effective dates, applicable elections and terms, supersession conditions",
        "why_it_matters": "Prevents a valid map from being used for the wrong election or legislative term."
      },
      {
        "name": "Authority and challenge status",
        "kind": "state",
        "unit_or_values": "Proposed, adopted, operative, challenged, stayed, superseded, or unresolved; supported by dated records",
        "why_it_matters": "Separates publication of a map from its authority to govern a particular use."
      },
      {
        "name": "Allocated representation",
        "kind": "measurement",
        "unit_or_values": "Number of seats or mandates, with mandate category and applicable period",
        "why_it_matters": "Avoids assuming every congressional district has the same representation arrangement."
      },
      {
        "name": "Population basis",
        "kind": "measurement",
        "unit_or_values": "Persons, with population universe, reference date, geographic version, and measurement method",
        "why_it_matters": "Distinguishes residents from eligible voters, registered voters, and other counting populations."
      },
      {
        "name": "Boundary continuity",
        "kind": "relation",
        "unit_or_values": "Predecessor and successor district versions, with documented continuity and overlap measures",
        "why_it_matters": "Supports comparison across redistricting without treating reused numbers as unchanged territories."
      }
    ],
    "affordances": [
      "Resolve an official district designation within a specified jurisdiction, chamber, and election or term.",
      "Assign a location to a district using an authoritative applicable boundary, returning uncertainty for ambiguous cases.",
      "Compare boundary versions and identify territorial transfers or discontinuities.",
      "Retrieve the seats and representation records associated with a district for a specified period.",
      "Assess whether a district map is suitable for a stated analytical or election-related use.",
      "Compare population measures across districts only after aligning their population bases and boundary versions."
    ],
    "agent_conduct": {
      "may": [
        "Report district boundaries, representatives and election results from official sources.",
        "Help a voter find their district from an address they provide, without storing it."
      ],
      "must_not": [
        "Help draw or argue for boundaries designed to dilute the votes of racial or language minorities.",
        "Spread false information about where, when or how to vote.",
        "Use voter data from district records for targeting beyond lawful purposes.",
        "Present proposed or outdated boundaries as current."
      ],
      "requires_human": [
        "Publishing analysis of a redistricting plan that names partisan or racial effects."
      ]
    },
    "ethics": {
      "considerations": [
        "How lines are drawn can decide who holds power, regardless of how people vote.",
        "Minority voters have historically been split or packed to weaken their voice."
      ],
      "affected_parties": [
        "Voters, especially minority communities",
        "Candidates and representatives"
      ]
    },
    "owners": {
      "steward": "The legislature or commission that draws the boundaries, under review by the courts.",
      "master_systems": [
        "Official redistricting maps and election authority records"
      ]
    },
    "visual_identification": [
      "Not settled by sight: boundaries are defined in law and shown on official maps."
    ],
    "failure_modes_and_hazards": [
      "Gerrymandering that distorts representation.",
      "Voter confusion after boundary changes."
    ],
    "standards_and_regulation": [
      "Voting Rights Act of 1965, United States Congress."
    ],
    "what_it_is_for": [
      "A congressional district is used to connect a defined territory and its electorate with representation in a legislative congress.",
      "It is encountered in election administration, constituency services, electoral mapping and analysis of representation.",
      "Applications must identify the jurisdiction and boundary version because district coverage can change between elections."
    ]
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q505410: congressional district",
      "url": "https://www.wikidata.org/wiki/Q505410",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Congressional district",
      "url": "https://en.wikipedia.org/wiki/Congressional_district",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "constituency-identity",
        "name": "Constituency identity",
        "description": "Establishes which congressional constituency is being described and how it is distinguished from similarly named entities.",
        "rationale": "District names and numbers need institutional and jurisdictional context to identify the correct constituency.",
        "layers": [
          {
            "id": "institutional-anchor",
            "name": "Institutional anchor",
            "description": "Connects the district to its congressional chamber and territorial jurisdiction.",
            "findings": [
              {
                "id": "congressional-function",
                "name": "Congressional function",
                "description": "Record the chamber for which the territory serves as a constituency and the authority establishing that relationship.",
                "questions": [
                  {
                    "text": "For which congress and chamber does this territory define an electoral constituency?",
                    "kind": "definition",
                    "id": "congressional-function-q01"
                  },
                  {
                    "text": "Which authoritative record establishes its constituency status and parent jurisdiction?",
                    "kind": "provenance",
                    "id": "congressional-function-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "designations-and-continuity",
            "name": "Designations and continuity",
            "description": "Separates official naming from identity through boundary changes.",
            "findings": [
              {
                "id": "qualified-district-identity",
                "name": "Qualified district identity",
                "description": "Record official designations, identifier issuers, aliases, and the basis for continuity across plans.",
                "questions": [
                  {
                    "text": "Which names, numbers, and identifiers are official, and within which jurisdiction and period are they unique?",
                    "kind": "definition",
                    "id": "qualified-district-identity-q01"
                  },
                  {
                    "text": "When a designation is reused after redistricting, what evidence establishes continuity with a predecessor?",
                    "kind": "boundary",
                    "id": "qualified-district-identity-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "electoral-territory",
        "name": "Electoral territory",
        "description": "Describes the district's spatial extent and the limits of location-based assignment.",
        "rationale": "Congressional representation depends on territorial membership, which must be reproducible from a specific boundary source.",
        "layers": [
          {
            "id": "authoritative-extent",
            "name": "Authoritative extent",
            "description": "Connects boundary descriptions to usable geographic representations.",
            "findings": [
              {
                "id": "boundary-source-and-geometry",
                "name": "Boundary source and geometry",
                "description": "Record the issuing authority, boundary description, geometry, coordinate reference system, and known discrepancies.",
                "questions": [
                  {
                    "text": "Which authority publishes the boundary, and which legal description or geographic dataset defines its extent?",
                    "kind": "provenance",
                    "id": "boundary-source-and-geometry-q01"
                  },
                  {
                    "text": "What coordinate reference system, resolution, and treatment of islands, water, or detached areas does the geometry use?",
                    "kind": "measurement",
                    "id": "boundary-source-and-geometry-q02"
                  },
                  {
                    "text": "If the textual description and digital geometry disagree, which source governs the intended use?",
                    "kind": "boundary",
                    "id": "boundary-source-and-geometry-q03"
                  }
                ]
              }
            ]
          },
          {
            "id": "location-membership",
            "name": "Location membership",
            "description": "Records how locations and neighbouring geographic units relate to the district.",
            "findings": [
              {
                "id": "territorial-assignment",
                "name": "Territorial assignment",
                "description": "Distinguish geographic intersection from authoritative assignment, especially at boundaries and within split local units.",
                "questions": [
                  {
                    "text": "Which administrative areas or electoral reporting units are wholly contained, split, or only partially intersected?",
                    "kind": "boundary",
                    "id": "territorial-assignment-q01"
                  },
                  {
                    "text": "How should an agent resolve a location on a boundary or an address whose positional uncertainty crosses it?",
                    "kind": "action",
                    "id": "territorial-assignment-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "boundary-plan-lifecycle",
        "name": "Boundary-plan lifecycle",
        "description": "Tracks adoption, applicability, replacement, and challenges to district boundaries.",
        "rationale": "A published district map may apply to one election or term while another map remains relevant to current representation.",
        "layers": [
          {
            "id": "election-and-term-applicability",
            "name": "Election and term applicability",
            "description": "Separates plan adoption from the elections and terms governed by that plan.",
            "findings": [
              {
                "id": "applicable-district-version",
                "name": "Applicable district version",
                "description": "Record adoption, effective periods, first applicable election, and associated legislative terms independently.",
                "questions": [
                  {
                    "text": "Which elections and legislative terms use this district version, and which dated records establish that applicability?",
                    "kind": "provenance",
                    "id": "applicable-district-version-q01"
                  },
                  {
                    "text": "For a request concerning current representation, an upcoming election, or a historical result, which version should be selected?",
                    "kind": "action",
                    "id": "applicable-district-version-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "challenges-and-supersession",
            "name": "Challenges and supersession",
            "description": "Preserves competing plans and the decisions controlling their use.",
            "findings": [
              {
                "id": "operative-boundary-status",
                "name": "Operative boundary status",
                "description": "Record challenges, stays, replacement plans, and unresolved authority without collapsing them into a single undated status.",
                "questions": [
                  {
                    "text": "Which authority claims each competing boundary is applicable, and what decision supports or limits that claim?",
                    "kind": "provenance",
                    "id": "operative-boundary-status-q01"
                  },
                  {
                    "text": "What event supersedes this version, and what uncertainty remains about its permitted use?",
                    "kind": "action",
                    "id": "operative-boundary-status-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "representational-allocation",
        "name": "Representational allocation",
        "description": "Connects the territorial constituency to its allotted representation without conflating territory and officeholders.",
        "rationale": "An agent must establish what representation attaches to the district before linking it to seats or representatives.",
        "layers": [
          {
            "id": "seats-and-mandates",
            "name": "Seats and mandates",
            "description": "Records the representation arrangement applicable to the constituency.",
            "findings": [
              {
                "id": "district-representation-entitlement",
                "name": "District representation entitlement",
                "description": "Record allocated seats or mandates, their category, and the period for which the allocation applies.",
                "questions": [
                  {
                    "text": "How many seats or mandates attach to this district, and what representation category does the governing system assign?",
                    "kind": "measurement",
                    "id": "district-representation-entitlement-q01"
                  },
                  {
                    "text": "Which authoritative instrument establishes this allocation and its applicable period?",
                    "kind": "provenance",
                    "id": "district-representation-entitlement-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "representation-links",
            "name": "Representation links",
            "description": "Associates the district version with separate seat and officeholder records.",
            "findings": [
              {
                "id": "time-qualified-representation",
                "name": "Time-qualified representation",
                "description": "Preserve dated links to representation records, including vacancies and transitions between district plans.",
                "questions": [
                  {
                    "text": "Which seat and officeholder records correspond to this district for the requested legislative term?",
                    "kind": "definition",
                    "id": "time-qualified-representation-q01"
                  },
                  {
                    "text": "How should a representation lookup handle a vacancy or a transition in which election boundaries differ from those of the sitting term?",
                    "kind": "action",
                    "id": "time-qualified-representation-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "population-and-plan-assessment",
        "name": "Population and plan assessment",
        "description": "Supports qualified comparisons of district populations and documented boundary requirements.",
        "rationale": "Population balance and boundary assessments are meaningful only against the relevant jurisdiction's rules, counting basis, and complete plan.",
        "layers": [
          {
            "id": "population-denominators",
            "name": "Population denominators",
            "description": "Makes population figures comparable by preserving their counting universe and geography.",
            "findings": [
              {
                "id": "version-aligned-population",
                "name": "Version-aligned population",
                "description": "Record aggregate counts with reference dates, methods, and correspondence to the district version.",
                "questions": [
                  {
                    "text": "Does the reported count concern residents, an apportionment population, eligible voters, registered voters, or another explicitly defined group?",
                    "kind": "definition",
                    "id": "version-aligned-population-q01"
                  },
                  {
                    "text": "What reference date and boundary version does the count use, and was it directly tabulated or estimated through a geographic crosswalk?",
                    "kind": "measurement",
                    "id": "version-aligned-population-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "jurisdiction-specific-constraints",
            "name": "Jurisdiction-specific constraints",
            "description": "Records applicable boundary requirements and the evidence needed to assess them.",
            "findings": [
              {
                "id": "documented-plan-assessment",
                "name": "Documented plan assessment",
                "description": "Separate descriptive measures from authoritative conclusions about compliance or validity.",
                "questions": [
                  {
                    "text": "Which population, contiguity, compactness, community, administrative-boundary, or representation requirements apply in this jurisdiction and period?",
                    "kind": "provenance",
                    "id": "documented-plan-assessment-q01"
                  },
                  {
                    "text": "Which assessments require comparison with the complete district plan, and what measures or authoritative determinations support their conclusions?",
                    "kind": "measurement",
                    "id": "documented-plan-assessment-q02"
                  },
                  {
                    "text": "What conclusions must an agent leave unresolved when the governing rule, comparison baseline, or supporting evidence is missing?",
                    "kind": "action",
                    "id": "documented-plan-assessment-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "evidence-and-external-alignment",
        "name": "Evidence and external alignment",
        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
        "layers": [
          {
            "id": "reported-evidence",
            "name": "Reported evidence",
            "description": "Findings from the breadth pass, kept separate from the structural claims.",
            "findings": [
              {
                "id": "evidence-confidence-notes",
                "name": "Check these first",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "The registry supplies no jurisdiction; the definition is general, while the identifiers and most rules recalled here are U.S.-specific.",
                  "No sources were consulted; verify legal applicability and identifier conventions before operational use.",
                  "Any concrete district geometry requires a jurisdiction, authoritative boundary source, effective period, and coordinate reference system."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of congressional district this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-kinds",
                "name": "Kinds and varieties",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Single-member district",
                  "Multi-member district",
                  "At-large district covering an entire constituent jurisdiction"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of congressional district this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-identifiers",
                "name": "Identifiers and schemes",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "scheme": "U.S. Census Bureau congressional district GEOID",
                    "value_or_pattern": "Four digits: two-digit state code followed by two-digit congressional district code",
                    "note": "District code 00 denotes an at-large district; interpretation requires the applicable Congress or boundary vintage."
                  },
                  {
                    "scheme": "State abbreviation and district number",
                    "value_or_pattern": "CA-12",
                    "note": "Common U.S. shorthand; a designation can persist while its boundaries change."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of congressional district this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-standards-and-regulation",
                "name": "Standards and regulation",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "U.S. Constitution, Article I and Fourteenth Amendment: framework for representation and apportionment in the House of Representatives.",
                  "U.S. Congress, 2 U.S.C. § 2c: single-member district requirement for states entitled to more than one House representative.",
                  "U.S. Congress, Voting Rights Act of 1965: voting-rights protections relevant to district design.",
                  "U.S. Census Bureau, TIGER/Line geographic products: published congressional district boundary representations."
                ],
                "questions": [
                  {
                    "id": "evidence-standards-and-regulation-q01",
                    "text": "Which of these standards and regulation hold for the sense of congressional district this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-real-world-use",
                "name": "Real-world use",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Determining which congressional contest applies to a voter's residence.",
                  "Organizing representation and constituent services.",
                  "Reporting election results and demographic statistics.",
                  "Assessing proposed redistricting plans.",
                  "Mapping legislative constituencies alongside other administrative geography."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of congressional district this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-measurements",
                "name": "Typical measurements",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "quantity": "Representatives elected per district",
                    "typical_range": "1 for U.S. state congressional districts",
                    "unit": "representative"
                  },
                  {
                    "quantity": "Deviation from a redistricting plan's ideal district population",
                    "typical_range": "Target near zero for U.S. congressional districts; applicable requirements need jurisdiction-specific verification",
                    "unit": "percent"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of congressional district this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-failure-modes-and-hazards",
                "name": "Failure modes and hazards",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Using a boundary from the wrong election cycle or Congress.",
                  "Treating a reused district number as proof of unchanged territory.",
                  "Assigning residences by postal code when postal areas cross district boundaries.",
                  "Partisan gerrymandering or discriminatory vote dilution.",
                  "Confusing total resident population with eligible voters, registered voters, or actual voters."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of congressional district this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-regional-variation",
                "name": "Regional variation",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "In the United States, state congressional districts elect members of the House of Representatives; senators are elected statewide.",
                  "Other countries with a congress use their own districting rules, terminology, and representation arrangements.",
                  "Boundary-setting authority can vary within a country, including legislatures, commissions, and courts."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of congressional district this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-neighbours",
                "name": "Neighbouring kinds and how to tell them apart",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "name": "Electoral district",
                    "difference": "The broader category includes constituencies for many elected bodies; a congressional district specifically serves a congress."
                  },
                  {
                    "name": "Administrative division",
                    "difference": "An administrative division organizes territorial government; a congressional district primarily organizes legislative representation and may cross administrative boundaries."
                  },
                  {
                    "name": "Congressional delegation",
                    "difference": "A delegation is a group of representatives; a district is the territory represented."
                  },
                  {
                    "name": "District population",
                    "difference": "The population consists of people counted within the boundary; it is not the territorial constituency itself."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of congressional district this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Does the registry intend congressional district globally, or specifically a constituency of the United States House of Representatives?",
    "Does this entry include jurisdiction-wide constituencies and districts associated with delegates or other representation categories?",
    "What establishes continuing district identity across redistricting: explicit legal continuity, stable identifiers, or a separately documented convention?",
    "Which authoritative sources will establish boundary geometry, legal status, and election-versus-term applicability for each covered jurisdiction?",
    "Which population definitions and boundary requirements apply, and which assessments remain disputed or unsupported by authoritative evidence?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 19,
    "questions": 31
  }
}
