{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T21:10:47Z",
    "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": 3,
    "engine": "claude"
  },
  "metaModel": {
    "id": "THING-Q4010528",
    "registryId": "vr.tr.mid-size-car",
    "name": "mid-size car",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q4010528/",
  "model": {
    "registry_id": "vr.tr.mid-size-car",
    "name": "mid-size car",
    "purpose": "Let an agent explain what a mid-size car is and how the class is defined in different markets, identify whether a given model falls in it, relay regulatory and market classifications, and separate the class from specific models and from body styles.",
    "definition": "A passenger car size class between compact and full-size cars, in North American usage a sedan or hatchback of roughly 4.7 to 4.9 metres in length, called a large family car or D-segment in Europe; the class is defined differently by regulators, rental companies and markets, and includes many best-selling saloons and, increasingly, electric models.",
    "what_it_is_for": "Classifying passenger cars by size for regulation, marketing and comparison.",
    "affordances": [
      "explain the class definitions by market",
      "identify whether a model falls in the class",
      "relay regulatory classifications",
      "compare with neighbouring classes"
    ],
    "distinguishing_features": [
      "Intermediate size class",
      "Market-specific definitions",
      "Used in regulation and rental categories",
      "Includes electric models"
    ],
    "appearance": "A saloon, hatchback or estate car of intermediate size, seating five.",
    "visual_identification": [
      "Length roughly 4.7 to 4.9 metres",
      "Between compact and full-size classes",
      "Body style and specific model are separate matters"
    ],
    "physical_properties": [
      {
        "quantity": "length",
        "typical_range": "about 4.7-4.9",
        "unit": "m",
        "note": "typical; definitions vary"
      },
      {
        "quantity": "EPA interior volume",
        "typical_range": "about 110-120",
        "unit": "cubic feet",
        "note": "US definition of mid-size"
      }
    ],
    "families_and_kinds": [
      "North American mid-size sedans",
      "European D-segment or large family cars",
      "mid-size electric cars",
      "mid-size estates and hatchbacks",
      "rental car intermediate categories"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "family car",
        "why": "in registry terms"
      },
      {
        "relation": "is a kind of",
        "target": "car classification",
        "why": "a size class"
      },
      {
        "relation": "is contrasted with",
        "target": "compact car",
        "why": "the smaller class"
      },
      {
        "relation": "is contrasted with",
        "target": "full-size car",
        "why": "the larger class"
      }
    ],
    "identifiers": [
      {
        "scheme": "Euro Car Segment",
        "value_or_pattern": "D",
        "note": "European classification"
      },
      {
        "scheme": "EPA size class",
        "value_or_pattern": "mid-size",
        "note": "US classification by interior volume"
      }
    ],
    "standards_and_regulation": [
      "US EPA vehicle size classes",
      "European Commission car segment classification",
      "Rental industry ACRISS codes"
    ],
    "failure_modes_and_hazards": [
      "Mixing market definitions",
      "Treating a class as a model",
      "Outdated model lists"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": []
  },
  "sources": [],
  "structure": {
    "bundles": [
      {
        "id": "define",
        "name": "Define",
        "description": "What the class is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definitions by market.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "How is the mid-size class defined in the US, Europe and other markets?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about the class, a body style or a specific model?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "neighbours",
            "name": "Neighbours",
            "description": "Neighbouring classes.",
            "findings": [
              {
                "id": "neighbours-finding",
                "name": "Neighbours",
                "description": "Neighbours.",
                "questions": [
                  {
                    "text": "How does the class border on compact and full-size classes?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the neighbouring class?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "classify",
        "name": "Classify",
        "description": "Classifying a model.",
        "rationale": "Practice.",
        "layers": [
          {
            "id": "model",
            "name": "Model",
            "description": "Placing a model.",
            "findings": [
              {
                "id": "model-finding",
                "name": "Model",
                "description": "Model.",
                "questions": [
                  {
                    "text": "Does a given model fall in the class under the relevant definition?",
                    "kind": "action"
                  },
                  {
                    "text": "Which entry fits the specific model?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "data",
            "name": "Data",
            "description": "Dimensions and data.",
            "findings": [
              {
                "id": "data-finding",
                "name": "Data",
                "description": "Data.",
                "questions": [
                  {
                    "text": "What dimensions and interior volumes define class membership, with sources?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "market",
        "name": "Market",
        "description": "Market and regulation.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "regulation",
            "name": "Regulation",
            "description": "Regulatory use.",
            "findings": [
              {
                "id": "regulation-finding",
                "name": "Regulation",
                "description": "Regulation.",
                "questions": [
                  {
                    "text": "How do regulators and rental companies use size classes?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits vehicle regulation?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "trends",
            "name": "Trends",
            "description": "Market trends.",
            "findings": [
              {
                "id": "trends-finding",
                "name": "Trends",
                "description": "Trends.",
                "questions": [
                  {
                    "text": "How is the class changing with SUVs and electric cars, with figures attributed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the presentation neutral?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "history",
        "name": "History",
        "description": "History.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "history",
            "name": "History",
            "description": "History of the class.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How did the mid-size class develop, and which models defined it?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "naming",
            "name": "Naming",
            "description": "Naming across markets.",
            "findings": [
              {
                "id": "naming-finding",
                "name": "Naming",
                "description": "Naming.",
                "questions": [
                  {
                    "text": "Why do names such as intermediate, D-segment and large family car differ?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits car classification generally?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should D-segment be the primary entry?",
    "How should regulatory classifications be linked?",
    "The registry entry has merged aliases naming specific models; should they be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}