{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T10:45:32Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 23.0,
        "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: 01a09537-b423-7a60-9f42-a210eedcb0b2\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: Kharkovchanka\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 043: 1001 r",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 82.3,
        "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: 01a09537-b42c-7760-a0dc-d81f7d28225c\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Kharkovchanka\nRegistry id: vr.tr.kharkovchanka\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:53:27+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners",
        "standards_and_regulation",
        "visual_identification"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:25+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q1063283",
    "registryId": "vr.tr.kharkovchanka",
    "name": "Kharkovchanka",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q1063283/",
  "model": {
    "registry_id": "vr.tr.kharkovchanka",
    "name": "Kharkovchanka",
    "purpose": "Enable an agent to recognise a Kharkovchanka Antarctic expedition vehicle, assess its mobility and habitation readiness, and determine what evidence supports operation, repair or preservation.",
    "definition": "Kharkovchanka is a Soviet family of heavy tracked Antarctic expedition vehicles developed in Kharkiv to transport personnel and haul supplies across snow and ice while supporting crews on long traverses.",
    "scope_statement": "This model owns the recognition criteria and assessment requirements for vr.tr.kharkovchanka in PHY / PHY.OBJ, treating it as a named vehicle design rather than an individual machine; the boundary with Kharkovchanka-2 remains explicit and unresolved.",
    "in_scope": [
      "Design identity, documented lineage and generation attribution",
      "Tracked mobility, snow contact and expedition towing interfaces",
      "Power generation, cold starting and propulsion readiness",
      "Enclosed accommodation, heating and separation from machinery",
      "Traverse endurance, field repairability and recovery interfaces",
      "Evidence distinguishing serviceable vehicles, modified survivors and preserved examples"
    ],
    "out_of_scope": [
      "General AT-T tractor and T-54 tank models",
      "The American Antarctic Snow Cruiser",
      "Individual vehicle ownership, location and maintenance histories as standalone records",
      "Expedition organisation, route planning and Antarctic station operation",
      "Detailed models of towed sledges, scientific instruments and carried supplies",
      "Heritage designation procedures and conservation policies"
    ],
    "distinguishing_features": [
      "Require documentary identification as Kharkovchanka; Antarctic use and caterpillar tracks alone are insufficient.",
      "Check the combination of tracked propulsion and enclosed expedition accommodation, rather than identifying any tractor towing a shelter as Kharkovchanka.",
      "Use its documented AT-T lineage to distinguish the expedition design from its general-purpose tractor ancestor. [Australian Antarctic Program](https://www.antarctica.gov.au/news/stations/davis/2024/26-january/)",
      "Record engine, driving position and accommodation layout before assigning a generation; first-generation machinery shared the enclosed body with occupants. [Australian Antarctic Program](https://www.antarctica.gov.au/news/stations/davis/2024/26-january/)",
      "Distinguish the tracked Kharkovchanka from the wheeled American Antarctic Snow Cruiser despite their shared mobile-base role. [Australian Antarctic Program](https://www.antarctica.gov.au/news/stations/davis/2024/26-january/)"
    ],
    "characteristics": [
      {
        "name": "Design and generation attribution",
        "kind": "category",
        "unit_or_values": "Kharkovchanka original design; Kharkovchanka-2 attribution pending scope resolution; unidentified",
        "why_it_matters": "Prevents specifications and layout assumptions from migrating between generations."
      },
      {
        "name": "Documented configuration",
        "kind": "relation",
        "unit_or_values": "Links to drawings, manuals, photographs and modification records",
        "why_it_matters": "Connects each assessment to the configuration actually supported by evidence."
      },
      {
        "name": "Mass and external envelope",
        "kind": "measurement",
        "unit_or_values": "kg and m; distinguish empty, loaded and complete tractor-sledge combination",
        "why_it_matters": "Supports transport, recovery and loading decisions without conflating vehicle mass with convoy mass."
      },
      {
        "name": "Track contact geometry",
        "kind": "measurement",
        "unit_or_values": "Track width in mm; effective contact area in m²; nominal ground pressure in kPa with load basis",
        "why_it_matters": "Makes snow-support assumptions inspectable without implying that ground pressure establishes crevasse safety."
      },
      {
        "name": "Powertrain installation",
        "kind": "category",
        "unit_or_values": "Documented engine, fuel, transmission and starting-system configuration; unknown",
        "why_it_matters": "Determines applicable procedures, consumables and replacement compatibility."
      },
      {
        "name": "Towing envelope",
        "kind": "measurement",
        "unit_or_values": "Drawbar force in kN; towed mass in kg; speed in km/h; stated surface and gradient",
        "why_it_matters": "Separates a supported towing limit from an anecdotal expedition load."
      },
      {
        "name": "Thermal operating envelope",
        "kind": "measurement",
        "unit_or_values": "Ambient and compartment temperatures in °C; altitude in m; exposure duration in h",
        "why_it_matters": "Distinguishes demonstrated performance from design claims and present readiness."
      },
      {
        "name": "Habitation capacity and autonomy",
        "kind": "measurement",
        "unit_or_values": "Persons, usable berths and days at specified heating, water, food and electrical demand",
        "why_it_matters": "Separates accommodation space from sustainable occupancy."
      },
      {
        "name": "Fuel endurance",
        "kind": "measurement",
        "unit_or_values": "Usable fuel in L; consumption in L/h and L/km; reserve in L under stated duty",
        "why_it_matters": "Accounts for towing, heating and stationary operation during a traverse."
      },
      {
        "name": "Mobility and shelter readiness",
        "kind": "state",
        "unit_or_values": "Assessed separately: ready; restricted; unavailable; unknown",
        "why_it_matters": "A vehicle may remain habitable after losing propulsion or remain mobile with unsafe accommodation."
      },
      {
        "name": "Machinery isolation condition",
        "kind": "state",
        "unit_or_values": "Verified effective; compromised; untested; configuration unknown",
        "why_it_matters": "Makes exhaust, heat and noise pathways into occupied compartments explicit."
      }
    ],
    "affordances": [
      "Classify a documented vehicle against Kharkovchanka recognition criteria and flag uncertain generation attribution.",
      "Compare a proposed passenger and sledge load with configuration-specific evidence.",
      "Assess mobility and shelter readiness independently before recommending a traverse role.",
      "Estimate fuel and habitation endurance using stated environmental and duty assumptions.",
      "Identify field repair prerequisites, compatible spares and recovery dependencies.",
      "Determine whether a proposed intervention belongs to operational maintenance or conservation review."
    ],
    "agent_conduct": {
      "may": [
        "Describe the vehicle family's design and its role in Antarctic traverses.",
        "Support museums and expedition historians in cataloguing surviving vehicles."
      ],
      "must_not": [
        "Drive or move a vehicle without a qualified crew in control.",
        "Leave fuel, waste or abandoned vehicles on the ice in breach of Antarctic environmental rules.",
        "Present uncertain traverse records as established fact."
      ],
      "requires_human": [
        "Any decision to start a traverse or abandon a vehicle in the field."
      ]
    },
    "ethics": {
      "considerations": [
        "Polar crews depend on their vehicle for survival far from help.",
        "Antarctica is protected as a shared natural reserve."
      ],
      "affected_parties": [
        "Expedition crews",
        "Antarctic environment",
        "Historians and museum visitors"
      ]
    },
    "owners": {
      "steward": "The polar research programme or museum that holds a vehicle; Antarctic Treaty parties regulate activity on the continent.",
      "master_systems": []
    },
    "visual_identification": [
      "A very large tracked vehicle with a tall, boxy enclosed body for living and working.",
      "Wide tracks and a high cab, often painted in a conspicuous colour for visibility on snow."
    ],
    "failure_modes_and_hazards": [
      "Breakdown far from base strands crews in extreme cold.",
      "Crevasses can swallow heavy tracked vehicles.",
      "Fuel spills contaminate the ice."
    ],
    "standards_and_regulation": [
      "Protocol on Environmental Protection to the Antarctic Treaty, Antarctic Treaty Consultative Parties."
    ],
    "what_it_is_for": [
      "These heavy tracked vehicles were developed for long Antarctic traverses transporting expedition crews and towing supplies across snow and ice.",
      "Their enclosed accommodation supported extended journeys between remote sites, while surviving vehicles also serve as evidence for polar transport history and preservation."
    ]
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q1063283: Kharkovchanka",
      "url": "https://www.wikidata.org/wiki/Q1063283",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Kharkovchanka",
      "url": "https://en.wikipedia.org/wiki/Kharkovchanka",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "design-identity",
        "name": "Design identity",
        "description": "Establish what the name denotes and which configuration an assessment concerns.",
        "rationale": "A rare named expedition design is easily confused with its tractor ancestor, later generation or a particular surviving vehicle.",
        "layers": [
          {
            "id": "recognition-and-lineage",
            "name": "Recognition and lineage",
            "description": "Connect identification evidence to the named design.",
            "findings": [
              {
                "id": "documented-design-membership",
                "name": "Documented design membership",
                "description": "Require a traceable designation and compatible physical configuration before treating a vehicle as an instance of this registry entry.",
                "questions": [
                  {
                    "text": "Which plate, drawing, inventory or contemporary expedition record identifies the vehicle as Kharkovchanka?",
                    "kind": "provenance",
                    "id": "documented-design-membership-q01"
                  },
                  {
                    "text": "Which features distinguish this configuration from an AT-T carrying an added shelter?",
                    "kind": "definition",
                    "id": "documented-design-membership-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "generation-and-modification",
            "name": "Generation and modification",
            "description": "Separate original design, later generation and field alteration.",
            "findings": [
              {
                "id": "generation-specific-evidence",
                "name": "Generation-specific evidence",
                "description": "Attach specifications to an identified generation and modification state; retain Kharkovchanka-2 as a boundary question rather than silently importing its capabilities.",
                "questions": [
                  {
                    "text": "Does the authoritative registry concept include Kharkovchanka-2 or only the original design?",
                    "kind": "boundary",
                    "id": "generation-specific-evidence-q01"
                  },
                  {
                    "text": "Which engine, cab or accommodation features are original and which were changed during service?",
                    "kind": "provenance",
                    "id": "generation-specific-evidence-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "snow-mobility-and-towing",
        "name": "Snow mobility and towing",
        "description": "Describe the tracked vehicle's interaction with snow and its expedition load.",
        "rationale": "Tractor movement, sledge movement and snow support impose different limits on an Antarctic traverse.",
        "layers": [
          {
            "id": "track-support",
            "name": "Track support",
            "description": "Assess contact geometry, loading and running-gear condition.",
            "findings": [
              {
                "id": "configuration-dependent-flotation",
                "name": "Configuration-dependent flotation",
                "description": "Record track geometry and loaded mass together; treat calculated ground pressure as a limited indicator of snow support.",
                "questions": [
                  {
                    "text": "What track width, effective contact length and loaded mass apply to this configuration?",
                    "kind": "measurement",
                    "id": "configuration-dependent-flotation-q01"
                  },
                  {
                    "text": "What evidence supports its mobility on the proposed snow surface, and what remains unknown about ice support?",
                    "kind": "boundary",
                    "id": "configuration-dependent-flotation-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "sledge-train-interface",
            "name": "Sledge train interface",
            "description": "Relate towing capability to coupling, load and surface conditions.",
            "findings": [
              {
                "id": "conditional-towing-capacity",
                "name": "Conditional towing capacity",
                "description": "Keep tractor payload, towed mass and drawbar force distinct, with evidence for the coupling and operating conditions.",
                "questions": [
                  {
                    "text": "Which documented towing limits apply at the stated speed, gradient and snow condition?",
                    "kind": "measurement",
                    "id": "conditional-towing-capacity-q01"
                  },
                  {
                    "text": "What coupling, inspection and stopping provisions must be verified before attaching the proposed sledges?",
                    "kind": "action",
                    "id": "conditional-towing-capacity-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "cold-power-and-endurance",
        "name": "Cold power and endurance",
        "description": "Assess starting, sustained power and energy reserves in Antarctic service.",
        "rationale": "Propulsion readiness and expedition autonomy depend on temperature, duty and the actual installed machinery.",
        "layers": [
          {
            "id": "starting-and-drive-control",
            "name": "Starting and drive control",
            "description": "Establish configuration-specific prerequisites for starting and moving.",
            "findings": [
              {
                "id": "verified-starting-sequence",
                "name": "Verified starting sequence",
                "description": "Identify the installed starting and preheating arrangements, operator controls and documented protective devices without assuming modern interlocks.",
                "questions": [
                  {
                    "text": "Which manual specifies fuel, lubricant, coolant and preheating requirements for the installed engine?",
                    "kind": "provenance",
                    "id": "verified-starting-sequence-q01"
                  },
                  {
                    "text": "Which controls, indications and protective devices must be checked before starting and engaging the drive?",
                    "kind": "action",
                    "id": "verified-starting-sequence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "traverse-energy-budget",
            "name": "Traverse energy budget",
            "description": "Separate energy used for travel from energy used while sheltering.",
            "findings": [
              {
                "id": "duty-specific-autonomy",
                "name": "Duty-specific autonomy",
                "description": "Estimate endurance from usable reserves and measured or documented consumption for towing, idling and habitation services.",
                "questions": [
                  {
                    "text": "What consumption evidence applies to the proposed load, altitude, temperature and stationary heating demand?",
                    "kind": "measurement",
                    "id": "duty-specific-autonomy-q01"
                  },
                  {
                    "text": "What reserve and resupply assumptions support the proposed traverse duration?",
                    "kind": "action",
                    "id": "duty-specific-autonomy-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "mobile-habitation",
        "name": "Mobile habitation",
        "description": "Assess the enclosed expedition space as an occupied shelter coupled to a working tractor.",
        "rationale": "Accommodation is central to this design, and its usability cannot be inferred from propulsion condition.",
        "layers": [
          {
            "id": "thermal-shelter",
            "name": "Thermal shelter",
            "description": "Evaluate occupancy, heat retention and essential services.",
            "findings": [
              {
                "id": "supported-occupancy",
                "name": "Supported occupancy",
                "description": "Relate usable berths and workspace to heating, ventilation, water provision and escape access in the actual interior layout.",
                "questions": [
                  {
                    "text": "How many people can the documented layout accommodate for the proposed duration while preserving service and exit access?",
                    "kind": "measurement",
                    "id": "supported-occupancy-q01"
                  },
                  {
                    "text": "How long can the occupied compartment remain usable after loss of its normal heat or electrical supply?",
                    "kind": "measurement",
                    "id": "supported-occupancy-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "machinery-and-occupants",
            "name": "Machinery and occupants",
            "description": "Inspect the boundaries between machinery and occupied space.",
            "findings": [
              {
                "id": "exhaust-and-noise-pathways",
                "name": "Exhaust and noise pathways",
                "description": "Early service accounts report noise and exhaust contamination associated with the internal engine arrangement; assess the actual vehicle's barriers and ventilation. [Australian Antarctic Program](https://www.antarctica.gov.au/news/stations/davis/2024/26-january/)",
                "questions": [
                  {
                    "text": "Where can exhaust, fuel vapour, heat or machinery noise enter occupied compartments in this configuration?",
                    "kind": "definition",
                    "id": "exhaust-and-noise-pathways-q01"
                  },
                  {
                    "text": "What inspection and monitoring evidence supports occupancy during propulsion or stationary heating?",
                    "kind": "action",
                    "id": "exhaust-and-noise-pathways-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "field-service-and-intervention",
        "name": "Field service and intervention",
        "description": "Determine how faults, recovery needs and preservation status constrain intervention.",
        "rationale": "Remote repairs require configuration knowledge, while a preserved survivor may demand a different decision process from an expedition vehicle.",
        "layers": [
          {
            "id": "repair-and-recovery",
            "name": "Repair and recovery",
            "description": "Identify feasible work under limited shelter, equipment and spare-part availability.",
            "findings": [
              {
                "id": "field-repair-feasibility",
                "name": "Field repair feasibility",
                "description": "Record access, isolation, lifting and spare-part requirements for track, drivetrain and habitation faults; distinguish sheltered work from work requiring outdoor exposure.",
                "questions": [
                  {
                    "text": "Which likely immobilising faults can be repaired with the carried tools and verified compatible spares?",
                    "kind": "action",
                    "id": "field-repair-feasibility-q01"
                  },
                  {
                    "text": "Which tasks require outside access, external lifting equipment or another tractor for recovery?",
                    "kind": "boundary",
                    "id": "field-repair-feasibility-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "intervention-basis",
            "name": "Intervention basis",
            "description": "Separate physical capability from evidence and authority supporting work.",
            "findings": [
              {
                "id": "operation-or-preservation",
                "name": "Operation or preservation",
                "description": "Require a current condition assessment and applicable intervention basis before recommending recommissioning, component replacement or conservation work.",
                "questions": [
                  {
                    "text": "Is the assessed instance maintained for operation, stored, abandoned or preserved, and which dated record establishes that status?",
                    "kind": "provenance",
                    "id": "operation-or-preservation-q01"
                  },
                  {
                    "text": "Which manufacturer instructions, operator requirements or conservation conditions govern the proposed intervention, and who issued them?",
                    "kind": "action",
                    "id": "operation-or-preservation-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "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": [
                  "This description is based on recall, without consulted sources.",
                  "Check generation-specific dimensions, mass, engine ratings, towing capacity and introduction dates before adding numerical specifications.",
                  "The hazards listed are applicable operating risks; they are not claims about documented Kharkovchanka accidents or measured failure rates."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of Kharkovchanka 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": [
                  "First-generation Kharkovchanka, with driving and living spaces within a common vehicle body",
                  "Kharkovchanka-2, with a separate forward driving cab and rear accommodation body"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of Kharkovchanka 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": "Russian vehicle name",
                    "value_or_pattern": "Харьковчанка; Харьковчанка-2",
                    "note": "Names distinguish the original design and its second generation, rather than individual vehicles."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of Kharkovchanka 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": [
                  "Overland transport for Soviet Antarctic expeditions",
                  "Hauling sledges carrying fuel, equipment and other expedition supplies",
                  "Providing heated accommodation during extended Antarctic traverses",
                  "Supporting journeys between coastal stations and inland Antarctic locations"
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of Kharkovchanka 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": [
                  "Crevasse falls and snow-bridge collapse during glacier travel",
                  "Loss of traction or immobilization in deep snow",
                  "Cold-related difficulties with diesel starting, batteries, fuel and lubricants",
                  "Track or drivetrain failure far from repair facilities",
                  "Fire or exhaust intrusion affecting occupied accommodation"
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of Kharkovchanka 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": [
                  "Developed in Kharkiv, then in the Ukrainian Soviet Socialist Republic, for Antarctic operations",
                  "English transliterations include Kharkovchanka and Kharkovchanka-2; these retain the Russian-derived historical vehicle names"
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of Kharkovchanka 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": "AT-T heavy artillery tractor",
                    "difference": "The AT-T was a military towing vehicle whose running gear provided the basis for the original Kharkovchanka; Kharkovchanka added specialized Antarctic transport and accommodation capabilities."
                  },
                  {
                    "name": "Snowcat",
                    "difference": "Snowcat is a broad category of tracked snow vehicle; Kharkovchanka identifies a particular expedition-vehicle family."
                  },
                  {
                    "name": "Antarctic Snow Cruiser",
                    "difference": "The Antarctic Snow Cruiser was a separate American wheeled expedition vehicle; Kharkovchanka was Soviet and tracked."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Kharkovchanka this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Does vr.tr.kharkovchanka denote only the original design or a family including Kharkovchanka-2, and does an existing Vercy world model already own that concept?",
    "Which original manuals or drawings establish generation-specific engine ratings, dimensions, vehicle mass, towing limits and track geometry?",
    "What tested temperature, altitude and endurance envelopes can be distinguished from expedition anecdotes and publicity figures?",
    "Which heating, ventilation, starting protections and emergency provisions were original equipment, and which appeared through later modifications?",
    "Which authoritative maintenance requirements, standards or conservation conditions apply to each surviving configuration, and is any claimed certification actually documented?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 17,
    "questions": 27
  }
}
