{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T10:06:49Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 1,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T17:00:00Z",
      "ingestedAt": "2026-10-05T13:26:30+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:59+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q42501",
    "registryId": "vr.tr.fuel",
    "name": "fuel",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.MAT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q42501/",
  "model": {
    "registry_id": "vr.tr.fuel",
    "name": "fuel",
    "purpose": "Let an agent handle fuels by type, energy content, emissions, storage safety and regulation.",
    "definition": "A material that releases usable energy through combustion, nuclear reaction or other chemical or physical change, such as wood, coal, natural gas, petrol, diesel, hydrogen, biofuels and nuclear fuel.",
    "what_it_is_for": "Heating, transport, electricity and industry.",
    "affordances": [
      "compare energy content of fuels",
      "check storage and handling rules",
      "compare emissions",
      "check fuel quality standards"
    ],
    "distinguishing_features": [
      "Stores releasable energy",
      "Solid, liquid, gas or nuclear",
      "Emissions vary",
      "Hazardous to store"
    ],
    "appearance": "Solids, liquids or gases stored in tanks, cylinders, piles or pellets.",
    "visual_identification": [
      "Hazard labels and fuel grades",
      "Pump labels such as E10 or B7",
      "Food as fuel for the body is figurative"
    ],
    "physical_properties": [
      {
        "quantity": "petrol energy density",
        "typical_range": "about 44-46",
        "unit": "MJ/kg",
        "note": "lower heating value approx."
      },
      {
        "quantity": "dry wood energy density",
        "typical_range": "about 15-19",
        "unit": "MJ/kg",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "fossil fuels",
      "biofuels and biomass",
      "hydrogen and synthetic fuels",
      "nuclear fuels",
      "fuel oils and vegetable oils"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "energetic material",
        "why": "category"
      },
      {
        "relation": "releases",
        "target": "energy",
        "why": "output"
      },
      {
        "relation": "produces",
        "target": "emissions",
        "why": "by-product"
      },
      {
        "relation": "is burned in",
        "target": "engine and boiler",
        "why": "use"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "EN 228 petrol and EN 590 diesel",
      "Renewable Energy Directive",
      "ADR rules for transporting dangerous goods"
    ],
    "failure_modes_and_hazards": [
      "Fire and explosion",
      "Carbon monoxide",
      "Spills and pollution"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Report fuel levels, consumption and stock for equipment the agent is authorized to monitor.",
        "Give general information on fuel types, energy content and safe storage rules."
      ],
      "must_not": [
        "Store, transfer or burn fuel near ignition sources or in unventilated spaces.",
        "Help make incendiary or explosive devices from fuel.",
        "Mix up fuels, such as putting the wrong fuel in an engine or heater.",
        "Help evade fuel duty, adulterate fuel or sell it under a false grade."
      ],
      "requires_human": [
        "Refuelling or transferring fuel in bulk.",
        "Handling a leak or spill."
      ]
    },
    "ethics": {
      "considerations": [
        "Fuel fires, explosions and fumes kill and injure people every year.",
        "Burning fuel drives air pollution and climate change, with unequal effects."
      ],
      "affected_parties": [
        "People near storage and use",
        "Workers who handle it",
        "Communities exposed to emissions"
      ]
    },
    "owners": {
      "steward": "The person or business that holds it; energy and safety regulators license bulk storage and sale.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q42501: fuel",
      "url": "https://www.wikidata.org/wiki/Q42501",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Fuel",
      "url": "https://en.wikipedia.org/wiki/Fuel",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "fuel",
        "name": "Fuel",
        "description": "Which fuel.",
        "rationale": "Types differ.",
        "layers": [
          {
            "id": "type",
            "name": "Type",
            "description": "Kind.",
            "findings": [
              {
                "id": "type-finding",
                "name": "Type",
                "description": "Fuel type.",
                "questions": [
                  {
                    "text": "Which fuel and grade is meant?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which standard does it meet?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "energy",
            "name": "Energy",
            "description": "Content.",
            "findings": [
              {
                "id": "energy-finding",
                "name": "Energy",
                "description": "Energy content.",
                "questions": [
                  {
                    "text": "What is its energy content per kilogram or litre?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is it lower or higher heating value?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "safety",
        "name": "Safety",
        "description": "Handling.",
        "rationale": "Fuels are hazardous.",
        "layers": [
          {
            "id": "storage",
            "name": "Storage",
            "description": "Rules.",
            "findings": [
              {
                "id": "storage-finding",
                "name": "Storage",
                "description": "Storage.",
                "questions": [
                  {
                    "text": "What storage rules and quantity limits apply?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which container is approved?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "incidents",
            "name": "Incidents",
            "description": "Leaks and fires.",
            "findings": [
              {
                "id": "incidents-finding",
                "name": "Incidents",
                "description": "Incidents.",
                "questions": [
                  {
                    "text": "What should someone do in case of a leak, spill or fire?",
                    "kind": "action"
                  },
                  {
                    "text": "Which emergency number applies?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "environment",
        "name": "Environment",
        "description": "Emissions.",
        "rationale": "Emissions matter.",
        "layers": [
          {
            "id": "emissions",
            "name": "Emissions",
            "description": "CO2 and pollutants.",
            "findings": [
              {
                "id": "emissions-finding",
                "name": "Emissions",
                "description": "Emissions.",
                "questions": [
                  {
                    "text": "What are its CO2 and pollutant emissions per unit energy?",
                    "kind": "measurement"
                  },
                  {
                    "text": "From which emission factor source?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "alternatives",
            "name": "Alternatives",
            "description": "Lower carbon.",
            "findings": [
              {
                "id": "alternatives-finding",
                "name": "Alternatives",
                "description": "Alternatives.",
                "questions": [
                  {
                    "text": "Which lower-carbon alternatives exist for this use?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What are the trade-offs?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "use",
        "name": "Use",
        "description": "Compatibility.",
        "rationale": "Wrong fuel damages equipment.",
        "layers": [
          {
            "id": "compatibility",
            "name": "Compatibility",
            "description": "Engines.",
            "findings": [
              {
                "id": "compatibility-finding",
                "name": "Compatibility",
                "description": "Compatibility.",
                "questions": [
                  {
                    "text": "Is this fuel compatible with the engine or appliance?",
                    "kind": "boundary"
                  },
                  {
                    "text": "What does the manufacturer say?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "misfuel",
            "name": "Misfuelling",
            "description": "Wrong fuel.",
            "findings": [
              {
                "id": "misfuel-finding",
                "name": "Misfuelling",
                "description": "Misfuelling.",
                "questions": [
                  {
                    "text": "What should someone do after putting the wrong fuel in a vehicle?",
                    "kind": "action"
                  },
                  {
                    "text": "Should the engine be started?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each fuel be a separate entry?",
    "How should fuel standards be linked?",
    "How should emission factors be sourced?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}