{
    "model": {
        "rank": 1835,
        "code": "thing-q39558",
        "model_id": "vr.tr.gasoline",
        "name": "gasoline",
        "purpose": "Enable an AI agent to recognise gasoline, assess the condition and suitability of a particular quantity, and determine which uses or handling actions are supported by available evidence.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q39558/",
        "tier": 2,
        "score": 125,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "Unleaded 91",
                "Premium 98",
                "reformulated gasoline",
                "high octane gasoline",
                "Premium",
                "avgas",
                "unleaded gasoline",
                "biogasoline",
                "leaded gasoline",
                "lead replacement petrol",
                "Unleaded 95"
            ],
            "aliasCount": 11,
            "merged": 11,
            "knownIn": 125,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.gasoline",
            "source": {
                "dataset": "wikidata",
                "item": "Q39558",
                "url": "https://www.wikidata.org/wiki/Q39558",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-06T21:56:50Z",
                "providers": [
                    "Codex"
                ],
                "missingProviders": [
                    "Grok"
                ],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": null,
                        "turns": null,
                        "seconds": 2.2,
                        "error": "Error: Internal error: {\n  \"message\": \"API error (status 402 Payment Required): Grok Build usage balance exhausted\",\n  \"http_status\": 402\n}",
                        "retried": true
                    },
                    "codex": {
                        "seconds": 68.4,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\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: 01a078b8-59a0-7561-bb4d-66f891e8e96e\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: gasoline\nRegistry id: vr.tr.gasoline\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q39558",
                "registryId": "vr.tr.gasoline",
                "name": "gasoline",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.MAT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q39558/",
            "model": {
                "registry_id": "vr.tr.gasoline",
                "name": "gasoline",
                "purpose": "Enable an AI agent to recognise gasoline, assess the condition and suitability of a particular quantity, and determine which uses or handling actions are supported by available evidence.",
                "definition": "",
                "scope_statement": "This model owns gasoline as a formulated fuel mixture and identifiable material quantity, including its composition, grade, performance properties, condition, compatibility and constraints on use; containers, equipment and operations remain linked neighbouring things.",
                "in_scope": [
                    "Identification of a material as gasoline and the intended gasoline application",
                    "Blend composition, oxygenates, additives and declared grade",
                    "Measured fuel properties and evidence supporting conformity",
                    "Contamination, deterioration and changes during storage or mixing",
                    "Suitability for a specified engine, fuel system or further blending operation",
                    "Material-specific handling constraints and disposition decisions"
                ],
                "out_of_scope": [
                    "Design, integrity and certification of tanks, cans and pipelines",
                    "Design and operating state of engines, vehicles and dispensing equipment",
                    "Refinery processes and production equipment",
                    "Transport operations, routes and carrier management",
                    "Commercial pricing, taxation and ownership accounting",
                    "Spill response operations and environmental remediation"
                ],
                "distinguishing_features": [
                    "Distinguish finished gasoline from naphtha or a gasoline blendstock by evidence of intended finished-fuel use and qualification; a hydrocarbon description alone is insufficient.",
                    "Distinguish gasoline from diesel or kerosene using product identification and an appropriate property profile, including volatility or distillation evidence; colour and smell are insufficient.",
                    "Distinguish an oxygenated gasoline blend from an alcohol fuel using documented composition and the applicable fuel classification, leaving unresolved thresholds explicit.",
                    "Distinguish automotive gasoline from aviation gasoline through the declared application and applicable specification; a shared gasoline name or apparently similar octane number does not establish interchangeability.",
                    "Distinguish usable gasoline from contaminated or off-specification gasoline without treating failure of a quality requirement as automatic loss of gasoline identity."
                ],
                "characteristics": [
                    {
                        "name": "Declared fuel class and application",
                        "kind": "category",
                        "unit_or_values": "Automotive gasoline, aviation gasoline, other specified gasoline application, or unresolved",
                        "why_it_matters": "Establishes which requirements and compatibility questions apply."
                    },
                    {
                        "name": "Quantity and lot identity",
                        "kind": "relation",
                        "unit_or_values": "Identified batch or material quantity linked to production, delivery, transfer and mixing records",
                        "why_it_matters": "Connects composition and test evidence to the gasoline actually under consideration."
                    },
                    {
                        "name": "Oxygenate composition",
                        "kind": "measurement",
                        "unit_or_values": "Concentration by named constituent, with mass or volume basis and test method",
                        "why_it_matters": "Helps assess fuel classification, equipment compatibility and water-related behaviour."
                    },
                    {
                        "name": "Lead and additive formulation",
                        "kind": "category",
                        "unit_or_values": "Declared lead status and named additive package; concentrations where known; unknown where undocumented",
                        "why_it_matters": "Can determine application compatibility and restrictions that octane alone cannot reveal."
                    },
                    {
                        "name": "Octane rating",
                        "kind": "measurement",
                        "unit_or_values": "Reported value with rating system, such as RON, MON or AKI, and test method",
                        "why_it_matters": "Supports comparison with engine requirements without conflating different rating systems."
                    },
                    {
                        "name": "Vapour pressure",
                        "kind": "measurement",
                        "unit_or_values": "kPa, with test method, test conditions and sample date",
                        "why_it_matters": "Supports assessment of volatility, application suitability and the relevant grade requirements."
                    },
                    {
                        "name": "Distillation profile",
                        "kind": "measurement",
                        "unit_or_values": "Temperature in °C at specified recovered or evaporated fractions, with method",
                        "why_it_matters": "Describes boiling behaviour that a single vapour-pressure value cannot capture."
                    },
                    {
                        "name": "Water and phase condition",
                        "kind": "state",
                        "unit_or_values": "Reported water content and observed phase state, including separate liquid phase, haze, no visible separation or unexamined",
                        "why_it_matters": "Helps identify material that needs investigation before transfer or use."
                    },
                    {
                        "name": "Contaminant and deterioration indicators",
                        "kind": "measurement",
                        "unit_or_values": "Named analytes or test results, such as particulate burden, gum or oxidation stability, with units and methods",
                        "why_it_matters": "Provides evidence of condition beyond a product label or storage age."
                    },
                    {
                        "name": "Specification conformity",
                        "kind": "state",
                        "unit_or_values": "Demonstrated, failed, partially assessed or unknown against an identified specification edition and applicable grade",
                        "why_it_matters": "Separates a declared grade from a supported conformity judgment."
                    },
                    {
                        "name": "Receiving-system compatibility",
                        "kind": "relation",
                        "unit_or_values": "Gasoline quantity linked to documented requirements of a named engine or fuel system",
                        "why_it_matters": "Makes suitability specific to the intended recipient rather than assuming all gasoline is interchangeable."
                    }
                ],
                "affordances": [
                    "Classify a gasoline quantity and identify evidence missing from its declared grade.",
                    "Compare documented properties with a specified engine, fuel system or fuel requirement.",
                    "Request representative sampling or targeted testing where condition or identity is uncertain.",
                    "Determine whether proposed commingling requires compatibility review and subsequent qualification.",
                    "Assign a supported disposition such as release for a specified use, hold for investigation or referral for reprocessing.",
                    "Identify material-specific constraints for a linked storage, transfer or handling operation."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "gasoline-identity-and-formulation",
                        "name": "Gasoline identity and formulation",
                        "description": "Establishes what the material is, which gasoline family it belongs to and what is known about its formulation.",
                        "rationale": "The gasoline name alone does not distinguish finished fuel, blendstock, application class or composition-dependent compatibility.",
                        "layers": [
                            {
                                "id": "fuel-class-boundary",
                                "name": "Fuel class boundary",
                                "description": "Separates gasoline identity from neighbouring fuel classes and from suitability for a particular use.",
                                "findings": [
                                    {
                                        "id": "finished-gasoline-identification",
                                        "name": "Finished gasoline identification",
                                        "description": "Record evidence for classification as finished gasoline, retaining uncertainty where the material may instead be a blendstock or another fuel.",
                                        "questions": [
                                            {
                                                "text": "What product documentation or analysis identifies this material as gasoline, and for which application?",
                                                "kind": "definition",
                                                "id": "finished-gasoline-identification-q01"
                                            },
                                            {
                                                "text": "What distinguishes this quantity from naphtha, gasoline blendstock, diesel, kerosene or an alcohol fuel?",
                                                "kind": "boundary",
                                                "id": "finished-gasoline-identification-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "blend-constituents",
                                "name": "Blend constituents",
                                "description": "Captures formulation details that change gasoline classification, behaviour or permitted applications.",
                                "findings": [
                                    {
                                        "id": "oxygenates-lead-and-additives",
                                        "name": "Oxygenates, lead and additives",
                                        "description": "Record known oxygenates, lead status and additive information without implying that an undisclosed formulation is fully characterised.",
                                        "questions": [
                                            {
                                                "text": "Which oxygenates are present, at what concentrations and on what measurement basis?",
                                                "kind": "measurement",
                                                "id": "oxygenates-lead-and-additives-q01"
                                            },
                                            {
                                                "text": "Which supplier records or analyses establish lead status and the additive package?",
                                                "kind": "provenance",
                                                "id": "oxygenates-lead-and-additives-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "gasoline-performance-and-grade",
                        "name": "Gasoline performance and grade",
                        "description": "Connects gasoline performance measurements to a declared grade and its applicable requirements.",
                        "rationale": "Octane, volatility and other quality properties answer different suitability questions and must not be collapsed into a single grade label.",
                        "layers": [
                            {
                                "id": "knock-resistance",
                                "name": "Knock resistance",
                                "description": "Makes octane evidence comparable only within an identified rating system and application.",
                                "findings": [
                                    {
                                        "id": "octane-rating-evidence",
                                        "name": "Octane rating evidence",
                                        "description": "Record the rating system, value and evidential basis for the gasoline's stated knock resistance.",
                                        "questions": [
                                            {
                                                "text": "What octane values are reported, under which rating systems and test methods?",
                                                "kind": "measurement",
                                                "id": "octane-rating-evidence-q01"
                                            },
                                            {
                                                "text": "Are those values supplier declarations, measurements of this lot or estimates following blending?",
                                                "kind": "provenance",
                                                "id": "octane-rating-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "volatility-and-grade-conformity",
                                "name": "Volatility and grade conformity",
                                "description": "Assesses volatility and the broader requirements relevant to the declared gasoline grade.",
                                "findings": [
                                    {
                                        "id": "applicable-quality-envelope",
                                        "name": "Applicable quality envelope",
                                        "description": "Record vapour-pressure and distillation evidence alongside the exact specification used to judge the quantity.",
                                        "questions": [
                                            {
                                                "text": "What vapour-pressure and distillation results apply to this quantity, with which methods and sample dates?",
                                                "kind": "measurement",
                                                "id": "applicable-quality-envelope-q01"
                                            },
                                            {
                                                "text": "Which specification edition, application, location and seasonal requirements define the grade being assessed?",
                                                "kind": "boundary",
                                                "id": "applicable-quality-envelope-q02"
                                            },
                                            {
                                                "text": "Which required properties have passed, failed or remain untested?",
                                                "kind": "measurement",
                                                "id": "applicable-quality-envelope-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "gasoline-condition-and-change",
                        "name": "Gasoline condition and change",
                        "description": "Describes the present material condition and evidence of changes since production or qualification.",
                        "rationale": "A gasoline quantity can retain its original label after contamination, deterioration or a change in composition.",
                        "layers": [
                            {
                                "id": "water-and-foreign-material",
                                "name": "Water and foreign material",
                                "description": "Assesses water, phase condition and contamination that may invalidate use assumptions.",
                                "findings": [
                                    {
                                        "id": "contamination-and-phase-evidence",
                                        "name": "Contamination and phase evidence",
                                        "description": "Record observations and measurements separately, including whether the sample represents the full quantity.",
                                        "questions": [
                                            {
                                                "text": "What evidence exists for water, a separate phase, particulate matter or admixture with another fuel?",
                                                "kind": "measurement",
                                                "id": "contamination-and-phase-evidence-q01"
                                            },
                                            {
                                                "text": "Where, when and how was the sample taken, and could stratification leave part of the quantity unrepresented?",
                                                "kind": "provenance",
                                                "id": "contamination-and-phase-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "storage-related-change",
                                "name": "Storage-related change",
                                "description": "Relates storage and exposure history to evidence of deterioration or altered volatility.",
                                "findings": [
                                    {
                                        "id": "condition-since-qualification",
                                        "name": "Condition since qualification",
                                        "description": "Track events that may weaken earlier quality evidence without assigning an unsupported universal shelf life.",
                                        "questions": [
                                            {
                                                "text": "What storage duration, temperature history, air or water exposure and transfers are documented since qualification?",
                                                "kind": "provenance",
                                                "id": "condition-since-qualification-q01"
                                            },
                                            {
                                                "text": "What current measurements indicate oxidation-related deterioration, gum formation or changed volatility?",
                                                "kind": "measurement",
                                                "id": "condition-since-qualification-q02"
                                            },
                                            {
                                                "text": "What evidence would justify continued use or trigger resampling after the recorded exposures?",
                                                "kind": "action",
                                                "id": "condition-since-qualification-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "gasoline-compatibility-and-commingling",
                        "name": "Gasoline compatibility and commingling",
                        "description": "Determines whether the gasoline fits a particular receiving system or proposed mixture.",
                        "rationale": "Conformity to a gasoline grade does not by itself establish compatibility with every engine, material or other gasoline batch.",
                        "layers": [
                            {
                                "id": "engine-and-fuel-system-fit",
                                "name": "Engine and fuel-system fit",
                                "description": "Compares the material with the requirements of its intended recipient.",
                                "findings": [
                                    {
                                        "id": "recipient-specific-suitability",
                                        "name": "Recipient-specific suitability",
                                        "description": "Record a compatibility judgment tied to named equipment requirements and the properties of this gasoline.",
                                        "questions": [
                                            {
                                                "text": "What requirements does the receiving engine or fuel system specify for gasoline class, octane, oxygenates, lead and additives?",
                                                "kind": "boundary",
                                                "id": "recipient-specific-suitability-q01"
                                            },
                                            {
                                                "text": "Which documented properties support use in that system, and which mismatches or unknowns prevent release?",
                                                "kind": "action",
                                                "id": "recipient-specific-suitability-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "mixing-and-resulting-identity",
                                "name": "Mixing and resulting identity",
                                "description": "Treats commingling as a material change whose resulting properties require support.",
                                "findings": [
                                    {
                                        "id": "commingled-fuel-qualification",
                                        "name": "Commingled fuel qualification",
                                        "description": "Preserve input-lot traceability and distinguish predicted properties from qualification of the resulting gasoline.",
                                        "questions": [
                                            {
                                                "text": "Which gasoline or blendstock quantities would be combined, with what documented compositions and proportions?",
                                                "kind": "provenance",
                                                "id": "commingled-fuel-qualification-q01"
                                            },
                                            {
                                                "text": "Which resulting properties need validated prediction or measurement before the mixture can receive a grade or be used?",
                                                "kind": "action",
                                                "id": "commingled-fuel-qualification-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "gasoline-handling-and-disposition",
                        "name": "Gasoline handling and disposition",
                        "description": "Connects material-specific hazard evidence and quality judgments to bounded handling and disposition decisions.",
                        "rationale": "An agent needs to distinguish a gasoline quantity that is suitable for a use from one that can also be handled under the proposed conditions.",
                        "layers": [
                            {
                                "id": "material-specific-handling-constraints",
                                "name": "Material-specific handling constraints",
                                "description": "Identifies gasoline-related requirements that linked storage and transfer operations must satisfy.",
                                "findings": [
                                    {
                                        "id": "handling-evidence-and-applicability",
                                        "name": "Handling evidence and applicability",
                                        "description": "Link the actual formulation to applicable hazard documentation and operation-specific constraints.",
                                        "questions": [
                                            {
                                                "text": "Which safety data sheet and hazard classification apply to this formulation and jurisdiction?",
                                                "kind": "provenance",
                                                "id": "handling-evidence-and-applicability-q01"
                                            },
                                            {
                                                "text": "What constraints concerning vapour ignition, static accumulation, exposure and material compatibility must the proposed operation satisfy?",
                                                "kind": "action",
                                                "id": "handling-evidence-and-applicability-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "release-hold-and-reprocessing",
                                "name": "Release, hold and reprocessing",
                                "description": "Expresses what may happen to the gasoline given its identity, condition and intended destination.",
                                "findings": [
                                    {
                                        "id": "evidence-backed-disposition",
                                        "name": "Evidence-backed disposition",
                                        "description": "Record the supported disposition, its evidential basis and the unresolved conditions that limit it.",
                                        "questions": [
                                            {
                                                "text": "Does the available evidence support release for a named use, a hold for testing or referral for reprocessing or waste assessment?",
                                                "kind": "action",
                                                "id": "evidence-backed-disposition-q01"
                                            },
                                            {
                                                "text": "Which missing result, failed requirement or subsequent material change would alter that disposition?",
                                                "kind": "boundary",
                                                "id": "evidence-backed-disposition-q02"
                                            },
                                            {
                                                "text": "Who or what authority established the disposition, for which quantity and on which evidence?",
                                                "kind": "provenance",
                                                "id": "evidence-backed-disposition-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the authoritative registry intend gasoline to include aviation gasoline and high-oxygenate gasoline blends, or are those covered by existing neighbouring models?",
                "Which existing Vercy models already own fuel specifications, material lots, mixtures and hazardous-material classifications, and which concepts should this model reference?",
                "Which authoritative specifications and test methods should anchor each included gasoline application, jurisdiction and seasonal grade?",
                "What evidence and sampling criteria are sufficient to reassess gasoline after storage, suspected contamination or commingling, without inventing a universal shelf life?",
                "Which validated sources can support blend-property predictions and the boundary between off-specification gasoline, reprocessing feedstock and waste?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 10,
                "questions": 23
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "chemical substance or material",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a gasoline, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise gasoline, assess the condition and suitability of a particular quantity, and determine which uses or handling actions are supported by available evidence.",
            "characteristics": {
                "substance": "material",
                "origin": "natural",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured",
                "consumed or used up"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: Unleaded 91, Premium 98, reformulated gasoline, high octane gasoline, Premium, avgas, unleaded gasoline, biogasoline, leaded gasoline, lead replacement petrol, Unleaded 95.",
                "11 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 125 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a gasoline, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state",
                "use it up, and then need more of it"
            ],
            "howItIsRecognised": [
                "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "Unleaded 91",
                        "Premium 98",
                        "reformulated gasoline",
                        "high octane gasoline",
                        "Premium",
                        "avgas",
                        "unleaded gasoline",
                        "biogasoline",
                        "leaded gasoline",
                        "lead replacement petrol",
                        "Unleaded 95"
                    ]
                }
            ],
            "standing": "Described in 125 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 11 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one gasoline from another, and a gasoline from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a gasoline sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a gasoline from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "form-and-composition",
                        "name": "Form, composition and condition",
                        "description": "What a gasoline is made of, what shape and size it takes, and what state it is in.",
                        "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.",
                        "layers": [
                            {
                                "id": "form-and-dimensions",
                                "name": "Form and dimensions",
                                "description": "Shape, size, mass and the ranges these take across examples.",
                                "findings": [
                                    {
                                        "id": "measurable-dimensions",
                                        "name": "Measurable dimensions and their units",
                                        "description": "The quantities worth recording and the units they are recorded in.",
                                        "questions": [
                                            {
                                                "id": "measurable-dimensions-q01",
                                                "text": "What identifies and describes the dimensions of a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q02",
                                                "text": "Who or what asserted this about the dimensions of a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q03",
                                                "text": "What may an agent decide or do once the dimensions of a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "material-and-composition",
                                "name": "Material and composition",
                                "description": "Materials, parts and how they are put together.",
                                "findings": [
                                    {
                                        "id": "parts-and-materials",
                                        "name": "Parts and materials",
                                        "description": "What a gasoline is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q02",
                                                "text": "Who or what asserted this about the composition of a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q03",
                                                "text": "What may an agent decide or do once the composition of a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-integrity",
                                "name": "Condition and integrity",
                                "description": "Wear, damage, health and the difference between working and broken.",
                                "findings": [
                                    {
                                        "id": "condition-assessment",
                                        "name": "Condition, damage and health",
                                        "description": "How the condition of a gasoline is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q02",
                                                "text": "Who or what asserted this about the condition of a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q03",
                                                "text": "What may an agent decide or do once the condition of a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "place-and-movement",
                        "name": "Place and movement",
                        "description": "Where a gasoline is, how it got there and where it may go (varies).",
                        "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.",
                        "layers": [
                            {
                                "id": "location-and-placement",
                                "name": "Location and placement",
                                "description": "Position, containment and the reference frame the position is given in.",
                                "findings": [
                                    {
                                        "id": "position-and-frame",
                                        "name": "Position, container and reference frame",
                                        "description": "Where a gasoline is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q02",
                                                "text": "Who or what asserted this about the location of a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q03",
                                                "text": "What may an agent decide or do once the location of a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "movement-and-transfer",
                                "name": "Movement and transfer",
                                "description": "How a gasoline is carried, installed or relocated.",
                                "findings": [
                                    {
                                        "id": "movement-events",
                                        "name": "Movement events and constraints",
                                        "description": "What counts as a movement, what records it and what limits it.",
                                        "questions": [
                                            {
                                                "id": "movement-events-q01",
                                                "text": "What identifies and describes the movement of a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q02",
                                                "text": "Who or what asserted this about the movement of a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q03",
                                                "text": "What may an agent decide or do once the movement of a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a gasoline passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a gasoline between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a gasoline, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a gasoline is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "use-and-operation",
                        "name": "Use and operation",
                        "description": "What can be done with a gasoline and what it takes to do it.",
                        "rationale": "An agent that can recognise a thing but not act on it has only half a model.",
                        "layers": [
                            {
                                "id": "intended-use",
                                "name": "Intended use and function",
                                "description": "What a gasoline is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a gasoline performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q02",
                                                "text": "Who or what asserted this about the use of a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q03",
                                                "text": "What may an agent decide or do once the use of a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "handling-and-procedure",
                                "name": "Handling and procedure",
                                "description": "The steps, skills and tools involved in using a gasoline.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a gasoline at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q02",
                                                "text": "Who or what asserted this about handling a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q03",
                                                "text": "What may an agent decide or do once handling a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "supply-and-consumption",
                                "name": "Supply and consumption",
                                "description": "Quantities, rates and what running out means.",
                                "findings": [
                                    {
                                        "id": "consumption-and-stock",
                                        "name": "Consumption, stock and replenishment",
                                        "description": "How much of a gasoline there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "consumption-and-stock-q02",
                                                "text": "Who or what asserted this about the supply of a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "consumption-and-stock-q03",
                                                "text": "What may an agent decide or do once the supply of a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "composition-and-identity",
                        "name": "Composition, grade and chemical identity",
                        "description": "What gasoline is made of and how pure the thing in hand is.",
                        "rationale": "Grade decides what a substance may be used for, so a model that records only the name cannot support any decision about use.",
                        "layers": [
                            {
                                "id": "chemical-identity",
                                "name": "Chemical identity",
                                "description": "Formula, structure and the registry numbers that name it unambiguously.",
                                "findings": [
                                    {
                                        "id": "identity-record",
                                        "name": "Identity and registry numbers",
                                        "description": "What identifies this substance across suppliers and regulators.",
                                        "questions": [
                                            {
                                                "id": "identity-record-q01",
                                                "text": "What formula, structure and registry identifiers name gasoline unambiguously?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "identity-record-q02",
                                                "text": "Which related substances share a name in common use but not an identifier?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "grade-and-impurities",
                                "name": "Grade, purity and impurities",
                                "description": "The specification a batch meets and what else is in it.",
                                "findings": [
                                    {
                                        "id": "specification",
                                        "name": "Specification and assay",
                                        "description": "How purity is stated and measured, and which impurities matter.",
                                        "questions": [
                                            {
                                                "id": "specification-q01",
                                                "text": "What grades of gasoline exist, how is purity assayed, and which impurities are limited?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "specification-q02",
                                                "text": "Which use requires which grade, and what happens when a lower grade is substituted?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "properties-and-behaviour",
                        "name": "Properties and behaviour",
                        "description": "How gasoline behaves under conditions an agent can measure or change.",
                        "rationale": "Physical constants are the part of a substance model that transfers between contexts, and each needs its unit and its conditions.",
                        "layers": [
                            {
                                "id": "physical-constants",
                                "name": "Physical constants",
                                "description": "Values that hold for the pure substance, with their conditions.",
                                "findings": [
                                    {
                                        "id": "constants-record",
                                        "name": "Constants and conditions",
                                        "description": "The quantities worth recording and the state they apply in.",
                                        "questions": [
                                            {
                                                "id": "constants-record-q01",
                                                "text": "What are the defining physical constants of gasoline, in what units and under what conditions?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "constants-record-q02",
                                                "text": "Which of these values change with grade or form rather than being fixed?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "stability-and-reactivity",
                                "name": "Stability and reactivity",
                                "description": "What it reacts with, degrades into, and how it is stored.",
                                "findings": [
                                    {
                                        "id": "incompatibilities",
                                        "name": "Incompatibilities and degradation",
                                        "description": "What must not meet it, and what it becomes over time.",
                                        "questions": [
                                            {
                                                "id": "incompatibilities-q01",
                                                "text": "What is gasoline incompatible with, and what does it degrade into under storage?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "incompatibilities-q02",
                                                "text": "What storage and handling does that require, and who is competent to do it?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "hazard-and-regulation",
                        "name": "Hazard classification and regulation",
                        "description": "How gasoline can harm, and what the law says about holding and moving it.",
                        "rationale": "A substance model without its hazard class and its regulatory identity is unusable in exactly the situations that matter.",
                        "layers": [
                            {
                                "id": "hazard-class",
                                "name": "Hazard classification",
                                "description": "Classified hazards, exposure limits and protective measures.",
                                "findings": [
                                    {
                                        "id": "classified-hazards",
                                        "name": "Classified hazards and limits",
                                        "description": "The classification, the scheme it belongs to, and the limits set.",
                                        "questions": [
                                            {
                                                "id": "classified-hazards-q01",
                                                "text": "How is gasoline classified for hazard, under which scheme, and what exposure limits apply?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "classified-hazards-q02",
                                                "text": "What protection does handling require, and what must an agent refuse to do without it?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "regulatory-identity",
                                "name": "Regulatory identity and control",
                                "description": "Registration, restriction and transport rules by jurisdiction.",
                                "findings": [
                                    {
                                        "id": "controls",
                                        "name": "Controls and jurisdiction",
                                        "description": "Where it is restricted and what the restriction attaches to.",
                                        "questions": [
                                            {
                                                "id": "controls-q01",
                                                "text": "Which registrations, restrictions or transport rules cover gasoline, and where?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "controls-q02",
                                                "text": "Does the control attach to the substance, its concentration, or its intended use?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a gasoline came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a gasoline and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a gasoline is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a gasoline, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a gasoline, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a gasoline is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 9,
                "layers": 20,
                "findings": 22,
                "questions": 60
            }
        }
    }
}