{ "model": { "rank": 3553, "code": "thing-q38423", "model_id": "vr.tr.diesel-fuel", "name": "diesel fuel", "purpose": "Enable an agent to identify a diesel fuel lot, assess its condition and compatibility, and determine whether it can be stored, transferred or used in a specified compression-ignition application.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q38423/", "tier": 2, "score": 84, "payload": { "layer": "wikidata", "aliases": [ "marine diesel oil", "CTL diesel", "red diesel", "ultra-low-sulfur diesel", "paraffinic diesel", "petrodiesel" ], "aliasCount": 6, "merged": 6, "knownIn": 84, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q38423", "url": "https://www.wikidata.org/wiki/Q38423", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T14:32:23Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 32.8, "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: 01a07c47-9c4e-78a2-8a7d-7a834aa755fd\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: diesel fuel\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 004: 1001 reg", "usd": 0, "recall": true }, "codex": { "seconds": 80.5, "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: 01a07c47-9c42-7273-83d2-da3857efd0e1\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: diesel fuel\nRegistry id: vr.tr.diesel-fuel\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\n" } } }, "metaModel": { "id": "THING-Q38423", "registryId": "vr.tr.diesel-fuel", "name": "diesel fuel", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q38423/", "model": { "registry_id": "vr.tr.diesel-fuel", "name": "diesel fuel", "purpose": "Enable an agent to identify a diesel fuel lot, assess its condition and compatibility, and determine whether it can be stored, transferred or used in a specified compression-ignition application.", "definition": "Diesel fuel is a liquid fuel formulated for compression-ignition engines, conventionally consisting of petroleum-derived middle-distillate hydrocarbons, with composition and performance varying by grade and by inclusion of biodiesel or synthetic and renewable hydrocarbons.", "scope_statement": "This model owns diesel fuel as a specified liquid fuel mixture, including its composition, grade, measured properties, condition and use constraints; it distinguishes the registered material kind from individual products, lots and samples.", "in_scope": [ "Diesel fuel identity, intended application, grade and applicable specification", "Petroleum-derived, paraffinic and biodiesel blend composition where classified as diesel fuel", "Lot-specific ignition, flow, combustion and contamination properties", "Storage condition, ageing and treatment history", "Fuel-specific handling hazards, environmental constraints and release decisions" ], "out_of_scope": [ "Engine, injector and exhaust-treatment system design", "Refinery, hydrotreating and biodiesel manufacturing processes", "Storage tank, pipeline and dispensing equipment design", "Gasoline, aviation turbine fuel and heating oil as independently specified products", "Standalone additive and biodiesel blendstock models", "Fuel trading contracts, taxation systems and fleet operations" ], "distinguishing_features": [ "Identify a declared diesel application and supporting specification or test evidence; a liquid's appearance or trade name alone cannot establish diesel identity.", "Distinguish diesel from gasoline through its compression-ignition suitability and relevant ignition-quality and volatility evidence.", "Distinguish diesel from kerosene, jet fuel and heating oil by application-specific qualification; overlapping properties do not establish interchangeability.", "Distinguish petroleum diesel, paraffinic diesel and biodiesel-containing blends by documented composition rather than assuming that all diesel is petroleum-derived.", "Treat diesel as a variable mixture whose grade and lot require identification, rather than assigning one molecular formula or universal set of constants." ], "characteristics": [ { "name": "Application and specification", "kind": "category", "unit_or_values": "Intended service; specification identifier, edition, grade and jurisdiction", "why_it_matters": "Establishes the requirements against which a fuel lot can be assessed." }, { "name": "Lot and sample traceability", "kind": "relation", "unit_or_values": "Supplier, product, batch, sampling location, sampling time and test report", "why_it_matters": "Connects evidence to the actual fuel being accepted or used." }, { "name": "Composition and chemical identity", "kind": "category", "unit_or_values": "Declared fuel families, blend components, additive disclosures and applicable CAS or EC identifiers", "why_it_matters": "Prevents a variable mixture from being mistaken for a single substance and supports compatibility and hazard assessment." }, { "name": "Biodiesel content", "kind": "measurement", "unit_or_values": "Volume fraction in %, with component identity and test or declaration basis", "why_it_matters": "Can affect applicable grade, equipment acceptance and storage requirements." }, { "name": "Ignition quality", "kind": "measurement", "unit_or_values": "Cetane number, derived cetane number or cetane index; dimensionless, with method", "why_it_matters": "Supports assessment of compression-ignition performance while preserving distinctions between measured and calculated indicators." }, { "name": "Sulfur content", "kind": "measurement", "unit_or_values": "mg/kg, with method and detection limit", "why_it_matters": "Supports application-specific fuel compliance and exhaust-treatment compatibility." }, { "name": "Density", "kind": "measurement", "unit_or_values": "kg/m³ at a stated temperature", "why_it_matters": "Supports quantity conversion, blend assessment and interpretation of fuel delivery." }, { "name": "Kinematic viscosity", "kind": "measurement", "unit_or_values": "mm²/s at a stated temperature", "why_it_matters": "Helps assess fuel flow and suitability for the intended injection system." }, { "name": "Lubricity", "kind": "measurement", "unit_or_values": "Wear scar diameter in µm where applicable, with test method and conditions", "why_it_matters": "Provides evidence relevant to fuel-system wear protection." }, { "name": "Cold-flow behaviour", "kind": "measurement", "unit_or_values": "Cloud point, cold filter plugging point and pour point in °C, each with method", "why_it_matters": "Supports seasonal suitability without treating different cold-flow tests as interchangeable." }, { "name": "Distillation profile", "kind": "measurement", "unit_or_values": "Temperature in °C at stated recovered or evaporated fractions, with method", "why_it_matters": "Describes mixture volatility more appropriately than a single boiling point." }, { "name": "Flash point", "kind": "measurement", "unit_or_values": "°C, with test method", "why_it_matters": "Supports handling classification and investigation of possible volatile contamination." }, { "name": "Water and particulate contamination", "kind": "measurement", "unit_or_values": "Water in mg/kg or stated volume basis; free-water observation; particulate mass or counts with method", "why_it_matters": "Supports acceptance decisions and investigation of filter or injection-system problems." }, { "name": "Storage condition", "kind": "state", "unit_or_values": "Assessed condition, evidence of oxidation or microbial contamination, assessment date and uncertainty", "why_it_matters": "Separates original certification from the fuel's present condition." }, { "name": "Hazard and regulatory classification", "kind": "category", "unit_or_values": "Product-specific safety data sheet, applicable classification scheme, jurisdiction, revision and transport designation", "why_it_matters": "Links handling decisions to the actual mixture and applicable rules." } ], "affordances": [ "Match a documented fuel lot to an intended engine or service specification.", "Compare representative sample results with the applicable grade requirements.", "Assess seasonal cold-flow suitability for expected storage and operating temperatures.", "Determine whether proposed blending or additive treatment requires compatibility checks and retesting.", "Release, quarantine or route a lot for further assessment based on its current evidence.", "Retrieve product-specific storage, transfer and spill-response requirements." ] }, "sources": [], "structure": { "bundles": [ { "id": "diesel-identity-and-grade", "name": "Diesel identity and grade", "description": "Establishes what diesel fuel is represented and which qualification governs its intended use.", "rationale": "Diesel is a family of mixtures and grades; its name alone does not establish composition or suitability.", "layers": [ { "id": "material-and-blend-boundary", "name": "Material and blend boundary", "description": "Separates diesel material identity from neighbouring fuels and blendstocks.", "findings": [ { "id": "declared-diesel-composition", "name": "Declared diesel composition", "description": "Record the mixture's declared fuel families, blend proportions and chemical identifiers at the level supported by supplier evidence.", "questions": [ { "text": "Is this petroleum diesel, paraffinic diesel, a biodiesel-containing blend or another mixture explicitly qualified for diesel service?", "kind": "definition", "id": "declared-diesel-composition-q01" }, { "text": "Which supplier documents substantiate the composition and identifiers, and which details remain undisclosed?", "kind": "provenance", "id": "declared-diesel-composition-q02" } ] } ] }, { "id": "application-specific-qualification", "name": "Application-specific qualification", "description": "Links diesel grade to its intended service and governing requirements.", "findings": [ { "id": "grade-and-service-evidence", "name": "Grade and service evidence", "description": "Record the specification edition, grade and intended application without inferring interchangeability with visually similar fuels.", "questions": [ { "text": "Which specification, edition and grade govern acceptance for the intended diesel application?", "kind": "definition", "id": "grade-and-service-evidence-q01" }, { "text": "What evidence qualifies this lot for that application rather than only for heating, aviation or another fuel service?", "kind": "boundary", "id": "grade-and-service-evidence-q02" } ] } ] } ] }, { "id": "ignition-and-fuel-system-performance", "name": "Ignition and fuel-system performance", "description": "Captures the properties needed to assess diesel combustion and fuel-system compatibility.", "rationale": "A lot can have the correct commercial identity while lacking the properties required by its intended equipment.", "layers": [ { "id": "ignition-and-volatility", "name": "Ignition and volatility", "description": "Connects ignition-quality evidence and mixture volatility to the applicable grade.", "findings": [ { "id": "combustion-property-evidence", "name": "Combustion property evidence", "description": "Keep cetane measurements, calculated indices and distillation results distinct, with their methods and acceptance criteria.", "questions": [ { "text": "Which ignition-quality indicator was obtained, by what method, and does that method satisfy the applicable specification?", "kind": "measurement", "id": "combustion-property-evidence-q01" }, { "text": "What distillation results support the declared grade, and are any required results missing?", "kind": "measurement", "id": "combustion-property-evidence-q02" } ] } ] }, { "id": "injection-and-aftertreatment-compatibility", "name": "Injection and aftertreatment compatibility", "description": "Assesses properties relevant to fuel delivery, wear and exhaust-treatment requirements.", "findings": [ { "id": "equipment-facing-fuel-properties", "name": "Equipment-facing fuel properties", "description": "Record viscosity, density, lubricity, sulfur and blend restrictions against the requirements of the intended equipment.", "questions": [ { "text": "What are the lot's viscosity, density, lubricity and sulfur results, including methods and reference conditions?", "kind": "measurement", "id": "equipment-facing-fuel-properties-q01" }, { "text": "Do those results and the declared blend meet the fuel requirements documented for the intended engine and exhaust-treatment system?", "kind": "action", "id": "equipment-facing-fuel-properties-q02" } ] } ] } ] }, { "id": "cold-flow-and-storage-condition", "name": "Cold flow and storage condition", "description": "Assesses whether diesel remains usable under anticipated temperatures and after storage.", "rationale": "Temperature, contamination and ageing can change a diesel lot's usability after initial certification.", "layers": [ { "id": "seasonal-flow-suitability", "name": "Seasonal flow suitability", "description": "Relates measured cold-flow behaviour to the proposed operating environment.", "findings": [ { "id": "cold-flow-evidence", "name": "Cold-flow evidence", "description": "Preserve separate cloud point, filterability and pour point results and the limits of each test's relevance.", "questions": [ { "text": "Which cold-flow results are available for this lot, and were they obtained before or after any blending or treatment?", "kind": "measurement", "id": "cold-flow-evidence-q01" }, { "text": "What expected temperatures and equipment-specific requirements determine whether further cold-flow assessment is needed?", "kind": "action", "id": "cold-flow-evidence-q02" } ] } ] }, { "id": "ageing-water-and-contamination", "name": "Ageing, water and contamination", "description": "Records evidence of deterioration or contamination during storage and transfer.", "findings": [ { "id": "present-fuel-condition", "name": "Present fuel condition", "description": "Assess current water, sediment, oxidation and microbial evidence rather than treating delivery certification as indefinitely representative.", "questions": [ { "text": "What representative sampling and test evidence establishes current water, particulate and degradation condition?", "kind": "measurement", "id": "present-fuel-condition-q01" }, { "text": "What storage duration, temperature exposure, water ingress or microbial evidence warrants investigation or quarantine?", "kind": "action", "id": "present-fuel-condition-q02" } ] } ] } ] }, { "id": "diesel-hazards-and-handling", "name": "Diesel hazards and handling", "description": "Connects the actual fuel mixture and its condition to handling and environmental requirements.", "rationale": "A generic diesel label cannot substitute for product-specific hazard evidence and applicable handling rules.", "layers": [ { "id": "product-hazard-identity", "name": "Product hazard identity", "description": "Maintains traceable classification and exposure information for the represented diesel product.", "findings": [ { "id": "applicable-safety-information", "name": "Applicable safety information", "description": "Record classifications, exposure limits and supporting safety documentation with jurisdiction and revision.", "questions": [ { "text": "Which current safety data sheet matches this product and blend, and what classifications and exposure limits does it identify?", "kind": "provenance", "id": "applicable-safety-information-q01" }, { "text": "Which chemical identifiers describe the supplied mixture, and which describe only individual components?", "kind": "boundary", "id": "applicable-safety-information-q02" } ] } ] }, { "id": "transfer-fire-and-release-controls", "name": "Transfer, fire and release controls", "description": "Supports decisions about handling the fuel under its actual temperature and condition.", "findings": [ { "id": "fuel-specific-handling-decision", "name": "Fuel-specific handling decision", "description": "Link flash-point evidence and product instructions to transfer, storage and spill-response decisions.", "questions": [ { "text": "What flash-point result and handling temperature apply, and is there evidence of contamination that could invalidate the declared hazard profile?", "kind": "measurement", "id": "fuel-specific-handling-decision-q01" }, { "text": "Which documented transfer precautions, containment measures and spill-response instructions apply to this fuel at the intended location?", "kind": "action", "id": "fuel-specific-handling-decision-q02" } ] } ] } ] }, { "id": "lot-evidence-and-disposition", "name": "Lot evidence and disposition", "description": "Maintains the connection between fuel history, test evidence and decisions to use or treat a lot.", "rationale": "Sampling, transfers and blending can break the relationship between a certificate and the diesel actually available for use.", "layers": [ { "id": "representative-lot-evidence", "name": "Representative lot evidence", "description": "Establishes which physical fuel a certificate or sample represents.", "findings": [ { "id": "sample-to-lot-link", "name": "Sample-to-lot link", "description": "Record batch identity, sampling method, location, date and subsequent transfers or additions that affect representativeness.", "questions": [ { "text": "Which lot and storage location does each sample represent, and how was the sample collected?", "kind": "provenance", "id": "sample-to-lot-link-q01" }, { "text": "Have commingling, additions, transfers or observed separation changed the fuel since the supporting sample was taken?", "kind": "boundary", "id": "sample-to-lot-link-q02" } ] } ] }, { "id": "blending-treatment-and-release", "name": "Blending, treatment and release", "description": "Tracks interventions and determines what evidence is needed for the resulting fuel.", "findings": [ { "id": "supported-fuel-disposition", "name": "Supported fuel disposition", "description": "Record a release, quarantine or reassessment decision against explicit criteria; retain blend and additive history without presuming treatment restores conformity.", "questions": [ { "text": "What components or additives were introduced, in what quantities, and what evidence supports their suitability for this fuel and application?", "kind": "provenance", "id": "supported-fuel-disposition-q01" }, { "text": "Which acceptance criteria and post-intervention tests support release, or require the lot to remain quarantined?", "kind": "action", "id": "supported-fuel-disposition-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This is recall-based information; no sources were consulted. Standard editions and jurisdiction-specific requirements require verification.", "Diesel is a variable-composition mixture with no single molecular formula, melting point or universal hazard classification; confirm the actual product's safety data sheet and identifiers.", "The numerical ranges describe conventional petroleum automotive diesel and should not be generalized to every marine, winter, biodiesel-blended or paraffinic grade." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of diesel fuel this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Petroleum diesel", "Biodiesel-blended diesel", "Renewable paraffinic diesel, including hydrotreated vegetable oil (HVO)", "Fischer-Tropsch synthetic diesel", "Winter-grade diesel", "Marine distillate diesel" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of diesel fuel this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "scheme": "CAS Registry Number", "value_or_pattern": "68334-30-5", "note": "Used for petroleum diesel fuels; it identifies a variable-composition substance rather than a single molecule and does not cover every diesel formulation." }, { "scheme": "Fuel blend designation", "value_or_pattern": "B followed by a number, such as B5 or B20", "note": "The number denotes the percentage of biodiesel by volume; it does not denote renewable hydrocarbon diesel content." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of diesel fuel this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "ASTM International ASTM D975 specifies diesel fuel oils.", "European Committee for Standardization (CEN) EN 590 specifies automotive diesel requirements and test methods.", "ASTM International ASTM D7467 specifies diesel fuel oil containing B6 to B20 biodiesel blends.", "CEN EN 15940 specifies paraffinic automotive diesel from synthesis or hydrotreatment." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of diesel fuel this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Fuel for compression-ignition road vehicles", "Fuel for agricultural, construction and mining machinery", "Fuel for diesel railway locomotives", "Fuel for stationary and emergency electricity generators", "Fuel for marine diesel engines where an appropriate distillate grade is specified" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of diesel fuel this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "quantity": "Density of conventional petroleum automotive diesel at 15 °C", "typical_range": "Approximately 820-845; grade-dependent", "unit": "kg/m³" }, { "quantity": "Lower heating value of petroleum diesel", "typical_range": "Approximately 42-43", "unit": "MJ/kg" }, { "quantity": "Kinematic viscosity at 40 °C", "typical_range": "Approximately 2.0-4.5 for many automotive grades", "unit": "mm²/s" }, { "quantity": "Cetane number", "typical_range": "Approximately 40-55 for conventional petroleum grades; paraffinic fuels may be higher", "unit": "dimensionless" }, { "quantity": "Distillation boiling range of petroleum diesel at approximately atmospheric pressure", "typical_range": "Broadly 180-360; composition-dependent rather than a single boiling point", "unit": "°C" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of diesel fuel this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Combustible liquid; heating and atomization can create ignition hazards.", "Aspiration into the lungs following ingestion can cause serious injury; repeated skin contact can cause irritation and defatting.", "Cold-temperature wax crystallization can obstruct filters and interrupt fuel delivery.", "Water, particles and microbial growth in storage can promote corrosion, filter blockage and injection-system damage.", "Oxidation during storage can form deposits; unsuitable lubricity or viscosity can contribute to injection-equipment wear." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of diesel fuel this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "European and North American automotive specifications differ in properties such as cetane requirements, density controls and permitted blend composition.", "Seasonal and climatic grades differ in cold-flow requirements.", "Sulfur limits, biodiesel allowances and taxation-related fuel dyes or markers vary by jurisdiction and application." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of diesel fuel this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "name": "Biodiesel", "difference": "Biodiesel consists of fatty-acid alkyl esters; conventional petroleum diesel and renewable paraffinic diesel consist predominantly of hydrocarbons." }, { "name": "Gasoline", "difference": "Gasoline is formulated primarily for spark-ignition engines and evaluated for resistance to knock; diesel is formulated for compression ignition and evaluated for ignition readiness." }, { "name": "Kerosene", "difference": "Kerosene generally occupies a lighter distillation range, although some light diesel grades overlap; intended use and specification distinguish the products." }, { "name": "Heating oil", "difference": "Heating oil may overlap chemically with diesel but is specified for heating applications and need not meet engine-fuel requirements." }, { "name": "Diesel engine", "difference": "The engine is the machine that converts fuel energy into mechanical work; diesel fuel is the consumed material." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of diesel fuel this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend diesel fuel to include neat biodiesel, all paraffinic diesel and marine diesel grades, or should some remain related material kinds?", "Which specification families, editions, jurisdictions and application classes must the initial model support?", "Which mixture-level chemical identifiers and hazard classifications are supported by authoritative documents for the diesel families included?", "What application-specific acceptance limits, sampling practices and test methods should govern fuel release and reassessment after storage or treatment?", "What evidence is sufficient to judge cold-weather suitability and remaining storage usability for each included blend family?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 19, "questions": 29 } }, "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 diesel fuel, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to identify a diesel fuel lot, assess its condition and compatibility, and determine whether it can be stored, transferred or used in a specified compression-ignition application.", "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: marine diesel oil, CTL diesel, red diesel, ultra-low-sulfur diesel, paraffinic diesel, petrodiesel.", "6 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 84 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 diesel fuel, 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": [ "marine diesel oil", "CTL diesel", "red diesel", "ultra-low-sulfur diesel", "paraffinic diesel", "petrodiesel" ] } ], "standing": "Described in 84 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 6 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 diesel fuel from another, and a diesel fuel 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 diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel 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 diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel 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 diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel 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 diesel fuel is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel 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 diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel 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 diesel fuel between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a diesel fuel 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 diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel 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 diesel fuel is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a diesel fuel performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a diesel fuel at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel 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 diesel fuel 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 diesel fuel 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 diesel fuel 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 diesel fuel, 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 diesel fuel 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 diesel fuel 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 diesel fuel 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 diesel fuel, 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 diesel fuel 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 diesel fuel and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a diesel fuel, 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 diesel fuel, 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 diesel fuel 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 diesel fuel is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a diesel fuel, 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 diesel fuel, 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 diesel fuel 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 } } } }