{ "model": { "rank": 1998, "code": "thing-q37129", "model_id": "vr.tr.methane", "name": "methane", "purpose": "Enable an AI agent to recognise methane, assess its physical and chemical state in context, and determine which handling, use, containment or monitoring actions require further 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/q37129/", "tier": 2, "score": 119, "payload": { "layer": "wikidata", "aliases": [ "liquid methane", "Green methane", "dissolved methane", "atmospheric methane" ], "aliasCount": 4, "merged": 4, "knownIn": 119, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.methane", "source": { "dataset": "wikidata", "item": "Q37129", "url": "https://www.wikidata.org/wiki/Q37129", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T09:16:37Z", "providers": [ "Codex" ], "missingProviders": [ "Grok" ], "pass": 2, "cost": { "grok": { "usd": null, "turns": null, "seconds": 11.2, "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": 93.5, "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: 01a07b26-54fb-70f1-9a56-b7ce02d5a6b7\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: methane\nRegistry id: vr.tr.methane\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy m" } } }, "metaModel": { "id": "THING-Q37129", "registryId": "vr.tr.methane", "name": "methane", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q37129/", "model": { "registry_id": "vr.tr.methane", "name": "methane", "purpose": "Enable an AI agent to recognise methane, assess its physical and chemical state in context, and determine which handling, use, containment or monitoring actions require further evidence.", "definition": "", "scope_statement": "This model owns methane as the chemical substance CH4, including identified quantities and methane constituents of mixtures, their physical state, composition context, transformation potential and movement between reservoirs.", "in_scope": [ "Chemical identification of methane and evidence distinguishing it from other gases", "Methane quantity, concentration, purity and relevant impurities", "Physical phase and thermodynamic conditions of an identified methane quantity", "Conditions affecting methane release, combustion and oxygen displacement", "Methane origin, transformations and transfers between containing systems or environmental reservoirs" ], "out_of_scope": [ "Natural gas, biogas and other fuel mixtures as complete products", "Design, certification and operation of tanks, pipelines, detectors and ventilation systems", "Microbial communities and geological formations that generate or consume methane", "Combustion appliances, engines and industrial conversion processes as systems", "Atmospheric climate models, emissions inventories and carbon accounting methodologies" ], "distinguishing_features": [ "An identity-specific analytical result supports CH4 rather than merely reporting a combustible gas; a broad gas alarm alone does not establish methane identity.", "Molecular composition establishes one carbon atom and four hydrogen atoms per molecule, distinguishing methane from ethane, propane and other hydrocarbons.", "Composition evidence distinguishes methane itself from natural gas or biogas, where methane is one constituent of a mixture.", "Odour is not an identity test: pure methane is odourless, while supplied methane-containing gas may contain added odorants.", "Biogenic, fossil-derived and synthetic methane share the same molecular identity; their origin requires provenance or suitable analytical evidence." ], "characteristics": [ { "name": "Chemical identity evidence", "kind": "category", "unit_or_values": "CH4 confirmed | methane indicated | identity unresolved; include analytical method", "why_it_matters": "Prevents treating an unspecified gas response or fuel label as confirmed methane." }, { "name": "Methane quantity", "kind": "measurement", "unit_or_values": "mol or kg; volume only with temperature, pressure and reference basis", "why_it_matters": "Supports material balances and comparisons across storage or release conditions." }, { "name": "Methane fraction", "kind": "measurement", "unit_or_values": "mol/mol, volume fraction or mass fraction; explicitly identify basis and wet or dry reporting", "why_it_matters": "Distinguishes purity from concentration in a carrier mixture and prevents invalid comparisons." }, { "name": "Accompanying substances", "kind": "relation", "unit_or_values": "Identified mixture constituents and measured fractions, including oxygen, water, carbon dioxide, other hydrocarbons and odorants where relevant", "why_it_matters": "Mixture composition changes interpretation of detection, use and hazard assessments." }, { "name": "Physical occurrence", "kind": "state", "unit_or_values": "Gas | liquid | solid | supercritical fluid | dissolved | adsorbed | hydrate-associated; multiple states may coexist", "why_it_matters": "Distinguishes methane phase from how methane is held in another material." }, { "name": "Temperature and pressure", "kind": "measurement", "unit_or_values": "K or degrees Celsius; Pa or bar with absolute or gauge basis stated", "why_it_matters": "Conditions determine phase interpretation, density and the meaning of reported gas volumes." }, { "name": "Host or containing system", "kind": "relation", "unit_or_values": "Linked vessel, pipeline, pore space, water body, sediment, atmosphere or other identified host", "why_it_matters": "Locates methane and establishes boundaries for transfer, accumulation and release." }, { "name": "Origin attribution", "kind": "category", "unit_or_values": "Biogenic | thermogenic | other abiotic | synthetic | mixed | unresolved; retain supporting evidence", "why_it_matters": "Separates molecular identity from claims about how a methane quantity was formed." }, { "name": "Methane transfer rate", "kind": "measurement", "unit_or_values": "kg/s or mol/s across a named boundary over a stated interval", "why_it_matters": "Distinguishes stored methane from methane entering, leaving or escaping a system." } ], "affordances": [ "Identify and quantify methane using methods appropriate to the sample matrix and concentration range.", "Track methane through storage, transport, dissolution, adsorption and release across named boundaries.", "Assess whether evidence supports a proposed containment, transfer or phase-change action under applicable operating constraints.", "Evaluate methane as an input to combustion or chemical conversion by linking its composition and state to a process model.", "Detect and investigate methane accumulation or loss, retaining measurement uncertainty and sampling context.", "Attribute methane origin or environmental fate while preserving unresolved alternatives." ] }, "sources": [], "structure": { "bundles": [ { "id": "methane-identity-and-composition", "name": "Methane identity and composition", "description": "Establishes whether the material is methane and how methane relates to the sampled mixture.", "rationale": "Fuel names, odour and nonselective detector responses can be mistaken for methane-specific evidence.", "layers": [ { "id": "molecular-identification", "name": "Molecular identification", "description": "Records evidence supporting assignment to CH4.", "findings": [ { "id": "methane-specific-evidence", "name": "Methane-specific evidence", "description": "Separates confirmed methane identity from an indication that could include other gases.", "questions": [ { "text": "What analytical evidence identifies CH4, and which plausible interfering substances does the method distinguish?", "kind": "definition", "id": "methane-specific-evidence-q01" }, { "text": "Which sample, instrument, calibration and observation time support this identification?", "kind": "provenance", "id": "methane-specific-evidence-q02" } ] } ] }, { "id": "purity-and-mixture-context", "name": "Purity and mixture context", "description": "Distinguishes a methane substance quantity from methane contained in a broader material.", "findings": [ { "id": "methane-fraction-and-companions", "name": "Methane fraction and accompanying substances", "description": "Records methane abundance and other constituents needed to interpret the sample.", "questions": [ { "text": "What is the methane fraction, with what uncertainty, reporting basis and wet or dry convention?", "kind": "measurement", "id": "methane-fraction-and-companions-q01" }, { "text": "Is the object being described a methane quantity or a mixture such as natural gas or biogas that needs its own linked model?", "kind": "boundary", "id": "methane-fraction-and-companions-q02" } ] } ] } ] }, { "id": "methane-state-and-inventory", "name": "Methane state and inventory", "description": "Describes how much methane is present and the conditions under which it exists.", "rationale": "Methane volume and availability cannot be interpreted without thermodynamic conditions and its mode of occurrence.", "layers": [ { "id": "phase-and-host-association", "name": "Phase and host association", "description": "Records methane phase separately from dissolution, adsorption or hydrate association.", "findings": [ { "id": "observed-methane-occurrence", "name": "Observed methane occurrence", "description": "Connects physical occurrence to measured conditions and any host material.", "questions": [ { "text": "At the recorded temperature, pressure and composition, which methane phases or host associations are observed or inferred?", "kind": "measurement", "id": "observed-methane-occurrence-q01" }, { "text": "Is methane free, dissolved, adsorbed or hydrate-associated, and which host-material model describes its retention?", "kind": "boundary", "id": "observed-methane-occurrence-q02" } ] } ] }, { "id": "amount-and-volume-basis", "name": "Amount and volume basis", "description": "Makes methane inventories comparable across conditions.", "findings": [ { "id": "bounded-methane-inventory", "name": "Bounded methane inventory", "description": "Defines an amount within an explicit spatial and temporal boundary.", "questions": [ { "text": "How much methane lies within the stated boundary at the observation time, and what measurement or estimation supports that amount?", "kind": "measurement", "id": "bounded-methane-inventory-q01" }, { "text": "If quantity is reported as gas volume, what temperature, absolute pressure and compressibility treatment define that volume?", "kind": "measurement", "id": "bounded-methane-inventory-q02" } ] } ] } ] }, { "id": "methane-action-conditions", "name": "Methane action conditions", "description": "Records methane-specific conditions that constrain handling and use.", "rationale": "Methane identity alone does not establish whether a particular atmosphere, transfer or storage action is acceptable.", "layers": [ { "id": "combustible-atmosphere-context", "name": "Combustible atmosphere context", "description": "Relates methane concentration to oxidant availability and the surrounding conditions.", "findings": [ { "id": "ignition-assessment-evidence", "name": "Ignition assessment evidence", "description": "Collects the contextual evidence needed for an applicable combustible-atmosphere assessment.", "questions": [ { "text": "What methane and oxygen concentrations, diluents, temperature and pressure characterize the atmosphere being assessed?", "kind": "measurement", "id": "ignition-assessment-evidence-q01" }, { "text": "Which validated criteria apply to these conditions, and what missing evidence prevents authorizing the proposed action?", "kind": "action", "id": "ignition-assessment-evidence-q02" } ] } ] }, { "id": "release-and-exposure-context", "name": "Release and exposure context", "description": "Connects methane occurrence to oxygen displacement, pressure release and cold-material exposure where relevant.", "findings": [ { "id": "handling-constraints", "name": "Handling constraints", "description": "Records conditions that a linked operating or safety model must resolve before handling.", "questions": [ { "text": "Could the identified methane quantity enter an occupied or confined space, and what observations establish oxygen availability and accumulation?", "kind": "boundary", "id": "handling-constraints-q01" }, { "text": "What pressure, temperature and release conditions must the linked equipment and operating models address before transfer or phase change?", "kind": "action", "id": "handling-constraints-q02" } ] } ] } ] }, { "id": "methane-origin-and-transformation", "name": "Methane origin and transformation", "description": "Distinguishes methane formation history from reactions that consume or produce it.", "rationale": "Chemically identical methane can have different origins, while a change in methane quantity may reflect reaction rather than movement.", "layers": [ { "id": "formation-attribution", "name": "Formation attribution", "description": "Preserves evidence and competing explanations for methane origin.", "findings": [ { "id": "supported-origin-claim", "name": "Supported origin claim", "description": "Connects origin labels to supply records, formation context or analytical evidence.", "questions": [ { "text": "What records, isotopic measurements or associated-gas evidence support the proposed methane origin?", "kind": "provenance", "id": "supported-origin-claim-q01" }, { "text": "Could source mixing or subsequent transformation explain the same evidence, leaving origin unresolved?", "kind": "boundary", "id": "supported-origin-claim-q02" } ] } ] }, { "id": "chemical-and-biological-conversion", "name": "Chemical and biological conversion", "description": "Records methane production or consumption through a linked process.", "findings": [ { "id": "methane-conversion-account", "name": "Methane conversion account", "description": "Separates methane conversion from phase change, dilution and transfer.", "questions": [ { "text": "Which process produces or consumes methane, and what reactant, product or rate evidence supports that interpretation?", "kind": "measurement", "id": "methane-conversion-account-q01" }, { "text": "For a proposed conversion, what methane composition and state must the process model accept before the material can be used?", "kind": "action", "id": "methane-conversion-account-q02" } ] } ] } ] }, { "id": "methane-movement-and-environmental-fate", "name": "Methane movement and environmental fate", "description": "Tracks methane across containment and environmental boundaries.", "rationale": "A methane concentration observation does not by itself establish a leak rate, source or atmospheric emission.", "layers": [ { "id": "containment-and-transfer", "name": "Containment and transfer", "description": "Distinguishes intended methane movement from unintended escape.", "findings": [ { "id": "methane-boundary-crossing", "name": "Methane boundary crossing", "description": "Records the source, destination, timing and quantity of a methane transfer.", "questions": [ { "text": "Across which boundary is methane moving, and is the movement an intended transfer, vent, leak or unresolved event?", "kind": "boundary", "id": "methane-boundary-crossing-q01" }, { "text": "What methane-specific flow measurement or estimation establishes the transferred quantity and its uncertainty?", "kind": "measurement", "id": "methane-boundary-crossing-q02" } ] } ] }, { "id": "environmental-observation", "name": "Environmental observation", "description": "Connects methane measurements to reservoirs and possible transport or consumption pathways.", "findings": [ { "id": "concentration-versus-emission", "name": "Concentration versus emission", "description": "Separates observed methane abundance from inferred source strength and eventual fate.", "questions": [ { "text": "Does the evidence describe a local concentration, reservoir inventory or flux, and what sampling extent and interval does it represent?", "kind": "measurement", "id": "concentration-versus-emission-q01" }, { "text": "What transport and methane-consumption evidence is required to connect this observation to a source or an atmospheric release?", "kind": "boundary", "id": "concentration-versus-emission-q02" } ] } ] } ] } ] }, "openQuestions": [ "Which methane identification and quantification methods should be accepted for each sample matrix, concentration range and interference profile?", "Which authoritative phase-property references and mixture models should support state and inventory calculations?", "Which jurisdictional and operational criteria should linked safety models apply to particular methane atmospheres and handling actions?", "How should isotopically labelled methane be represented without duplicating the registry's methane identity?", "What evidence and uncertainty rules are required to support origin attribution and conversion of environmental observations into methane emission estimates?" ], "statistics": { "bundles": 5, "layers": 10, "findings": 10, "questions": 20 } }, "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 methane, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise methane, assess its physical and chemical state in context, and determine which handling, use, containment or monitoring actions require further 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: liquid methane, Green methane, dissolved methane, atmospheric methane.", "4 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 119 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 methane, 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": [ "liquid methane", "Green methane", "dissolved methane", "atmospheric methane" ] } ], "standing": "Described in 119 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 4 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 methane from another, and a methane 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 methane, 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 methane, 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 methane 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 methane, 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 methane, 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 methane 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 methane 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 methane, 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 methane, 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 methane 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 methane from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a methane, 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 methane, 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 methane 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 methane 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 methane, 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 methane, 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 methane 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 methane is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a methane, 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 methane, 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 methane 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 methane is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a methane, 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 methane, 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 methane 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 methane 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 methane is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a methane, 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 methane, 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 methane 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 methane 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 methane, 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 methane, 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 methane 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 methane 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 methane between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a methane, 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 methane, 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 methane 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 methane, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a methane 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 methane, 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 methane, 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 methane 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 methane 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 methane is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a methane performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a methane, 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 methane, 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 methane 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 methane.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a methane at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a methane, 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 methane, 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 methane 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 methane there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a methane, 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 methane, 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 methane 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 methane 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 methane 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 methane 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 methane 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 methane, 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 methane 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 methane 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 methane 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 methane, 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 methane 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 methane and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a methane, 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 methane, 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 methane 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 methane is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a methane, 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 methane, 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 methane 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 } } } }