{ "model": { "rank": 4216, "code": "thing-q132501", "model_id": "vr.tr.glycerol", "name": "glycerol", "purpose": "Enable an agent to recognise glycerol, assess the composition and condition of a particular material, and determine its suitability for an intended use.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q132501/", "tier": 2, "score": 77, "payload": { "layer": "wikidata", "aliases": [ "Glycerol-2-13C", "Glycerol-1,3-13C2", "(¹³C₃)Propane-1,2,3-triol" ], "aliasCount": 3, "merged": 3, "knownIn": 77, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q132501", "url": "https://www.wikidata.org/wiki/Q132501", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T19:43:50Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 24.8, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087b1-a9c0-7831-8995-91b3b37b44ab\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: glycerol\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: 1001 registe", "usd": 0, "recall": true }, "codex": { "seconds": 67.9, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087b1-a9b0-7c63-9034-03ac91d321d8\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: glycerol\nRegistry id: vr.tr.glycerol\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContex" } } }, "metaModel": { "id": "THING-Q132501", "registryId": "vr.tr.glycerol", "name": "glycerol", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q132501/", "model": { "registry_id": "vr.tr.glycerol", "name": "glycerol", "purpose": "Enable an agent to recognise glycerol, assess the composition and condition of a particular material, and determine its suitability for an intended use.", "definition": "Glycerol is the organic compound propane-1,2,3-triol, C3H8O3, a hygroscopic, water-miscible triol that forms the molecular backbone of triglycerides and many phospholipids.", "scope_statement": "This model owns glycerol as the chemical substance propane-1,2,3-triol and the identity, composition, grade, physical state, handling constraints and use eligibility of material represented as glycerol under vr.tr.glycerol in PHY.MAT.", "in_scope": [ "Molecular identity and identifiers distinguishing glycerol from other alcohols and related compounds", "Glycerol assay, water content, impurities and documented grade", "Physical properties and phase behaviour under recorded conditions", "Production provenance, storage history and evidence of material deterioration", "Hazard assessment and suitability for a specified application and jurisdiction" ], "out_of_scope": [ "Finished foods, medicines, cosmetics and other formulations containing glycerol", "Complete biodiesel, fat-splitting or synthetic manufacturing processes", "Glycerides, polyglycerols and chemically modified glycerol derivatives as separate substances", "Clinical treatment decisions, dosing and patient outcomes", "Biological pathways that produce or consume glycerol" ], "distinguishing_features": [ "Identity evidence must support propane-1,2,3-triol, C3H8O3, with three hydroxyl groups on a three-carbon backbone; appearance alone cannot establish identity.", "Distinguish glycerol from propylene glycol and ethylene glycol through validated analytical identity tests rather than viscosity or product naming.", "Distinguish free glycerol from glycerides, in which glycerol hydroxyl groups are esterified with fatty acids.", "Treat the commercial name glycerin as requiring composition and grade evidence; the name alone does not establish anhydrous glycerol or application suitability.", "Distinguish a glycerol material containing specified water or impurities from a formulated product in which glycerol is only one functional ingredient." ], "characteristics": [ { "name": "Chemical identity", "kind": "category", "unit_or_values": "Propane-1,2,3-triol; C3H8O3; verified CAS, PubChem and EC identifiers with source", "why_it_matters": "Prevents substitution with another polyol and connects records across naming systems." }, { "name": "Glycerol assay", "kind": "measurement", "unit_or_values": "Mass fraction or mass percent, stating as-received or water-free basis and analytical method", "why_it_matters": "An assay is interpretable only with its reporting basis and determines whether material meets a specification." }, { "name": "Water content", "kind": "measurement", "unit_or_values": "Mass percent with method, sampling date and sample handling conditions", "why_it_matters": "Water uptake changes concentration, viscosity, phase behaviour and application performance." }, { "name": "Impurity profile", "kind": "measurement", "unit_or_values": "Named analytes in mg/kg or mass percent, with method and detection or quantification limits", "why_it_matters": "Methanol, glycol contaminants, salts and organic residues can impose different restrictions even at similar glycerol assay." }, { "name": "Grade and conformity", "kind": "category", "unit_or_values": "Declared grade; named specification and edition; conformity status; supporting certificate", "why_it_matters": "Technical, food and pharmaceutical claims require evidence against the applicable specification." }, { "name": "Observed physical state", "kind": "state", "unit_or_values": "Liquid, crystalline, partially crystallised or otherwise observed; temperature and thermal history", "why_it_matters": "Crystallisation and delayed crystallisation affect interpretation of state and readiness for transfer." }, { "name": "Density and dynamic viscosity", "kind": "measurement", "unit_or_values": "kg/m³ and mPa·s, respectively, with temperature and glycerol-water composition", "why_it_matters": "Supports mass-volume conversion, pumping and mixing without treating condition-dependent values as constants." }, { "name": "Thermal transition evidence", "kind": "measurement", "unit_or_values": "Melting or freezing temperature and boiling or decomposition observations in °C, with pressure, composition and method", "why_it_matters": "Supports storage and heating decisions while distinguishing equilibrium transitions from observed thermal behaviour." }, { "name": "Production and lot provenance", "kind": "relation", "unit_or_values": "Supplier, manufacturer, lot, production route, feedstock declaration and purification record", "why_it_matters": "Guides impurity investigation and supports traceability and application-specific origin requirements." }, { "name": "Hazard and exposure status", "kind": "category", "unit_or_values": "Applicable jurisdiction, dated safety data sheet, GHS determination and any exposure limit with aerosol fraction and averaging period", "why_it_matters": "Handling decisions must reflect the actual material and exposure form rather than a generic substance label." } ], "affordances": [ "Reconcile a glycerol label with molecular identity evidence and authoritative substance identifiers.", "Compare a lot's assay, water content and impurity results against a named application specification.", "Calculate glycerol content from material mass using an assay on the correct reporting basis.", "Assess transfer, warming and storage conditions using composition-dependent physical properties and handling evidence.", "Identify missing tests or documents and hold material from a proposed use until the relevant uncertainty is resolved." ] }, "sources": [], "structure": { "bundles": [ { "id": "glycerol-identity-and-boundary", "name": "Glycerol identity and boundary", "description": "Establishes which chemical entity and material representation the record describes.", "rationale": "Glycerol, commercial glycerin, other glycols and glycerol derivatives must not become interchangeable through naming alone.", "layers": [ { "id": "molecular-identity", "name": "Molecular identity", "description": "Connects the triol structure to names, identifiers and analytical evidence.", "findings": [ { "id": "triol-identity-evidence", "name": "Triol identity evidence", "description": "Record evidence identifying propane-1,2,3-triol and distinguish documentary identification from an actual material identity test.", "questions": [ { "text": "Which authoritative records establish the CAS number, PubChem CID and EC number for glycerol?", "kind": "definition", "id": "triol-identity-evidence-q01" }, { "text": "Which validated identity test distinguishes this material from propylene glycol, ethylene glycol and other plausible substitutes?", "kind": "measurement", "id": "triol-identity-evidence-q02" } ] } ] }, { "id": "commercial-material-boundary", "name": "Commercial material boundary", "description": "Interprets glycerin labels and separates substance material from formulations and derivatives.", "findings": [ { "id": "label-to-material-scope", "name": "Label to material scope", "description": "Record what a supplier means by glycerol or glycerin and whether the record concerns glycerol material, an aqueous preparation or a finished formulation.", "questions": [ { "text": "What composition and grade does the supplier's use of glycerin actually denote?", "kind": "definition", "id": "label-to-material-scope-q01" }, { "text": "Does this record describe glycerol material, or should it link to a formulation, glyceride or other derivative model?", "kind": "boundary", "id": "label-to-material-scope-q02" } ] } ] } ] }, { "id": "assay-water-and-impurities", "name": "Assay, water and impurities", "description": "Describes the composition that makes a particular glycerol lot usable or unsuitable.", "rationale": "A high reported assay can conceal a different reporting basis, substantial water or critical trace contamination.", "layers": [ { "id": "glycerol-water-composition", "name": "Glycerol-water composition", "description": "Makes assay and moisture results comparable and sensitive to sampling conditions.", "findings": [ { "id": "assay-basis-and-moisture", "name": "Assay basis and moisture", "description": "Record glycerol concentration and water separately, including whether assay is expressed on an as-received or water-free basis.", "questions": [ { "text": "What are the measured glycerol assay and water content, and which methods and reporting bases were used?", "kind": "measurement", "id": "assay-basis-and-moisture-q01" }, { "text": "How was the sample protected from atmospheric moisture between collection and analysis?", "kind": "provenance", "id": "assay-basis-and-moisture-q02" } ] } ] }, { "id": "critical-contaminants", "name": "Critical contaminants", "description": "Records impurities that bulk assay and appearance cannot adequately characterise.", "findings": [ { "id": "route-and-use-specific-impurities", "name": "Route and use specific impurities", "description": "Define the required impurity panel from production provenance and intended use, including investigation of glycol contamination, residual methanol, salts and organic residues where relevant.", "questions": [ { "text": "What results and quantification limits are available for ethylene glycol, diethylene glycol, methanol and other impurities required by the intended specification?", "kind": "measurement", "id": "route-and-use-specific-impurities-q01" }, { "text": "Which untested impurities remain plausible given the production route, purification and subsequent handling?", "kind": "provenance", "id": "route-and-use-specific-impurities-q02" } ] } ] } ] }, { "id": "physical-state-and-processing-behaviour", "name": "Physical state and processing behaviour", "description": "Relates glycerol's observed state and handling properties to water content, temperature and pressure.", "rationale": "Glycerol's viscosity, moisture sensitivity and crystallisation behaviour make unconditional property values inadequate for operational decisions.", "layers": [ { "id": "phase-and-thermal-history", "name": "Phase and thermal history", "description": "Distinguishes observed crystallisation behaviour from reference transition data.", "findings": [ { "id": "conditioned-phase-assessment", "name": "Conditioned phase assessment", "description": "Record temperature, composition and thermal history alongside observed phase; do not infer identity or purity solely from whether the material has crystallised.", "questions": [ { "text": "What phase is observed at the recorded temperature and water content, and has the material recently been cooled, warmed or seeded?", "kind": "measurement", "id": "conditioned-phase-assessment-q01" }, { "text": "Which sourced melting, freezing and boiling data apply to this composition and pressure, and how are decomposition observations distinguished?", "kind": "definition", "id": "conditioned-phase-assessment-q02" } ] } ] }, { "id": "flow-and-moisture-exchange", "name": "Flow and moisture exchange", "description": "Supports transfer and storage decisions using measured flow properties and exposure to humidity.", "findings": [ { "id": "transfer-property-envelope", "name": "Transfer property envelope", "description": "Record density and viscosity at relevant temperatures and composition, together with controls that limit unintended water uptake.", "questions": [ { "text": "What density and dynamic viscosity apply at the intended transfer temperature and measured water content?", "kind": "measurement", "id": "transfer-property-envelope-q01" }, { "text": "What warming and container-closure conditions support transfer while keeping the lot within its composition specification?", "kind": "action", "id": "transfer-property-envelope-q02" } ] } ] } ] }, { "id": "provenance-grade-and-use-eligibility", "name": "Provenance, grade and use eligibility", "description": "Connects a traceable glycerol lot to documented grade claims and a specific intended application.", "rationale": "Chemical identity alone does not establish food, pharmaceutical or other application eligibility.", "layers": [ { "id": "origin-and-lot-history", "name": "Origin and lot history", "description": "Captures production and custody information relevant to contaminants and origin claims.", "findings": [ { "id": "traceable-production-origin", "name": "Traceable production origin", "description": "Record the manufacturer, lot, production route, purification and feedstock declarations at the level supported by documentation.", "questions": [ { "text": "Which manufacturer and lot records establish the production route and purification history?", "kind": "provenance", "id": "traceable-production-origin-q01" }, { "text": "What evidence supports any vegetable, animal, synthetic or other origin claim, including after blending or repackaging?", "kind": "provenance", "id": "traceable-production-origin-q02" } ] } ] }, { "id": "specification-based-eligibility", "name": "Specification-based eligibility", "description": "Evaluates grade claims against the intended use and the applicable standard.", "findings": [ { "id": "documented-grade-conformity", "name": "Documented grade conformity", "description": "Separate a marketing grade label from demonstrated conformity to a named specification, edition and application requirement.", "questions": [ { "text": "Which specification, edition and jurisdiction govern glycerol for the proposed use, and which lot results demonstrate conformity?", "kind": "boundary", "id": "documented-grade-conformity-q01" }, { "text": "What missing test, certificate or traceability evidence prevents accepting this lot for that use?", "kind": "action", "id": "documented-grade-conformity-q02" } ] } ] } ] }, { "id": "handling-hazards-and-material-condition", "name": "Handling hazards and material condition", "description": "Assesses exposure, incompatibilities and changes during storage or heating.", "rationale": "A glycerol material's handling requirements depend on its contaminants, exposure form and process conditions as well as its substance identity.", "layers": [ { "id": "exposure-and-classification", "name": "Exposure and classification", "description": "Records sourced hazard determinations and exposure requirements for the actual material.", "findings": [ { "id": "material-specific-hazard-record", "name": "Material-specific hazard record", "description": "Associate the lot or composition with an applicable safety data sheet and distinguish liquid contact, aerosol exposure and heated-process exposure.", "questions": [ { "text": "What GHS classification and handling guidance does the current applicable safety data sheet assign to this composition?", "kind": "provenance", "id": "material-specific-hazard-record-q01" }, { "text": "Are glycerol mist exposure limits applicable in the operating jurisdiction, and what aerosol fraction, units and averaging periods do they specify?", "kind": "measurement", "id": "material-specific-hazard-record-q02" } ] } ] }, { "id": "storage-and-heating-condition", "name": "Storage and heating condition", "description": "Tracks conditions that may change composition or generate hazardous degradation products.", "findings": [ { "id": "condition-dependent-handling-decision", "name": "Condition-dependent handling decision", "description": "Use documented compatibility and stability evidence to assess moisture ingress, contamination, excessive heating and possible degradation, including acrolein formation under relevant conditions.", "questions": [ { "text": "What temperature, duration, acidity and contact-material conditions are supported by stability evidence, and when is acrolein formation a relevant concern?", "kind": "boundary", "id": "condition-dependent-handling-decision-q01" }, { "text": "Which storage excursion, analytical change or contamination event requires retesting, holding or rejecting this glycerol lot?", "kind": "action", "id": "condition-dependent-handling-decision-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 recalled information, without source consultation.", "Verify current jurisdiction-specific hazard classifications, exposure limits and compendial requirements before operational use.", "Physical properties depend strongly on water content and temperature; commercial grade names alone do not establish composition." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of glycerol 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": [ "Crude glycerol from fat processing or biodiesel production", "Refined technical-grade glycerol", "Food-grade glycerol", "Pharmaceutical-grade glycerol", "Anhydrous glycerol" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of glycerol 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": "56-81-5", "note": "Identifies glycerol; does not establish purity or grade." }, { "scheme": "PubChem CID", "value_or_pattern": "753", "note": "Compound identifier for glycerol." }, { "scheme": "EC number", "value_or_pattern": "200-289-5", "note": "European chemical substance identifier." }, { "scheme": "IUPAC nomenclature", "value_or_pattern": "propane-1,2,3-triol", "note": "Specifies the three hydroxyl groups on the propane skeleton." }, { "scheme": "EU food additive E number", "value_or_pattern": "E 422", "note": "Food additive identity; not a certification that a particular sample meets food-grade requirements." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of glycerol 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": [ "United States Pharmacopeia-National Formulary: USP Glycerin monograph.", "European Pharmacopoeia, issued by EDQM: glycerol monographs distinguish concentrated and aqueous pharmaceutical materials.", "FAO/WHO Joint Expert Committee on Food Additives: glycerol food additive specifications." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of glycerol 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": [ "Humectant in foods, cosmetics and personal-care products.", "Solvent and excipient in pharmaceutical formulations.", "Cryoprotectant for biological samples.", "Plasticizer in polymer and film formulations.", "Chemical feedstock for products including glycerol esters and alkyd resins." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of glycerol 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": "Molar mass", "typical_range": "92.09", "unit": "g/mol" }, { "quantity": "Melting point of pure glycerol", "typical_range": "Approximately 18; supercooling can delay crystallization", "unit": "°C" }, { "quantity": "Boiling temperature at approximately 101.3 kPa", "typical_range": "Approximately 290, with decomposition", "unit": "°C" }, { "quantity": "Density of nearly anhydrous glycerol at 20 °C", "typical_range": "Approximately 1.26", "unit": "g/cm³" }, { "quantity": "Dynamic viscosity of nearly anhydrous glycerol at 20 °C", "typical_range": "Approximately 1.4", "unit": "Pa·s" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of glycerol 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": [ "Severe heating can decompose glycerol and generate acrolein, a strongly irritating toxic substance.", "Glycerol is combustible and can react dangerously with strong oxidizing agents.", "Ethylene glycol or diethylene glycol contamination can make glycerol intended for ingestion dangerously toxic.", "Water absorption changes concentration, viscosity and performance.", "Crude glycerol can contain methanol, salts, soaps and other process impurities that prevent direct food or pharmaceutical use." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of glycerol 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": [ "Glycerol, glycerin and glycerine are common names; commercial specifications must establish concentration and purity.", "Food additive labeling uses E 422 in the European Union, while other jurisdictions use their own labeling requirements.", "Pharmaceutical acceptance depends on the applicable pharmacopoeia and intended use." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of glycerol 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": "Ethylene glycol", "difference": "A two-carbon diol, rather than a three-carbon triol; it has substantially different toxicity." }, { "name": "Propylene glycol", "difference": "Usually propane-1,2-diol, with two hydroxyl groups rather than glycerol's three." }, { "name": "Triglyceride", "difference": "Contains glycerol esterified with three fatty acids; it is not free glycerol." }, { "name": "Glycerol solution", "difference": "A mixture containing glycerol and a solvent, with concentration-dependent properties." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of glycerol this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative identity sources and reference-property datasets should anchor identifiers and condition-qualified physical values?", "Which food, pharmaceutical and technical specifications are relevant to the intended deployments, and what impurity tests and limits does each require?", "What glycerol-water property data adequately cover crystallisation and viscosity across the expected storage and transfer conditions?", "Which jurisdiction-specific GHS determinations and occupational glycerol mist limits apply to the actual material and operations?", "What evidence establishes acceptable heating and storage conditions, including degradation risks and retesting criteria after an excursion?" ], "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 glycerol, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to recognise glycerol, assess the composition and condition of a particular material, and determine its suitability for an intended use.", "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: Glycerol-2-13C, Glycerol-1,3-13C2, (¹³C₃)Propane-1,2,3-triol.", "3 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 77 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 glycerol, 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": [ "Glycerol-2-13C", "Glycerol-1,3-13C2", "(¹³C₃)Propane-1,2,3-triol" ] } ], "standing": "Described in 77 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 3 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 glycerol from another, and a glycerol 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 glycerol, 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 glycerol, 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 glycerol 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 glycerol, 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 glycerol, 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 glycerol 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 glycerol 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 glycerol, 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 glycerol, 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 glycerol 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 glycerol from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a glycerol, 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 glycerol, 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 glycerol 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 glycerol 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 glycerol, 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 glycerol, 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 glycerol 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 glycerol is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a glycerol, 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 glycerol, 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 glycerol 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 glycerol is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a glycerol, 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 glycerol, 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 glycerol 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 glycerol 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 glycerol is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a glycerol, 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 glycerol, 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 glycerol 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 glycerol 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 glycerol, 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 glycerol, 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 glycerol 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 glycerol 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 glycerol between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a glycerol, 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 glycerol, 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 glycerol 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 glycerol, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a glycerol 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 glycerol, 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 glycerol, 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 glycerol 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 glycerol 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 glycerol is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a glycerol performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a glycerol, 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 glycerol, 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 glycerol 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 glycerol.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a glycerol at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a glycerol, 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 glycerol, 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 glycerol 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 glycerol there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a glycerol, 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 glycerol, 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 glycerol 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 glycerol 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 glycerol 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 glycerol 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 glycerol 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 glycerol, 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 glycerol 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 glycerol 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 glycerol 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 glycerol, 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 glycerol 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 glycerol and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a glycerol, 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 glycerol, 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 glycerol 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 glycerol is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a glycerol, 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 glycerol, 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 glycerol 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 } } } }