{ "model": { "rank": 4022, "code": "thing-q162867", "model_id": "vr.tr.nitroglycerin", "name": "nitroglycerin", "purpose": "Enable an agent to recognise nitroglycerin, assess its documented material state and hazards, and determine which uses or handling decisions require formulation-specific evidence and qualified authority.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q162867/", "tier": 2, "score": 79, "payload": { "layer": "wikidata", "aliases": [], "aliasCount": 0, "merged": 0, "knownIn": 79, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q162867", "url": "https://www.wikidata.org/wiki/Q162867", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T19:18:28Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 27.6, "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: 01a0879a-5c13-7932-902f-aa9fc5e08632\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: nitroglycerin\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 re", "usd": 0, "recall": true }, "codex": { "seconds": 73.8, "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: 01a0879a-5c04-7901-a6a4-e3b58505a49e\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: nitroglycerin\nRegistry id: vr.tr.nitroglycerin\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none" } } }, "metaModel": { "id": "THING-Q162867", "registryId": "vr.tr.nitroglycerin", "name": "nitroglycerin", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q162867/", "model": { "registry_id": "vr.tr.nitroglycerin", "name": "nitroglycerin", "purpose": "Enable an agent to recognise nitroglycerin, assess its documented material state and hazards, and determine which uses or handling decisions require formulation-specific evidence and qualified authority.", "definition": "Nitroglycerin, also called glyceryl trinitrate, is the nitrate ester of glycerol with molecular formula C3H5N3O9, an energetic organic compound used in explosives and, in controlled pharmaceutical formulations, as a vasodilator.", "scope_statement": "This model owns nitroglycerin as the chemical substance also called glyceryl trinitrate, including identity, composition, physical state, energetic hazards, biological effects and substance-level constraints; products containing it retain separate models.", "in_scope": [ "Chemical identity and verified registry identifiers for nitroglycerin", "Purity, concentration, impurities and the material context in which nitroglycerin is present", "Physical properties and phase under stated conditions", "Energetic instability, exposure hazards and evidence relevant to the actual material form", "Substance-level relationships to medicinal and industrial uses", "Classification, documentation and restrictions tied to jurisdiction and formulation" ], "out_of_scope": [ "Synthesis, nitration procedures and manufacturing process design", "Explosive formulation recipes, initiation methods and device construction", "Complete models of dynamite, propellants or other explosive products containing nitroglycerin", "Complete models of tablets, sprays, patches, infusions or other medicinal products", "Patient diagnosis, prescribing and individual dosing decisions", "Facility engineering, transport operations and emergency response procedures" ], "distinguishing_features": [ "Chemical identity must establish glyceryl trinitrate, a nitrate ester, rather than glycerol, an inorganic nitrate salt or a compound identified only by a generic explosive label.", "The name glyceryl trinitrate can denote the same substance; it does not by itself establish pharmaceutical grade or a medicinal product.", "A material containing nitroglycerin must be distinguished from the substance itself by identifying its concentration and carrier or matrix.", "Nitroglycerin must be distinguished from related nitrate esters and medicinal organic nitrates through verified structural identity and identifiers.", "Medicinal and explosive contexts concern the same chemical identity but do not establish interchangeable formulations, grades or permitted actions." ], "characteristics": [ { "name": "Verified chemical identity", "kind": "category", "unit_or_values": "Preferred name, synonyms, molecular formula, structural representation and verified CAS, PubChem and EC identifiers", "why_it_matters": "Prevents confusion between the substance, related compounds and products marketed under application-specific names." }, { "name": "Nitroglycerin content", "kind": "measurement", "unit_or_values": "Mass fraction %, mass concentration with units, or amount per product unit; specify analytical basis and uncertainty", "why_it_matters": "Content determines whether evidence about a particular preparation is applicable and prevents confusion between purity, concentration and medicinal strength." }, { "name": "Carrier or matrix", "kind": "relation", "unit_or_values": "Links to identified solvent, diluent, absorbent or other formulation components", "why_it_matters": "Material behaviour and applicable classifications cannot be inferred from the nitroglycerin name alone." }, { "name": "Grade and impurity profile", "kind": "category", "unit_or_values": "Declared grade, governing specification, measured impurities and conformity status", "why_it_matters": "An industrial material cannot be assumed suitable for medicinal use, and a grade label needs supporting evidence." }, { "name": "Physical state", "kind": "state", "unit_or_values": "Observed phase, homogeneity and phase separation, with temperature, pressure and observation time", "why_it_matters": "The actual material state may differ from a reference description of the pure substance." }, { "name": "Physical-property evidence", "kind": "measurement", "unit_or_values": "Density in kg/m³, phase-transition temperature in °C and vapour pressure in Pa, each with conditions and source", "why_it_matters": "Supports interpretation of state without applying unqualified reference constants to a different formulation." }, { "name": "Thermal behaviour", "kind": "measurement", "unit_or_values": "Reported transition or decomposition result, temperature in °C, method, pressure and specimen composition", "why_it_matters": "Distinguishes measured thermal events and decomposition from an assumed ordinary boiling point." }, { "name": "Energetic-hazard evidence", "kind": "category", "unit_or_values": "Applicable test reports and classifications, with specimen form, method, date and limitations", "why_it_matters": "Sensitivity and energetic behaviour require evidence relevant to the material being assessed." }, { "name": "Exposure criteria", "kind": "measurement", "unit_or_values": "Applicable limit in ppm or mg/m³, averaging period, route, skin notation, jurisdiction and effective date", "why_it_matters": "Exposure values are incomplete without their authority, time basis and route qualifications." }, { "name": "Biological-effect context", "kind": "category", "unit_or_values": "Intended pharmacological effect, adverse-effect evidence and exposure route", "why_it_matters": "Separates controlled medicinal use from unintended exposure and prevents transferring clinical assumptions between routes." }, { "name": "Regulatory classification", "kind": "category", "unit_or_values": "Jurisdiction-specific hazard, transport and medicinal status linked to material form and current source", "why_it_matters": "A substance identifier alone does not determine every applicable legal or transport classification." } ], "affordances": [ "Resolve nitroglycerin and glyceryl trinitrate references to one chemical identity while preserving separate product identities.", "Compare a material declaration or analytical report with the required identity, composition and grade evidence.", "Determine whether a cited property or hazard assessment applies to the recorded concentration, matrix and physical state.", "Identify missing evidence or a material change that requires assessment by a qualified specialist.", "Route medicinal, industrial, transport and exposure questions to the appropriate product model, authority or professional.", "Record unresolved conditions and restrict conclusions when the available evidence does not support an action." ] }, "sources": [], "structure": { "bundles": [ { "id": "chemical-identity-and-material-boundary", "name": "Chemical identity and material boundary", "description": "Establish what is nitroglycerin and what is a preparation containing it.", "rationale": "The same substance appears under chemical, medicinal and industrial terminology, making identity and product boundaries essential.", "layers": [ { "id": "identity-and-synonyms", "name": "Identity and synonyms", "description": "Connect names and identifiers to a verified nitrate-ester structure.", "findings": [ { "id": "nitroglycerin-identity-test", "name": "Nitroglycerin identity test", "description": "Require evidence that the named substance is glyceryl trinitrate rather than glycerol, another nitrate ester or an unspecified nitrate.", "questions": [ { "text": "Which structural identity and authoritative identifiers establish that this record concerns nitroglycerin?", "kind": "definition", "id": "nitroglycerin-identity-test-q01" }, { "text": "Which sources verify that the recorded synonyms refer to the same substance?", "kind": "provenance", "id": "nitroglycerin-identity-test-q02" } ] } ] }, { "id": "composition-and-grade", "name": "Composition and grade", "description": "Describe nitroglycerin content and the surrounding material without collapsing the preparation into the substance.", "findings": [ { "id": "substance-versus-preparation", "name": "Substance versus preparation", "description": "Separate chemical purity, formulation concentration, grade and product strength.", "questions": [ { "text": "Does the record describe the substance, a solution, an absorbed material or a finished product, and which neighbouring model owns the preparation?", "kind": "boundary", "id": "substance-versus-preparation-q01" }, { "text": "What analysis establishes nitroglycerin content, its reporting basis, relevant impurities and conformity to the declared grade?", "kind": "measurement", "id": "substance-versus-preparation-q02" } ] } ] } ] }, { "id": "physical-state-and-property-evidence", "name": "Physical state and property evidence", "description": "Represent the observed material state and the conditions attached to physical-property claims.", "rationale": "Reference values for pure nitroglycerin cannot automatically describe diluted, absorbed or otherwise formulated material.", "layers": [ { "id": "phase-and-homogeneity", "name": "Phase and homogeneity", "description": "Record phase, uniformity and changes relevant to the actual specimen.", "findings": [ { "id": "condition-dependent-state", "name": "Condition-dependent state", "description": "Treat phase and homogeneity as observations tied to composition, conditions and time.", "questions": [ { "text": "What phase and degree of homogeneity are documented at the recorded temperature and pressure?", "kind": "measurement", "id": "condition-dependent-state-q01" }, { "text": "Is there evidence of crystallisation, separation or another physical change that makes the existing assessment inapplicable?", "kind": "boundary", "id": "condition-dependent-state-q02" } ] } ] }, { "id": "reference-properties-and-thermal-events", "name": "Reference properties and thermal events", "description": "Qualify physical constants and distinguish thermal transitions from decomposition.", "findings": [ { "id": "property-applicability", "name": "Property applicability", "description": "Associate every property value with its specimen, method and conditions instead of supplying a universal constant without qualifications.", "questions": [ { "text": "Which measured density, vapour-pressure and phase-transition values apply to the stated composition and conditions?", "kind": "measurement", "id": "property-applicability-q01" }, { "text": "Does a reported high-temperature value represent boiling, decomposition or another event, and what source and method establish that interpretation?", "kind": "provenance", "id": "property-applicability-q02" } ] } ] } ] }, { "id": "energetic-hazard-and-condition-assessment", "name": "Energetic hazard and condition assessment", "description": "Capture evidence about explosive hazards and whether a material remains within an assessed condition.", "rationale": "Nitroglycerin requires explicit energetic-hazard reasoning that cannot be replaced by ordinary chemical identity or a generic safety label.", "layers": [ { "id": "form-specific-hazard-evidence", "name": "Form-specific hazard evidence", "description": "Tie energetic-hazard conclusions to the actual material form and documented assessment.", "findings": [ { "id": "energetic-assessment-boundary", "name": "Energetic assessment boundary", "description": "Record the scope and limits of qualified hazard evidence without turning it into experimental or handling instructions.", "questions": [ { "text": "Which authoritative assessment addresses energetic hazards for this concentration, carrier and physical form?", "kind": "provenance", "id": "energetic-assessment-boundary-q01" }, { "text": "Which differences between the assessed specimen and the present material prevent transferring its conclusions?", "kind": "boundary", "id": "energetic-assessment-boundary-q02" } ] } ] }, { "id": "condition-history-and-escalation", "name": "Condition history and escalation", "description": "Track material changes and the limits of an agent's authority to judge continued suitability.", "findings": [ { "id": "reassessment-triggers", "name": "Reassessment triggers", "description": "Make uncertainty about contamination, formulation changes or undocumented history visible to a qualified assessor.", "questions": [ { "text": "What documented changes in composition, containment or environmental history require review under the applicable assessment?", "kind": "provenance", "id": "reassessment-triggers-q01" }, { "text": "Which decisions must be deferred to a qualified specialist when the material history or condition is unresolved?", "kind": "action", "id": "reassessment-triggers-q02" } ] } ] } ] }, { "id": "biological-effects-and-exposure", "name": "Biological effects and exposure", "description": "Separate medicinal pharmacology from unintended exposure while preserving their shared substance identity.", "rationale": "Nitroglycerin's medicinal role and exposure hazards must coexist in the model without treating medicinal availability as evidence of general handling suitability.", "layers": [ { "id": "medicinal-role-boundary", "name": "Medicinal role boundary", "description": "Link substance-level pharmacology to the specific authorised medicinal product and route.", "findings": [ { "id": "pharmacology-versus-prescribing", "name": "Pharmacology versus prescribing", "description": "Record the documented vasodilator role while assigning indications, administration and patient decisions to clinical and product models.", "questions": [ { "text": "What authoritative pharmacological evidence explains nitroglycerin's medicinal role and relevant adverse effects?", "kind": "provenance", "id": "pharmacology-versus-prescribing-q01" }, { "text": "Which claims depend on a particular medicinal formulation, route or patient context and therefore belong outside this substance model?", "kind": "boundary", "id": "pharmacology-versus-prescribing-q02" } ] } ] }, { "id": "occupational-and-unintended-exposure", "name": "Occupational and unintended exposure", "description": "Represent route-specific exposure evidence and applicable occupational criteria.", "findings": [ { "id": "exposure-evidence-and-limits", "name": "Exposure evidence and limits", "description": "Require exposure criteria to carry units, time basis, route qualifications and issuing authority.", "questions": [ { "text": "Which exposure routes, including potential skin absorption, are addressed by the authoritative assessment for this material?", "kind": "provenance", "id": "exposure-evidence-and-limits-q01" }, { "text": "Which occupational limits and skin notations apply in the relevant jurisdiction, with what units and averaging periods?", "kind": "measurement", "id": "exposure-evidence-and-limits-q02" } ] } ] } ] }, { "id": "authorised-use-and-regulatory-identity", "name": "Authorised use and regulatory identity", "description": "Connect verified material identity to use-specific documentation and applicable classifications.", "rationale": "Medicinal status, chemical hazard classification and transport classification answer different questions and may depend on formulation.", "layers": [ { "id": "classification-applicability", "name": "Classification applicability", "description": "Record classifications with their legal scope, material description and effective date.", "findings": [ { "id": "classification-with-context", "name": "Classification with context", "description": "Prevent a hazard or transport designation for one nitroglycerin preparation from becoming a universal property of every preparation.", "questions": [ { "text": "Which current chemical-hazard and transport classifications explicitly match the recorded material form and composition?", "kind": "provenance", "id": "classification-with-context-q01" }, { "text": "What jurisdiction, transport mode or product-status conditions limit each classification's applicability?", "kind": "boundary", "id": "classification-with-context-q02" } ] } ] }, { "id": "use-eligibility-and-documentation", "name": "Use eligibility and documentation", "description": "Determine whether evidence supports referral into a particular medicinal or industrial use context.", "findings": [ { "id": "documented-use-eligibility", "name": "Documented use eligibility", "description": "Treat chemical identity as necessary but insufficient evidence for suitability or permission to use a material.", "questions": [ { "text": "Which specifications, supplier records and applicable authorisations establish eligibility for the proposed use?", "kind": "provenance", "id": "documented-use-eligibility-q01" }, { "text": "What may the agent conclude from those records, and which release or use decisions require the responsible product owner or qualified authority?", "kind": "action", "id": "documented-use-eligibility-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": [ "These are recalled facts, not researched or source-verified findings.", "Confirm phase-dependent physical constants and purity conditions; nitroglycerin has polymorphic behavior and decomposes rather than offering a straightforward normal boiling-point measurement.", "Verify exact hazard classifications, exposure limits, transport entries and pharmacopoeial requirements for the relevant formulation and jurisdiction." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of nitroglycerin 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": "55-63-0", "note": "Identifies the chemical substance, not a particular explosive mixture or medicine." }, { "scheme": "PubChem CID", "value_or_pattern": "4510", "note": "Compound identifier for nitroglycerin." }, { "scheme": "EC number", "value_or_pattern": "200-240-8", "note": "European chemical inventory identifier." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of nitroglycerin 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 Nations Globally Harmonized System of Classification and Labelling of Chemicals provides the framework for communicating physical and health hazards; applicable classifications depend on composition and adopted jurisdictional rules.", "United Nations Recommendations on the Transport of Dangerous Goods distinguish transport entries according to formulation and desensitization.", "United States Pharmacopeia-National Formulary, issued by the United States Pharmacopeial Convention, includes quality standards for nitroglycerin pharmaceutical articles." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of nitroglycerin 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": [ "Active ingredient in medicines used to relieve or prevent angina.", "Intravenous pharmaceutical formulations used for selected cardiovascular indications under clinical supervision.", "Ingredient in dynamite and other formulated commercial explosives.", "Energetic ingredient in some propellants." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of nitroglycerin 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": "227.09", "unit": "g/mol" }, { "quantity": "Melting point of the stable crystalline form", "typical_range": "Approximately 13.2", "unit": "°C" }, { "quantity": "Liquid density near 20 °C", "typical_range": "Approximately 1.59", "unit": "g/cm³" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of nitroglycerin 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": [ "Unformulated nitroglycerin is highly sensitive to mechanical shock and can detonate.", "Heating or fire can cause violent decomposition and explosion.", "Absorption through skin or other exposure routes can cause headache, dizziness and a dangerous fall in blood pressure.", "Pharmaceutical use with phosphodiesterase-5 inhibitors can produce severe hypotension.", "Loss of desensitizer or separation within a formulation can change its explosive hazard." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of nitroglycerin 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": [ "Medicines may be labelled nitroglycerin or glyceryl trinitrate, often abbreviated GTN.", "Medicinal authorization, occupational exposure limits and explosives controls vary by jurisdiction.", "Transport classification depends on the actual preparation rather than the substance name alone." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of nitroglycerin 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": "glycerol", "difference": "Glycerol has three hydroxyl groups; nitroglycerin has their corresponding nitrate ester groups." }, { "name": "dynamite", "difference": "Dynamite is a formulated explosive material, whereas nitroglycerin is an individual chemical substance that may be an ingredient." }, { "name": "nitroglycerin medicine", "difference": "A medicine is a specified dosage form containing controlled amounts of the substance and other ingredients." }, { "name": "trinitrotoluene", "difference": "TNT is an aromatic nitro compound with carbon-nitrogen bonds to its nitro groups; nitroglycerin is a nitrate ester with carbon-oxygen-nitrogen linkages." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of nitroglycerin this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative identity records should anchor the CAS number, PubChem CID, EC number and accepted synonym set?", "Which physical-property values are adequately supported, particularly phase transitions and reported boiling or decomposition behaviour under specified conditions?", "How should the publication distinguish hazard evidence for pure nitroglycerin from evidence for solutions, absorbed preparations and medicinal formulations?", "Which jurisdictions and intended-use contexts should the initial publication cover for current hazard classifications, transport entries and occupational exposure limits?", "Does an existing Vercy world model already cover this chemical identity, and which product or clinical models should receive the out-of-scope relationships?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }, "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 nitroglycerin, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to recognise nitroglycerin, assess its documented material state and hazards, and determine which uses or handling decisions require formulation-specific evidence and qualified authority.", "characteristics": { "substance": "material", "origin": "natural", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured", "consumed or used up" ], "distinguishingFeatures": [ "Described in 79 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 nitroglycerin, 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": [], "standing": "Described in 79 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one nitroglycerin from another, and a nitroglycerin 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 nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin 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 nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin 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 nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin 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 nitroglycerin is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin 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 nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin 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 nitroglycerin between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a nitroglycerin 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 nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin 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 nitroglycerin is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a nitroglycerin performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a nitroglycerin at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin 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 nitroglycerin 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 nitroglycerin 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 nitroglycerin 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin 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 nitroglycerin 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 nitroglycerin is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a nitroglycerin, 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 nitroglycerin, 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 nitroglycerin 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 } } } }