{ "model": { "rank": 4619, "code": "thing-q134583", "model_id": "vr.tr.talc", "name": "talc", "purpose": "Enable an AI agent to recognise talc, assess the identity and condition of a particular material lot, and determine whether evidence supports its proposed handling or 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/q134583/", "tier": 2, "score": 74, "payload": { "layer": "wikidata", "aliases": [ "Asbestine", "pseudolite", "beaconite", "kerolite", "steatite", "chromian talc", "polyphant stone", "talc-1A" ], "aliasCount": 8, "merged": 8, "knownIn": 74, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.talc", "source": { "dataset": "wikidata", "item": "Q134583", "url": "https://www.wikidata.org/wiki/Q134583", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T20:38:11Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 20.5, "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: 01a087e3-6d8e-7593-9e78-1416489c3d9d\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: talc\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 1001 registered", "usd": 0, "recall": true }, "codex": { "seconds": 67.8, "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: 01a087e3-6d85-73a2-9e07-dc80f5ceefef\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: talc\nRegistry id: vr.tr.talc\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext for th" } } }, "metaModel": { "id": "THING-Q134583", "registryId": "vr.tr.talc", "name": "talc", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q134583/", "model": { "registry_id": "vr.tr.talc", "name": "talc", "purpose": "Enable an AI agent to recognise talc, assess the identity and condition of a particular material lot, and determine whether evidence supports its proposed handling or use.", "definition": "Talc is a crystalline, hydrated magnesium silicate mineral with ideal formula Mg3Si4O10(OH)2, whose layered structure gives it very low hardness, perfect basal cleavage and a characteristic greasy feel.", "scope_statement": "This model owns talc as a mineral and talc material lots, including mineralogical identity, composition, particle characteristics, processing history, grade and use-specific acceptance evidence; it distinguishes talc from talc-bearing rock and formulated products containing talc.", "in_scope": [ "Mineralogical identity and the boundary between talc, talc-bearing ore and commercial talc grades", "Lot composition, accessory minerals, contamination and sampling evidence", "Particle size, morphology, surface treatment and physical condition", "Source, beneficiation, milling and lot traceability", "Grade specifications, exposure assessment and jurisdiction-specific use restrictions" ], "out_of_scope": [ "Complete geology and resource estimation of a talc deposit", "Design and operation of mining or milling equipment", "Formulations and performance claims for cosmetics, medicines, foods or polymers containing talc", "Diagnosis or treatment of diseases associated with mineral dust exposure", "Independent models of asbestos minerals and other accessory minerals" ], "distinguishing_features": [ "Use mineralogical identification to distinguish talc from visually similar powders such as mica, kaolin or gypsum; appearance and touch alone do not establish identity.", "Distinguish identified talc mineral from a commercial powder whose talc fraction and accessory minerals require separate evidence.", "Distinguish talc powder from a formulated product marketed as talcum powder by inspecting its ingredient composition.", "Separate mineral species identification from particle habit and asbestos findings; neither talc identity nor an elongated particle alone settles asbestos status.", "Distinguish untreated talc from surface-treated grades even when their underlying mineral identity is the same." ], "characteristics": [ { "name": "Mineralogical identity", "kind": "category", "unit_or_values": "Identified phases, analytical method and identification confidence", "why_it_matters": "Establishes whether the material is talc and identifies minerals that change its interpretation." }, { "name": "Talc content and accessory mineral composition", "kind": "measurement", "unit_or_values": "Mass percent by mineral phase, with uncertainty and quantification limits", "why_it_matters": "Distinguishes mineral purity from a trade name or bulk chemical assay." }, { "name": "Chemical identity references", "kind": "relation", "unit_or_values": "Verified CAS, EC and PubChem references where applicable, with the material scope each identifier covers", "why_it_matters": "Connects records across systems without assuming an identifier establishes lot purity or grade." }, { "name": "Asbestos examination status", "kind": "state", "unit_or_values": "Not examined, detected, not detected within stated method limits, or inconclusive; linked sample, method and report", "why_it_matters": "Prevents missing evidence or a limited negative result from becoming an unrestricted absence claim." }, { "name": "Particle size distribution", "kind": "measurement", "unit_or_values": "Micrometres; distribution basis, method, dispersion conditions and reported percentiles", "why_it_matters": "Influences processing, performance and interpretation of dust generation." }, { "name": "Particle morphology", "kind": "category", "unit_or_values": "Observed habits, aspect-ratio distribution, agglomeration and microscopy method", "why_it_matters": "Supports application assessment and examination of elongated particles without equating shape with mineral identity." }, { "name": "Surface treatment", "kind": "state", "unit_or_values": "Untreated, treated or unknown; treatment agent and loading where documented", "why_it_matters": "Changes how a grade interacts with a formulation or process." }, { "name": "Moisture and storage condition", "kind": "measurement", "unit_or_values": "Moisture mass percent under a stated method; linked observations of caking and packaging integrity", "why_it_matters": "Helps assess dosing, dispersion and whether a stored lot still meets its specification." }, { "name": "Grade and acceptance specification", "kind": "relation", "unit_or_values": "Supplier grade linked to intended use, specification version, required tests and lot results", "why_it_matters": "Makes suitability an evidence-based decision for a particular use." }, { "name": "Provenance and processing lineage", "kind": "relation", "unit_or_values": "Mine or deposit, processor, parent lots, beneficiation, milling, treatment and blending records", "why_it_matters": "Connects test evidence to the material actually supplied." }, { "name": "Exposure and regulatory assessment", "kind": "relation", "unit_or_values": "Jurisdiction, effective date, material composition, applicable classification, exposure metric and authoritative source", "why_it_matters": "Keeps handling decisions tied to the applicable material and current requirements." } ], "affordances": [ "Request mineralogical and compositional evidence to confirm a claimed talc identity.", "Compare a lot with the documented requirements of an intended application.", "Identify gaps in sampling or asbestos examination and route the lot for further review.", "Select candidate grades by particle distribution, morphology and surface treatment.", "Trace changes in source or processing that require renewed qualification.", "Release, hold or reject a lot within an authorised workflow using explicit acceptance criteria." ] }, "sources": [], "structure": { "bundles": [ { "id": "talc-identity-and-boundaries", "name": "Talc identity and boundaries", "description": "Establishes what the name talc denotes in the record and what evidence identifies the material.", "rationale": "Mineral identity, commercial grade and talc-containing product must remain distinguishable.", "layers": [ { "id": "mineral-identification", "name": "Mineral identification", "description": "Connects the claimed talc identity to analytical evidence.", "findings": [ { "id": "identified-talc-phase", "name": "Identified talc phase", "description": "Records how talc was identified and which alternative mineral interpretations remain possible.", "questions": [ { "text": "Which analytical observations establish talc identity, and which similar minerals does the method distinguish?", "kind": "definition", "id": "identified-talc-phase-q01" }, { "text": "Which sample and laboratory report support the identification, and how representative is that sample of the lot?", "kind": "provenance", "id": "identified-talc-phase-q02" } ] } ] }, { "id": "commercial-material-boundary", "name": "Commercial material boundary", "description": "Separates the mineral from ore, grades and finished formulations.", "findings": [ { "id": "recorded-material-scope", "name": "Recorded material scope", "description": "Declares whether the record describes a mineral specimen, processed talc material or a neighbouring product.", "questions": [ { "text": "Does this record describe talc mineral, a processed talc grade, talc-bearing rock or a formulated product containing talc?", "kind": "boundary", "id": "recorded-material-scope-q01" }, { "text": "Which verified chemical identifiers and supplier names apply to this material scope, and which refer to a broader substance description?", "kind": "definition", "id": "recorded-material-scope-q02" } ] } ] } ] }, { "id": "mineral-purity-and-contamination", "name": "Mineral purity and contamination", "description": "Captures composition and contaminant evidence at the level of a sampled talc lot.", "rationale": "Talc identity alone does not establish purity or resolve potentially consequential accessory minerals.", "layers": [ { "id": "phase-and-chemical-composition", "name": "Phase and chemical composition", "description": "Separates mineral phase measurements from elemental or bulk chemical measurements.", "findings": [ { "id": "quantified-accessory-materials", "name": "Quantified accessory materials", "description": "Records the talc fraction and relevant accessory minerals or chemical contaminants with method limits.", "questions": [ { "text": "What talc fraction and accessory mineral fractions were measured, including any crystalline silica, and with what quantification limits?", "kind": "measurement", "id": "quantified-accessory-materials-q01" }, { "text": "Which additional chemical contaminants must be measured for the intended use, and what evidence supports their reported concentrations?", "kind": "measurement", "id": "quantified-accessory-materials-q02" } ] } ] }, { "id": "asbestos-evidence", "name": "Asbestos evidence", "description": "Preserves the sampling, mineral identification and particle interpretation behind asbestos-related conclusions.", "findings": [ { "id": "bounded-asbestos-conclusion", "name": "Bounded asbestos conclusion", "description": "Expresses examination results within the capability and coverage of the actual test programme.", "questions": [ { "text": "What sampling plan, preparation, analytical methods and reporting limits support the asbestos examination result for this lot?", "kind": "provenance", "id": "bounded-asbestos-conclusion-q01" }, { "text": "How were mineral species and particle habit evaluated, and which observations remain ambiguous?", "kind": "measurement", "id": "bounded-asbestos-conclusion-q02" }, { "text": "Does the evidence satisfy the applicable acceptance criterion, or must the lot remain on hold pending further examination?", "kind": "action", "id": "bounded-asbestos-conclusion-q03" } ] } ] } ] }, { "id": "particles-surfaces-and-condition", "name": "Particles, surfaces and condition", "description": "Describes the physical form of talc that governs handling and application behaviour.", "rationale": "Grades with the same mineral identity can differ materially in particle distribution, morphology and treatment.", "layers": [ { "id": "particle-population", "name": "Particle population", "description": "Makes particle measurements interpretable and comparable.", "findings": [ { "id": "size-shape-and-agglomeration", "name": "Size, shape and agglomeration", "description": "Records the measured particle population and distinguishes primary particles from agglomerates.", "questions": [ { "text": "What particle size distribution was measured, on what number, volume or mass basis, and under which dispersion conditions?", "kind": "measurement", "id": "size-shape-and-agglomeration-q01" }, { "text": "What microscopy evidence describes particle habit, aspect ratio and agglomeration, and how does that evidence constrain grade comparison?", "kind": "measurement", "id": "size-shape-and-agglomeration-q02" } ] } ] }, { "id": "surface-and-storage-state", "name": "Surface and storage state", "description": "Tracks treatment and physical changes that can affect use of the supplied powder.", "findings": [ { "id": "usable-physical-condition", "name": "Usable physical condition", "description": "Connects surface chemistry and storage observations to the lot specification.", "questions": [ { "text": "Has the talc been surface-treated, and what treatment identity, loading and verification are documented?", "kind": "provenance", "id": "usable-physical-condition-q01" }, { "text": "Do measured moisture, observed caking and packaging condition permit use under the intended dosing and dispersion requirements?", "kind": "action", "id": "usable-physical-condition-q02" } ] } ] } ] }, { "id": "source-processing-and-grade", "name": "Source, processing and grade", "description": "Connects a supplied lot to its origin, transformations and qualification requirements.", "rationale": "Source changes, blending and processing can change what earlier test results establish about a talc grade.", "layers": [ { "id": "lot-lineage", "name": "Lot lineage", "description": "Preserves origin and transformation records through production and supply.", "findings": [ { "id": "traceable-talc-lot", "name": "Traceable talc lot", "description": "Identifies parent materials, processing steps and the lots covered by each evidence record.", "questions": [ { "text": "Which mine or deposit, processor and parent lots contributed to this lot, including any blending?", "kind": "provenance", "id": "traceable-talc-lot-q01" }, { "text": "Which beneficiation, milling or treatment changes occurred after sampling, and do they require new qualification evidence?", "kind": "action", "id": "traceable-talc-lot-q02" } ] } ] }, { "id": "application-qualification", "name": "Application qualification", "description": "Defines grade suitability through explicit requirements and results.", "findings": [ { "id": "use-specific-grade-acceptance", "name": "Use-specific grade acceptance", "description": "Distinguishes a supplier's grade designation from demonstrated suitability for a particular application.", "questions": [ { "text": "Which intended application and versioned specification define acceptance for this talc grade?", "kind": "definition", "id": "use-specific-grade-acceptance-q01" }, { "text": "Which required results are verified for this lot, and which missing or failed results prevent its release?", "kind": "action", "id": "use-specific-grade-acceptance-q02" } ] } ] } ] }, { "id": "exposure-and-use-constraints", "name": "Exposure and use constraints", "description": "Connects the actual talc material and handling scenario to exposure evidence and applicable requirements.", "rationale": "Composition, airborne particle fraction, intended use and jurisdiction must be known before a handling or use decision is justified.", "layers": [ { "id": "airborne-talc-assessment", "name": "Airborne talc assessment", "description": "Separates bulk powder characteristics from measured exposure during handling.", "findings": [ { "id": "task-specific-dust-exposure", "name": "Task-specific dust exposure", "description": "Records the exposure metric, sampling context and material composition relevant to a handling task.", "questions": [ { "text": "Which handling tasks generate airborne material, and what personal or area measurements describe exposure under the actual controls?", "kind": "measurement", "id": "task-specific-dust-exposure-q01" }, { "text": "Which particle fraction, averaging period, units and composition conditions govern comparison with the applicable exposure limit?", "kind": "boundary", "id": "task-specific-dust-exposure-q02" } ] } ] }, { "id": "jurisdiction-and-decision", "name": "Jurisdiction and decision", "description": "Maintains dated regulatory evidence and the resulting permitted actions.", "findings": [ { "id": "supported-handling-and-use", "name": "Supported handling and use", "description": "Links classification and restrictions to the specific material, application and location.", "questions": [ { "text": "Which current authoritative sources establish applicable hazard classification, labelling and use restrictions for this talc composition and intended market?", "kind": "provenance", "id": "supported-handling-and-use-q01" }, { "text": "Given the lot evidence and proposed task, what handling controls or use restrictions must be satisfied before an authorised agent releases the material?", "kind": "action", "id": "supported-handling-and-use-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 account covers the mineral and commercial talc material; it is recalled knowledge, with no sources consulted.", "Verify application-specific purity standards, analytical methods, hazard classifications and jurisdictional exposure limits before operational use.", "Commercial grade labels do not by themselves establish composition; confirm mineralogy, particle-size distribution and contaminant testing for the actual material." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of talc 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": [ "Platy talc", "Fibrous talc", "Microcrystalline talc" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of talc 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": "14807-96-6", "note": "Identifies talc; does not establish a particular sample's mineral purity or absence of asbestos." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of talc 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": [ "Filler in plastics to modify stiffness and dimensional stability.", "Mineral ingredient in ceramic bodies.", "Filler and coating pigment in paper.", "Extender in paints and coatings.", "Ingredient in some cosmetic powders and pharmaceutical formulations, subject to application-specific purity requirements." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of talc 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": "Mohs hardness", "typical_range": "1", "unit": "Mohs scale" }, { "quantity": "Density", "typical_range": "2.7-2.8", "unit": "g/cm³" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of talc 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": [ "Fine powder can generate airborne, respirable mineral dust during handling.", "Some deposits contain associated asbestos minerals; the identity of talc alone does not establish their absence.", "Associated minerals, including quartz, can change a commercial material's hazard profile and performance.", "Particle size, morphology and mineral impurities can cause grades to perform differently in the same formulation." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of talc 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": [ "Deposit geology affects associated minerals, whiteness, morphology and achievable purity." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of talc 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": "Soapstone", "difference": "Soapstone is a talc-rich rock that can contain other minerals; talc is a mineral species." }, { "name": "Talcum powder", "difference": "Talcum powder is a processed powder or formulated product; its composition must be checked separately from the mineral identity." }, { "name": "Pyrophyllite", "difference": "Pyrophyllite is a similarly soft, layered aluminium silicate with ideal formula Al2Si4O10(OH)2, whereas talc is magnesium-bearing." }, { "name": "Asbestos", "difference": "Asbestos denotes particular minerals in an asbestiform habit; talc is a distinct mineral, although asbestos minerals may occur alongside it." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of talc this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does an existing Vercy world model already cover talc, and should vr.tr.talc link to that publication as its single source of truth?", "Which authoritative mineral definition and chemical identifiers should anchor this entry, and how do their scopes relate to commercial talc materials?", "Which sampling and analytical requirements support asbestos-related acceptance for each intended use and jurisdiction, and how should conflicting results be resolved?", "Which grade specifications and performance measurements are necessary for the intended applications, including whether thermal behaviour needs explicit modelling?", "Which current hazard classifications, exposure limits and use restrictions apply to the relevant talc compositions and markets?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "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 talc, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise talc, assess the identity and condition of a particular material lot, and determine whether evidence supports its proposed handling or 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: Asbestine, pseudolite, beaconite, kerolite, steatite, chromian talc, polyphant stone, talc-1A.", "8 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 74 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 talc, 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": [ "Asbestine", "pseudolite", "beaconite", "kerolite", "steatite", "chromian talc", "polyphant stone", "talc-1A" ] } ], "standing": "Described in 74 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 8 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 talc from another, and a talc 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 talc, 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 talc, 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 talc 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 talc, 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 talc, 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 talc 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 talc 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 talc, 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 talc, 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 talc 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 talc from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a talc, 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 talc, 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 talc 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 talc 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 talc, 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 talc, 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 talc 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 talc is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a talc, 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 talc, 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 talc 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 talc is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a talc, 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 talc, 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 talc 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 talc 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 talc is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a talc, 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 talc, 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 talc 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 talc 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 talc, 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 talc, 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 talc 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 talc 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 talc between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a talc, 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 talc, 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 talc 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 talc, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a talc 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 talc, 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 talc, 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 talc 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 talc 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 talc is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a talc performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a talc, 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 talc, 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 talc 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 talc.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a talc at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a talc, 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 talc, 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 talc 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 talc there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a talc, 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 talc, 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 talc 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 talc 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 talc 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 talc 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 talc 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 talc, 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 talc 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 talc 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 talc 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 talc, 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 talc 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 talc and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a talc, 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 talc, 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 talc 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 talc is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a talc, 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 talc, 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 talc 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 } } } }