{ "model": { "rank": 4765, "code": "thing-q182849", "model_id": "vr.tr.calcium-hydroxide", "name": "calcium hydroxide", "purpose": "Enable an AI agent to recognise calcium hydroxide, assess the condition and suitability of a particular quantity, and determine which uses and handling actions its evidence supports.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q182849/", "tier": 2, "score": 72, "payload": { "layer": "wikidata", "aliases": [], "aliasCount": 0, "merged": 0, "knownIn": 72, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q182849", "url": "https://www.wikidata.org/wiki/Q182849", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T20:57:32Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 30.7, "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: 01a087f5-3fc3-78e3-943b-1f4946ea2a6d\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: calcium hydroxide\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: 10", "usd": 0, "recall": true }, "codex": { "seconds": 60.9, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087f5-3fcb-7cd3-a620-22ba9c89af83\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: calcium hydroxide\nRegistry id: vr.tr.calcium-hydroxide\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entr" } } }, "metaModel": { "id": "THING-Q182849", "registryId": "vr.tr.calcium-hydroxide", "name": "calcium hydroxide", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q182849/", "model": { "registry_id": "vr.tr.calcium-hydroxide", "name": "calcium hydroxide", "purpose": "Enable an AI agent to recognise calcium hydroxide, assess the condition and suitability of a particular quantity, and determine which uses and handling actions its evidence supports.", "definition": "Calcium hydroxide, Ca(OH)2, is an inorganic ionic compound consisting of calcium ions and hydroxide ions, ordinarily a white crystalline solid that is sparingly soluble in water and forms strongly alkaline solutions.", "scope_statement": "This model owns the chemical identity and material state of calcium hydroxide, Ca(OH)2, under registry entry vr.tr.calcium-hydroxide in PHY / PHY.MAT, including grade, impurities, physical presentation, reactivity, and constraints on use.", "in_scope": [ "Calcium hydroxide identity, synonyms, and verified chemical registry identifiers", "Assay, grade, contaminants, and evidence supporting a stated application", "Solid material, dissolved calcium hydroxide, and calcium hydroxide suspensions, with their composition boundaries explicit", "Physical properties and chemical behaviour under recorded environmental and measurement conditions", "Carbonation, moisture exposure, storage condition, and changes in usable hydroxide content", "Hazard evidence, exposure controls, and jurisdiction-specific restrictions" ], "out_of_scope": [ "Calcium oxide as a separate substance and the equipment or process used to slake it", "Calcium carbonate as a separate substance, including limestone and chalk", "Complete mortar, plaster, cement, dental, or treatment-product formulations containing calcium hydroxide", "Design and operation of kilns, dosing systems, and water-treatment plants", "Clinical treatment decisions and patient-specific dental procedures", "Other calcium compounds and other hydroxides except as identity checks, impurities, or reaction partners" ], "distinguishing_features": [ "Identity evidence must support Ca(OH)2, distinguishing it from quicklime, CaO, and calcium carbonate, CaCO3; the word 'lime' alone is insufficient.", "A calcium hydroxide assay must distinguish hydroxide content from total calcium or alkalinity, which can also reflect other calcium compounds or bases.", "A clear aqueous preparation and a suspension containing undissolved calcium hydroxide require different state descriptions; appearance alone does not establish concentration.", "Hydrated lime and slaked lime are candidate commercial names whose composition must be checked, particularly for magnesium-bearing or blended materials.", "Carbonation can introduce calcium carbonate into material initially identified as calcium hydroxide, so historical identity does not establish current purity." ], "characteristics": [ { "name": "Chemical identity", "kind": "category", "unit_or_values": "Ca(OH)2; verified preferred name, synonyms, CAS number, PubChem CID, and EC number", "why_it_matters": "Prevents ambiguous lime terminology from substituting for a supported substance identity." }, { "name": "Calcium hydroxide assay", "kind": "measurement", "unit_or_values": "Mass percent Ca(OH)2, with analytical method, uncertainty, and as-received or dry basis", "why_it_matters": "Establishes how much of the material is the intended substance." }, { "name": "Grade and specification", "kind": "category", "unit_or_values": "Declared grade, governing specification and version, and conformity evidence", "why_it_matters": "A shared chemical identity does not establish suitability for every application." }, { "name": "Impurity profile", "kind": "measurement", "unit_or_values": "Mass percent or mg/kg, including carbonate, residual oxide, magnesium compounds, and application-relevant contaminants", "why_it_matters": "Impurities can change reactivity, handling behaviour, and permitted uses." }, { "name": "Physical presentation", "kind": "state", "unit_or_values": "Powder, other solid form, aqueous solution, or aqueous suspension; additional constituents identified", "why_it_matters": "Presentation changes sampling, exposure, mixing, and dosing requirements." }, { "name": "Water and solids content", "kind": "measurement", "unit_or_values": "Mass percent water and solids; dissolved and suspended fractions separately where relevant", "why_it_matters": "Distinguishes dry material from wet preparations and prevents concentration errors." }, { "name": "Particle size distribution", "kind": "measurement", "unit_or_values": "Micrometres, with distribution statistics and measurement method", "why_it_matters": "Influences dust generation, settling, dispersion, and reaction rate." }, { "name": "Aqueous pH", "kind": "measurement", "unit_or_values": "pH, with temperature, preparation method, concentration, and equilibration conditions", "why_it_matters": "Describes a specified aqueous state without treating pH as a direct purity measurement." }, { "name": "Solubility", "kind": "measurement", "unit_or_values": "g/L or mol/L, with temperature, solution composition, and equilibrium basis", "why_it_matters": "Determines whether a preparation can be treated as a solution or must retain a suspended-solids description." }, { "name": "Thermal behaviour", "kind": "measurement", "unit_or_values": "Degrees Celsius, pressure, atmosphere, and observed event such as decomposition or phase transition", "why_it_matters": "Prevents decomposition data from being misreported as ordinary melting or boiling points." }, { "name": "Available neutralising capacity", "kind": "measurement", "unit_or_values": "mol H+ neutralised per kg, or explicitly defined equivalent basis, with test method and endpoint", "why_it_matters": "Supports application-specific dosing while separating measured performance from nominal formula." }, { "name": "Hazard and exposure evidence", "kind": "relation", "unit_or_values": "Applicable safety data sheet, classification source, jurisdiction, issue date, and exposure limits with units and averaging periods", "why_it_matters": "Connects handling decisions to current evidence for the actual material and workplace." } ], "affordances": [ "Resolve a lime-labelled material to a supported calcium hydroxide identity or flag unresolved composition.", "Compare batch assay and contaminant evidence with the requirements of an intended use.", "Calculate a provisional material requirement from measured active content or neutralising capacity and a specified application basis.", "Identify when settling, carbonation, or moisture exposure makes resampling or reassay necessary.", "Select evidence-supported storage, transfer, and exposure controls for the material's presentation.", "Flag unsupported substitutions between grades, solutions, suspensions, and formulated products." ] }, "sources": [], "structure": { "bundles": [ { "id": "identity-grade-and-composition", "name": "Identity, grade, and composition", "description": "Establish what a calcium hydroxide designation means for the actual material being assessed.", "rationale": "Lime terminology and commercial grades can conceal chemically and operationally significant differences.", "layers": [ { "id": "chemical-identity", "name": "Chemical identity", "description": "Resolve names and identifiers without conflating neighbouring calcium compounds.", "findings": [ { "id": "resolve-lime-designations", "name": "Resolve lime designations", "description": "Record whether chemical and supplier evidence supports calcium hydroxide rather than calcium oxide, carbonate, or a blend.", "questions": [ { "text": "Which verified identifiers and composition evidence establish that this material is Ca(OH)2?", "kind": "definition", "id": "resolve-lime-designations-q01" }, { "text": "Does the supplier's use of hydrated lime or slaked lime include magnesium compounds or other constituents?", "kind": "boundary", "id": "resolve-lime-designations-q02" } ] } ] }, { "id": "batch-quality", "name": "Batch quality", "description": "Connect grade claims to measured composition and an identifiable batch.", "findings": [ { "id": "assay-and-grade-evidence", "name": "Assay and grade evidence", "description": "Keep calcium hydroxide content, impurity results, and grade conformity separate from the nominal substance name.", "questions": [ { "text": "What are the measured Ca(OH)2 content and relevant impurity concentrations, and on what analytical basis were they reported?", "kind": "measurement", "id": "assay-and-grade-evidence-q01" }, { "text": "Which batch certificate and specification version support the declared grade?", "kind": "provenance", "id": "assay-and-grade-evidence-q02" } ] } ] } ] }, { "id": "physical-and-aqueous-state", "name": "Physical and aqueous state", "description": "Describe calcium hydroxide as a solid, solution, or suspension under explicit conditions.", "rationale": "Limited dissolution and suspended particles make bulk concentration, dissolved concentration, and pH different decision inputs.", "layers": [ { "id": "solid-and-suspension-properties", "name": "Solid and suspension properties", "description": "Capture the properties that determine representative sampling and material transfer.", "findings": [ { "id": "particle-and-solids-state", "name": "Particle and solids state", "description": "Record particle distribution, water content, and suspension uniformity where applicable.", "questions": [ { "text": "What particle size distribution and water or solids content describe this preparation?", "kind": "measurement", "id": "particle-and-solids-state-q01" }, { "text": "Does settling or agglomeration require a defined mixing and sampling procedure before analysis or dosing?", "kind": "action", "id": "particle-and-solids-state-q02" } ] } ] }, { "id": "dissolution-and-alkalinity", "name": "Dissolution and alkalinity", "description": "Distinguish dissolved calcium hydroxide behaviour from the total material present.", "findings": [ { "id": "conditioned-aqueous-measurements", "name": "Conditioned aqueous measurements", "description": "Attach temperature, composition, and preparation conditions to solubility and pH measurements.", "questions": [ { "text": "At the recorded temperature and solution composition, how much material is dissolved and how much remains suspended?", "kind": "measurement", "id": "conditioned-aqueous-measurements-q01" }, { "text": "Was pH measured in a clear solution, equilibrated suspension, or another specified preparation, and was air exposure controlled?", "kind": "measurement", "id": "conditioned-aqueous-measurements-q02" } ] } ] } ] }, { "id": "reactivity-and-condition-change", "name": "Reactivity and condition change", "description": "Track chemical behaviour that changes calcium hydroxide content or usable performance.", "rationale": "Carbonation, neutralisation, and heating can change what remains available for the intended action.", "layers": [ { "id": "carbonation-and-storage", "name": "Carbonation and storage", "description": "Relate carbon dioxide and moisture exposure to the material's current condition.", "findings": [ { "id": "current-hydroxide-content", "name": "Current hydroxide content", "description": "Treat storage history as a reason to investigate condition rather than proof of unchanged assay.", "questions": [ { "text": "What carbonate content or other analytical evidence indicates conversion of calcium hydroxide since manufacture or opening?", "kind": "measurement", "id": "current-hydroxide-content-q01" }, { "text": "Which exposure history or acceptance threshold should trigger reassay, restricted use, or rejection?", "kind": "action", "id": "current-hydroxide-content-q02" } ] } ] }, { "id": "reaction-and-thermal-behaviour", "name": "Reaction and thermal behaviour", "description": "Record evidence for neutralising performance and changes under heating.", "findings": [ { "id": "application-relevant-reactivity", "name": "Application-relevant reactivity", "description": "Separate theoretical chemical capacity from measured performance and correctly label thermal events.", "questions": [ { "text": "What measured neutralising capacity and reaction time apply to the intended medium and endpoint?", "kind": "measurement", "id": "application-relevant-reactivity-q01" }, { "text": "Do reported thermal values describe decomposition or a phase transition, and under what pressure and atmosphere?", "kind": "definition", "id": "application-relevant-reactivity-q02" } ] } ] } ] }, { "id": "safe-and-qualified-use", "name": "Safe and qualified use", "description": "Connect the actual calcium hydroxide material to supported handling and application decisions.", "rationale": "Alkaline exposure, powder handling, and grade-specific requirements cannot be resolved from formula alone.", "layers": [ { "id": "hazards-and-exposure-controls", "name": "Hazards and exposure controls", "description": "Resolve applicable hazard information for dry material and aqueous preparations.", "findings": [ { "id": "presentation-specific-controls", "name": "Presentation-specific controls", "description": "Identify controls using the actual presentation, concentration, task, and current authoritative evidence.", "questions": [ { "text": "Which current hazard classification and safety data sheet apply to this material's composition and presentation?", "kind": "provenance", "id": "presentation-specific-controls-q01" }, { "text": "Which dust or splash controls and exposure limits apply to the proposed operation, including jurisdiction and averaging period?", "kind": "action", "id": "presentation-specific-controls-q02" } ] } ] }, { "id": "application-qualification", "name": "Application qualification", "description": "Determine whether a batch meets the requirements of a proposed use without absorbing the downstream process model.", "findings": [ { "id": "supported-use-and-substitution", "name": "Supported use and substitution", "description": "Require application-specific evidence before accepting a grade or substituting a different preparation.", "questions": [ { "text": "Which purity, contaminant, particle, and regulatory requirements must this batch meet for its proposed use?", "kind": "boundary", "id": "supported-use-and-substitution-q01" }, { "text": "Does the available evidence support use or substitution, or is additional testing or qualification required?", "kind": "action", "id": "supported-use-and-substitution-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 description is recalled knowledge; no sources were consulted.", "Verify current standard editions, grade requirements, jurisdiction-specific GHS classifications and occupational exposure limits before operational use.", "Solubility, saturated-solution pH and decomposition temperature depend on conditions; decomposition should not be reported as an ordinary melting or boiling point." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of calcium hydroxide 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": [ "Technical-grade hydrated lime", "Reagent-grade calcium hydroxide", "Food-grade calcium hydroxide", "Pharmaceutical-grade calcium hydroxide" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of calcium hydroxide 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": "1305-62-0", "note": "Identifies calcium hydroxide." }, { "scheme": "EC number", "value_or_pattern": "215-137-3", "note": "European chemical inventory identifier." }, { "scheme": "Chemical formula", "value_or_pattern": "Ca(OH)2", "note": "Common names include slaked lime and hydrated lime; commercial materials may contain impurities." }, { "scheme": "European food additive E number", "value_or_pattern": "E526", "note": "Food additive identity; this does not establish that any particular grade or use is permitted." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of calcium hydroxide this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "ASTM International ASTM C206 specifies hydrated lime for masonry purposes.", "ASTM International ASTM C207 specifies hydrated lime for masonry mortar.", "The United States Pharmacopeia publishes a Calcium Hydroxide monograph in USP-NF.", "The Food Chemicals Codex, published by USP, provides a calcium hydroxide specification." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of calcium hydroxide 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": [ "Manufacturing lime mortars, plasters and limewash.", "Adjusting pH and removing selected impurities in water and wastewater treatment.", "Neutralizing acidic gases in flue-gas treatment.", "Processing foods, including maize nixtamalization and sugar refining, using suitable food-grade material.", "Providing an alkaline ingredient in dental materials, including some root-canal medicaments." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of calcium hydroxide 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": "74.09", "unit": "g/mol" }, { "quantity": "Crystal density near room temperature", "typical_range": "Approximately 2.21", "unit": "g/cm³" }, { "quantity": "Solubility in water near 20 °C", "typical_range": "Approximately 1.5-1.7", "unit": "g/L" }, { "quantity": "pH of a saturated aqueous solution near room temperature", "typical_range": "Approximately 12.4-12.6", "unit": "dimensionless" }, { "quantity": "Thermal decomposition temperature", "typical_range": "Approximately 500-600, depending on conditions; releases water and forms calcium oxide", "unit": "°C" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of calcium hydroxide 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": [ "Strong alkalinity can cause serious eye injury and skin irritation or burns, depending on exposure.", "Airborne dust irritates the respiratory tract.", "Reaction with acids releases heat and can cause localized boiling or splashing.", "Absorption of atmospheric carbon dioxide forms calcium carbonate, changing composition and reducing available alkalinity.", "Poor dispersion, settling and carbonation can cause inconsistent dosing or deposits in slurry-handling equipment." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of calcium hydroxide 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": [ "Food additive identification includes E526 in Europe and INS 526 in the Codex system; permitted uses and purity requirements depend on jurisdiction.", "Construction-grade classifications and acceptance tests vary between national and regional standards." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of calcium hydroxide 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": "Calcium oxide", "difference": "Quicklime is CaO; adding water converts it to calcium hydroxide with substantial heat release." }, { "name": "Calcium carbonate", "difference": "CaCO3 contains carbonate rather than hydroxide and is the principal product of calcium hydroxide carbonation." }, { "name": "Portlandite", "difference": "Portlandite is the mineral name for crystalline Ca(OH)2; calcium hydroxide names the chemical substance regardless of origin." }, { "name": "Limewater", "difference": "Limewater is a clear aqueous solution of calcium hydroxide rather than the isolated solid." }, { "name": "Milk of lime", "difference": "Milk of lime is a suspension containing undissolved calcium hydroxide particles in water." }, { "name": "Dolomitic hydrated lime", "difference": "Dolomitic hydrated lime contains magnesium-bearing components as well as calcium hydroxide and is not the pure compound." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of calcium hydroxide this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative records should anchor the CAS number, PubChem CID, EC number, and accepted synonym mappings for this registry entry?", "Which reference methods reliably distinguish calcium hydroxide, carbonate, residual calcium oxide, and magnesium-bearing constituents in the commercial grades encountered?", "What condition-specific solubility and thermal data should be adopted, and which published melting or boiling fields actually describe decomposition or an inapplicable property?", "Which current hazard classifications, occupational exposure limits, and application restrictions apply in the jurisdictions where the material will be used?", "What evidence-based carbonation, moisture, and assay thresholds should trigger reassessment for each intended application?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 17, "questions": 25 } }, "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 calcium hydroxide, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise calcium hydroxide, assess the condition and suitability of a particular quantity, and determine which uses and handling actions its evidence supports.", "characteristics": { "substance": "material", "origin": "natural", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured", "consumed or used up" ], "distinguishingFeatures": [ "Described in 72 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 calcium hydroxide, 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 72 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 calcium hydroxide from another, and a calcium hydroxide 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 calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide 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 calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide 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 calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide 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 calcium hydroxide is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide 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 calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide 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 calcium hydroxide between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a calcium hydroxide 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 calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide 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 calcium hydroxide is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a calcium hydroxide performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a calcium hydroxide at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide 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 calcium hydroxide 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 calcium hydroxide 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 calcium hydroxide 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide 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 calcium hydroxide 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 calcium hydroxide is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a calcium hydroxide, 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 calcium hydroxide, 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 calcium hydroxide 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 } } } }