{ "model": { "rank": 6394, "code": "thing-q208451", "model_id": "vr.tr.calcium-chloride", "name": "calcium chloride", "purpose": "Enable an AI agent to recognise calcium chloride, assess the condition and suitability of a particular material, and select actions supported by its composition, form and intended use.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q208451/", "tier": 2, "score": 60, "payload": { "layer": "wikidata", "aliases": [], "aliasCount": 0, "merged": 0, "knownIn": 60, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.calcium-chloride", "source": { "dataset": "wikidata", "item": "Q208451", "url": "https://www.wikidata.org/wiki/Q208451", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T14:16:01Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.01431468, "turns": 1, "seconds": 174.8, "error": null }, "codex": { "seconds": 150.8, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c35-5bcb-7620-849d-9f67a5beb3d2\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: calcium chloride\nRegistry id: vr.tr.calcium-chloride\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry:" } } }, "metaModel": { "id": "THING-Q208451", "registryId": "vr.tr.calcium-chloride", "name": "calcium chloride", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q208451/", "model": { "registry_id": "vr.tr.calcium-chloride", "name": "calcium chloride", "purpose": "Enable an AI agent to recognise calcium chloride, assess the condition and suitability of a particular material, and select actions supported by its composition, form and intended use.", "definition": "Calcium chloride is the ionic calcium(II) chloride salt CaCl₂, handled as the anhydrous solid or as a short series of crystalline hydrates, that is strongly hygroscopic (often deliquescent) and dissolves in water with marked heat release to give a high-ionic-strength Ca²⁺/Cl⁻ brine.", "scope_statement": "This model owns calcium chloride as an identified substance and as supplied or held material, including hydration state, solid or solution form, composition, condition, provenance and use constraints.", "in_scope": [ "Calcium chloride identity and evidence distinguishing it from other salts", "Anhydrous material, specified hydrates and aqueous calcium chloride solutions", "Lot-specific assay, water content, impurities and grade evidence", "Moisture exposure, physical condition and solution concentration", "Suitability and handling constraints for a stated application" ], "out_of_scope": [ "Calcium metal, elemental chlorine and other calcium or chloride compounds", "Complete formulations in which calcium chloride is one ingredient", "Design and operation of deicing, refrigeration, drying or water-treatment systems", "Clinical diagnosis, dosing and administration of calcium chloride medicines", "Site-wide environmental assessment and waste-management systems" ], "distinguishing_features": [ "Identity evidence must establish calcium and chloride as the intended salt constituents with the nominal CaCl2 formula; detecting either ion alone is insufficient.", "Cation identification distinguishes calcium chloride from sodium chloride and magnesium chloride; chloride detection alone does not.", "Anion identification distinguishes calcium chloride from calcium carbonate and other calcium salts; calcium detection alone does not.", "Water-content and phase evidence distinguish anhydrous calcium chloride, specified hydrates and solutions, while retaining them within this model.", "Composition evidence distinguishes calcium chloride material from a mixed deicer or other formulation merely containing calcium chloride." ], "characteristics": [ { "name": "Identity evidence", "kind": "relation", "unit_or_values": "Material linked to label, supplier specification and applicable analytical identification", "why_it_matters": "Prevents appearance or a single ion test from being treated as sufficient identification." }, { "name": "Hydration designation", "kind": "category", "unit_or_values": "Anhydrous; specified CaCl2·nH2O hydrate; mixed or unresolved solid phases; not applicable to dissolved material", "why_it_matters": "Controls interpretation of formula mass, assay and quantities used in preparation." }, { "name": "Physical form", "kind": "category", "unit_or_values": "Powder; flakes; granules; pellets; other solid form; solution; solid-liquid mixture", "why_it_matters": "Affects dispensing, dissolution and interpretation of visible changes." }, { "name": "Calcium chloride content", "kind": "measurement", "unit_or_values": "Mass fraction or concentration with explicit units, analytical method and anhydrous-equivalent or other reporting basis", "why_it_matters": "Makes quantities comparable without confusing hydration water, solution water and active salt content." }, { "name": "Water content", "kind": "measurement", "unit_or_values": "% by mass with method and distinction between total water and any separately established water fractions", "why_it_matters": "Helps assess moisture uptake and whether the supplied hydration or assay claim remains applicable." }, { "name": "Impurity profile", "kind": "measurement", "unit_or_values": "Named analytes and concentrations, detection limits, insoluble fraction and applicable acceptance limits", "why_it_matters": "Determines whether a lot meets the requirements of its intended use." }, { "name": "Material temperature", "kind": "measurement", "unit_or_values": "°C with time and sampling location", "why_it_matters": "Provides context for solution properties, phase observations and preparation decisions." }, { "name": "Observed condition", "kind": "state", "unit_or_values": "Free-flowing; caked; visibly wet; partly liquefied; clear solution; precipitate present; other observed condition", "why_it_matters": "Separates current observations from the original supplier description." }, { "name": "Exposure and containment history", "kind": "relation", "unit_or_values": "Links to opening dates, humidity exposure, transfers, packaging condition and storage records", "why_it_matters": "Supports judgments about changes in moisture content and contamination." }, { "name": "Application qualification", "kind": "relation", "unit_or_values": "Lot linked to intended use, required specification, supporting documents and approval status", "why_it_matters": "Prevents suitability for one application from being assumed for another." } ], "affordances": [ "Identify or quarantine a material using calcium chloride identity and composition evidence.", "Calculate the required supplied mass for a target calcium chloride amount using the verified assay and reporting basis.", "Prepare or dilute a solution under a documented procedure that addresses dissolution heat and verifies final concentration.", "Inspect and reassess exposed material for moisture uptake, caking, phase change or contamination.", "Match a lot to an application specification and accept, restrict or reject its use.", "Select storage, transfer and disposition actions from the material-specific safety and compatibility evidence." ] }, "sources": [ { "id": "pubchem-cacl2", "title": "PubChem Compound Summary for CID 24854, Calcium Chloride", "url": "https://pubchem.ncbi.nlm.nih.gov/compound/24854", "what_it_supports": "Identity (formula, CAS, InChIKey), hydrates, physical properties, and common uses of CaCl₂.", "url_status": "live" }, { "id": "astm-d98", "title": "ASTM D98 Standard Specification for Calcium Chloride", "url": "", "what_it_supports": "Commercial de-icing/dust-control grades: Type S (solid) and Type L (liquid), assay minima, and how practitioners distinguish product kinds.", "url_status": "dead" }, { "id": "fda-21cfr-184-1193", "title": "21 CFR 184.1193 Calcium chloride", "url": "https://www.ecfr.gov/current/title-21/section-184.1193", "what_it_supports": "U.S. food-additive (GRAS) status, permitted uses, and food-grade identity of calcium chloride.", "url_status": "live" }, { "id": "eu-231-2012-e509", "title": "Commission Regulation (EU) No 231/2012 laying down specifications for food additives (E 509 calcium chloride)", "url": "https://eur-lex.europa.eu/eli/reg/2012/231/oj", "what_it_supports": "EU food-additive specification, naming as E509, and purity criteria that distinguish food grade from technical grade.", "url_status": "live" } ], "structure": { "bundles": [ { "id": "salt-identity-and-boundary", "name": "Salt identity and boundary", "description": "Establishes what the material is and whether calcium chloride is the appropriate model.", "rationale": "Similar-looking salts and calcium chloride-containing blends require different recognition and action decisions.", "layers": [ { "id": "chemical-identification", "name": "Chemical identification", "description": "Connects the calcium chloride identity claim to evidence about both ionic constituents.", "findings": [ { "id": "calcium-chloride-identity", "name": "Calcium chloride identity", "description": "Record the identity claim, supporting evidence and unresolved alternatives without treating appearance as proof.", "questions": [ { "text": "What evidence identifies the material as CaCl2 rather than another calcium salt or another chloride salt?", "kind": "definition", "id": "calcium-chloride-identity-q01" }, { "text": "Which supplier records or analytical results support that identification for this material?", "kind": "provenance", "id": "calcium-chloride-identity-q02" } ] } ] }, { "id": "substance-or-formulation", "name": "Substance or formulation", "description": "Locates the boundary between calcium chloride material and a formulation containing it.", "findings": [ { "id": "material-boundary", "name": "Material boundary", "description": "Record whether other constituents represent water, incidental impurities or intentional formulation ingredients.", "questions": [ { "text": "Which constituents besides calcium chloride and water are present, and which were intentionally added?", "kind": "definition", "id": "material-boundary-q01" }, { "text": "Does the agent's decision concern calcium chloride itself or a blend that needs a neighbouring formulation model?", "kind": "boundary", "id": "material-boundary-q02" } ] } ] } ] }, { "id": "hydration-and-quantity", "name": "Hydration and quantity", "description": "Makes hydration, assay and solution concentration explicit enough to support quantity decisions.", "rationale": "A mass of supplied calcium chloride material does not establish the amount of CaCl2 without its water content and assay basis.", "layers": [ { "id": "solid-hydration", "name": "Solid hydration", "description": "Distinguishes a declared hydrate from measured water content and established solid phases.", "findings": [ { "id": "hydrate-assignment", "name": "Hydrate assignment", "description": "Record the claimed hydration state and the evidence supporting its applicability to the current material.", "questions": [ { "text": "Is the solid designated anhydrous, a specified hydrate or an unresolved mixture of phases?", "kind": "definition", "id": "hydrate-assignment-q01" }, { "text": "What measurements support the hydration assignment, and can they distinguish hydration water from additional moisture?", "kind": "measurement", "id": "hydrate-assignment-q02" } ] } ] }, { "id": "assay-and-concentration", "name": "Assay and concentration", "description": "Preserves the basis needed to compare assays and calculate solution or solid quantities.", "findings": [ { "id": "usable-calcium-chloride-quantity", "name": "Usable calcium chloride quantity", "description": "Record CaCl2 content with units, reporting basis, uncertainty and measurement conditions.", "questions": [ { "text": "What is the measured calcium chloride content, and is it reported as anhydrous equivalent, hydrate content or another explicitly defined basis?", "kind": "measurement", "id": "usable-calcium-chloride-quantity-q01" }, { "text": "What supplied mass or solution volume delivers the target amount, using the verified assay and any necessary density at the relevant temperature?", "kind": "action", "id": "usable-calcium-chloride-quantity-q02" } ] } ] } ] }, { "id": "moisture-and-phase-condition", "name": "Moisture and phase condition", "description": "Tracks whether exposure and temperature have changed the material's observed state or usability.", "rationale": "The original form and composition claim may need reassessment after storage, opening or temperature changes.", "layers": [ { "id": "exposure-driven-change", "name": "Exposure-driven change", "description": "Relates moisture exposure and containment history to present solid condition.", "findings": [ { "id": "moisture-exposure-assessment", "name": "Moisture exposure assessment", "description": "Record exposure history and evidence of moisture-related change without inferring a precise assay from appearance.", "questions": [ { "text": "When was the material opened or transferred, and what humidity or liquid-water exposure is documented?", "kind": "provenance", "id": "moisture-exposure-assessment-q01" }, { "text": "What changes in mass, water content, flowability or visible wetness have been observed since the last accepted assessment?", "kind": "measurement", "id": "moisture-exposure-assessment-q02" } ] } ] }, { "id": "solution-and-solid-coexistence", "name": "Solution and solid coexistence", "description": "Records temperature-dependent observations needed to interpret solutions and solid-liquid mixtures.", "findings": [ { "id": "current-phase-condition", "name": "Current phase condition", "description": "Record clarity, undissolved material or crystallisation together with concentration and temperature.", "questions": [ { "text": "At what temperature and measured concentration is the material clear, crystalline or a solid-liquid mixture?", "kind": "measurement", "id": "current-phase-condition-q01" }, { "text": "What evidence distinguishes calcium chloride crystallisation or incomplete dissolution from insoluble contamination before the material is used?", "kind": "action", "id": "current-phase-condition-q02" } ] } ] } ] }, { "id": "grade-and-use-fitness", "name": "Grade and use fitness", "description": "Connects lot-specific quality evidence to the requirements of a stated calcium chloride application.", "rationale": "A grade label or successful use in one setting does not establish fitness for every calcium chloride application.", "layers": [ { "id": "lot-quality-evidence", "name": "Lot quality evidence", "description": "Captures assay, impurities and documentation relevant to the particular supplied lot.", "findings": [ { "id": "grade-claim-support", "name": "Grade claim support", "description": "Record the exact grade claim, governing specification and available lot-level evidence.", "questions": [ { "text": "Which specification and version define the claimed grade, and what certificate links that claim to this lot?", "kind": "provenance", "id": "grade-claim-support-q01" }, { "text": "Which impurity, insoluble-matter and assay results are available, with methods and detection limits?", "kind": "measurement", "id": "grade-claim-support-q02" } ] } ] }, { "id": "application-acceptance", "name": "Application acceptance", "description": "Determines whether documented material properties meet a particular use requirement.", "findings": [ { "id": "intended-use-decision", "name": "Intended-use decision", "description": "Record acceptance criteria and the resulting suitability decision for the specified application.", "questions": [ { "text": "What calcium chloride content, form, impurity limits and documentation does the intended application require?", "kind": "boundary", "id": "intended-use-decision-q01" }, { "text": "Does this lot meet every required criterion, or must it be restricted, retested or rejected?", "kind": "action", "id": "intended-use-decision-q02" } ] } ] } ] }, { "id": "preparation-and-containment", "name": "Preparation and containment", "description": "Supports evidence-based dissolution, dilution, transfer and storage decisions.", "rationale": "Calcium chloride preparation and containment depend on the supplied form, concentration, temperature and contacted materials.", "layers": [ { "id": "solution-preparation", "name": "Solution preparation", "description": "Links the intended concentration to a suitable procedure and verification of the resulting solution.", "findings": [ { "id": "controlled-dissolution-and-dilution", "name": "Controlled dissolution and dilution", "description": "Record a preparation procedure that accounts for heat release and specifies how the final solution is accepted.", "questions": [ { "text": "Which documented procedure specifies addition order, addition rate, mixing and temperature limits for this starting material and batch size?", "kind": "action", "id": "controlled-dissolution-and-dilution-q01" }, { "text": "How will the final concentration be verified after the solution reaches the procedure's specified measurement temperature?", "kind": "measurement", "id": "controlled-dissolution-and-dilution-q02" } ] } ] }, { "id": "contact-and-storage-constraints", "name": "Contact and storage constraints", "description": "Connects packaging, equipment and handling choices to relevant safety and compatibility evidence.", "findings": [ { "id": "supported-handling-envelope", "name": "Supported handling envelope", "description": "Record permitted contact materials and handling conditions with evidence applicable to the actual material.", "questions": [ { "text": "Which safety data and compatibility references apply to this calcium chloride form, concentration, temperature and contacted equipment?", "kind": "provenance", "id": "supported-handling-envelope-q01" }, { "text": "What containment, moisture protection, exposure controls and spill-response actions do those references require?", "kind": "action", "id": "supported-handling-envelope-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-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Anhydrous CaCl₂ (pellets, prills or powder, typically ≥94% as CaCl₂)", "Calcium chloride dihydrate (CaCl₂·2H₂O)", "Calcium chloride hexahydrate (CaCl₂·6H₂O)", "Flake technical solid (typically about 77-80% as CaCl₂, mixed hydrate)", "Liquid calcium chloride brine (typically 28-42% w/w)", "Food-grade calcium chloride (E509 / INS 509 / FCC)", "De-icing and dust-control grade (ASTM D98 Type S solid or Type L liquid)", "Pharmaceutical / parenteral grade (USP calcium chloride, including 10% injection)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of calcium chloride this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "scheme": "CAS Registry Number", "value_or_pattern": "10043-52-4", "note": "Anhydrous calcium chloride; the usual parent CAS." }, { "scheme": "CAS Registry Number", "value_or_pattern": "10035-04-8", "note": "Calcium chloride dihydrate." }, { "scheme": "CAS Registry Number", "value_or_pattern": "7774-34-7", "note": "Calcium chloride hexahydrate." }, { "scheme": "EC / EINECS", "value_or_pattern": "233-140-8", "note": "EC number for calcium chloride (anhydrous parent)." }, { "scheme": "PubChem CID", "value_or_pattern": "24854", "note": "Compound record for CaCl₂." }, { "scheme": "Wikidata", "value_or_pattern": "Q208451", "note": "Wikidata item for calcium chloride." }, { "scheme": "InChIKey", "value_or_pattern": "UXVMQQNJUSDDNG-UHFFFAOYSA-N", "note": "Standard InChIKey of anhydrous CaCl₂." }, { "scheme": "E number / INS", "value_or_pattern": "E509 / INS 509", "note": "Food-additive code (firming agent, sequestrant, stabilizer)." }, { "scheme": "HS / CN", "value_or_pattern": "2827.20", "note": "Harmonized System heading for calcium chloride." }, { "scheme": "ATC", "value_or_pattern": "A12AA07", "note": "Calcium chloride as a mineral supplement / injectable calcium salt." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of calcium chloride this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "ASTM D98 Standard Specification for Calcium Chloride (ASTM International) - Type S solid and Type L liquid for ice control, dust control and related uses.", "21 CFR 184.1193 Calcium chloride (U.S. FDA) - GRAS food-additive listing.", "Commission Regulation (EU) No 231/2012, specification for E 509 calcium chloride (European Commission), under Regulation (EC) No 1333/2008.", "Food Chemicals Codex (FCC) monograph for calcium chloride (U.S. Pharmacopeial Convention) - food-grade identity and purity.", "USP-NF Calcium Chloride and Calcium Chloride Injection monographs (U.S. Pharmacopeial Convention) - pharmaceutical identity, assay and parenteral quality.", "REACH registration, EC 233-140-8 (ECHA) - EU chemical safety and classification of the substance.", "GHS/CLP classification as typically published on ECHA and supplier SDS (commonly skin/eye irritant; some suppliers classify serious eye damage) - labelling and workplace handling.", "Codex Alimentarius INS 509 (FAO/WHO Codex) - international food-additive numbering aligned with E509." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of calcium chloride this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Road and pavement de-icing and anti-icing as flake, pellet or 28-42% brine, used because the CaCl₂-water eutectic is far colder than that of NaCl.", "Dust suppression on unpaved roads and construction sites: hygroscopic brine keeps fines damp.", "Concrete set accelerator in cold weather (chloride-bearing admixture); limited or banned in prestressed/reinforced concrete because of rebar corrosion.", "Industrial and laboratory desiccant (anhydrous or drying tubes) and brine for refrigeration and heat-transfer loops.", "Oil- and gas-well completion and workover fluids (dense CaCl₂ brine for density and shale inhibition).", "Food: firming agent and electrolyte (pickles, canned vegetables, cheese, sports drinks); coagulant for tofu in place of or with nigari/gypsum; labelled E509 in the EU.", "Water and wastewater: pH/alkalinity adjustment adjunct and source of hardness ions; not a primary coagulant in the alum/iron sense.", "Medicine: 10% calcium chloride injection for acute hypocalcaemia, calcium-channel-blocker overdose and some cardiac arrest protocols - more elemental calcium than gluconate, but vesicant on extravasation." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of calcium chloride this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "quantity": "Assay as CaCl₂ (solid product)", "typical_range": "77-80 (flake Type S) to 94-100 (anhydrous pellets/reagent)", "unit": "% w/w" }, { "quantity": "Solution concentration (commercial liquid)", "typical_range": "28-42", "unit": "% w/w CaCl₂" }, { "quantity": "Density of ~32% brine (near 15-20 °C)", "typical_range": "1.31-1.32", "unit": "g/mL" }, { "quantity": "Melting point (anhydrous)", "typical_range": "772-775", "unit": "°C" }, { "quantity": "Solubility in water at ~20 °C", "typical_range": "about 74-75", "unit": "g CaCl₂ / 100 g water" }, { "quantity": "CaCl₂-H₂O eutectic temperature", "typical_range": "about −50 to −52", "unit": "°C" }, { "quantity": "pH of dilute (around 5%) aqueous solution", "typical_range": "8-10", "unit": "pH" }, { "quantity": "Solid bulk density (flake vs pellet, as shipped)", "typical_range": "about 0.8-1.2", "unit": "g/cm³ (bulk)" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of calcium chloride this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Deliquescence and caking in humid storage; anhydrous material pulls water until it becomes a brine, ruining dry handling and packaging.", "Exothermic dissolution: adding water to bulk solid (or vice versa in poorly designed mixers) can boil, splash hot brine and cause thermal burns.", "Skin and eye irritation; concentrated solutions and dust can cause serious eye injury; 10% injection is a vesicant (extravasation necrosis).", "Wet CaCl₂ is corrosive to steel, aluminium and vehicle metals; chloride also drives pitting of reinforcing steel in concrete.", "Runoff phytotoxicity and freshwater salinization: roadside vegetation burn, soil structure damage, and elevated Cl⁻ in receiving waters.", "Hypercalcaemia and cardiac arrhythmia if parenteral calcium chloride is overdosed or pushed too fast.", "Mis-grade substitution: industrial de-icer used in food, or CaCl₂ used where a non-chloride accelerator was specified." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of calcium chloride this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "United States and Canada: municipal liquid brine (often specified to ASTM D98 Type L, commonly ~32%) is a standard anti-icer; food use is GRAS under 21 CFR 184.1193 and FCC.", "European Union: food use is as E509 with purity in Regulation 231/2012; several states restrict or discourage chloride de-icers near watercourses and vegetation, sometimes preferring acetate/formate blends.", "East Asia: food-grade CaCl₂ is a recognised tofu coagulant alongside magnesium chloride nigari and gypsum; labelling follows local food-additive lists rather than E-numbers.", "Naming in trade: English \"calcium chloride\" / \"liquid calcium\"; French \"chlorure de calcium\"; Russian \"хлористый кальций\"; food packs in the EU show E509." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of calcium chloride this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "name": "Sodium chloride (NaCl)", "difference": "NaCl is far less hygroscopic and its ice-melting eutectic is only about −21 °C versus about −51 °C for CaCl₂; confirm Ca²⁺ by flame (brick-red) or oxalate precipitation, or assay Ca vs Na." }, { "name": "Magnesium chloride (MgCl₂, often hexahydrate)", "difference": "Same de-icer/dust-control niche and similar brines; separate by Ca vs Mg (AAS/ICP, or EDTA titration with masking) and by hydrate water (MgCl₂·6H₂O is the usual solid)." }, { "name": "Calcium hypochlorite (Ca(OCl)₂)", "difference": "A chlorinating oxidizer, not a chloride salt for de-icing; available-chlorine / starch-iodide test is positive, and it is classified as an oxidizer (typical CAS 7778-54-3)." }, { "name": "Calcium carbonate (CaCO₃)", "difference": "Sparingly soluble, not deliquescent; fizzes with acid (CO₂) and leaves little dissolved Ca²⁺ in water, whereas CaCl₂ dissolves freely without gas." }, { "name": "Calcium hydroxide (hydrated lime)", "difference": "Saturated solutions are strongly alkaline (pH ~12.4) versus mildly alkaline dilute CaCl₂ (pH ~8-10); lime is only slightly soluble and is not a chloride source." }, { "name": "Calcium gluconate (injectable)", "difference": "Same clinical calcium indication but less elemental calcium per millilitre and much less vesicant; label, anion assay and osmolarity separate the two ampoules - they are not interchangeable millilitre-for-millilitre." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of calcium chloride this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative references should establish the hydrate and solution phase boundaries across the temperatures and concentrations the model must support?", "Which analytical methods adequately distinguish hydrate identity, total water, absorbed moisture and CaCl2 assay for the intended decisions?", "Which application specifications and jurisdiction-specific grade requirements should the initial model support?", "What validated compatibility and preparation guidance applies across the intended container materials, solution concentrations and batch sizes?", "What evidence and thresholds should trigger reassay, requalification or rejection after moisture exposure, caking or crystallisation?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "chemical substance or material", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a calcium chloride, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise calcium chloride, assess the condition and suitability of a particular material, and select actions supported by its composition, form and intended use.", "characteristics": { "substance": "material", "origin": "natural", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured", "consumed or used up" ], "distinguishingFeatures": [ "Described in 60 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 chloride, 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 60 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 chloride from another, and a calcium chloride 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 chloride, 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 chloride, 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 chloride 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 chloride, 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 chloride, 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 chloride 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 chloride 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 chloride, 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 chloride, 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 chloride 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 chloride from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a calcium chloride, 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 chloride, 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 chloride 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 chloride 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 chloride, 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 chloride, 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 chloride 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 chloride is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a calcium chloride, 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 chloride, 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 chloride 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 chloride is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a calcium chloride, 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 chloride, 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 chloride 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 chloride 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 chloride is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a calcium chloride, 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 chloride, 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 chloride 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 chloride 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 chloride, 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 chloride, 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 chloride 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 chloride 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 chloride between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a calcium chloride, 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 chloride, 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 chloride 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 chloride, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a calcium chloride 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 chloride, 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 chloride, 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 chloride 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 chloride 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 chloride is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a calcium chloride performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a calcium chloride, 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 chloride, 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 chloride 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 chloride.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a calcium chloride at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a calcium chloride, 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 chloride, 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 chloride 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 chloride there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a calcium chloride, 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 chloride, 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 chloride 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 chloride 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 chloride 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 chloride 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 chloride 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 chloride, 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 chloride 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 chloride 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 chloride 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 chloride, 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 chloride 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 chloride and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a calcium chloride, 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 chloride, 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 chloride 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 chloride is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a calcium chloride, 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 chloride, 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 chloride 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 } } } }