{ "model": { "rank": 4853, "code": "thing-q146505", "model_id": "vr.tr.solvent", "name": "solvent", "purpose": "Enable an agent to identify a material acting as a solvent, assess its condition and suitability for a specified dissolution task, and determine appropriate use, handling and recovery actions.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q146505/", "tier": 2, "score": 72, "payload": { "layer": "wikidata", "aliases": [ "amphiprotic solvent", "aprotic solvent", "elution buffer", "deuterated solvent", "extractant", "lithotine", "organic solvent", "norvanol", "paint stripper", "non-polar solvent", "polar solvent", "paint thinner", "quantum solvent", "Theta solvent", "adhesive remover", "polar protic solvent", "nail polish thinner" ], "aliasCount": 17, "merged": 17, "knownIn": 72, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q146505", "url": "https://www.wikidata.org/wiki/Q146505", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T21:08:21Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 27.4, "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: 01a087fe-fe5d-7d40-9422-cdcf2baa0f1c\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: solvent\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 1001 registe", "usd": 0, "recall": true }, "codex": { "seconds": 71.5, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087fe-fe58-7320-8d0d-9aeb90fd9426\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: solvent\nRegistry id: vr.tr.solvent\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext " } } }, "metaModel": { "id": "THING-Q146505", "registryId": "vr.tr.solvent", "name": "solvent", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q146505/", "model": { "registry_id": "vr.tr.solvent", "name": "solvent", "purpose": "Enable an agent to identify a material acting as a solvent, assess its condition and suitability for a specified dissolution task, and determine appropriate use, handling and recovery actions.", "definition": "A solvent is a component of a solution that is treated as the dissolving medium for one or more solutes, commonly determining the solution's physical state and often present in the greatest amount.", "scope_statement": "This model owns solvent as a contextual role of a substance or mixture in a specified system, including composition, dissolving performance, operating conditions, grade, contamination and constraints on use; it does not assign one chemical identity or hazard profile to all solvents.", "in_scope": [ "Substance or mixture identity, composition, grade and evidence for its solvent role", "Relationships to specified solutes, cosolvents and contacting materials", "Dissolution capacity, selectivity and phase behaviour under stated conditions", "Physical properties governing application, separation and recovery", "Purity, contamination and fitness for intended use", "Evidence needed to assess hazards, handling restrictions and reuse eligibility" ], "out_of_scope": [ "Complete models of individual chemicals serving as solvents", "Complete formulations and performance claims of products containing solvents", "Design and operation of extraction, reaction or cleaning equipment", "Manufacturing processes used to produce solvent chemicals", "Full models of solutes, substrates and dissolved products", "Facility-wide occupational safety and waste-management programmes" ], "distinguishing_features": [ "Identify the substance or mixture that provides the dissolving medium for a specified solute; the solvent designation depends on the system rather than the chemical name alone.", "Distinguish dissolution from mere suspension or dispersion by establishing the resulting phase behaviour and the state of the incorporated material.", "Distinguish solvent action from dilution: reducing concentration does not by itself establish dissolving capability for the target material.", "Distinguish solvent action from consumption as a reagent; record both roles when a medium also participates chemically.", "Distinguish a solvent component or blend from a formulated cleaner, coating or other product whose performance depends on additional ingredients." ], "characteristics": [ { "name": "Chemical identity and blend composition", "kind": "category", "unit_or_values": "Component names and applicable CAS numbers, PubChem CIDs or EC numbers; component fractions with mass or volume basis", "why_it_matters": "Connects the actual material to evidence without treating solvent as a single chemical or assigning a blend the identity of one constituent." }, { "name": "Solvent-role context", "kind": "relation", "unit_or_values": "Target solute or material, application, other medium components and basis for assigning the solvent role", "why_it_matters": "Establishes what the material must dissolve and distinguishes solvent, solute, cosolvent and reagent roles." }, { "name": "Grade and purity specification", "kind": "category", "unit_or_values": "Named grade, specification revision, assay basis and application-specific impurity limits", "why_it_matters": "Determines whether a chemically identified material meets the requirements of its intended use." }, { "name": "Operating phase and conditions", "kind": "state", "unit_or_values": "Phase or phase regime; temperature in °C or K; pressure in kPa or MPa", "why_it_matters": "Bounds the conditions under which dissolution and property measurements are applicable." }, { "name": "Solubility of a specified solute", "kind": "measurement", "unit_or_values": "mol/kg solvent, g/L solution or another explicit concentration basis, with temperature, pressure and composition", "why_it_matters": "Supports capacity estimates and identifies saturation or precipitation constraints." }, { "name": "Dissolution rate under a stated method", "kind": "measurement", "unit_or_values": "Time to a defined endpoint or amount dissolved per unit time, with mixing and solute-form conditions", "why_it_matters": "Separates eventual dissolving capacity from practical processing time." }, { "name": "Polarity and solvation descriptors", "kind": "measurement", "unit_or_values": "Named polarity scale, relative permittivity or solubility parameters with method, units and conditions", "why_it_matters": "Supports solvent screening while preserving the limits of descriptor-based predictions." }, { "name": "Miscibility with another liquid", "kind": "relation", "unit_or_values": "Counterpart liquid, composition range, temperature and observed single-phase or multiphase behaviour", "why_it_matters": "Determines whether blending, washing or extraction will produce the required phases." }, { "name": "Volatility and phase-transition properties", "kind": "measurement", "unit_or_values": "Vapour pressure in kPa at stated temperature; boiling point or range at stated pressure; melting or freezing behaviour in °C", "why_it_matters": "Informs evaporation, storage temperature and separation choices." }, { "name": "Water and other contamination", "kind": "measurement", "unit_or_values": "Water, nonvolatile residue and named impurities in mg/kg, mass fraction or method-specific units", "why_it_matters": "Reveals changes that can invalidate grade or alter dissolution and downstream performance." }, { "name": "Material and chemical compatibility", "kind": "relation", "unit_or_values": "Contacting substance or material, exposure conditions, observed effect and acceptance criterion", "why_it_matters": "Supports selection of substrates, seals and containers and identifies unwanted reaction or damage." }, { "name": "Hazard and restriction evidence", "kind": "category", "unit_or_values": "Applicable classification, safety-data-sheet revision, jurisdiction, exposure-limit basis and use restrictions", "why_it_matters": "Grounds handling decisions in evidence for the actual composition and use." }, { "name": "Recovery and reuse status", "kind": "state", "unit_or_values": "Virgin, in use, spent, recovered, awaiting qualification or qualified for a specified reuse", "why_it_matters": "Prevents recovered material from being assumed equivalent to its original grade." } ], "affordances": [ "Screen solvent candidates against a specified solute, operating window and contacting materials.", "Compare measured dissolution capacity and rate with application requirements.", "Determine whether a batch meets its grade and contamination limits.", "Assess a proposed solvent blend or substitution and identify validation still required.", "Select handling and storage actions from current evidence for the actual composition.", "Evaluate recovery options and qualify recovered solvent for a defined reuse." ] }, "sources": [], "structure": { "bundles": [ { "id": "solvent-role-and-identity", "name": "Solvent role and identity", "description": "Establishes which material is the solvent, what it dissolves and how its composition is identified.", "rationale": "Solvent describes a role shared by many substances and mixtures, so identity alone cannot establish suitability.", "layers": [ { "id": "dissolving-role", "name": "Dissolving role", "description": "Locates solvent behaviour within a specified material system.", "findings": [ { "id": "solvent-role-assignment", "name": "Solvent-role assignment", "description": "Records the intended solute and evidence distinguishing dissolution from other material interactions.", "questions": [ { "text": "What substance or material is intended to dissolve, and what evidence identifies this medium as its solvent?", "kind": "definition", "id": "solvent-role-assignment-q01" }, { "text": "Does the observed interaction involve dissolution, dispersion, swelling, chemical reaction or a combination of these?", "kind": "boundary", "id": "solvent-role-assignment-q02" }, { "text": "In a multicomponent medium, how are solvent, cosolvent and solute roles assigned?", "kind": "boundary", "id": "solvent-role-assignment-q03" } ] } ] }, { "id": "composition-and-grade", "name": "Composition and grade", "description": "Identifies the supplied or prepared material at the level needed for its application.", "findings": [ { "id": "identified-solvent-material", "name": "Identified solvent material", "description": "Connects component identities, blend proportions and grade specifications to the material being assessed.", "questions": [ { "text": "Which component identities, chemical identifiers and blend fractions are supported by supplier documentation or analysis?", "kind": "provenance", "id": "identified-solvent-material-q01" }, { "text": "Which grade specification and impurity limits apply to the intended use, and what evidence shows that this batch meets them?", "kind": "measurement", "id": "identified-solvent-material-q02" } ] } ] } ] }, { "id": "dissolution-and-selectivity", "name": "Dissolution and selectivity", "description": "Captures how much target material dissolves, how quickly it dissolves and what else accompanies it.", "rationale": "A solvent must be assessed against particular solutes and competing materials rather than labelled universally effective.", "layers": [ { "id": "capacity-and-rate", "name": "Capacity and rate", "description": "Separates equilibrium dissolving capacity from time-dependent performance.", "findings": [ { "id": "measured-dissolution-performance", "name": "Measured dissolution performance", "description": "Bounds dissolution results by concentration basis, conditions and experimental method.", "questions": [ { "text": "What is the target solute's measured solubility, on what concentration basis, and at which temperature, pressure and solvent composition?", "kind": "measurement", "id": "measured-dissolution-performance-q01" }, { "text": "How long does dissolution take to reach the required endpoint under specified mixing, particle-size and loading conditions?", "kind": "measurement", "id": "measured-dissolution-performance-q02" } ] } ] }, { "id": "selectivity-and-liquid-pairing", "name": "Selectivity and liquid pairing", "description": "Assesses competing dissolution and interactions with other liquid phases.", "findings": [ { "id": "selective-solvation-and-partitioning", "name": "Selective solvation and partitioning", "description": "Records whether the solvent discriminates between desired and undesired materials and supports the intended phase arrangement.", "questions": [ { "text": "Which unwanted components also dissolve, and how is selectivity for the target quantified under the intended conditions?", "kind": "measurement", "id": "selective-solvation-and-partitioning-q01" }, { "text": "With each relevant liquid, what composition and temperature ranges produce one phase or multiple phases?", "kind": "measurement", "id": "selective-solvation-and-partitioning-q02" }, { "text": "If extraction is intended, what measured partitioning evidence supports transfer of the target into the chosen phase?", "kind": "action", "id": "selective-solvation-and-partitioning-q03" } ] } ] } ] }, { "id": "operating-window-and-compatibility", "name": "Operating window and compatibility", "description": "Defines the physical conditions and material contacts under which solvent performance remains acceptable.", "rationale": "Temperature, pressure, evaporation and unwanted interactions can make an otherwise suitable solvent unusable.", "layers": [ { "id": "phase-and-transport-properties", "name": "Phase and transport properties", "description": "Connects physical-property evidence to practical application conditions.", "findings": [ { "id": "usable-physical-window", "name": "Usable physical window", "description": "Records phase stability and properties relevant to flow, evaporation and temperature control.", "questions": [ { "text": "Over what temperature, pressure and composition range does the solvent maintain the phase behaviour required by the application?", "kind": "measurement", "id": "usable-physical-window-q01" }, { "text": "Which measured vapour-pressure, boiling-range, freezing, viscosity and density data are needed to evaluate delivery and removal?", "kind": "measurement", "id": "usable-physical-window-q02" } ] } ] }, { "id": "contact-and-reaction-compatibility", "name": "Contact and reaction compatibility", "description": "Examines effects on substrates, equipment materials and substances present during use.", "findings": [ { "id": "acceptable-contact-effects", "name": "Acceptable contact effects", "description": "Distinguishes desired solvent action from unacceptable extraction, swelling, corrosion or chemical participation.", "questions": [ { "text": "What compatibility evidence exists for each relevant substrate, seal and container material at the intended contact time and temperature?", "kind": "provenance", "id": "acceptable-contact-effects-q01" }, { "text": "Does the solvent react with system components or alter the target material, and which effects exceed the application's acceptance criteria?", "kind": "boundary", "id": "acceptable-contact-effects-q02" } ] } ] } ] }, { "id": "purity-and-service-condition", "name": "Purity and service condition", "description": "Tracks solvent quality from receipt through storage and use.", "rationale": "Water uptake, carryover, dissolved loads and degradation can change performance even when the nominal solvent name remains unchanged.", "layers": [ { "id": "application-specific-quality", "name": "Application-specific quality", "description": "Determines whether measured impurities matter for the intended task.", "findings": [ { "id": "critical-impurity-control", "name": "Critical impurity control", "description": "Relates analytical results to explicit limits for water, residues and other relevant contaminants.", "questions": [ { "text": "Which impurities, stabilisers or additives affect this use, and what limits and analytical methods apply?", "kind": "definition", "id": "critical-impurity-control-q01" }, { "text": "What do current measurements of water, nonvolatile residue and application-critical contaminants show about batch acceptance?", "kind": "measurement", "id": "critical-impurity-control-q02" } ] } ] }, { "id": "condition-change-during-service", "name": "Condition change during service", "description": "Identifies changes caused by storage, exposure and accumulated use.", "findings": [ { "id": "solvent-condition-triggers", "name": "Solvent condition triggers", "description": "Defines evidence-based triggers for retesting, treatment or withdrawal.", "questions": [ { "text": "Which composition changes, degradation pathways or contaminant loads are credible for this solvent under its documented storage and use history?", "kind": "provenance", "id": "solvent-condition-triggers-q01" }, { "text": "What measured thresholds require retesting, drying, purification, replacement or withdrawal from the intended use?", "kind": "action", "id": "solvent-condition-triggers-q02" } ] } ] } ] }, { "id": "handling-and-solvent-recovery", "name": "Handling and solvent recovery", "description": "Connects composition-specific hazards and use constraints to handling, separation and reuse decisions.", "rationale": "Solvents cannot share a single safety profile, and spent or recovered solvent requires assessment of its changed composition.", "layers": [ { "id": "hazards-and-use-constraints", "name": "Hazards and use constraints", "description": "Establishes applicable evidence for exposure, storage and permitted applications.", "findings": [ { "id": "supported-handling-decisions", "name": "Supported handling decisions", "description": "Links handling decisions to current information for the actual substance or mixture and jurisdiction.", "questions": [ { "text": "Which current safety data sheet and jurisdiction-specific classifications or restrictions apply to this exact composition and use?", "kind": "provenance", "id": "supported-handling-decisions-q01" }, { "text": "Which exposure routes and physical hazards govern ventilation, containment, protective equipment and storage for the proposed operation?", "kind": "action", "id": "supported-handling-decisions-q02" }, { "text": "Which exposure limits or physical-hazard measurements apply, with what units, averaging periods and test conditions?", "kind": "measurement", "id": "supported-handling-decisions-q03" } ] } ] }, { "id": "separation-and-reuse", "name": "Separation and reuse", "description": "Assesses removal from the dissolved material and qualification for subsequent use.", "findings": [ { "id": "qualified-solvent-recovery", "name": "Qualified solvent recovery", "description": "Records recovery feasibility, residual-solvent requirements and acceptance criteria for recovered material.", "questions": [ { "text": "Which separation method is supported by the mixture's volatility, phase behaviour and stability, and what recovery yield and energy demand are evidenced?", "kind": "action", "id": "qualified-solvent-recovery-q01" }, { "text": "What residual-solvent limit applies to the treated material, and how will compliance be measured?", "kind": "measurement", "id": "qualified-solvent-recovery-q02" }, { "text": "Which tests qualify the recovered solvent for a specified reuse, and what route applies if the spent material fails those criteria?", "kind": "action", "id": "qualified-solvent-recovery-q03" } ] } ] } ] }, { "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 describes the chemical role, not a single substance or commercial formulation; no universal CAS number, hazard classification or physical-constant range applies.", "The listed kinds overlap, and solvents are not restricted to liquids; solvent-solute assignments can be conventional in some mixtures.", "Specific grades, exposure limits, regulatory obligations and numerical properties require checking for the actual substance or blend and its conditions of use." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of solvent 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": [ "Polar protic solvents", "Polar aprotic solvents", "Nonpolar solvents", "Halogenated solvents", "Mixed-solvent systems", "Supercritical-fluid solvents" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of solvent 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": "Up to seven digits, a hyphen, two digits, a hyphen, one check digit", "note": "Identifies a registered substance, not the generic role of solvent; a solvent blend generally requires identification of its constituents." }, { "scheme": "PubChem CID", "value_or_pattern": "Positive integer", "note": "Identifies a compound record; there is no single compound identifier covering all solvents." }, { "scheme": "EC number", "value_or_pattern": "NNN-NNN-N", "note": "Identifies substances in European chemical inventories; applicability depends on the particular substance." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of solvent this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "United Nations Globally Harmonized System of Classification and Labelling of Chemicals (GHS): framework for substance and mixture hazard classification and communication.", "European Union REACH Regulation: registration, evaluation, authorisation and restriction requirements affecting solvent substances.", "European Union CLP Regulation: classification, labelling and packaging requirements for hazardous substances and mixtures.", "United States OSHA Hazard Communication Standard: workplace chemical labels, safety data sheets and hazard communication.", "ICH Q3C guideline on residual solvents: pharmaceutical guidance issued by the International Council for Harmonisation." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of solvent 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": [ "Dissolving reactants and controlling the medium for chemical reactions.", "Extracting substances from mixtures through selective solubility and partitioning.", "Carrying binders and other ingredients in coatings, inks and adhesives.", "Cleaning and degreasing surfaces.", "Preparing samples and serving as mobile phases in analytical separations." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of solvent 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": "Boiling point", "typical_range": "Substance-dependent; pressure must be specified.", "unit": "°C" }, { "quantity": "Vapour pressure", "typical_range": "Substance- and temperature-dependent.", "unit": "kPa" }, { "quantity": "Dynamic viscosity", "typical_range": "Composition- and temperature-dependent.", "unit": "mPa·s" }, { "quantity": "Water content", "typical_range": "Grade- and application-dependent.", "unit": "mg/kg" }, { "quantity": "Flash point", "typical_range": "Applicable to ignitable liquids; depends on composition and test method.", "unit": "°C" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of solvent 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": [ "Flammable solvents can produce ignitable vapour-air mixtures.", "Toxicity varies by substance; exposure can occur through inhalation, skin contact or ingestion.", "Some solvents, including certain ethers, can form hazardous peroxides during storage.", "Incompatible solvents can damage seals, dissolve plastics or react with process materials.", "Water, impurities or residual solvent can compromise reactions, analytical results and product quality." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of solvent 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": [ "Occupational exposure limits and their averaging periods differ between jurisdictions and issuing bodies.", "Restrictions on particular solvents and definitions or exemptions for volatile organic compounds vary by jurisdiction and application.", "Chemical classification, labelling and safety data sheet requirements depend on local implementation of hazard communication rules." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of solvent 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": "Solute", "difference": "The solute is treated as the dissolved component; the solvent is treated as the dissolving medium." }, { "name": "Solution", "difference": "A solution is the resulting homogeneous phase containing components, whereas a solvent is a component assigned a role within it." }, { "name": "Diluent", "difference": "A diluent reduces concentration or changes handling properties; it need not itself dissolve the material of interest." }, { "name": "Reagent", "difference": "A reagent is used for its chemical participation; a solvent is used as the medium, although one substance can perform both roles." }, { "name": "Dispersing medium", "difference": "A dispersing medium can carry a separate particulate phase, whereas dissolution produces a solution." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of solvent this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend solvent to include solid and supercritical dissolving media, or only liquid solvents?", "What convention should assign solvent and cosolvent roles in mixtures where component proportions or customary naming do not establish a clear distinction?", "Which application-specific extensions are needed for analytical, reaction, extraction and cleaning uses without turning this entry into separate product models?", "Which solubility and compatibility sources provide sufficiently documented conditions and uncertainty for agent decisions?", "Which jurisdictions and intended uses must be covered before regulatory constraints and recovered-solvent acceptance can be resolved?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 19, "questions": 33 } }, "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 solvent, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to identify a material acting as a solvent, assess its condition and suitability for a specified dissolution task, and determine appropriate use, handling and recovery actions.", "characteristics": { "substance": "material", "origin": "natural", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured", "consumed or used up" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: amphiprotic solvent, aprotic solvent, elution buffer, deuterated solvent, extractant, lithotine, organic solvent, norvanol, paint stripper, non-polar solvent, polar solvent, paint thinner.", "17 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "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 solvent, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state", "use it up, and then need more of it" ], "howItIsRecognised": [ "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "amphiprotic solvent", "aprotic solvent", "elution buffer", "deuterated solvent", "extractant", "lithotine", "organic solvent", "norvanol", "paint stripper", "non-polar solvent", "polar solvent", "paint thinner" ] } ], "standing": "Described in 72 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 17 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one solvent from another, and a solvent 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 solvent, 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 solvent, 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 solvent 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 solvent, 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 solvent, 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 solvent 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 solvent 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 solvent, 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 solvent, 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 solvent 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 solvent from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a solvent, 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 solvent, 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 solvent 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 solvent 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 solvent, 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 solvent, 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 solvent 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 solvent is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a solvent, 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 solvent, 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 solvent 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 solvent is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a solvent, 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 solvent, 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 solvent 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 solvent 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 solvent is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a solvent, 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 solvent, 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 solvent 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 solvent 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 solvent, 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 solvent, 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 solvent 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 solvent 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 solvent between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a solvent, 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 solvent, 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 solvent 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 solvent, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a solvent 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 solvent, 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 solvent, 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 solvent 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 solvent 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 solvent is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a solvent performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a solvent, 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 solvent, 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 solvent 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 solvent.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a solvent at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a solvent, 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 solvent, 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 solvent 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 solvent there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a solvent, 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 solvent, 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 solvent 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 solvent 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 solvent 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 solvent 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 solvent 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 solvent, 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 solvent 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 solvent 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 solvent 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 solvent, 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 solvent 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 solvent and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a solvent, 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 solvent, 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 solvent 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 solvent is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a solvent, 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 solvent, 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 solvent 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 } } } }