{ "model": { "rank": 5900, "code": "thing-q146243", "model_id": "vr.tr.polystyrene", "name": "polystyrene", "purpose": "Enable an AI agent to identify polystyrene, assess whether its grade, form and condition suit an intended use, and select justified handling, processing or 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/q146243/", "tier": 2, "score": 64, "payload": { "layer": "wikidata", "aliases": [ "syndiotactic polystyrene" ], "aliasCount": 1, "merged": 1, "knownIn": 64, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q146243", "url": "https://www.wikidata.org/wiki/Q146243", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T09:56:18Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.00510714, "turns": 1, "seconds": 12.5, "error": null }, "codex": { "seconds": 82.1, "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: 01a07b4a-d370-7e42-8f41-9c83cbfd1666\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: polystyrene\nRegistry id: vr.tr.polystyrene\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA" } } }, "metaModel": { "id": "THING-Q146243", "registryId": "vr.tr.polystyrene", "name": "polystyrene", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q146243/", "model": { "registry_id": "vr.tr.polystyrene", "name": "polystyrene", "purpose": "Enable an AI agent to identify polystyrene, assess whether its grade, form and condition suit an intended use, and select justified handling, processing or recovery actions.", "definition": "Polystyrene is a synthetic aromatic polymer of styrene (vinylbenzene) produced by free-radical or living polymerization, typically as an amorphous glassy thermoplastic whose properties are set by tacticity, molecular-weight distribution, and whether the material is unmodified, impact-modified with rubber, or expanded into a cellular foam.", "scope_statement": "This model owns polystyrene as a material, including general-purpose, impact-modified and expanded or extruded foam forms, with explicit boundaries for blends, additives and composite articles.", "in_scope": [ "Evidence that the material is polystyrene and identification of its commercial grade or formulation", "Distinctions among general-purpose polystyrene, high-impact polystyrene and polystyrene foams", "Solid or cellular structure, density and geometry relevant to material performance", "Thermal, mechanical and chemical condition under specified exposure and test conditions", "Additives, contamination and material history that constrain use, processing or recovery" ], "out_of_scope": [ "Styrene monomer production, storage and chemical processing", "Other styrenic polymers such as ABS and SAN as independently registered materials", "Complete packaging, insulation systems or consumer products and their application-level certification", "Manufacturing equipment, production facilities and process control systems", "Waste collection services, recycling facilities and jurisdiction-wide waste rules" ], "distinguishing_features": [ "Use a material declaration supported, where needed, by polymer identification such as FTIR to distinguish polystyrene from visually similar polyethylene, polypropylene, PET or PVC; record the method and reference match.", "Check formulation evidence and suitable analytical results to distinguish polystyrene from ABS, SAN and other styrenic polymers; a styrene-related signal alone does not settle the identity.", "Distinguish general-purpose from high-impact polystyrene using grade or rubber-modification evidence supported by mechanical or morphological observations; colour and opacity alone are insufficient.", "Distinguish solid polystyrene from foam by cellular structure and apparent density, then investigate bead-fused versus extrusion-derived morphology when assigning EPS or XPS.", "Identify blends, coatings and laminates before classifying an entire sample as polystyrene; establish whether the identification applies to the bulk material or only one constituent." ], "characteristics": [ { "name": "Polymer identity evidence", "kind": "category", "unit_or_values": "Supplier-declared, analytically supported, conflicting or unresolved; method and reference recorded", "why_it_matters": "Prevents decisions based solely on appearance or an unverified material marking." }, { "name": "Material family and form", "kind": "category", "unit_or_values": "General-purpose polystyrene, high-impact polystyrene, expanded foam, extruded foam, other specified polystyrene or unresolved; formulation and physical form recorded separately", "why_it_matters": "Separates differences in polymer formulation from differences in cellular structure." }, { "name": "Grade and formulation", "kind": "relation", "unit_or_values": "Link to supplier grade, formulation declaration and applicable technical data", "why_it_matters": "Connects the sample to evidence for its expected behaviour and restrictions." }, { "name": "Polystyrene content and constituent roles", "kind": "measurement", "unit_or_values": "Mass percent where established; identify matrix, impact modifier, filler, coating and other constituents", "why_it_matters": "Determines whether the model describes the whole material or only its polystyrene constituent." }, { "name": "Apparent density", "kind": "measurement", "unit_or_values": "kg/m³ with conditioning, method and distinction between bulk foam density and polymer density", "why_it_matters": "Supports interpretation of foam performance, mass estimates and recovery logistics." }, { "name": "Cellular structure", "kind": "category", "unit_or_values": "Noncellular or cellular; bead fusion, cell connectivity, cell-size distribution and surface skin where established", "why_it_matters": "Helps explain crushing, liquid uptake and differences between foam forms." }, { "name": "Thermal response", "kind": "measurement", "unit_or_values": "°C for named transition, softening or deformation tests, with load, duration and method", "why_it_matters": "Prevents treating a laboratory transition temperature as a universal service-temperature limit." }, { "name": "Mechanical response", "kind": "measurement", "unit_or_values": "MPa for specified tensile, flexural or compressive results; impact results in the units of the named method", "why_it_matters": "Supports decisions about brittle fracture, impact tolerance and foam compression." }, { "name": "Exposure-related condition", "kind": "state", "unit_or_values": "Observed cracking, crazing, yellowing, distortion, swelling, surface loss or foam collapse, with extent and exposure history", "why_it_matters": "Distinguishes current material condition from nominal grade properties." }, { "name": "Chemical-contact compatibility", "kind": "relation", "unit_or_values": "Named contacting substance and concentration, temperature, duration, stress and observed or documented outcome", "why_it_matters": "Supports contact and cleaning decisions without assuming that all solvents or cleaners behave alike." }, { "name": "Additive and contamination status", "kind": "state", "unit_or_values": "Identified, suspected, tested absent within stated limits or unknown; substances and evidence specified", "why_it_matters": "Constrains reuse and recovery when formulation or previous contents are uncertain." }, { "name": "Processing behaviour", "kind": "measurement", "unit_or_values": "Melt mass-flow rate in g/10 min under specified conditions, or another named grade-relevant processing test", "why_it_matters": "Supports processing compatibility decisions when data apply to the actual formulation and material history." } ], "affordances": [ "Classify a sample as a supported polystyrene grade and form, or route an uncertain identification for testing.", "Compare documented material behaviour with a proposed temperature, load, impact or chemical exposure.", "Select grade-supported cutting, forming, bonding or cleaning methods and identify missing compatibility evidence.", "Inspect and segregate cracked, contaminated, distorted or collapsed material before reuse.", "Prepare identified material for a recovery route whose acceptance criteria match its form, additives and contamination." ] }, "sources": [ { "id": "pending", "title": "pending", "url": "", "what_it_supports": "pending" } ], "structure": { "bundles": [ { "id": "polystyrene-identity", "name": "Polystyrene identity", "description": "Establish whether polystyrene is the relevant material and resolve its formulation family.", "rationale": "Similar appearance and shared styrenic chemistry can lead to materially different substances being treated as interchangeable.", "layers": [ { "id": "polymer-identification", "name": "Polymer identification", "description": "Evaluate declarations, markings and analytical evidence for polymer identity.", "findings": [ { "id": "supported-polystyrene-assignment", "name": "Supported polystyrene assignment", "description": "Record the evidence supporting a polystyrene identification and any conflicting evidence.", "questions": [ { "text": "What declaration, marking or analytical result identifies this sample as polystyrene, and can it be traced to this batch or article?", "kind": "provenance", "id": "supported-polystyrene-assignment-q01" }, { "text": "What evidence distinguishes it from ABS, SAN or a visually similar nonstyrenic plastic?", "kind": "boundary", "id": "supported-polystyrene-assignment-q02" } ] } ] }, { "id": "formulation-boundaries", "name": "Formulation boundaries", "description": "Resolve grade, modification and the extent to which the material is polystyrene.", "findings": [ { "id": "grade-and-constituent-assignment", "name": "Grade and constituent assignment", "description": "Identify the formulation without conflating rubber modification, cellular form and composite construction.", "questions": [ { "text": "Is the polymer formulation general-purpose, high-impact or another specified polystyrene grade, and what establishes that assignment?", "kind": "definition", "id": "grade-and-constituent-assignment-q01" }, { "text": "Does the identification describe the whole material, a blend matrix, a coating or a separable component?", "kind": "boundary", "id": "grade-and-constituent-assignment-q02" } ] } ] } ] }, { "id": "solid-and-foam-structure", "name": "Solid and foam structure", "description": "Describe the physical structure that governs how this polystyrene specimen behaves.", "rationale": "Dense polystyrene, bead foam and extruded foam cannot be assessed using one undifferentiated set of structural assumptions.", "layers": [ { "id": "cellular-form", "name": "Cellular form", "description": "Establish whether the material is solid or foamed and identify relevant foam morphology.", "findings": [ { "id": "density-and-morphology", "name": "Density and morphology", "description": "Record density and observed structure with sufficient context to interpret them.", "questions": [ { "text": "What is the measured apparent density, and does the measurement include cells, voids or cavities belonging to the article geometry?", "kind": "measurement", "id": "density-and-morphology-q01" }, { "text": "What production evidence or observed bead fusion, cell structure and surface skin supports an EPS or XPS assignment?", "kind": "provenance", "id": "density-and-morphology-q02" } ] } ] }, { "id": "structural-integrity", "name": "Structural integrity", "description": "Assess damage in solid sections, cells and bead interfaces.", "findings": [ { "id": "fracture-and-collapse-condition", "name": "Fracture and collapse condition", "description": "Locate structural damage and determine whether it changes the specimen's usefulness.", "questions": [ { "text": "Where are cracks, crazing, crushed cells, separated beads or permanent compression present, and how extensive are they?", "kind": "measurement", "id": "fracture-and-collapse-condition-q01" }, { "text": "Does the intended use permit that damage, or is comparative testing or rejection needed?", "kind": "action", "id": "fracture-and-collapse-condition-q02" } ] } ] } ] }, { "id": "exposure-and-performance", "name": "Exposure and performance", "description": "Connect grade-specific behaviour and current condition to proposed service exposures.", "rationale": "Polystyrene decisions depend on the combination of formulation, temperature, stress and chemical contact.", "layers": [ { "id": "thermal-and-mechanical-response", "name": "Thermal and mechanical response", "description": "Interpret temperature and load evidence for the actual material form.", "findings": [ { "id": "service-condition-fit", "name": "Service condition fit", "description": "Assess whether documented or measured response addresses the intended exposure.", "questions": [ { "text": "Which tests support the expected temperature and load range, and do their specimen form, duration and loading match the proposed use?", "kind": "measurement", "id": "service-condition-fit-q01" }, { "text": "What evidence supports the required impact tolerance for solid material or compression resistance for foam?", "kind": "measurement", "id": "service-condition-fit-q02" }, { "text": "What further evidence is required before accepting the material for the proposed thermal and mechanical conditions?", "kind": "action", "id": "service-condition-fit-q03" } ] } ] }, { "id": "chemical-and-weathering-response", "name": "Chemical and weathering response", "description": "Evaluate contact substances and environmental history against observed changes.", "findings": [ { "id": "contact-and-aging-effects", "name": "Contact and aging effects", "description": "Record substance-specific compatibility and evidence of exposure-related deterioration.", "questions": [ { "text": "Which chemicals, cleaners or adhesives will contact the material, at what concentration, temperature, duration and applied stress?", "kind": "boundary", "id": "contact-and-aging-effects-q01" }, { "text": "What inspection or test evidence links prior heat, light or chemical exposure to yellowing, cracking, swelling, distortion or foam collapse?", "kind": "measurement", "id": "contact-and-aging-effects-q02" }, { "text": "Which proposed contacts require a compatibility trial or a change of method?", "kind": "action", "id": "contact-and-aging-effects-q03" } ] } ] } ] }, { "id": "processing-reuse-and-recovery", "name": "Processing, reuse and recovery", "description": "Determine feasible next actions from grade evidence, material history and receiving-process requirements.", "rationale": "Identification as polystyrene alone does not establish a suitable processing method, reuse application or recovery destination.", "layers": [ { "id": "grade-supported-transformation", "name": "Grade-supported transformation", "description": "Assess proposed cutting, forming, bonding and reprocessing operations.", "findings": [ { "id": "transformation-compatibility", "name": "Transformation compatibility", "description": "Connect each proposed operation to evidence applicable to the formulation and form.", "questions": [ { "text": "Which supplier instructions or trials support the proposed operation for this grade and its solid or cellular form?", "kind": "provenance", "id": "transformation-compatibility-q01" }, { "text": "What processing limits or trials are needed to control fracture, deformation, foam collapse or material degradation?", "kind": "action", "id": "transformation-compatibility-q02" } ] } ] }, { "id": "composition-and-destination", "name": "Composition and destination", "description": "Resolve formulation and contamination uncertainties before selecting reuse or recovery routes.", "findings": [ { "id": "route-eligibility", "name": "Route eligibility", "description": "Match the actual material to the acceptance requirements of a proposed destination.", "questions": [ { "text": "What is known about flame retardants, fillers, residual blowing agents, coatings, prior contents and previous recycling?", "kind": "provenance", "id": "route-eligibility-q01" }, { "text": "Does the receiving process explicitly accept this polystyrene form, additive profile and contamination level?", "kind": "boundary", "id": "route-eligibility-q02" }, { "text": "What sorting, separation, cleaning, testing or densification is required before that route can be used?", "kind": "action", "id": "route-eligibility-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-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "general-purpose polystyrene (GPPS / crystal PS)", "high-impact polystyrene (HIPS)", "expanded polystyrene (EPS)", "extruded polystyrene (XPS)", "syndiotactic polystyrene (sPS)", "oriented polystyrene (OPS)", "foamed polystyrene (EPS/XPS boards and beads)", "recycled polystyrene (rPS)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of polystyrene this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend this entry to include specialty tacticities and crosslinked polystyrene, and which would require additional recognition and processing layers?", "Which analytical methods and reference materials adequately distinguish relevant polystyrene formulations from other styrenic polymers and mixed waste samples?", "Which grade-specific standards and test methods should support thermal, mechanical, foam and aging assessments for the intended applications?", "Which additive and legacy-formulation uncertainties require testing before reuse or recovery, particularly for material with unknown provenance?", "Which application-specific evidence must be linked from neighbouring product models for food contact, building use or other uses with additional requirements?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 9, "questions": 20 } }, "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 polystyrene, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to identify polystyrene, assess whether its grade, form and condition suit an intended use, and select justified handling, processing or 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: syndiotactic polystyrene.", "1 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 64 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 polystyrene, 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": [ "syndiotactic polystyrene" ] } ], "standing": "Described in 64 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 1 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 polystyrene from another, and a polystyrene 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 polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene 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 polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene 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 polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene 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 polystyrene is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene 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 polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene 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 polystyrene between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a polystyrene 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 polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene 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 polystyrene is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a polystyrene performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a polystyrene at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene 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 polystyrene 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 polystyrene 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 polystyrene 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 polystyrene, 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 polystyrene 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 polystyrene 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 polystyrene 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 polystyrene, 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 polystyrene 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 polystyrene and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a polystyrene, 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 polystyrene, 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 polystyrene 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 polystyrene is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a polystyrene, 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 polystyrene, 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 polystyrene 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 } } } }