{ "model": { "rank": 5456, "code": "thing-q181395", "model_id": "vr.tr.magnetite", "name": "magnetite", "purpose": "Enable an agent to identify magnetite, assess the condition and suitability of a particular specimen or batch, and determine which handling, processing or use decisions its evidence supports.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q181395/", "tier": 2, "score": 67, "payload": { "layer": "wikidata", "aliases": [ "mushketovite", "titanomagnetite", "lodestone" ], "aliasCount": 3, "merged": 3, "knownIn": 67, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q181395", "url": "https://www.wikidata.org/wiki/Q181395", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T22:24:48Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 24.9, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a08845-163f-7432-af72-6834a377aade\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: magnetite\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 regis", "usd": 0, "recall": true }, "codex": { "seconds": 64.7, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a08845-163c-7f30-846d-77bc6f18b4da\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: magnetite\nRegistry id: vr.tr.magnetite\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCont" } } }, "metaModel": { "id": "THING-Q181395", "registryId": "vr.tr.magnetite", "name": "magnetite", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q181395/", "model": { "registry_id": "vr.tr.magnetite", "name": "magnetite", "purpose": "Enable an agent to identify magnetite, assess the condition and suitability of a particular specimen or batch, and determine which handling, processing or use decisions its evidence supports.", "definition": "Magnetite is a ferrimagnetic iron oxide mineral with ideal composition Fe₃O₄, containing both Fe(II) and Fe(III) in an inverse-spinel crystal structure.", "scope_statement": "This model owns magnetite as the iron oxide mineral and corresponding material phase with ideal composition Fe3O4, including natural and synthetic occurrences, compositional departures, magnetic state, particle form, alteration and grade-dependent suitability.", "in_scope": [ "Magnetite phase identity, composition, impurities and distinction from related iron oxides", "Crystal structure, phase proportions and departures from ideal stoichiometry", "Magnetic properties tied to temperature, particle size and measurement history", "Natural specimen and synthetic batch properties, including particle form and surface condition", "Oxidation, dissolution, handling constraints and evidence of suitability for a specified use" ], "out_of_scope": [ "Whole ore deposits, host rocks and mining operations containing magnetite", "Other iron oxide phases except as alternatives, impurities or alteration products", "Manufacturing processes and equipment that produce or separate magnetite", "Finished products such as ferrofluids, coatings and medical formulations", "Organisms containing biogenic magnetite and their biological functions", "Regulatory approval or safety assessment of a complete product containing magnetite" ], "distinguishing_features": [ "Confirm a magnetite-compatible crystal phase using diffraction or complementary structural evidence; black colour and attraction to a magnet alone are insufficient.", "Establish evidence consistent with mixed Fe(II)/Fe(III) iron oxide composition; ideal magnetite differs from the all-ferric composition of hematite and maghemite.", "Distinguish magnetite from maghemite using oxidation-state or other complementary evidence when their related structures make a single phase-identification method inconclusive.", "Distinguish magnetite from metallic iron or magnetic sulfides through elemental composition and phase identification.", "Treat lodestone as naturally remanently magnetized magnetite-bearing material; do not require every magnetite specimen to behave as a permanent magnet." ], "characteristics": [ { "name": "Phase identity and supporting evidence", "kind": "category", "unit_or_values": "Confirmed magnetite | probable magnetite | mixed iron oxide | unresolved; record analytical method", "why_it_matters": "Prevents appearance or magnetic attraction from becoming the sole identification criterion." }, { "name": "Magnetite phase fraction", "kind": "measurement", "unit_or_values": "Mass % or volume %, with method, uncertainty and reporting basis", "why_it_matters": "Separates a magnetite phase from a rock, powder or product that merely contains it." }, { "name": "Iron oxidation-state balance", "kind": "measurement", "unit_or_values": "Fe(II)/total Fe molar fraction; ideal Fe3O4 corresponds to 1/3", "why_it_matters": "Helps assess identity, nonstoichiometry and oxidation, provided other iron-bearing phases are accounted for." }, { "name": "Substitution and impurity profile", "kind": "measurement", "unit_or_values": "Elemental mass % or mg/kg, distinguishing lattice substitution from separate phases", "why_it_matters": "Explains differences in magnetic behaviour, processing performance and acceptable grade." }, { "name": "Particle and crystallite dimensions", "kind": "measurement", "unit_or_values": "Particle-size distribution in nm or µm; crystallite size reported separately", "why_it_matters": "Particle, crystallite and aggregate sizes can govern different magnetic, surface and handling behaviours." }, { "name": "Specific surface area", "kind": "measurement", "unit_or_values": "m²/g, with measurement and preparation method", "why_it_matters": "Supports comparison of surface reactivity and adsorption performance." }, { "name": "Magnetic response", "kind": "measurement", "unit_or_values": "Magnetization in A·m²/kg, coercivity in A/m and remanence in A·m²/kg, with temperature and field protocol", "why_it_matters": "Determines whether the material meets a magnetic separation or other magnetic-performance requirement." }, { "name": "Magnetic regime", "kind": "state", "unit_or_values": "Domain or relaxation regime established by measurement; temperature and observation timescale required", "why_it_matters": "Avoids assigning bulk magnetic behaviour automatically to fine particles." }, { "name": "Surface and alteration condition", "kind": "state", "unit_or_values": "Characterized surface composition, oxidation products, coating and evidence date", "why_it_matters": "A magnetite core can coexist with a surface that controls reactions and dispersion differently." }, { "name": "Material form and grade", "kind": "category", "unit_or_values": "Natural specimen | ore concentrate | synthetic powder | coated particles | dispersion; supplier or application grade", "why_it_matters": "Connects evidence and constraints to the actual material being handled." }, { "name": "Material identity documentation", "kind": "relation", "unit_or_values": "Links to verified chemical identifiers, batch certificate, safety data sheet and applicable jurisdiction", "why_it_matters": "Keeps substance identity distinct from the classification and documentation of a particular supplied form." } ], "affordances": [ "Select complementary measurements to confirm magnetite and resolve competing iron oxide identifications.", "Compare specimens or batches against explicit purity, particle-size and magnetic-performance requirements.", "Assess whether magnetic separation is supported by measured response and the surrounding material.", "Track oxidation or other alteration and determine when identity or performance needs reassessment.", "Specify handling and storage from the actual particle form, impurities, coating and applicable safety documentation.", "Qualify a batch for a defined use while identifying missing evidence that prevents acceptance." ] }, "sources": [], "structure": { "bundles": [ { "id": "phase-and-composition", "name": "Phase and composition", "description": "Establish whether the material is magnetite and what compositional qualifications apply.", "rationale": "Magnetism alone does not establish magnetite identity, and mixed or substituted materials need explicit boundaries.", "layers": [ { "id": "phase-identification", "name": "Phase identification", "description": "Connect the magnetite assignment to structural and chemical evidence.", "findings": [ { "id": "magnetite-assignment", "name": "Magnetite assignment", "description": "Record the evidence supporting magnetite and the alternatives that remain unresolved.", "questions": [ { "text": "Which measurements support a magnetite phase assignment for this specimen or batch?", "kind": "measurement", "id": "magnetite-assignment-q01" }, { "text": "What evidence distinguishes it from maghemite, hematite, metallic iron or magnetic sulfides?", "kind": "boundary", "id": "magnetite-assignment-q02" } ] } ] }, { "id": "composition-and-mixtures", "name": "Composition and mixtures", "description": "Separate ideal phase composition, lattice substitutions and accompanying phases.", "findings": [ { "id": "composition-basis", "name": "Composition basis", "description": "Require a clear basis for purity and oxidation-state claims.", "questions": [ { "text": "What magnetite fraction and Fe(II)/total Fe fraction were measured, with what uncertainty?", "kind": "measurement", "id": "composition-basis-q01" }, { "text": "Which detected elements occupy the magnetite structure, and which belong to separate phases or surface material?", "kind": "boundary", "id": "composition-basis-q02" } ] } ] } ] }, { "id": "particle-and-surface-form", "name": "Particle and surface form", "description": "Describe the physical scale and exposed interfaces of the actual magnetite material.", "rationale": "Bulk specimens, fine powders and coated nanoparticles cannot share an unqualified set of material properties.", "layers": [ { "id": "size-and-aggregation", "name": "Size and aggregation", "description": "Distinguish crystallites, particles and aggregates.", "findings": [ { "id": "measured-size-population", "name": "Measured size population", "description": "Tie each reported size to the population and method it describes.", "questions": [ { "text": "Does the reported size describe crystallites, primary particles, aggregates or hydrodynamic diameter?", "kind": "definition", "id": "measured-size-population-q01" }, { "text": "What size distribution and morphology were measured, and how was the sample dispersed or prepared?", "kind": "measurement", "id": "measured-size-population-q02" } ] } ] }, { "id": "surface-identity", "name": "Surface identity", "description": "Record coatings and surface composition separately from the underlying phase.", "findings": [ { "id": "accessible-magnetite-surface", "name": "Accessible magnetite surface", "description": "Determine whether the exposed interface represents magnetite, an alteration layer or an added coating.", "questions": [ { "text": "What evidence identifies the surface composition, coating coverage and specific surface area?", "kind": "measurement", "id": "accessible-magnetite-surface-q01" }, { "text": "Which observed properties belong to the magnetite core, and which belong to a coating or dispersion medium?", "kind": "boundary", "id": "accessible-magnetite-surface-q02" } ] } ] } ] }, { "id": "magnetic-behaviour", "name": "Magnetic behaviour", "description": "Represent magnetic response under stated measurement and operating conditions.", "rationale": "Magnetite identification does not by itself establish useful magnetization, remanence or particle-scale behaviour.", "layers": [ { "id": "field-response", "name": "Field response", "description": "Capture comparable magnetic measurements and their normalization.", "findings": [ { "id": "magnetization-evidence", "name": "Magnetization evidence", "description": "Attach magnetic-performance claims to a defined sample and field protocol.", "questions": [ { "text": "What magnetization, coercivity and remanence were measured at the stated temperature and applied-field range?", "kind": "measurement", "id": "magnetization-evidence-q01" }, { "text": "Are mass-normalized values based on the whole sample or its magnetite fraction, and how was that basis established?", "kind": "definition", "id": "magnetization-evidence-q02" } ] } ] }, { "id": "temperature-and-history", "name": "Temperature and history", "description": "Connect magnetic state to thermal conditions, particle scale and prior treatment.", "findings": [ { "id": "conditional-magnetic-state", "name": "Conditional magnetic state", "description": "Record evidence for magnetic regimes and transitions without assuming ideal bulk behaviour.", "questions": [ { "text": "What measurements establish domain behaviour or superparamagnetic relaxation at the relevant temperature and observation timescale?", "kind": "measurement", "id": "conditional-magnetic-state-q01" }, { "text": "What thermal and magnetic history preceded measurement, and were Verwey or Curie transition features investigated?", "kind": "provenance", "id": "conditional-magnetic-state-q02" } ] } ] } ] }, { "id": "alteration-and-stability", "name": "Alteration and stability", "description": "Track changes that affect magnetite identity, surface chemistry and performance.", "rationale": "A historical magnetite identification may cease to describe material altered during storage, heating or chemical exposure.", "layers": [ { "id": "oxidation-and-phase-change", "name": "Oxidation and phase change", "description": "Relate environmental and thermal exposure to observed alteration.", "findings": [ { "id": "alteration-evidence", "name": "Alteration evidence", "description": "Distinguish demonstrated phase changes from changes inferred only from appearance or magnetism.", "questions": [ { "text": "What oxygen exposure, temperature, humidity and storage duration has the material experienced?", "kind": "provenance", "id": "alteration-evidence-q01" }, { "text": "Do repeat measurements show changes in magnetite fraction, iron oxidation state or formation of other iron oxide phases?", "kind": "measurement", "id": "alteration-evidence-q02" } ] } ] }, { "id": "chemical-exposure", "name": "Chemical exposure", "description": "Describe dissolution and surface reactions in a specified surrounding medium.", "findings": [ { "id": "medium-dependent-reactivity", "name": "Medium-dependent reactivity", "description": "Bound stability claims by the solution chemistry and exposure conditions tested.", "questions": [ { "text": "Under what pH, redox conditions, ligands, temperature and exposure duration was dissolution or iron release measured?", "kind": "measurement", "id": "medium-dependent-reactivity-q01" }, { "text": "What observed change requires recharacterization before the material can continue in its intended use?", "kind": "action", "id": "medium-dependent-reactivity-q02" } ] } ] } ] }, { "id": "grade-use-and-handling", "name": "Grade, use and handling", "description": "Connect documented material properties to a defined application and supplied form.", "rationale": "Mineral identity alone cannot establish application suitability or the handling requirements of a particular batch.", "layers": [ { "id": "application-qualification", "name": "Application qualification", "description": "Assess a magnetite batch against explicit use requirements.", "findings": [ { "id": "fitness-for-specified-use", "name": "Fitness for specified use", "description": "Require measurable acceptance criteria for the proposed operation.", "questions": [ { "text": "Which limits on phase purity, contaminants, size distribution, density or magnetic response govern the proposed use?", "kind": "action", "id": "fitness-for-specified-use-q01" }, { "text": "Which batch measurements demonstrate compliance, and which requirements remain untested?", "kind": "measurement", "id": "fitness-for-specified-use-q02" } ] } ] }, { "id": "traceability-and-exposure", "name": "Traceability and exposure", "description": "Associate identity and handling evidence with the actual specimen or supplied batch.", "findings": [ { "id": "form-specific-documentation", "name": "Form-specific documentation", "description": "Separate magnetite substance records from impurity-, particle- and formulation-dependent requirements.", "questions": [ { "text": "Which verified chemical identifiers, origin records and safety documents apply to this exact material form and batch?", "kind": "provenance", "id": "form-specific-documentation-q01" }, { "text": "What handling controls and exposure limits apply in the relevant jurisdiction given its dustiness, particle size, impurities and dispersion medium?", "kind": "action", "id": "form-specific-documentation-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This description is recalled knowledge, not source-verified research.", "Physical values describe approximately pure bulk material; substitutions, oxidation, defects, and nanoscale dimensions can alter them.", "Verify grade-specific identifiers, hazard classification, exposure limits, and applicable regulations for the actual supplied material." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of magnetite 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": [ "Lodestone: naturally magnetized magnetite with appreciable permanent magnetization", "Titaniferous magnetite: titanium-bearing magnetite within the magnetite-ulvöspinel solid-solution series" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of magnetite 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": "1309-38-2", "note": "Identifies iron(II,III) oxide; natural mineral samples may contain substitutions, impurities, or associated minerals." }, { "scheme": "Chemical formula", "value_or_pattern": "Fe₃O₄", "note": "Ideal composition, also expressed as Fe²⁺Fe³⁺₂O₄; a formula does not establish sample purity." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of magnetite 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": [ "Major iron ore used as feedstock for iron and steel production", "Dense-medium separation, including coal preparation", "Black pigment in coatings and other formulated materials", "Magnetic particles for separation and recovery processes", "Recording geological magnetic information in paleomagnetic studies" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of magnetite 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": "Density of relatively pure crystalline magnetite", "typical_range": "Approximately 5.2", "unit": "g/cm³" }, { "quantity": "Mohs hardness", "typical_range": "5.5-6.5", "unit": "Mohs scale" }, { "quantity": "Curie temperature of near-stoichiometric magnetite", "typical_range": "Approximately 580", "unit": "°C" }, { "quantity": "Iron mass fraction in ideal Fe₃O₄", "typical_range": "Approximately 72.4", "unit": "% by mass" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of magnetite 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": [ "Airborne fine dust presents an inhalation exposure concern; assessment depends on particle size and associated contaminants.", "Oxidation to maghemite or hematite changes composition and magnetic properties.", "Titanium substitution, other impurities, and grain size can substantially change magnetic behavior and processing performance.", "Heating above the Curie temperature removes ferrimagnetic order while the material remains above that temperature.", "Agglomeration of fine particles can impair dispersion, separation efficiency, and reproducibility." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of magnetite this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Deposit geology controls associated minerals, substitution chemistry, and the beneficiation needed to produce a usable concentrate.", "Chemical registration and workplace dust requirements depend on jurisdiction and supplied form; mineral identity alone does not establish compliance." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of magnetite 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": "Hematite", "difference": "Hematite is α-Fe₂O₃, with a different crystal structure and generally much weaker magnetic response than magnetite." }, { "name": "Maghemite", "difference": "Maghemite is γ-Fe₂O₃, a ferrimagnetic, vacancy-bearing spinel-related oxide containing ferric iron rather than magnetite's mixed Fe(II)/Fe(III)." }, { "name": "Wüstite", "difference": "Wüstite is a nonstoichiometric, predominantly Fe(II) oxide commonly written Fe₁₋ₓO, with a rock-salt structure." }, { "name": "Lodestone", "difference": "Lodestone is magnetite distinguished by appreciable natural permanent magnetization, rather than a separate mineral species." }, { "name": "Magnetite ore", "difference": "Ore is a geological material containing economically recoverable magnetite alongside other constituents; it is not necessarily pure Fe₃O₄." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of magnetite this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative identifiers and naming conventions best cover natural magnetite, synthetic Fe3O4 and substituted magnetite without conflating mixtures or neighbouring phases?", "What minimum complementary analytical evidence should establish magnetite rather than maghemite in fine, partially oxidized or poorly crystalline material?", "Which reference values and condition-dependent ranges for density, magnetic transitions and thermal behaviour are sufficiently supported to include, and when do transformation or decomposition make melting or boiling fields inappropriate?", "Which jurisdiction-specific hazard classifications and exposure limits apply to each supplied form, particularly respirable powders, nanoparticles and impurity-bearing concentrates?", "What application-specific acceptance criteria and alteration thresholds should trigger rejection, restricted use or recharacterization of a magnetite batch?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "chemical substance or material", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a magnetite, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to identify magnetite, assess the condition and suitability of a particular specimen or batch, and determine which handling, processing or use decisions its evidence supports.", "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: mushketovite, titanomagnetite, lodestone.", "3 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 67 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 magnetite, 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": [ "mushketovite", "titanomagnetite", "lodestone" ] } ], "standing": "Described in 67 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 3 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 magnetite from another, and a magnetite 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 magnetite, 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 magnetite, 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 magnetite 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 magnetite, 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 magnetite, 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 magnetite 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 magnetite 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 magnetite, 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 magnetite, 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 magnetite 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 magnetite from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a magnetite, 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 magnetite, 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 magnetite 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 magnetite 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 magnetite, 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 magnetite, 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 magnetite 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 magnetite is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a magnetite, 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 magnetite, 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 magnetite 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 magnetite is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a magnetite, 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 magnetite, 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 magnetite 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 magnetite 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 magnetite is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a magnetite, 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 magnetite, 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 magnetite 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 magnetite 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 magnetite, 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 magnetite, 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 magnetite 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 magnetite 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 magnetite between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a magnetite, 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 magnetite, 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 magnetite 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 magnetite, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a magnetite 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 magnetite, 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 magnetite, 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 magnetite 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 magnetite 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 magnetite is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a magnetite performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a magnetite, 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 magnetite, 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 magnetite 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 magnetite.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a magnetite at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a magnetite, 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 magnetite, 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 magnetite 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 magnetite there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a magnetite, 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 magnetite, 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 magnetite 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 magnetite 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 magnetite 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 magnetite 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 magnetite 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 magnetite, 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 magnetite 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 magnetite 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 magnetite 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 magnetite, 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 magnetite 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 magnetite and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a magnetite, 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 magnetite, 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 magnetite 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 magnetite is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a magnetite, 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 magnetite, 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 magnetite 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 } } } }