{ "model": { "rank": 5035, "code": "thing-q163648", "model_id": "vr.tr.ddt", "name": "DDT", "purpose": "Enable an AI agent to identify DDT material, assess its composition and condition, and determine which handling, use, storage or disposal actions require evidence and authorization.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q163648/", "tier": 2, "score": 70, "payload": { "layer": "wikidata", "aliases": [], "aliasCount": 0, "merged": 0, "knownIn": 70, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q163648", "url": "https://www.wikidata.org/wiki/Q163648", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T21:31:49Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 21.6, "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: 01a08814-9fab-7532-b2d9-b269398760a3\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: DDT\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 registered ", "usd": 0, "recall": true }, "codex": { "seconds": 61.9, "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: 01a08814-9f9a-7fe0-a079-9814176db31b\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: DDT\nRegistry id: vr.tr.ddt\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext for this" } } }, "metaModel": { "id": "THING-Q163648", "registryId": "vr.tr.ddt", "name": "DDT", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q163648/", "model": { "registry_id": "vr.tr.ddt", "name": "DDT", "purpose": "Enable an AI agent to identify DDT material, assess its composition and condition, and determine which handling, use, storage or disposal actions require evidence and authorization.", "definition": "DDT (dichlorodiphenyltrichloroethane) is a synthetic organochlorine insecticide whose principal insecticidal constituent is p,p'-DDT, a persistent, fat-soluble compound with molecular formula C14H9Cl5.", "scope_statement": "This model owns DDT as a chemical substance in PHY / PHY.MAT, including the distinction between the named compound, its isomers and technical DDT mixtures, while recording links to formulations, environmental samples and regulated activities without treating them as the substance itself.", "in_scope": [ "Chemical identity and the declared meaning of DDT for a particular material record.", "Isomer composition, purity, impurities and transformation products.", "Physical state and measured properties under specified conditions.", "Material condition, environmental persistence and evidence of transformation.", "Hazard evidence, exposure constraints and jurisdiction-specific restrictions." ], "out_of_scope": [ "Complete pesticide formulations and their other ingredients.", "Manufacturing processes and synthesis instructions.", "Vector-control programmes and pesticide application operations.", "Clinical diagnosis or treatment of exposure.", "Whole-site contamination models and ecosystem population dynamics." ], "distinguishing_features": [ "Require chemical identity evidence to distinguish dichlorodiphenyltrichloroethane from other meanings of the abbreviation DDT.", "Distinguish a specified DDT isomer from technical DDT using composition evidence rather than treating the shared name as proof of equivalence.", "Identify DDE and DDD separately from DDT; an aggregate residue result must declare which compounds it includes.", "Distinguish DDT substance from a pesticide product containing DDT by recording active-ingredient concentration and formulation components.", "Distinguish measured DDT in soil, tissue or another matrix from a stock of DDT material; matrix concentration does not establish substance purity." ], "characteristics": [ { "name": "Declared chemical identity", "kind": "category", "unit_or_values": "Specified DDT isomer | technical DDT mixture | DDT identity unresolved; verified structure and applicable CAS, PubChem and EC identifiers", "why_it_matters": "Prevents identifiers for a particular compound from being assigned indiscriminately to mixtures or products." }, { "name": "Isomer composition", "kind": "measurement", "unit_or_values": "Mass fraction or mass percent for individually identified DDT isomers, with analytical method and uncertainty", "why_it_matters": "Makes differences between technical material and a purified isomer explicit." }, { "name": "Purity and associated compounds", "kind": "measurement", "unit_or_values": "DDT assay and separately measured DDE, DDD and other identified constituents in mass percent or mg/kg", "why_it_matters": "Supports material acceptance and interpretation of aged or incompletely characterized stocks." }, { "name": "Physical state and appearance", "kind": "state", "unit_or_values": "Observed phase, colour, particle form and agglomeration at recorded temperature and pressure", "why_it_matters": "Helps assess material condition without using appearance as proof of identity." }, { "name": "Thermal behaviour", "kind": "measurement", "unit_or_values": "Melting point or range in °C; boiling or decomposition observations with pressure, composition and method", "why_it_matters": "Prevents a pure-isomer value or decomposition event from being misapplied to technical material." }, { "name": "Solubility and partitioning", "kind": "measurement", "unit_or_values": "Solubility in mg/L for a named solvent and temperature; dimensionless partition coefficient with method", "why_it_matters": "Supports assessment of phase distribution, migration and sampling requirements." }, { "name": "DDT residue concentration", "kind": "measurement", "unit_or_values": "mg/kg or µg/L with matrix, wet/dry/lipid basis, analyte definition, detection limit and uncertainty", "why_it_matters": "Makes environmental and biological measurements comparable only where their reporting bases match." }, { "name": "Transformation evidence", "kind": "state", "unit_or_values": "Not assessed | DDT and transformation products measured | change demonstrated over time | interpretation unresolved", "why_it_matters": "Separates a measured composition from an inference about material history." }, { "name": "Applicable hazard classification", "kind": "category", "unit_or_values": "Hazard classes, categories and statements from a dated, jurisdiction-specific source matched to composition", "why_it_matters": "Connects handling decisions to the actual material and applicable classification system." }, { "name": "Applicable exposure limit", "kind": "measurement", "unit_or_values": "Value and units with exposure route, averaging period, jurisdiction, effective date and source", "why_it_matters": "Prevents occupational, environmental and food-residue limits from being treated as interchangeable." }, { "name": "Regulated activity status", "kind": "relation", "unit_or_values": "Material linked to jurisdiction, date, proposed activity, legal instrument and any documented authorization", "why_it_matters": "A permitted activity cannot be inferred from the substance name alone." } ], "affordances": [ "Reconcile a DDT label with structure identifiers and analytical composition.", "Compare DDT materials only after aligning isomer composition, purity and measurement conditions.", "Interpret residue results using explicit definitions of DDT, DDE, DDD and any reported total.", "Flag handling or storage decisions that lack applicable hazard or condition evidence.", "Check a proposed activity against current jurisdiction-specific restrictions and documented authorizations.", "Route unwanted DDT material to a qualified waste assessment using composition and custody records." ] }, "sources": [], "structure": { "bundles": [ { "id": "ddt-identity-and-composition", "name": "DDT identity and composition", "description": "Establishes what the name DDT denotes for the material under assessment.", "rationale": "A named isomer, technical mixture and formulated pesticide cannot share an unqualified identity record.", "layers": [ { "id": "chemical-identity", "name": "Chemical identity", "description": "Resolves the substance name against structural and identifier evidence.", "findings": [ { "id": "declared-ddt-meaning", "name": "Declared DDT meaning", "description": "Record whether DDT denotes a specified isomer, a technical mixture or an unresolved label, without silently narrowing the registry entry.", "questions": [ { "text": "Does this record denote p,p'-DDT, another identified DDT isomer or technical DDT?", "kind": "definition", "id": "declared-ddt-meaning-q01" }, { "text": "Which verified structure and identifier records support that interpretation?", "kind": "provenance", "id": "declared-ddt-meaning-q02" } ] } ] }, { "id": "composition-and-material-boundary", "name": "Composition and material boundary", "description": "Separates DDT constituents from impurities, transformation products and formulation ingredients.", "findings": [ { "id": "ddt-composition-profile", "name": "DDT composition profile", "description": "Record measured isomer fractions, assay basis and associated compounds, linking product ingredients to a separate formulation record.", "questions": [ { "text": "What fractions of the material are identified DDT isomers, DDE, DDD and other constituents, and how were they measured?", "kind": "measurement", "id": "ddt-composition-profile-q01" }, { "text": "Is the reported percentage a substance-purity assay or the active-ingredient concentration of a formulated product?", "kind": "boundary", "id": "ddt-composition-profile-q02" } ] } ] } ] }, { "id": "ddt-properties-and-condition", "name": "DDT properties and condition", "description": "Connects physical-property evidence and observed condition to the identified DDT material.", "rationale": "Properties attributed to one DDT composition or test condition may not describe another material.", "layers": [ { "id": "conditioned-physical-properties", "name": "Conditioned physical properties", "description": "Records phase, thermal behaviour and distribution properties with their experimental context.", "findings": [ { "id": "composition-matched-properties", "name": "Composition-matched properties", "description": "Attach property measurements to a specified isomer or mixture and preserve temperature, pressure, solvent and method.", "questions": [ { "text": "Which melting, solubility, vapour-pressure and partitioning measurements apply to this DDT composition?", "kind": "measurement", "id": "composition-matched-properties-q01" }, { "text": "Does a reported boiling value represent observed boiling, an estimate or decomposition under the stated conditions?", "kind": "provenance", "id": "composition-matched-properties-q02" } ] } ] }, { "id": "stock-condition-and-change", "name": "Stock condition and change", "description": "Assesses whether stored material remains consistent with its declared composition and condition.", "findings": [ { "id": "aged-ddt-stock-assessment", "name": "Aged DDT stock assessment", "description": "Record storage history, current observations and analytical evidence without assuming that age or appearance establishes degradation.", "questions": [ { "text": "What storage, contamination or exposure history could affect the interpretation of this DDT stock?", "kind": "provenance", "id": "aged-ddt-stock-assessment-q01" }, { "text": "Do repeat assays demonstrate a change in DDT composition, or is the present composition the only available evidence?", "kind": "measurement", "id": "aged-ddt-stock-assessment-q02" }, { "text": "What unresolved condition evidence requires sampling or specialist assessment before the material is handled further?", "kind": "action", "id": "aged-ddt-stock-assessment-q03" } ] } ] } ] }, { "id": "ddt-residues-and-environmental-fate", "name": "DDT residues and environmental fate", "description": "Supports interpretation of DDT-related measurements in environmental and biological matrices.", "rationale": "Residue totals, reporting bases and transformation-product patterns can otherwise produce misleading comparisons or historical claims.", "layers": [ { "id": "residue-measurement-boundaries", "name": "Residue measurement boundaries", "description": "Defines the analytes and matrix basis behind each DDT-related result.", "findings": [ { "id": "explicit-total-ddt-definition", "name": "Explicit total DDT definition", "description": "Treat total DDT as a method-defined aggregate whose included compounds must be stated.", "questions": [ { "text": "Which DDT, DDE and DDD isomers are included in the reported total, and how are results below detection or quantification limits handled?", "kind": "definition", "id": "explicit-total-ddt-definition-q01" }, { "text": "What matrix, units and wet-weight, dry-weight or lipid-normalized basis describe the result?", "kind": "measurement", "id": "explicit-total-ddt-definition-q02" } ] } ] }, { "id": "fate-and-transformation-evidence", "name": "Fate and transformation evidence", "description": "Records evidence for persistence, partitioning and transformation in a specified setting.", "findings": [ { "id": "bounded-fate-interpretation", "name": "Bounded fate interpretation", "description": "Link fate claims to environmental conditions and distinguish measured compound patterns from inferred release histories.", "questions": [ { "text": "Which studies support persistence, sorption or biological accumulation claims under conditions relevant to this record?", "kind": "provenance", "id": "bounded-fate-interpretation-q01" }, { "text": "What evidence beyond a DDT-to-DDE or DDT-to-DDD ratio supports any claim about release timing or transformation?", "kind": "boundary", "id": "bounded-fate-interpretation-q02" } ] } ] } ] }, { "id": "ddt-hazards-and-authorized-actions", "name": "DDT hazards and authorized actions", "description": "Connects material-specific hazard evidence to the rules governing proposed activities.", "rationale": "DDT decisions require a dated assessment of hazards, activity restrictions and the material's stock or waste status.", "layers": [ { "id": "hazard-and-exposure-evidence", "name": "Hazard and exposure evidence", "description": "Records applicable classifications and exposure benchmarks without confusing hazard with measured risk.", "findings": [ { "id": "applicable-ddt-hazard-record", "name": "Applicable DDT hazard record", "description": "Match hazard information and exposure limits to composition, route, jurisdiction and date.", "questions": [ { "text": "Which authoritative hazard classifications apply to this DDT material, and what are their jurisdiction and revision dates?", "kind": "provenance", "id": "applicable-ddt-hazard-record-q01" }, { "text": "Which exposure route, averaging period and material definition accompany each applicable limit?", "kind": "measurement", "id": "applicable-ddt-hazard-record-q02" }, { "text": "What handling and containment requirements follow from the documented assessment of this material and activity?", "kind": "action", "id": "applicable-ddt-hazard-record-q03" } ] } ] }, { "id": "activity-restrictions-and-waste-status", "name": "Activity restrictions and waste status", "description": "Determines whether a proposed DDT activity has an applicable legal basis and whether the material requires waste management.", "findings": [ { "id": "documented-ddt-action-basis", "name": "Documented DDT action basis", "description": "Record current international and domestic requirements, any relevant authorization, and the evidence supporting stock or waste status.", "questions": [ { "text": "For the named jurisdiction and date, what rules and documented authorizations govern the proposed possession, use, transfer or disposal of DDT?", "kind": "action", "id": "documented-ddt-action-basis-q01" }, { "text": "What evidence establishes whether this material is an authorized stock, an obsolete product or waste requiring specialist management?", "kind": "boundary", "id": "documented-ddt-action-basis-q02" }, { "text": "Which applicable waste criteria and receiving-facility requirements must be verified before a disposal route is selected?", "kind": "action", "id": "documented-ddt-action-basis-q03" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This is recalled knowledge; no sources were consulted.", "Verify whether the registry intends p,p'-DDT specifically or technical DDT before assigning identifiers, purity requirements or physical constants.", "Check current jurisdictional restrictions, hazard classifications, exposure limits and WHO guidance; none are established here as current operational requirements." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of DDT 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": [ "p,p'-DDT", "o,p'-DDT", "Technical-grade DDT, an isomer mixture", "Analytical-grade p,p'-DDT" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of DDT 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": "50-29-3", "note": "Identifies p,p'-DDT; distinguish this constituent from technical mixtures and formulated products." }, { "scheme": "Chemical nomenclature", "value_or_pattern": "1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane", "note": "Systematic name for p,p'-DDT." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of DDT this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Stockholm Convention on Persistent Organic Pollutants, Annex B: DDT is subject to restriction provisions, including a framework for disease-vector control.", "World Health Organization: guidance concerning DDT in indoor residual spraying for disease-vector control.", "United Nations Globally Harmonized System of Classification and Labelling of Chemicals: framework for communicating chemical hazards; applicable classifications require jurisdiction-specific verification." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of DDT 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": [ "Historical agricultural insecticide against a broad range of insect pests.", "Indoor residual spraying for malaria-vector control under restricted public-health arrangements.", "Historical control of lice and other disease vectors.", "Analytical reference material for environmental and food-residue testing." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of DDT this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "quantity": "Molar mass of p,p'-DDT", "typical_range": "354.49", "unit": "g/mol" }, { "quantity": "Melting point of purified p,p'-DDT", "typical_range": "108-109", "unit": "°C" }, { "quantity": "Water solubility near room temperature", "typical_range": "Approximately 0.001-0.01; depends on isomer, temperature and method", "unit": "mg/L" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of DDT 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": [ "Environmental persistence allows residues to remain long after application.", "Bioaccumulation in fatty tissues and biomagnification through food webs increase exposure in predators.", "Its transformation product DDE is strongly associated with eggshell thinning and reproductive harm in susceptible birds.", "Sufficient exposure can disrupt nervous-system function, including tremors and convulsions.", "Resistance in target insects can reduce insecticidal effectiveness." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of DDT 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": [ "Permitted uses, pesticide registrations and implementation of international restrictions vary by jurisdiction.", "Disease-vector-control use has a distinct regulatory context from agricultural use." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of DDT 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": "DDE", "difference": "A chemically distinct transformation product of DDT containing a carbon-carbon double bond; it is not a DDT isomer." }, { "name": "DDD", "difference": "A related compound with one fewer chlorine atom than DDT, occurring as a transformation product and historically used as an insecticide." }, { "name": "DDT pesticide formulation", "difference": "A product containing DDT plus carriers or other ingredients; product concentration and physical form are separate from substance identity." }, { "name": "Organochlorine insecticide", "difference": "The broader chemical-use class containing DDT and other compounds with different structures and properties." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of DDT this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does registry entry vr.tr.ddt intentionally encompass technical DDT and individual DDT isomers, or does its originating record identify a specific compound?", "Which authoritative sources establish the applicable CAS, PubChem and EC identifiers and composition-specific physical constants?", "Which analytical conventions for total DDT must this catalogue support, including isomer coverage and treatment of non-detects?", "Which current jurisdiction-specific classifications, exposure limits and activity restrictions must be represented for the intended deployment?", "Does an existing Vercy world model already cover DDT, and which neighbouring models should own formulations, contaminated matrices and waste-management activities?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 17, "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 DDT, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to identify DDT material, assess its composition and condition, and determine which handling, use, storage or disposal actions require evidence and authorization.", "characteristics": { "substance": "material", "origin": "natural", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured", "consumed or used up" ], "distinguishingFeatures": [ "Described in 70 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 DDT, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state", "use it up, and then need more of it" ], "howItIsRecognised": [ "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay." ], "relatedModels": [], "standing": "Described in 70 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one DDT from another, and a DDT 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 DDT, 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 DDT, 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 DDT 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 DDT, 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 DDT, 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 DDT 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 DDT 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 DDT, 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 DDT, 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 DDT 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 DDT from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a DDT, 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 DDT, 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 DDT 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 DDT 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 DDT, 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 DDT, 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 DDT 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 DDT is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a DDT, 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 DDT, 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 DDT 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 DDT is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a DDT, 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 DDT, 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 DDT 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 DDT 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 DDT is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a DDT, 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 DDT, 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 DDT 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 DDT 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 DDT, 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 DDT, 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 DDT 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 DDT 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 DDT between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a DDT, 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 DDT, 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 DDT 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 DDT, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a DDT 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 DDT, 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 DDT, 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 DDT 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 DDT 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 DDT is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a DDT performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a DDT, 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 DDT, 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 DDT 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 DDT.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a DDT at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a DDT, 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 DDT, 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 DDT 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 DDT there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a DDT, 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 DDT, 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 DDT 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 DDT 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 DDT 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 DDT 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 DDT 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 DDT, 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 DDT 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 DDT 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 DDT 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 DDT, 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 DDT 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 DDT and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a DDT, 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 DDT, 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 DDT 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 DDT is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a DDT, 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 DDT, 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 DDT 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 } } } }