{ "model": { "rank": 5767, "code": "thing-q192900", "model_id": "vr.tr.radionuclide", "name": "radionuclide", "purpose": "Enable an AI agent to identify a radionuclide, assess what its decay implies for a linked material inventory, and determine which uses or handling decisions require further evidence.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q192900/", "tier": 2, "score": 65, "payload": { "layer": "wikidata", "aliases": [ "synthetic radioisotope", "natural radionuclide", "bohrium-260", "bohrium-261", "bohrium-262", "bohrium-263", "bohrium-264", "bohrium-265", "bohrium-266", "bohrium-267", "bohrium-268", "bohrium-269", "bohrium-270", "bohrium-271", "bohrium-272", "bohrium-273", "bohrium-274", "bohrium-262m", "nuclide generator", "bone seeker", "extinct radionuclide", "calcium radioisotopes", "strontium radioisotopes", "fluorine radioisotopes", "sulfur radioisotopes", "copper radioisotopes", "gallium radioisotopes", "selenium radioisotopes", "yttrium radioisotopes", "thallium radioisotopes", "cesium radioisotopes", "cobalt radioisotopes", "Gallium-68 generator" ], "aliasCount": 33, "merged": 33, "knownIn": 65, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q192900", "url": "https://www.wikidata.org/wiki/Q192900", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T09:14:59Z", "providers": [ "Codex" ], "missingProviders": [ "Grok" ], "pass": 2, "cost": { "grok": { "usd": null, "turns": null, "seconds": 14.5, "error": "Error: Internal error: {\n \"message\": \"API error (status 402 Payment Required): Grok Build usage balance exhausted\",\n \"http_status\": 402\n}", "retried": true }, "codex": { "seconds": 89.7, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b24-e2a6-7271-b9f9-d9773c93f233\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: radionuclide\nRegistry id: vr.tr.radionuclide\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n" } } }, "metaModel": { "id": "THING-Q192900", "registryId": "vr.tr.radionuclide", "name": "radionuclide", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q192900/", "model": { "registry_id": "vr.tr.radionuclide", "name": "radionuclide", "purpose": "Enable an AI agent to identify a radionuclide, assess what its decay implies for a linked material inventory, and determine which uses or handling decisions require further evidence.", "definition": "", "scope_statement": "This model owns the identity and evaluated nuclear properties of a radioactive nuclide, including its nuclear energy state, decay pathways, emissions and relationships to daughter nuclides; physical inventories, chemical forms and proposed uses are linked contexts rather than intrinsic properties.", "in_scope": [ "Nuclide identity resolved by atomic number, mass number and nuclear energy state.", "Decay modes, branching fractions, half-life and associated uncertainties.", "Emitted radiation and daughter relationships, including decay-chain consequences.", "Translation between radionuclide atom inventory and activity under stated assumptions.", "Chemical-form and application dependencies needed to interpret the radionuclide's behaviour." ], "out_of_scope": [ "A particular radioactive source, specimen, batch or container and its custody history.", "Chemical compound identity, formulation and bulk material properties.", "Radiation detector design, calibration and measurement-session records.", "Patient treatment plans, biological uptake models and individual dose assessments.", "Facility authorisations, transport packages and waste-management operations." ], "distinguishing_features": [ "Atomic number alone identifies an element; radionuclide identity additionally requires mass number and nuclear energy state.", "Evidence of radioactive decay distinguishes a radionuclide from a nuclide treated as stable within the stated evaluation limits.", "Ground and metastable states must be resolved where they have distinct evaluated decay properties; an element-and-mass label may be insufficient.", "A physical sample can contain several radionuclides and has an amount and activity at a time; the radionuclide itself denotes a nuclear species.", "Different chemical compounds containing the same nuclear species do not become different radionuclides merely because their chemical forms differ." ], "characteristics": [ { "name": "Nuclear identity", "kind": "category", "unit_or_values": "Element symbol, atomic number Z, mass number A and nuclear-state designation", "why_it_matters": "Prevents confusion between isotopes, isomers and incompletely specified labels." }, { "name": "Nuclear excitation energy", "kind": "measurement", "unit_or_values": "keV with uncertainty, or unresolved", "why_it_matters": "Helps distinguish nuclear states whose labels or assignments may be ambiguous." }, { "name": "Half-life", "kind": "measurement", "unit_or_values": "s or explicitly convertible time unit, uncertainty or bound, and applicable conditions", "why_it_matters": "Supports decay prediction and establishes the time scale over which inventory changes." }, { "name": "Decay modes and branching fractions", "kind": "category", "unit_or_values": "Evaluated decay modes with dimensionless fractions, uncertainties and upper limits", "why_it_matters": "Determines possible daughter products and how decay events are distributed among pathways." }, { "name": "Emission energies and yields", "kind": "measurement", "unit_or_values": "Energy in keV or MeV; yield per parent decay with the normalization stated", "why_it_matters": "Supports identification and radiation-field calculations without confusing yield with branching fraction." }, { "name": "Daughter nuclear states", "kind": "relation", "unit_or_values": "Links to daughter nuclides and states, qualified by decay pathway", "why_it_matters": "Allows an agent to trace ingrowth and distinguish parent-only behaviour from chain behaviour." }, { "name": "Activity of a linked inventory", "kind": "measurement", "unit_or_values": "Bq at a reference time, linked to a specified inventory and uncertainty", "why_it_matters": "Makes activity usable without assigning a sample-dependent quantity to the nuclear species." }, { "name": "Nuclear-data evaluation status", "kind": "state", "unit_or_values": "Adopted, provisional, disputed or unresolved, with source version and date", "why_it_matters": "Exposes when calculations or identity decisions depend on unsettled data." } ], "affordances": [ "Resolve a supplied isotope or isomer label to a nuclear identity, or flag missing state information.", "Retrieve and compare evaluated decay properties while preserving uncertainty and source versions.", "Predict parent decay and daughter ingrowth for a linked inventory with explicit initial conditions.", "Compare observed radiation features with expected emissions to propose or challenge an identification.", "Convert atom inventory to activity, or activity to atom inventory, when the necessary decay data and assumptions are available.", "Identify the additional material, exposure and authorisation evidence needed before judging a proposed use or handling action." ] }, "sources": [], "structure": { "bundles": [ { "id": "nuclear-identity", "name": "Nuclear identity", "description": "Resolve which radioactive nuclear species and energy state the registry entry represents.", "rationale": "Decay properties cannot be assigned reliably until isotope and nuclear-state ambiguities are removed.", "layers": [ { "id": "nuclide-resolution", "name": "Nuclide resolution", "description": "Establish the element and nucleon counts behind a supplied name.", "findings": [ { "id": "atomic-and-mass-identification", "name": "Atomic and mass identification", "description": "Record the nuclear identity and the evidence connecting each accepted label to it.", "questions": [ { "text": "Which atomic number and mass number does this radionuclide designation identify?", "kind": "definition", "id": "atomic-and-mass-identification-q01" }, { "text": "Which evaluated reference establishes the accepted designation and its aliases?", "kind": "provenance", "id": "atomic-and-mass-identification-q02" } ] } ] }, { "id": "nuclear-state-resolution", "name": "Nuclear-state resolution", "description": "Distinguish ground-state and metastable identities and retain unresolved assignments.", "findings": [ { "id": "state-assignment", "name": "State assignment", "description": "Make nuclear-state specificity explicit before attaching decay data.", "questions": [ { "text": "Does the designation refer to the ground state, a particular metastable state or an unresolved mixture?", "kind": "definition", "id": "state-assignment-q01" }, { "text": "What excitation energy and evaluated state assignment support that interpretation?", "kind": "measurement", "id": "state-assignment-q02" }, { "text": "When must an incomplete isotope label remain unresolved rather than default to the ground state?", "kind": "boundary", "id": "state-assignment-q03" } ] } ] } ] }, { "id": "decay-behaviour", "name": "Decay behaviour", "description": "Represent the time scale and competing pathways of radioactive transformation.", "rationale": "An agent needs decay kinetics and pathway probabilities to predict changes without treating uncertain values as exact.", "layers": [ { "id": "decay-time-scale", "name": "Decay time scale", "description": "Capture half-life evidence and the conditions under which it applies.", "findings": [ { "id": "half-life-evaluation", "name": "Half-life evaluation", "description": "Keep the adopted half-life, uncertainty, limits and relevant environmental qualifications together.", "questions": [ { "text": "What half-life is adopted, with what uncertainty or bound?", "kind": "measurement", "id": "half-life-evaluation-q01" }, { "text": "Which evaluation supports that value, and does it supersede conflicting measurements?", "kind": "provenance", "id": "half-life-evaluation-q02" }, { "text": "Are the linked inventory's electronic or environmental conditions outside those assumed by the adopted decay data?", "kind": "boundary", "id": "half-life-evaluation-q03" } ] } ] }, { "id": "competing-decay-pathways", "name": "Competing decay pathways", "description": "Represent decay modes and their evaluated probabilities.", "findings": [ { "id": "branch-accounting", "name": "Branch accounting", "description": "Distinguish established branches, bounded rare branches and unassigned probability.", "questions": [ { "text": "Which decay modes are established, and what branching fraction and uncertainty belong to each?", "kind": "measurement", "id": "branch-accounting-q01" }, { "text": "Do the reported fractions share a normalization, and are any pathways represented only by upper limits?", "kind": "boundary", "id": "branch-accounting-q02" } ] } ] } ] }, { "id": "radiation-and-daughters", "name": "Radiation and daughters", "description": "Connect parent decay to emitted radiation and resulting nuclear species.", "rationale": "Identification and consequence assessment depend on both immediate emissions and subsequent daughter decay.", "layers": [ { "id": "emission-signatures", "name": "Emission signatures", "description": "Describe radiation features that may support identification or radiation-field assessment.", "findings": [ { "id": "energy-and-yield-signature", "name": "Energy and yield signature", "description": "Record emission type, energy distribution and yield with clear attribution.", "questions": [ { "text": "Which particle or photon emissions are expected, with what discrete energies or continuous spectra?", "kind": "measurement", "id": "energy-and-yield-signature-q01" }, { "text": "Are yields stated per parent decay, per branch or under a specified daughter-equilibrium assumption?", "kind": "definition", "id": "energy-and-yield-signature-q02" }, { "text": "Which observed features could be shared with other radionuclides and therefore require corroboration?", "kind": "boundary", "id": "energy-and-yield-signature-q03" } ] } ] }, { "id": "daughter-chain-relations", "name": "Daughter-chain relations", "description": "Trace daughter identities and the conditions that change their contribution.", "findings": [ { "id": "daughter-ingrowth-context", "name": "Daughter ingrowth context", "description": "Link decay products while preserving the distinction between a nuclear pathway and daughters retained in a sample.", "questions": [ { "text": "Which daughter nuclides and nuclear states result from each decay pathway?", "kind": "definition", "id": "daughter-ingrowth-context-q01" }, { "text": "Which daughters were initially present, subsequently removed or lost from the linked inventory?", "kind": "provenance", "id": "daughter-ingrowth-context-q02" }, { "text": "What evidence permits an equilibrium approximation instead of explicit daughter-ingrowth calculation?", "kind": "boundary", "id": "daughter-ingrowth-context-q03" } ] } ] } ] }, { "id": "inventory-and-material-context", "name": "Inventory and material context", "description": "Connect nuclear properties to time-specific amounts and chemically situated material.", "rationale": "Activity, mobility and practical persistence cannot be inferred from radionuclide identity alone.", "layers": [ { "id": "amount-activity-and-time", "name": "Amount, activity and time", "description": "Support conversions and predictions for a specified physical inventory.", "findings": [ { "id": "inventory-reference-basis", "name": "Inventory reference basis", "description": "Require a reference time and composition basis for inventory-derived quantities.", "questions": [ { "text": "What atom count, radionuclide mass or activity is known for the linked inventory, at what reference time and with what uncertainty?", "kind": "measurement", "id": "inventory-reference-basis-q01" }, { "text": "Does the reported activity describe this parent alone or include other radionuclides and daughters?", "kind": "boundary", "id": "inventory-reference-basis-q02" }, { "text": "Does projection to another time require accounting for production, transfer or separation as well as decay?", "kind": "action", "id": "inventory-reference-basis-q03" } ] } ] }, { "id": "chemical-and-physical-carriers", "name": "Chemical and physical carriers", "description": "Link chemical form and material containment to interpretations of radionuclide behaviour.", "findings": [ { "id": "form-dependent-behaviour", "name": "Form-dependent behaviour", "description": "Separate nuclear identity from the material properties that govern movement and accessibility.", "questions": [ { "text": "In which chemical species, oxidation state and physical phase is the radionuclide present?", "kind": "definition", "id": "form-dependent-behaviour-q01" }, { "text": "Which linked material evidence is needed to assess volatility, solubility, leaching or daughter retention?", "kind": "boundary", "id": "form-dependent-behaviour-q02" } ] } ] } ] }, { "id": "use-and-decision-evidence", "name": "Use and decision evidence", "description": "Connect radionuclide properties to proposed purposes and the evidence required for consequential decisions.", "rationale": "Nuclear suitability is only part of deciding whether a particular inventory can be used, measured, stored or transferred.", "layers": [ { "id": "application-fit", "name": "Application fit", "description": "Assess the nuclear properties relevant to a proposed application.", "findings": [ { "id": "purpose-property-match", "name": "Purpose-property match", "description": "Relate half-life, emissions and daughter products to explicit application requirements.", "questions": [ { "text": "Which required half-life range, emission characteristics or daughter behaviour make this radionuclide a candidate for the proposed purpose?", "kind": "action", "id": "purpose-property-match-q01" }, { "text": "What radionuclidic composition and activity-per-mass requirements must the linked inventory satisfy?", "kind": "measurement", "id": "purpose-property-match-q02" }, { "text": "Which application requirements depend on formulation, equipment or biological behaviour rather than nuclear identity?", "kind": "boundary", "id": "purpose-property-match-q03" } ] } ] }, { "id": "handling-decision-dependencies", "name": "Handling decision dependencies", "description": "Identify missing context before reaching a handling or permission conclusion.", "findings": [ { "id": "context-required-for-action", "name": "Context required for action", "description": "Connect intrinsic radiation properties to inventory-specific exposure and authorisation assessments.", "questions": [ { "text": "What activity, chemical form, containment, geometry and exposure-pathway evidence is required to assess the proposed action?", "kind": "action", "id": "context-required-for-action-q01" }, { "text": "Which current jurisdiction-specific authorisation or classification record applies to this inventory and action?", "kind": "provenance", "id": "context-required-for-action-q02" }, { "text": "Which missing inputs prevent the agent from concluding that the proposed action is permitted or adequately controlled?", "kind": "boundary", "id": "context-required-for-action-q03" } ] } ] } ] } ] }, "openQuestions": [ "Does the existing Vercy catalogue already cover radionuclides within a nuclide or isotope model, requiring this registry entry to link there?", "Which evaluated nuclear-data sources and version-selection rules should govern conflicting half-lives, branching fractions and state assignments?", "What identity policy should distinguish metastable states while preserving the registry's authoritative granularity?", "Where should Vercy place daughter-chain calculations, inventory-specific activity and chemical-form links across neighbouring models?", "What evidence threshold should distinguish established radioactive decay, a decay limit and a nuclide treated as stable?" ], "statistics": { "bundles": 5, "layers": 10, "findings": 10, "questions": 27 } }, "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 radionuclide, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to identify a radionuclide, assess what its decay implies for a linked material inventory, and determine which uses or handling decisions require further evidence.", "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: synthetic radioisotope, natural radionuclide, bohrium-260, bohrium-261, bohrium-262, bohrium-263, bohrium-264, bohrium-265, bohrium-266, bohrium-267, bohrium-268, bohrium-269.", "33 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 65 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 radionuclide, 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": [ "synthetic radioisotope", "natural radionuclide", "bohrium-260", "bohrium-261", "bohrium-262", "bohrium-263", "bohrium-264", "bohrium-265", "bohrium-266", "bohrium-267", "bohrium-268", "bohrium-269" ] } ], "standing": "Described in 65 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 33 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 radionuclide from another, and a radionuclide 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 radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide 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 radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide 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 radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide 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 radionuclide is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide 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 radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide 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 radionuclide between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a radionuclide 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 radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide 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 radionuclide is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a radionuclide performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a radionuclide at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide 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 radionuclide 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 radionuclide 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 radionuclide 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 radionuclide, 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 radionuclide 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 radionuclide 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 radionuclide 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 radionuclide, 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 radionuclide 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 radionuclide and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a radionuclide, 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 radionuclide, 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 radionuclide 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 radionuclide is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a radionuclide, 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 radionuclide, 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 radionuclide 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 } } } }