{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T08:19:59Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 23.5, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a094b2-a8c2-7e22-8aaf-af47c0225b0d\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: cadmium tungstate\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 043: 10", "usd": 0.0, "recall": true }, "codex": { "seconds": 67.8, "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: 01a094b2-a8ca-7903-b42f-5d81db0b6afd\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: cadmium tungstate\nRegistry id: vr.tr.cadmium-tungstate\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entr" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:53:39+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:28+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q1969116", "registryId": "vr.tr.cadmium-tungstate", "name": "cadmium tungstate", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1969116/", "model": { "registry_id": "vr.tr.cadmium-tungstate", "name": "cadmium tungstate", "purpose": "Enable an AI agent to recognise cadmium tungstate, assess the condition and suitability of a particular material lot, and determine what handling, testing or use is justified by available evidence.", "definition": "Cadmium tungstate (CdWO4) is a crystalline inorganic compound of cadmium, tungsten and oxygen that adopts the monoclinic wolframite structure under ambient conditions and is used as a scintillator for detecting ionizing radiation.", "scope_statement": "This model owns cadmium tungstate as a chemical material registered as vr.tr.cadmium-tungstate in PHY.MAT, including its identity, composition, physical form, crystal state, measured performance and material-specific handling constraints.", "in_scope": [ "Chemical identity and evidence that the material is cadmium tungstate, CdWO4", "Purity, stoichiometry, impurities, dopants and isotopic composition of identified lots", "Phase, crystallinity, physical form and changes in material condition", "Optical and scintillation performance under recorded test conditions", "Evidence governing handling, storage, processing and disposal of the cadmium-containing material" ], "out_of_scope": [ "Complete radiation detectors, scanners and their system-level performance", "Crystal-growth equipment and manufacturing-process models", "Other cadmium compounds, other tungstates and physical mixtures of precursor materials", "General radiation-field descriptions and radiation-source operation", "Clinical outcomes, occupational disease and jurisdiction-wide regulatory frameworks" ], "distinguishing_features": [ "Require evidence for the CdWO4 compound identity; detecting cadmium, tungsten and oxygen together does not establish that they form cadmium tungstate.", "Use phase-sensitive evidence to distinguish cadmium tungstate from a mixture of cadmium-bearing and tungsten-bearing compounds.", "Confirm the cadmium constituent when distinguishing this material from calcium tungstate, zinc tungstate or other tungstate scintillators.", "Separate intrinsic material evidence from measurements of a packaged detector whose readout, geometry and optical coupling influence the result.", "Distinguish nominally identical lots by purity, dopants, isotope composition and crystal quality before treating their performance as interchangeable." ], "characteristics": [ { "name": "Chemical identity", "kind": "category", "unit_or_values": "CdWO4; independently verified registry identifiers and identity evidence", "why_it_matters": "Prevents names, supplier labels and neighbouring tungstate materials from being treated as sufficient proof of identity." }, { "name": "Composition and purity", "kind": "measurement", "unit_or_values": "Cd:W:O atomic ratios; purity in mass percent; impurity concentrations in mg/kg with detection limits", "why_it_matters": "Supports assessment of compound identity, contamination and fitness for a specified use." }, { "name": "Dopant and isotope specification", "kind": "category", "unit_or_values": "Declared dopants and concentrations; elemental isotope fractions; unspecified status", "why_it_matters": "Distinguishes intentionally modified material from unmodified or inadequately characterised lots." }, { "name": "Phase and crystallinity", "kind": "state", "unit_or_values": "Identified phases, phase fractions where measured, single-crystalline or polycrystalline state, and supporting method", "why_it_matters": "Separates the intended compound and crystal state from secondary phases or incompletely reacted material." }, { "name": "Physical form and integrity", "kind": "state", "unit_or_values": "Powder, granules or crystal; dimensions or particle-size distribution in specified units; cracks, chips and surface condition", "why_it_matters": "Changes measurement interpretation, processing suitability and potential for material release." }, { "name": "Optical transmission", "kind": "measurement", "unit_or_values": "Transmission percent versus wavelength in nm, with optical path length in mm and temperature in K", "why_it_matters": "Helps assess whether a crystal can transport emitted light adequately for its intended use." }, { "name": "Scintillation response", "kind": "measurement", "unit_or_values": "Light yield in photons/MeV or an explicitly defined relative scale; emission wavelength in nm; decay components in ns or µs", "why_it_matters": "Supports comparison only when excitation, temperature, sample geometry and readout conditions are recorded." }, { "name": "Thermal behaviour", "kind": "measurement", "unit_or_values": "Observed transitions or decomposition in °C or K, with atmosphere, pressure and measurement method", "why_it_matters": "Constrains processing temperatures without assuming that every reported high-temperature event is melting." }, { "name": "Handling and disposal evidence", "kind": "relation", "unit_or_values": "Applicable safety data sheet, classification source, local handling procedure and waste determination", "why_it_matters": "Links permissible actions to evidence for the actual material form and jurisdiction." } ], "affordances": [ "Identify a candidate lot through composition and phase evidence.", "Compare lots for an intended optical or scintillation application using measurements with compatible conditions.", "Select characterisation needed to resolve uncertain purity, crystal quality or performance.", "Assess whether cutting, polishing, grinding or heating is supported by material-specific procedures and hazard evidence.", "Track contamination, physical damage or performance changes and decide whether a lot needs requalification.", "Route material and processing residues to an evidenced recovery or disposal pathway." ], "agent_conduct": { "may": [ "Describe cadmium tungstate as a scintillator crystal used in radiation detectors.", "Report hazards and handling rules for cadmium compounds from safety data sheets." ], "must_not": [ "Cut, grind or polish the crystal without dust controls and protection required for cadmium compounds.", "Dispose of detector crystals or cadmium waste in ordinary refuse or drains.", "Sell or recycle detectors containing it without disclosing the cadmium content.", "Present a faulty detector as calibrated." ], "requires_human": [ "Approving decommissioning or disposal of detectors containing it." ] }, "ethics": { "considerations": [ "Cadmium is toxic and persistent and harms kidneys and bones.", "Radiation detectors protect people; their reliability matters." ], "affected_parties": [ "Detector manufacturers' workers", "Waste and recycling workers", "Patients and staff relying on detectors" ] }, "owners": { "steward": "The laboratory or business that holds it; chemical safety authorities regulate supply and use.", "master_systems": [] }, "visual_identification": [ "A transparent, colourless to pale yellow dense crystal, often cut into blocks or arrays.", "Usually mounted inside a detector housing coupled to a light sensor." ], "failure_modes_and_hazards": [ "Cadmium exposure from dust during machining.", "Environmental contamination from improper disposal.", "Cracked crystals degrading detector performance." ], "standards_and_regulation": [ "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), United Nations." ], "what_it_is_for": [ "Cadmium tungstate is encountered as a scintillating crystal in instruments that detect X-rays and gamma rays.", "It converts absorbed radiation energy into light that a coupled optical detector can measure.", "Material assessment considers crystal quality, optical transmission and suitability for the intended detector." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q1969116: cadmium tungstate", "url": "https://www.wikidata.org/wiki/Q1969116", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Cadmium tungstate", "url": "https://en.wikipedia.org/wiki/Cadmium_tungstate", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "compound-identity-and-composition", "name": "Compound identity and composition", "description": "Establish what makes a specimen cadmium tungstate and which compositional qualifications apply.", "rationale": "A CdWO4 label does not establish phase identity, purity or equivalence between material lots.", "layers": [ { "id": "identity-and-phase-evidence", "name": "Identity and phase evidence", "description": "Connect the registered name to chemical and phase-sensitive evidence.", "findings": [ { "id": "cadmium-tungstate-identification", "name": "Cadmium tungstate identification", "description": "Record the evidence supporting CdWO4 identity and distinguish it from other tungstates and precursor mixtures.", "questions": [ { "text": "Which analytical evidence establishes CdWO4 rather than merely the presence of cadmium, tungsten and oxygen?", "kind": "definition", "id": "cadmium-tungstate-identification-q01" }, { "text": "Which authoritative records verify the CAS, PubChem and EC identifiers, and do their identity boundaries match this material?", "kind": "provenance", "id": "cadmium-tungstate-identification-q02" } ] } ] }, { "id": "lot-composition-qualifications", "name": "Lot composition qualifications", "description": "Describe compositional differences that can affect interpretation and use.", "findings": [ { "id": "purity-dopants-and-isotopes", "name": "Purity, dopants and isotopes", "description": "Keep measured impurities, deliberate additions and isotope specifications attached to the material lot.", "questions": [ { "text": "What purity, Cd:W ratio and impurity concentrations were measured, using which methods and detection limits?", "kind": "measurement", "id": "purity-dopants-and-isotopes-q01" }, { "text": "Are dopants or isotope enrichment specified, and what compositional change would place the specimen outside the cadmium tungstate identity boundary?", "kind": "boundary", "id": "purity-dopants-and-isotopes-q02" } ] } ] } ] }, { "id": "crystal-form-and-condition", "name": "Crystal form and condition", "description": "Represent the material's phase constitution, morphology and current physical condition.", "rationale": "Powder, a damaged crystal and an optically qualified single crystal cannot be treated as equivalent material states.", "layers": [ { "id": "structure-and-morphology", "name": "Structure and morphology", "description": "Describe crystal structure and physical form through specimen-specific observations.", "findings": [ { "id": "phase-crystallinity-and-form", "name": "Phase, crystallinity and form", "description": "Record identified phases, crystallinity, orientation where relevant, and dimensions or particle sizes.", "questions": [ { "text": "Which crystal structure and secondary phases are supported by diffraction or other phase-sensitive measurements at the recorded conditions?", "kind": "measurement", "id": "phase-crystallinity-and-form-q01" }, { "text": "Is the specimen powder, polycrystalline material or a single crystal, and which dimensions, particle sizes or crystal orientations matter for its use?", "kind": "boundary", "id": "phase-crystallinity-and-form-q02" } ] } ] }, { "id": "integrity-and-state-changes", "name": "Integrity and state changes", "description": "Track defects and changes following processing, storage or exposure.", "findings": [ { "id": "damage-and-thermal-history", "name": "Damage and thermal history", "description": "Attach cracks, inclusions, surface changes and thermal observations to the specimen and its history.", "questions": [ { "text": "What cracks, inclusions, discoloration or surface contamination are observed, and how were they assessed?", "kind": "measurement", "id": "damage-and-thermal-history-q01" }, { "text": "Which measured thermal or chemical changes constrain further heating, annealing, cutting or polishing of this lot?", "kind": "action", "id": "damage-and-thermal-history-q02" } ] } ] } ] }, { "id": "optical-and-scintillation-qualification", "name": "Optical and scintillation qualification", "description": "Connect material measurements to an explicitly defined optical or radiation-detection use.", "rationale": "Reported light output and timing depend on both the cadmium tungstate specimen and the conditions used to measure it.", "layers": [ { "id": "optical-transport", "name": "Optical transport", "description": "Assess how the specimen transmits light across relevant wavelengths and paths.", "findings": [ { "id": "transmission-and-optical-condition", "name": "Transmission and optical condition", "description": "Record wavelength-dependent transmission and separate material effects from geometry and surface preparation.", "questions": [ { "text": "What transmission or absorption spectrum was measured, with what path length, temperature, orientation and surface finish?", "kind": "measurement", "id": "transmission-and-optical-condition-q01" }, { "text": "Which observed losses are attributable to the cadmium tungstate specimen, and which arise from coatings, coupling or measurement optics?", "kind": "boundary", "id": "transmission-and-optical-condition-q02" } ] } ] }, { "id": "radiation-response", "name": "Radiation response", "description": "Characterise scintillation output and temporal response under explicit excitation and readout conditions.", "findings": [ { "id": "scintillation-performance-evidence", "name": "Scintillation performance evidence", "description": "Record light yield, emission spectrum, decay behaviour and any measured afterglow without treating detector results as universal material constants.", "questions": [ { "text": "What light yield, emission spectrum, decay components and afterglow were measured for which radiation type, energy and temperature?", "kind": "measurement", "id": "scintillation-performance-evidence-q01" }, { "text": "Which reference standard, readout calibration and acceptance criteria justify using this lot in the intended detector?", "kind": "action", "id": "scintillation-performance-evidence-q02" } ] } ] } ] }, { "id": "handling-processing-and-end-of-life", "name": "Handling, processing and end of life", "description": "Link material form and proposed operations to verified exposure controls and disposition requirements.", "rationale": "The cadmium constituent makes the evidence for dust, residue and waste handling central to decisions about working with this material.", "layers": [ { "id": "hazard-and-operation-evidence", "name": "Hazard and operation evidence", "description": "Determine which hazard information and controls apply to the actual form and proposed operation.", "findings": [ { "id": "cadmium-related-handling-constraints", "name": "Cadmium-related handling constraints", "description": "Connect the material's safety documentation to handling intact crystals, powders and processing residues.", "questions": [ { "text": "Which current safety data sheet and jurisdiction-specific classification apply to this cadmium tungstate lot and physical form?", "kind": "provenance", "id": "cadmium-related-handling-constraints-q01" }, { "text": "What exposure limits and controls apply when the proposed operation can generate cadmium-containing dust, slurry or heated emissions?", "kind": "action", "id": "cadmium-related-handling-constraints-q02" } ] } ] }, { "id": "storage-recovery-and-disposal", "name": "Storage, recovery and disposal", "description": "Maintain containment and determine acceptable destinations for material and residues.", "findings": [ { "id": "material-and-residue-disposition", "name": "Material and residue disposition", "description": "Treat unused material, broken crystals, powders and polishing residues according to their documented composition and contamination.", "questions": [ { "text": "Which storage conditions, segregation requirements and container practices are supported by the applicable material documentation?", "kind": "action", "id": "material-and-residue-disposition-q01" }, { "text": "Which authorised recovery or disposal route accepts the specific cadmium tungstate material or residue, including any additional contamination?", "kind": "action", "id": "material-and-residue-disposition-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This account is recalled knowledge, without consulted sources; numerical properties are approximate.", "Verify CAS, EC and PubChem identifiers and jurisdiction-specific hazard classifications before adding them.", "Optical performance depends on purity, defects, temperature and excitation conditions; isotope enrichment must specify which isotope is enriched." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of cadmium tungstate 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": [ "Undoped scintillator single crystals", "Doped crystals", "Isotopically enriched crystals for rare-event experiments", "Polycrystalline powders" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of cadmium tungstate 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": "Chemical formula", "value_or_pattern": "CdWO4", "note": "Stoichiometric cadmium tungstate contains cadmium(II) and tungsten(VI)." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of cadmium tungstate 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": [ "Scintillation detectors for X-rays and gamma rays", "X-ray computed tomography and industrial inspection detector assemblies", "Double-beta-decay research using cadmium-containing scintillator crystals" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of cadmium tungstate this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "quantity": "Density", "typical_range": "Approximately 7.9", "unit": "g/cm³" }, { "quantity": "Scintillation emission peak wavelength", "typical_range": "Approximately 480", "unit": "nm" }, { "quantity": "Principal scintillation decay time near room temperature", "typical_range": "Approximately 10-20; depends on sample and measurement conditions", "unit": "µs" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of cadmium tungstate 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": [ "Cadmium content requires controls on dust generation, ingestion, inhalation and waste disposal; exact hazard classification should be checked for the supplied material.", "Brittle crystals can crack or chip during machining, handling or thermal stress.", "Relatively slow scintillation can cause overlapping pulses at high counting rates.", "Impurities and crystal defects can reduce light output and optical transmission.", "Trace radioactive contamination can limit performance in rare-event experiments." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of cadmium tungstate 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": "Calcium tungstate", "difference": "CaWO4 contains calcium instead of cadmium and normally has the scheelite structure rather than the wolframite structure." }, { "name": "Zinc tungstate", "difference": "ZnWO4 contains zinc instead of cadmium; both are wolframite-type scintillating compounds." }, { "name": "Cadmium molybdate", "difference": "CdMoO4 contains molybdenum instead of tungsten." }, { "name": "Cadmium tungstate detector", "difference": "The detector is an assembled device incorporating the material, optical coupling, a light sensor and readout components." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of cadmium tungstate this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative identity records establish the correct CAS, PubChem and EC identifiers and their coverage of doped or isotopically enriched cadmium tungstate?", "Which reference measurements establish crystal structure, density and thermal behaviour, and under what conditions do reported transitions represent melting, decomposition or another change?", "What application-specific purity, impurity and crystal-defect thresholds support meaningful cadmium tungstate grade distinctions?", "Which comparable primary measurements establish scintillation yield, emission, decay, afterglow and stability, including intrinsic radioactive background where relevant to the intended use?", "Which current hazard classifications, exposure limits and waste requirements apply to cadmium tungstate in each intended jurisdiction and physical form?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 15, "questions": 23 } }