{
    "model": {
        "rank": 6339,
        "code": "thing-q185252",
        "model_id": "vr.tr.radioactive-waste",
        "name": "radioactive waste",
        "purpose": "Enable an AI agent to recognise radioactive waste, assess its radiological and material state, and identify management actions supported by evidence and applicable authorisations.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q185252/",
        "tier": 2,
        "score": 61,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "intermediate level waste",
                "spent nuclear fuel",
                "transuranic waste",
                "high level waste",
                "low-level waste"
            ],
            "aliasCount": 5,
            "merged": 5,
            "knownIn": 61,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.radioactive-waste",
            "source": {
                "dataset": "wikidata",
                "item": "Q185252",
                "url": "https://www.wikidata.org/wiki/Q185252",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T13:52:28Z",
                "providers": [
                    "Codex",
                    "Grok"
                ],
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": 0.00244324,
                        "turns": 1,
                        "seconds": 24.4,
                        "error": null
                    },
                    "codex": {
                        "seconds": 88,
                        "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: 01a07c22-f40a-7461-ad3a-98ac9733e925\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: radioactive waste\nRegistry id: vr.tr.radioactive-waste\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entr"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q185252",
                "registryId": "vr.tr.radioactive-waste",
                "name": "radioactive waste",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.MAT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q185252/",
            "model": {
                "registry_id": "vr.tr.radioactive-waste",
                "name": "radioactive waste",
                "purpose": "Enable an AI agent to recognise radioactive waste, assess its radiological and material state, and identify management actions supported by evidence and applicable authorisations.",
                "definition": "Radioactive waste is material, in any physical form, that contains or is contaminated with radionuclides at concentrations or activities greater than clearance levels set by the regulatory body, and for which no further use is foreseen.",
                "scope_statement": "This model owns the identity, characterisation, condition, containment relationships and management eligibility of an identifiable quantity of radioactive waste, distinguishing the waste itself from its container, storage location and responsible organisations.",
                "in_scope": [
                    "The material boundary, origin and basis for designating a quantity as radioactive waste",
                    "Radionuclide inventory, activity, physical form and relevant chemical or biological hazards",
                    "Waste condition, treatment history and relationships to containers and waste packages",
                    "Waste-specific exposure, release and deterioration concerns",
                    "Evidence and constraints governing storage, treatment, transfer, clearance and disposal eligibility"
                ],
                "out_of_scope": [
                    "Design, operation and licensing of treatment plants, storage facilities and disposal facilities",
                    "Engineering specifications and certification of containers and transport packages",
                    "Nuclear reactor operation and fuel-cycle production",
                    "Individual radiation exposure records and medical management",
                    "Organisational competence, staffing and emergency-response programmes",
                    "Environmental contamination plumes and remediation sites beyond the bounded waste quantity"
                ],
                "distinguishing_features": [
                    "Record evidence that the material contains radionuclides; a radiation-emitting device without radioactive material does not qualify on that basis alone.",
                    "Establish that the material has been designated as waste under an identified decision framework; radioactive material still assigned an authorised use is not automatically waste.",
                    "Distinguish the waste quantity from the container or package holding it, including whether the container itself has become waste.",
                    "For spent fuel, disused sealed sources and naturally occurring radioactive material, require an explicit waste-status determination rather than inferring status from the material name.",
                    "Distinguish an identified waste quantity from surrounding contaminated land, structures or water, recording the boundary and any extraction or segregation that created it."
                ],
                "characteristics": [
                    {
                        "name": "Waste designation",
                        "kind": "state",
                        "unit_or_values": "Undetermined, designated waste, designation under review, or designation ended; with decision basis and date",
                        "why_it_matters": "Prevents radioactivity alone from being treated as sufficient evidence of waste status."
                    },
                    {
                        "name": "Waste quantity and boundary",
                        "kind": "measurement",
                        "unit_or_values": "Mass in kg, volume in m³, or item count as appropriate; with inclusions, exclusions and uncertainty",
                        "why_it_matters": "Defines what the assessment covers and supports reconciliation after splitting, blending or processing."
                    },
                    {
                        "name": "Radionuclide inventory",
                        "kind": "measurement",
                        "unit_or_values": "Radionuclide identities and activities in Bq at a stated reference time; measured, calculated and unknown components distinguished",
                        "why_it_matters": "Supports evaluation of radiological hazards and changes over time."
                    },
                    {
                        "name": "Activity concentration",
                        "kind": "measurement",
                        "unit_or_values": "Bq/kg or Bq/m³ with radionuclide, sampling basis, reference time and uncertainty",
                        "why_it_matters": "Allows comparison with criteria only when averaging and measurement bases are compatible."
                    },
                    {
                        "name": "External radiation field",
                        "kind": "measurement",
                        "unit_or_values": "Specified dose-rate quantity in Sv/h or a suitable submultiple, with distance, geometry, shielding and measurement time",
                        "why_it_matters": "Supports handling assessments without confusing measured radiation outside a package with its total radioactive inventory."
                    },
                    {
                        "name": "Physical form",
                        "kind": "category",
                        "unit_or_values": "Solid item, powder, sludge, liquid, gas, heterogeneous mixture, or other described form",
                        "why_it_matters": "Influences dispersibility, sampling, containment and treatment options."
                    },
                    {
                        "name": "Non-radiological hazards",
                        "kind": "category",
                        "unit_or_values": "Identified chemical, biological and physical hazards; assessed absent or unknown where appropriate",
                        "why_it_matters": "Avoids selecting a radiologically acceptable action that is incompatible with other material hazards."
                    },
                    {
                        "name": "Decay heat",
                        "kind": "measurement",
                        "unit_or_values": "W at a stated reference time, with measurement or calculation basis; unknown or assessed not relevant permitted",
                        "why_it_matters": "Identifies whether heat generation constrains containment, storage or subsequent management."
                    },
                    {
                        "name": "Fissile content",
                        "kind": "measurement",
                        "unit_or_values": "Mass in g or kg by relevant isotope, with uncertainty and distribution evidence; unknown explicitly retained",
                        "why_it_matters": "Identifies quantities requiring a competent criticality assessment rather than assuming all radioactive waste presents the same hazard."
                    },
                    {
                        "name": "Waste classification",
                        "kind": "category",
                        "unit_or_values": "Class label paired with classification system, version, jurisdiction and supporting determination",
                        "why_it_matters": "Prevents class names from being interpreted as universal permissions or interchangeable categories."
                    },
                    {
                        "name": "Containment and conditioning",
                        "kind": "relation",
                        "unit_or_values": "Links to enclosing containers, waste packages and conditioning materials, with current condition evidence",
                        "why_it_matters": "Separates intrinsic waste properties from protection provided by its current configuration."
                    },
                    {
                        "name": "Management-route eligibility",
                        "kind": "state",
                        "unit_or_values": "Not assessed, evidence incomplete, criteria met, criteria not met, or determination expired; separately for each proposed route",
                        "why_it_matters": "Makes eligibility specific to an action, destination and current evidence."
                    }
                ],
                "affordances": [
                    "Assemble a dated characterisation record and flag unknown constituents or unrepresentative sampling.",
                    "Track waste quantities through segregation, treatment and conditioning while preserving links to predecessor and resulting quantities.",
                    "Compare documented waste properties with identified route or destination criteria and report unresolved mismatches.",
                    "Identify when changed conditions or ageing evidence require reassessment by a competent person.",
                    "Propose management options for authorised review, including continued storage, treatment, transfer or disposal.",
                    "Record an authorised status change, including clearance where applicable, together with its evidence and precise material boundary."
                ]
            },
            "sources": [
                {
                    "id": "iaea-gsg-1",
                    "title": "Classification of Radioactive Waste, IAEA Safety Standards Series No. GSG-1",
                    "url": "https://www-pub.iaea.org/MTCD/Publications/PDF/Pub1419_web.pdf",
                    "what_it_supports": "International classification scheme (exempt, VSLW, VLLW, LLW, ILW, HLW) and the definition of radioactive waste as material containing radionuclides above clearance levels with no further use foreseen.",
                    "url_status": "live"
                }
            ],
            "structure": {
                "bundles": [
                    {
                        "id": "waste-identity-and-designation",
                        "name": "Waste identity and designation",
                        "description": "Establishes which material is being modelled and why it is treated as radioactive waste.",
                        "rationale": "Radioactivity, lack of current use and formal waste designation are related but distinct facts.",
                        "layers": [
                            {
                                "id": "material-boundary",
                                "name": "Material boundary",
                                "description": "Defines the waste quantity independently of its packaging and location.",
                                "findings": [
                                    {
                                        "id": "bounded-waste-quantity",
                                        "name": "Bounded waste quantity",
                                        "description": "An assessment must identify the material it covers, including heterogeneous constituents and excluded surroundings.",
                                        "questions": [
                                            {
                                                "text": "Which items or material quantities constitute this waste, and what mass, volume or count describes them?",
                                                "kind": "definition",
                                                "id": "bounded-waste-quantity-q01"
                                            },
                                            {
                                                "text": "Are packaging, associated liquids and contaminated attachments included in this quantity or represented separately?",
                                                "kind": "boundary",
                                                "id": "bounded-waste-quantity-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "designation-and-origin",
                                "name": "Designation and origin",
                                "description": "Connects waste status to its origin and an attributable determination.",
                                "findings": [
                                    {
                                        "id": "waste-status-basis",
                                        "name": "Waste-status basis",
                                        "description": "The record must separate the material's history from the decision assigning it waste status.",
                                        "questions": [
                                            {
                                                "text": "What process, activity or decommissioning event generated this material?",
                                                "kind": "provenance",
                                                "id": "waste-status-basis-q01"
                                            },
                                            {
                                                "text": "Who designated it as waste, when, and under which decision framework, including any unresolved intended reuse?",
                                                "kind": "definition",
                                                "id": "waste-status-basis-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "radiological-characterisation",
                        "name": "Radiological characterisation",
                        "description": "Captures radioactive constituents, measurement limitations and time-dependent assessments.",
                        "rationale": "A waste label or external dose-rate reading cannot substitute for an adequately supported radionuclide inventory.",
                        "layers": [
                            {
                                "id": "inventory-and-evidence",
                                "name": "Inventory and evidence",
                                "description": "Associates radionuclide estimates with their reference times and evidence.",
                                "findings": [
                                    {
                                        "id": "supported-radionuclide-inventory",
                                        "name": "Supported radionuclide inventory",
                                        "description": "Inventory estimates must distinguish measured results, inferred values, detection limits and uncharacterised fractions.",
                                        "questions": [
                                            {
                                                "text": "Which radionuclides and activities are established, at what reference time, and by which measurements or calculations?",
                                                "kind": "measurement",
                                                "id": "supported-radionuclide-inventory-q01"
                                            },
                                            {
                                                "text": "Which constituents or regions remain uncharacterised, and how representative are the samples or assay geometry?",
                                                "kind": "boundary",
                                                "id": "supported-radionuclide-inventory-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-radiological-hazards",
                                "name": "Time and radiological hazards",
                                "description": "Records the radiological properties relevant to the current waste configuration and assessment date.",
                                "findings": [
                                    {
                                        "id": "dated-hazard-assessment",
                                        "name": "Dated hazard assessment",
                                        "description": "Radiation fields, heat generation and fissile-content concerns require explicit evidence and applicability determinations.",
                                        "questions": [
                                            {
                                                "text": "What evidence establishes external radiation fields, decay heat and relevant fissile content for the present configuration?",
                                                "kind": "measurement",
                                                "id": "dated-hazard-assessment-q01"
                                            },
                                            {
                                                "text": "What assessment accounts for radioactive decay and daughter ingrowth when projecting properties to the next management decision?",
                                                "kind": "provenance",
                                                "id": "dated-hazard-assessment-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "material-behaviour-and-conditioning",
                        "name": "Material behaviour and conditioning",
                        "description": "Describes how the waste's form and composition affect stability and processing.",
                        "rationale": "Management choices depend on how the material behaves as well as how radioactive it is.",
                        "layers": [
                            {
                                "id": "form-and-coexisting-hazards",
                                "name": "Form and coexisting hazards",
                                "description": "Identifies material properties that affect dispersal, compatibility and treatment.",
                                "findings": [
                                    {
                                        "id": "waste-form-and-reactivity",
                                        "name": "Waste form and reactivity",
                                        "description": "The record must capture relevant free liquids, particulates, reactive constituents and non-radiological hazards without assuming their absence.",
                                        "questions": [
                                            {
                                                "text": "What physical phases, free-liquid content and dispersible fractions are present, and how were they established?",
                                                "kind": "measurement",
                                                "id": "waste-form-and-reactivity-q01"
                                            },
                                            {
                                                "text": "Which constituents constrain compatibility because of chemical toxicity, corrosivity, flammability, biological hazards or gas-generation potential?",
                                                "kind": "boundary",
                                                "id": "waste-form-and-reactivity-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "processing-and-resulting-form",
                                "name": "Processing and resulting form",
                                "description": "Preserves the effects and material lineage of treatment and conditioning.",
                                "findings": [
                                    {
                                        "id": "conditioned-waste-lineage",
                                        "name": "Conditioned waste lineage",
                                        "description": "A changed waste form must retain links to its inputs, processing evidence and resulting waste streams.",
                                        "questions": [
                                            {
                                                "text": "Which treatments or conditioning steps were performed, and what evidence describes the resulting material form?",
                                                "kind": "provenance",
                                                "id": "conditioned-waste-lineage-q01"
                                            },
                                            {
                                                "text": "How were radionuclides and material quantities reconciled across the main output, secondary wastes and any documented releases?",
                                                "kind": "measurement",
                                                "id": "conditioned-waste-lineage-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "containment-and-current-condition",
                        "name": "Containment and current condition",
                        "description": "Relates the waste to its present barriers and observed signs of deterioration or release.",
                        "rationale": "The same waste can present different management constraints when its containment or condition changes.",
                        "layers": [
                            {
                                "id": "barriers-and-release-pathways",
                                "name": "Barriers and release pathways",
                                "description": "Distinguishes the waste matrix from external containment and shielding.",
                                "findings": [
                                    {
                                        "id": "current-containment-configuration",
                                        "name": "Current containment configuration",
                                        "description": "The waste record must identify the barriers currently relied upon and the evidence supporting that reliance.",
                                        "questions": [
                                            {
                                                "text": "Which waste matrix, containers and package components currently provide immobilisation, containment or shielding?",
                                                "kind": "boundary",
                                                "id": "current-containment-configuration-q01"
                                            },
                                            {
                                                "text": "What observations establish leakage, removable contamination or possible pathways for release from this waste quantity?",
                                                "kind": "measurement",
                                                "id": "current-containment-configuration-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-reassessment",
                                "name": "Condition and reassessment",
                                "description": "Connects observed changes to the validity of previous assessments.",
                                "findings": [
                                    {
                                        "id": "condition-change-significance",
                                        "name": "Condition-change significance",
                                        "description": "Changes in the waste or its immediate containment must be evaluated against the assumptions supporting continued management.",
                                        "questions": [
                                            {
                                                "text": "What dated evidence records swelling, corrosion, cracking, liquid accumulation, temperature change or other relevant deterioration?",
                                                "kind": "measurement",
                                                "id": "condition-change-significance-q01"
                                            },
                                            {
                                                "text": "Which observed changes or overdue inspections require restrictions or competent reassessment before further handling?",
                                                "kind": "action",
                                                "id": "condition-change-significance-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "management-decisions-and-endpoints",
                        "name": "Management decisions and endpoints",
                        "description": "Connects classification and characterisation to specific proposed actions and destinations.",
                        "rationale": "A classification alone does not establish that a waste quantity meets a particular route's criteria or has permission to proceed.",
                        "layers": [
                            {
                                "id": "classification-and-acceptance",
                                "name": "Classification and acceptance",
                                "description": "Makes each classification and acceptance assessment specific to its governing framework.",
                                "findings": [
                                    {
                                        "id": "framework-specific-eligibility",
                                        "name": "Framework-specific eligibility",
                                        "description": "Eligibility must reference the applicable criteria, their version and the evidence used to assess this quantity.",
                                        "questions": [
                                            {
                                                "text": "Which waste classification system applies, and what documented determination assigns this material to a class?",
                                                "kind": "definition",
                                                "id": "framework-specific-eligibility-q01"
                                            },
                                            {
                                                "text": "For each proposed destination or process, which acceptance criteria are met, unmet or unsupported by sufficient evidence?",
                                                "kind": "boundary",
                                                "id": "framework-specific-eligibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "authorised-actions-and-status-transitions",
                                "name": "Authorised actions and status transitions",
                                "description": "Records what may proceed and what evidence must accompany the resulting transition.",
                                "findings": [
                                    {
                                        "id": "evidenced-management-transition",
                                        "name": "Evidenced management transition",
                                        "description": "Recommendations, technical eligibility, authorisation and completed actions must remain distinguishable.",
                                        "questions": [
                                            {
                                                "text": "What current authorisation and prerequisite evidence support the proposed storage, treatment, transfer, clearance or disposal action?",
                                                "kind": "action",
                                                "id": "evidenced-management-transition-q01"
                                            },
                                            {
                                                "text": "What receipt, completion record or status determination will establish the action's outcome for this precise waste quantity?",
                                                "kind": "provenance",
                                                "id": "evidenced-management-transition-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-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "exempt / very short-lived waste (VSLW)",
                                            "very low-level waste (VLLW)",
                                            "low-level waste (LLW)",
                                            "intermediate-level waste (ILW)",
                                            "high-level waste (HLW)",
                                            "spent nuclear fuel declared as waste",
                                            "naturally occurring radioactive material (NORM) waste",
                                            "mixed waste (radioactive plus hazardous chemical constituents)"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of radioactive waste this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "scheme": "Wikidata",
                                                "value_or_pattern": "Q185451",
                                                "note": "item 'radioactive waste'"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of radioactive waste this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-standards-and-regulation",
                                        "name": "Standards and regulation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "IAEA GSG-1 Classification of Radioactive Waste (IAEA)"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of radioactive waste this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Arises from nuclear power generation, research reactors, medical isotope use, and industrial sealed sources; managed by storage, treatment, and disposal rather than as a product."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of radioactive waste this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "quantity": "activity concentration",
                                                "typical_range": "from clearance levels (typically 0.1-10 Bq/g depending on nuclide) up to 10^16 Bq/g in high-level waste",
                                                "unit": "Bq/g or Bq/kg"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of radioactive waste this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Uncontrolled release of radionuclides to air, water, or soil from failed containment"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of radioactive waste this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "IAEA GSG-1 is the international scheme; national systems (e.g. US NRC Classes A/B/C/GTCC) use different class names and numerical limits"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of radioactive waste this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "name": "spent nuclear fuel still intended for reprocessing",
                                                "difference": "spent fuel is waste only when the owner/regulator declares no further use; otherwise it is a resource, not waste"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of radioactive waste this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does an existing Vercy world model already cover radioactive waste, requiring this registry entry to link to it instead of creating a separate model?",
                "Which authoritative definitions and classification frameworks should the model support, particularly for spent fuel, disused sealed sources and naturally occurring radioactive material?",
                "What minimum characterisation evidence is sufficient for each management decision, and how should unmeasured radionuclides, heterogeneous distributions and uncertainty constrain eligibility?",
                "Where should responsibility divide between this model and neighbouring waste-package, contaminated-material and facility models when barriers or material boundaries change?",
                "Which authoritative sources establish route-specific acceptance, clearance and reassessment criteria, and how should their jurisdiction, version and validity period be maintained?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 18,
                "questions": 28
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "chemical substance or material",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a radioactive waste, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise radioactive waste, assess its radiological and material state, and identify management actions supported by evidence and applicable authorisations.",
            "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: intermediate level waste, spent nuclear fuel, transuranic waste, high level waste, low-level waste.",
                "5 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 61 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 radioactive waste, 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": [
                        "intermediate level waste",
                        "spent nuclear fuel",
                        "transuranic waste",
                        "high level waste",
                        "low-level waste"
                    ]
                }
            ],
            "standing": "Described in 61 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 5 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 radioactive waste from another, and a radioactive waste 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 radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste 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 radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste 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 radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste 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 radioactive waste is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste 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 radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste 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 radioactive waste between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a radioactive waste 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 radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste 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 radioactive waste is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a radioactive waste performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a radioactive waste at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste 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 radioactive waste 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 radioactive waste 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 radioactive waste 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 radioactive waste, 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 radioactive waste 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 radioactive waste 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 radioactive waste 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 radioactive waste, 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 radioactive waste 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 radioactive waste and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a radioactive waste, 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 radioactive waste, 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 radioactive waste 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 radioactive waste is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a radioactive waste, 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 radioactive waste, 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 radioactive waste 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
            }
        }
    }
}