{ "model": { "rank": 3154, "code": "thing-q80877", "model_id": "vr.tr.nuclear-reactor", "name": "nuclear reactor", "purpose": "Let an agent explain how nuclear reactors work and the main types, relay safety, regulation and statistics from official sources, present debates about nuclear power with attribution, and keep to general engineering description without design or security-sensitive detail.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q80877/", "tier": 2, "score": 90, "payload": { "layer": "wikidata", "aliases": [ "Zero power critical", "nuclear power reactor", "supercritical water reactor", "Nuclear microreactor", "IPWR-900", "Magnox", "advanced thermal reactor", "fission reactor", "fusion reactor", "Generation I reactor", "channel type reactor", "graphite moderated reactor", "Gaseous fission reactor", "thermal-neutron reactor", "OK-900 reactor", "Generation II reactor", "homogeneous nuclear reactor", "OK-150 reactor", "dual fluid reactor", "energy amplifier", "training reactor", "first generation nuclear reactor", "liquid metal cooled reactor", "Stable Salt Reactor", "gas-cooled reactor", "atomic engine", "atomic pile", "Systems for Nuclear Auxiliary Power", "advanced gas-cooled reactor", "organic nuclear reactor", "Fixed Bed Nuclear Reactor", "heterogeneous nuclear reactor", "Godiva device", "aqueous homogeneous reactor", "B&W mPower", "thorium reactor", "breeder reactor", "Generation IV reactor", "CAP1400", "Nuclear fusion-fission hybrid" ], "aliasCount": 87, "merged": 87, "knownIn": 90, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q80877", "url": "https://www.wikidata.org/wiki/Q80877", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T22:52:19Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 3, "engine": "claude" }, "metaModel": { "id": "THING-Q80877", "registryId": "vr.tr.nuclear-reactor", "name": "nuclear reactor", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q80877/", "model": { "registry_id": "vr.tr.nuclear-reactor", "name": "nuclear reactor", "purpose": "Let an agent explain how nuclear reactors work and the main types, relay safety, regulation and statistics from official sources, present debates about nuclear power with attribution, and keep to general engineering description without design or security-sensitive detail.", "definition": "A device that initiates and controls a sustained nuclear fission chain reaction, using fuel such as uranium or plutonium, a moderator in thermal reactors, control rods and a coolant, to produce heat for electricity generation, propulsion, research or isotope production; reactor types include pressurised and boiling water reactors, gas-cooled designs such as Magnox, heavy water, fast and advanced concepts such as supercritical water reactors and microreactors, and reactors are licensed and inspected under national and international safety regimes.", "what_it_is_for": "Producing heat for electricity, propulsion, research and isotopes.", "affordances": [ "explain principles and types", "relay safety and regulatory frameworks", "relay statistics from official sources", "present debates with attribution" ], "distinguishing_features": [ "Controlled fission", "Moderator and coolant design", "Containment and safety systems", "Strict licensing" ], "appearance": "A reactor vessel within a containment building, with cooling systems and, at power plants, turbine halls and cooling towers.", "visual_identification": [ "Controlled fission chain reaction", "Power, research and propulsion types", "Nuclear weapons use uncontrolled reactions; fusion reactors are experimental and different" ], "physical_properties": [ { "quantity": "power reactors operating worldwide", "typical_range": "about 410-440", "unit": "count", "note": "per IAEA, recent years" }, { "quantity": "share of world electricity", "typical_range": "about 9-10", "unit": "percent", "note": "recent years" } ], "families_and_kinds": [ "pressurised and boiling light water reactors", "heavy water reactors such as CANDU", "gas-cooled reactors including Magnox and advanced gas-cooled designs", "fast reactors", "research and zero-power critical assemblies", "advanced concepts: small modular reactors, microreactors, supercritical water and molten salt designs", "naval propulsion reactors" ], "related_models": [ { "relation": "is a kind of", "target": "nuclear facility", "why": "in registry terms" }, { "relation": "is a kind of", "target": "heat source", "why": "in registry terms" }, { "relation": "is part of", "target": "nuclear power plant", "why": "when used for electricity" }, { "relation": "is regulated by", "target": "nuclear regulatory authority", "why": "by country" } ], "identifiers": [ { "scheme": "IAEA PRIS", "value_or_pattern": "reactor identifiers", "note": "Power Reactor Information System" } ], "standards_and_regulation": [ "IAEA safety standards and safeguards", "National nuclear regulatory licensing", "Convention on Nuclear Safety", "Non-proliferation treaty obligations" ], "failure_modes_and_hazards": [ "Accidents such as Three Mile Island, Chernobyl and Fukushima", "Radioactive waste management", "Proliferation concerns", "Agents giving design or security-sensitive detail" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "How reactors work.", "rationale": "Science.", "layers": [ { "id": "principle", "name": "Principle", "description": "Principles.", "findings": [ { "id": "principle-finding", "name": "Principle", "description": "Principle.", "questions": [ { "text": "How does a reactor sustain and control a chain reaction, in general terms?", "kind": "definition" }, { "text": "Is the presentation free of design or security-sensitive detail?", "kind": "boundary" } ] } ] }, { "id": "types", "name": "Types", "description": "Types.", "findings": [ { "id": "types-finding", "name": "Types", "description": "Types.", "questions": [ { "text": "What reactor types exist, and how do they differ in fuel, moderator and coolant?", "kind": "definition" }, { "text": "Which entry fits the specific type?", "kind": "action" } ] } ] } ] }, { "id": "safety", "name": "Safety", "description": "Safety and regulation.", "rationale": "Regulation.", "layers": [ { "id": "safety", "name": "Safety", "description": "Safety systems.", "findings": [ { "id": "safety-finding", "name": "Safety", "description": "Safety.", "questions": [ { "text": "What safety principles and systems apply, and what did major accidents change?", "kind": "provenance" }, { "text": "Which entry fits nuclear safety?", "kind": "action" } ] } ] }, { "id": "regulation", "name": "Regulation", "description": "Licensing and safeguards.", "findings": [ { "id": "regulation-finding", "name": "Regulation", "description": "Regulation.", "questions": [ { "text": "How are reactors licensed, inspected and safeguarded nationally and by the IAEA?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] } ] }, { "id": "use", "name": "Use", "description": "Uses and statistics.", "rationale": "Sources.", "layers": [ { "id": "power", "name": "Power", "description": "Power generation.", "findings": [ { "id": "power-finding", "name": "Power", "description": "Power.", "questions": [ { "text": "How many reactors operate and are under construction, and what share of electricity do they supply, with sources?", "kind": "measurement" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] }, { "id": "other", "name": "Other", "description": "Research and propulsion.", "findings": [ { "id": "other-finding", "name": "Other", "description": "Other.", "questions": [ { "text": "How are research, isotope production and propulsion reactors used?", "kind": "provenance" }, { "text": "Which entry fits research reactor?", "kind": "action" } ] } ] } ] }, { "id": "debate", "name": "Debate", "description": "Debate and future.", "rationale": "Attribution.", "layers": [ { "id": "debate", "name": "Debate", "description": "Nuclear power debate.", "findings": [ { "id": "debate-finding", "name": "Debate", "description": "Debate.", "questions": [ { "text": "What positions exist on nuclear power, waste and risk, with attribution?", "kind": "provenance" }, { "text": "Is the presentation neutral?", "kind": "boundary" } ] } ] }, { "id": "future", "name": "Future", "description": "Advanced reactors.", "findings": [ { "id": "future-finding", "name": "Future", "description": "Future.", "questions": [ { "text": "What advanced designs are in development, and what is their status, with sources?", "kind": "provenance" }, { "text": "Which entry fits small modular reactor?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should each reactor type be a separate entry?", "How should IAEA data be linked?", "The registry entry has merged aliases naming specific designs; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "device, machine or tool", "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 nuclear reactor, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain how nuclear reactors work and the main types, relay safety, regulation and statistics from official sources, present debates about nuclear power with attribution, and keep to general engineering description without design or security-sensitive detail.", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Zero power critical, nuclear power reactor, supercritical water reactor, Nuclear microreactor, IPWR-900, Magnox, advanced thermal reactor, fission reactor, fusion reactor, Generation I reactor, channel type reactor, graphite moderated reactor.", "87 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 90 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 nuclear reactor, 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" ], "howItIsRecognised": [ "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things." ], "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": [ "Zero power critical", "nuclear power reactor", "supercritical water reactor", "Nuclear microreactor", "IPWR-900", "Magnox", "advanced thermal reactor", "fission reactor", "fusion reactor", "Generation I reactor", "channel type reactor", "graphite moderated reactor" ] } ], "standing": "Described in 90 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 87 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 nuclear reactor from another, and a nuclear reactor 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 nuclear reactor, 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 nuclear reactor, 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 nuclear reactor 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 nuclear reactor, 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 nuclear reactor, 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 nuclear reactor 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 nuclear reactor 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 nuclear reactor, 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 nuclear reactor, 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 nuclear reactor 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 nuclear reactor from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a nuclear reactor, 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 nuclear reactor, 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 nuclear reactor 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 nuclear reactor 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 nuclear reactor, 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 nuclear reactor, 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 nuclear reactor 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 nuclear reactor is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a nuclear reactor, 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 nuclear reactor, 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 nuclear reactor 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 nuclear reactor is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a nuclear reactor, 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 nuclear reactor, 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 nuclear reactor 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 nuclear reactor 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 nuclear reactor is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a nuclear reactor, 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 nuclear reactor, 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 nuclear reactor 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 nuclear reactor 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 nuclear reactor, 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 nuclear reactor, 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 nuclear reactor 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 nuclear reactor 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 nuclear reactor between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a nuclear reactor, 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 nuclear reactor, 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 nuclear reactor 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 nuclear reactor, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a nuclear reactor 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 nuclear reactor, 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 nuclear reactor, 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 nuclear reactor is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "function-and-principle", "name": "Function and operating principle", "description": "What nuclear reactor is for and how it achieves it.", "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.", "layers": [ { "id": "intended-function", "name": "Intended function", "description": "The job it does, and the jobs it is used for anyway.", "findings": [ { "id": "function-record", "name": "Function, principle and variants", "description": "What it does, how, and which variants do it differently.", "questions": [ { "id": "function-record-q01", "text": "What function does nuclear reactor perform, on what operating principle, and which variants differ in that principle?", "kind": "definition" }, { "id": "function-record-q02", "text": "What use falls outside the intended function but happens in practice?", "kind": "boundary" } ] } ] }, { "id": "capacity-and-rating", "name": "Capacity and rating", "description": "The numbers that say what it can do and where it stops.", "findings": [ { "id": "ratings", "name": "Ratings and their conditions", "description": "Rated capacity, power, throughput and the conditions each assumes.", "questions": [ { "id": "ratings-q01", "text": "What ratings characterise nuclear reactor, in what units, and under what stated conditions?", "kind": "measurement" }, { "id": "ratings-q02", "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?", "kind": "action" } ] } ] } ] }, { "id": "operation-and-state", "name": "Operation, controls and state", "description": "How nuclear reactor is operated and what state it is in right now.", "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.", "layers": [ { "id": "controls-and-modes", "name": "Controls and modes", "description": "What can be set, what that changes, and what is interlocked.", "findings": [ { "id": "control-surface", "name": "Control surface and interlocks", "description": "The settings available and the conditions that block them.", "questions": [ { "id": "control-surface-q01", "text": "What controls and modes does nuclear reactor have, and what does each change?", "kind": "definition" }, { "id": "control-surface-q02", "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?", "kind": "action" } ] } ] }, { "id": "condition-and-maintenance", "name": "Condition and maintenance", "description": "Wear, service intervals, consumables and the line between working and broken.", "findings": [ { "id": "service-record", "name": "Condition, service and consumables", "description": "What is consumed, what is serviced, and how condition is judged.", "questions": [ { "id": "service-record-q01", "text": "What consumables and service does nuclear reactor need, at what interval, and on whose authority?", "kind": "measurement" }, { "id": "service-record-q02", "text": "What evidence separates a unit that is working from one that is out of service?", "kind": "boundary" } ] } ] } ] }, { "id": "kind-model-unit", "name": "Kind, model and unit", "description": "Whether a claim about nuclear reactor is about the kind, a product line, or one physical unit.", "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.", "layers": [ { "id": "level-of-reference", "name": "Level of reference", "description": "The three levels and what belongs at each.", "findings": [ { "id": "level-rules", "name": "What belongs to kind, model and unit", "description": "Which properties are shared by all of them and which are not.", "questions": [ { "id": "level-rules-q01", "text": "Which facts about nuclear reactor hold for every one of them, which for a model, and which only for one unit?", "kind": "boundary" }, { "id": "level-rules-q02", "text": "What identifies an individual unit, and what should an agent do when it has only the kind?", "kind": "action" } ] } ] }, { "id": "standards-and-conformity", "name": "Standards and conformity", "description": "The standards a working example must meet and who attests it.", "findings": [ { "id": "conformity", "name": "Standards, marks and attestation", "description": "Which standard applies, who certifies, and what the mark means.", "questions": [ { "id": "conformity-q01", "text": "Which standards govern nuclear reactor, issued by whom, and what does conformity actually assert?", "kind": "provenance" }, { "id": "conformity-q02", "text": "What may an agent conclude from a certification mark, and what may it not?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a nuclear reactor 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 nuclear reactor and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a nuclear reactor, 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 nuclear reactor, 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 nuclear reactor 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 nuclear reactor is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a nuclear reactor, 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 nuclear reactor, 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 nuclear reactor is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 8, "layers": 17, "findings": 19, "questions": 51 } } } }