{ "model": { "rank": 3984, "code": "thing-q170477", "model_id": "vr.tr.chimney", "name": "chimney", "purpose": "Enable an agent to recognise a chimney, record its construction and service condition, and determine what evidence is needed before connection, use, inspection, repair or retirement.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q170477/", "tier": 2, "score": 79, "payload": { "layer": "wikidata", "aliases": [ "factory chimneys with water tank", "flue-gas stack", "solar chimney", "Charlie Noble", "Methane chimney" ], "aliasCount": 5, "merged": 5, "knownIn": 79, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q170477", "url": "https://www.wikidata.org/wiki/Q170477", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T19:13:28Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 28.2, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a08795-df4f-7a31-b6d0-d8e1284e28dc\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: chimney\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: 1001 register", "usd": 0, "recall": true }, "codex": { "seconds": 67.1, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a08795-df53-75d2-83bb-d26cd5959523\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: chimney\nRegistry id: vr.tr.chimney\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext " } } }, "metaModel": { "id": "THING-Q170477", "registryId": "vr.tr.chimney", "name": "chimney", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q170477/", "model": { "registry_id": "vr.tr.chimney", "name": "chimney", "purpose": "Enable an agent to recognise a chimney, record its construction and service condition, and determine what evidence is needed before connection, use, inspection, repair or retirement.", "definition": "A chimney is a structure containing one or more flues that convey combustion gases from a fireplace, furnace, boiler or other combustion source to the outdoor atmosphere, usually above roof level.", "scope_statement": "This model owns chimney as a constructed physical structure or assembly containing one or more flues that convey combustion exhaust toward an outdoor discharge, including domestic chimneys and industrial stacks; it distinguishes the chimney assembly from its internal flues, connected appliances and individual installations.", "in_scope": [ "Chimney construction, supporting structure and contained flue arrangement", "Exhaust path from chimney inlet to outdoor terminal", "Interfaces with combustion equipment, building fabric and nearby openings", "Draft, exhaust containment and compatibility with intended service", "Inspection access, deposits, deterioration, repair and operating restrictions" ], "out_of_scope": [ "Combustion appliance design, fuel preparation and burner control", "Whole-building ventilation and heating-system design", "Upstream industrial processes and separate exhaust-treatment equipment", "Standalone flue liners and appliance connectors considered as component kinds", "Natural geological chimneys and ventilation-only shafts" ], "distinguishing_features": [ "Its intended service includes conveying combustion exhaust to an outdoor discharge; a ventilation-only shaft does not meet this scope.", "The chimney is the constructed assembly containing or forming the exhaust passage; a flue is an individual passage within that assembly.", "An appliance connector links combustion equipment to the chimney; it does not by itself identify the complete chimney assembly.", "A roof projection must be traced to its passage and intended service before it is identified as a chimney; appearance alone is insufficient.", "A freestanding industrial exhaust stack falls within scope when its service meets the combustion-exhaust boundary, despite differing from a domestic masonry chimney." ], "characteristics": [ { "name": "Construction system", "kind": "category", "unit_or_values": "Masonry; factory-built metal; cast concrete; composite; other documented construction", "why_it_matters": "Determines which component details, inspection methods and repair evidence are relevant." }, { "name": "Flue arrangement", "kind": "category", "unit_or_values": "Number of flues, passage shapes, separation and inlet allocation", "why_it_matters": "Prevents separate exhaust paths and their connected equipment from being treated as one passage." }, { "name": "Effective rise and passage dimensions", "kind": "measurement", "unit_or_values": "Vertical inlet-to-terminal rise in m; passage dimensions in mm; cross-sectional area in m², each tied to a location", "why_it_matters": "Provides geometric evidence for assessing exhaust transport and equipment compatibility." }, { "name": "Connected combustion equipment", "kind": "relation", "unit_or_values": "Equipment references mapped to chimney inlets and flues, including fuel and operating combinations", "why_it_matters": "Connects chimney requirements to the actual exhaust sources." }, { "name": "Declared service envelope", "kind": "category", "unit_or_values": "Documented fuel, temperature, pressure, condensate and fire-exposure classifications where applicable", "why_it_matters": "Supports comparison between intended duty and construction or product documentation." }, { "name": "Operating pressure difference", "kind": "measurement", "unit_or_values": "Pa, with measurement point, reference pressure, sign convention and operating conditions", "why_it_matters": "Allows draft or pressure behaviour to be interpreted without treating an isolated reading as universal." }, { "name": "Exhaust temperature", "kind": "measurement", "unit_or_values": "°C, with location, equipment load and measurement time", "why_it_matters": "Supports assessment against the documented service envelope." }, { "name": "Clearance and terminal geometry", "kind": "measurement", "unit_or_values": "mm or m to identified combustible materials, roof surfaces, openings and adjacent structures", "why_it_matters": "Makes installation constraints assessable against the applicable requirements." }, { "name": "Passage and containment condition", "kind": "state", "unit_or_values": "Recorded obstruction, deposits, cracking, joint defects, corrosion or leakage; inspected extent and unknown areas", "why_it_matters": "Separates observed condition from assumptions about inaccessible sections." }, { "name": "Service disposition", "kind": "state", "unit_or_values": "Unassessed; accepted for documented service; restricted; isolated; decommissioned", "why_it_matters": "Records what operation is supported by evidence and who established any restrictions." } ], "affordances": [ "Map connected combustion equipment to each inlet, flue and terminal.", "Compare proposed service with documented chimney construction and ratings.", "Plan inspection and cleaning around access points, passage geometry and known deposits.", "Interpret draft, temperature and leakage observations within their test conditions.", "Identify defects requiring competent assessment and record resulting use restrictions.", "Track repairs, relining or changes of appliance through renewed compatibility assessment." ] }, "sources": [], "structure": { "bundles": [ { "id": "chimney-identity-and-boundaries", "name": "Chimney identity and boundaries", "description": "Establishes which physical assembly is the chimney and which exhaust passages and connections it owns.", "rationale": "Chimney, flue, connector and roof projection are easily conflated, producing incorrect boundaries and connection records.", "layers": [ { "id": "assembly-identification", "name": "Assembly identification", "description": "Identifies the constructed chimney and its intended exhaust service.", "findings": [ { "id": "chimney-sense-and-extent", "name": "Chimney sense and extent", "description": "Record evidence that the assembly serves combustion exhaust and identify its physical limits.", "questions": [ { "text": "What evidence identifies this assembly as a combustion-exhaust chimney rather than a ventilation shaft or decorative projection?", "kind": "definition", "id": "chimney-sense-and-extent-q01" }, { "text": "Where does the chimney begin relative to appliance connectors, and which terminal and supporting elements belong to it?", "kind": "boundary", "id": "chimney-sense-and-extent-q02" } ] } ] }, { "id": "flues-and-connections", "name": "Flues and connections", "description": "Separates the chimney assembly into identifiable exhaust passages and equipment interfaces.", "findings": [ { "id": "exhaust-path-allocation", "name": "Exhaust path allocation", "description": "Map each inlet to its flue, connected equipment and discharge point, retaining uncertainty where paths cannot be traced.", "questions": [ { "text": "How many separate flues exist, and which inlets and terminals belong to each?", "kind": "boundary", "id": "exhaust-path-allocation-q01" }, { "text": "Which drawings, inspections or installation records establish the current equipment-to-flue connections?", "kind": "provenance", "id": "exhaust-path-allocation-q02" } ] } ] } ] }, { "id": "construction-and-installation", "name": "Construction and installation", "description": "Records the chimney's passage geometry, materials, support and interfaces with its surroundings.", "rationale": "The exhaust path and surrounding construction jointly determine which installation and repair assessments are needed.", "layers": [ { "id": "passage-and-lining", "name": "Passage and lining", "description": "Describes the flue route and the materials forming its exhaust-contact surfaces.", "findings": [ { "id": "flue-geometry-and-materials", "name": "Flue geometry and materials", "description": "Record rise, section changes, offsets, lining materials and joints for each flue.", "questions": [ { "text": "What are the inlet-to-terminal rise, passage dimensions and locations of offsets or section changes?", "kind": "measurement", "id": "flue-geometry-and-materials-q01" }, { "text": "What evidence establishes the lining material, joint construction and continuity through inaccessible sections?", "kind": "provenance", "id": "flue-geometry-and-materials-q02" } ] } ] }, { "id": "support-and-building-interface", "name": "Support and building interface", "description": "Captures structural support, penetrations, clearances and outdoor terminal placement.", "findings": [ { "id": "installation-interface-evidence", "name": "Installation interface evidence", "description": "Identify supports and interfaces whose condition or geometry affects installation acceptability.", "questions": [ { "text": "How is the chimney supported and restrained, and where does it pass through floors, walls or roofs?", "kind": "boundary", "id": "installation-interface-evidence-q01" }, { "text": "What measured clearances and terminal distances apply to identified combustible materials, openings and adjacent structures?", "kind": "measurement", "id": "installation-interface-evidence-q02" }, { "text": "Which installation records or assessments establish the requirements for these interfaces?", "kind": "provenance", "id": "installation-interface-evidence-q03" } ] } ] } ] }, { "id": "exhaust-service-and-performance", "name": "Exhaust service and performance", "description": "Relates intended combustion service to the chimney's documented capabilities and observed exhaust behaviour.", "rationale": "A chimney's suitability depends on its connected equipment and operating conditions, not merely its presence or dimensions.", "layers": [ { "id": "service-compatibility", "name": "Service compatibility", "description": "Connects fuel, equipment duty and exhaust characteristics to construction or product evidence.", "findings": [ { "id": "documented-service-envelope", "name": "Documented service envelope", "description": "Record supported service conditions and identify proposed duties that lack compatibility evidence.", "questions": [ { "text": "Which fuels, equipment combinations and exhaust conditions are proposed for each flue?", "kind": "definition", "id": "documented-service-envelope-q01" }, { "text": "Which manufacturer documents, design records or competent assessments establish compatibility with those conditions?", "kind": "provenance", "id": "documented-service-envelope-q02" } ] } ] }, { "id": "draft-and-discharge", "name": "Draft and discharge", "description": "Records how exhaust moves through and leaves the chimney under specified conditions.", "findings": [ { "id": "operating-behaviour-evidence", "name": "Operating behaviour evidence", "description": "Associate pressure, temperature and discharge observations with equipment load and environmental conditions.", "questions": [ { "text": "Is exhaust movement driven by natural draft, mechanical assistance or a combination, and where are the relevant pressure boundaries?", "kind": "definition", "id": "operating-behaviour-evidence-q01" }, { "text": "What pressure and temperature measurements exist, with locations, reference conditions and equipment operating states?", "kind": "measurement", "id": "operating-behaviour-evidence-q02" }, { "text": "Under which startup, simultaneous-use, wind or building-pressure conditions has spillage or reverse flow been assessed?", "kind": "provenance", "id": "operating-behaviour-evidence-q03" } ] } ] } ] }, { "id": "condition-and-hazard-evidence", "name": "Condition and hazard evidence", "description": "Records chimney-specific deterioration, passage restrictions and evidence relevant to continued service.", "rationale": "External appearance cannot establish internal passage condition, exhaust containment or damage after abnormal exposure.", "layers": [ { "id": "deposits-and-obstructions", "name": "Deposits and obstructions", "description": "Describes material or objects that restrict the exhaust path or require cleaning assessment.", "findings": [ { "id": "internal-passage-condition", "name": "Internal passage condition", "description": "Record deposit type and extent, foreign obstructions and the limits of internal observation.", "questions": [ { "text": "What soot, creosote, debris, nesting material or other obstruction was observed, and where?", "kind": "measurement", "id": "internal-passage-condition-q01" }, { "text": "Which portions of the flue were inspected, by what method, and which remain unobserved?", "kind": "provenance", "id": "internal-passage-condition-q02" } ] } ] }, { "id": "containment-and-structural-damage", "name": "Containment and structural damage", "description": "Captures defects in exhaust boundaries, supports and weather-exposed construction.", "findings": [ { "id": "damage-and-leakage-assessment", "name": "Damage and leakage assessment", "description": "Locate cracks, failed joints, corrosion, displacement and water ingress, including evidence following suspected chimney fire.", "questions": [ { "text": "Which defects affect the liner, joints, outer structure, supports, flashing or terminal, and what is their recorded extent?", "kind": "measurement", "id": "damage-and-leakage-assessment-q01" }, { "text": "What inspection or test evidence addresses leakage and damage following any known abnormal event?", "kind": "provenance", "id": "damage-and-leakage-assessment-q02" }, { "text": "What use restrictions or further assessments follow from the documented defects?", "kind": "action", "id": "damage-and-leakage-assessment-q03" } ] } ] } ] }, { "id": "inspection-and-service-decisions", "name": "Inspection and service decisions", "description": "Connects access, maintenance history and governing evidence to actions on the chimney.", "rationale": "Cleaning, relining and equipment changes require chimney-specific methods and a documented basis for returning to service.", "layers": [ { "id": "access-and-maintenance", "name": "Access and maintenance", "description": "Identifies practical access to the flues and records work performed on them.", "findings": [ { "id": "inspectable-and-cleanable-route", "name": "Inspectable and cleanable route", "description": "Map cleanouts and inspection openings to the flue sections they serve and identify access limitations.", "questions": [ { "text": "Which openings and access routes permit inspection, deposit removal and debris collection for each flue?", "kind": "boundary", "id": "inspectable-and-cleanable-route-q01" }, { "text": "Which cleaning or inspection methods are supported for this lining and geometry, and what isolation or access arrangements are required?", "kind": "action", "id": "inspectable-and-cleanable-route-q02" }, { "text": "When was each flue last inspected or cleaned, and what report records the work and residual limitations?", "kind": "provenance", "id": "inspectable-and-cleanable-route-q03" } ] } ] }, { "id": "acceptance-and-change-control", "name": "Acceptance and change control", "description": "Records the basis for service acceptance and reassessment after changes.", "findings": [ { "id": "service-disposition-basis", "name": "Service disposition basis", "description": "Tie operating status to applicable requirements, assessment evidence and unresolved conditions.", "questions": [ { "text": "Which jurisdiction, standard editions, issuing bodies and product instructions govern this chimney and its intended service?", "kind": "provenance", "id": "service-disposition-basis-q01" }, { "text": "What evidence and responsible assessment support the current service disposition?", "kind": "provenance", "id": "service-disposition-basis-q02" }, { "text": "What reassessment is required after relining, fuel or appliance changes, structural repair or decommissioning?", "kind": "action", "id": "service-disposition-basis-q03" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This covers the built combustion-exhaust structure, not geological chimneys or other figurative and technical senses.", "Standards are recalled by designation; current editions, jurisdictional adoption and applicability require verification.", "The diameter range is illustrative for domestic wood-stove flues only; actual sizing depends on the appliance, fuel, chimney height and system design." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of chimney this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Masonry chimney", "Factory-built metal chimney", "Industrial chimney", "Single-flue chimney", "Multi-flue chimney" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of chimney this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "scheme": "European chimney performance designation", "value_or_pattern": "Classes for temperature, pressure, condensate resistance, corrosion resistance, soot-fire resistance and clearance to combustible materials", "note": "A performance classification under applicable European chimney standards, not a unique identifier for an individual chimney." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of chimney this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "EN 1443, Chimneys - General requirements, issued by the European Committee for Standardization (CEN).", "EN 1856-1, Chimneys - Requirements for metal chimneys - Part 1: System chimney products, issued by CEN.", "NFPA 211, Standard for Chimneys, Fireplaces, Vents, and Solid Fuel-Burning Appliances, issued by the National Fire Protection Association.", "UL 103, Factory-Built Chimneys for Residential Type and Building Heating Appliances, issued by UL Standards & Engagement." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of chimney this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Discharging smoke and combustion gases from domestic fireplaces and stoves.", "Exhausting combustion products from heating boilers and furnaces.", "Serving industrial furnaces, kilns and combustion plants.", "Supporting natural draft through the buoyancy of hot gases within the flue.", "Providing a heat-resistant route for combustion gases through or alongside a building." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of chimney this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "quantity": "Internal diameter of a circular flue serving a domestic wood-burning stove", "typical_range": "150-200", "unit": "mm" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of chimney this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Obstruction, inadequate draft or adverse pressure conditions can spill combustion gases indoors, creating a carbon monoxide hazard.", "Accumulated combustible deposits, particularly creosote from wood burning, can ignite in a chimney fire.", "Cracked masonry, failed joints or damaged liners can leak hot gases and expose nearby combustible materials to heat.", "Condensate and corrosive combustion products can degrade liners, mortar and metal components.", "Wind, weathering, foundation movement or inadequate structural support can cause instability and falling debris." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of chimney this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "European chimney products commonly use performance classifications under EN standards; North American practice commonly refers to product listings and installation codes.", "Permitted terminal positions, chimney heights and clearances depend on local building rules, appliance type and surrounding structures.", "The terms chimney, stack, smokestack and vent overlap differently across regions and domestic or industrial practice." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of chimney this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "name": "flue", "difference": "A flue is the passage carrying combustion gases; a chimney is the structure containing one or more such passages." }, { "name": "flue liner", "difference": "A liner forms the internal protective boundary of a flue and is a component of the chimney." }, { "name": "stovepipe", "difference": "A stovepipe usually connects a stove to a chimney; it is not necessarily suitable for the building penetrations or exposure handled by the chimney." }, { "name": "fireplace", "difference": "A fireplace contains the fire; the chimney carries its combustion products away." }, { "name": "ventilation shaft", "difference": "A ventilation shaft moves building air and is not necessarily designed to withstand or discharge combustion products." }, { "name": "smokestack", "difference": "Smokestack commonly denotes an industrial chimney; it is an overlapping term rather than a universally separate physical kind." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of chimney this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend chimney to include industrial combustion stacks, or does an existing registered model own part of that scope?", "Does an existing world model already cover this concept and therefore provide the authoritative publication?", "Which primary sources establish the relevant terminology and distinctions among chimney, flue, connector and exhaust vent across construction systems?", "Which jurisdiction-specific standards, classifications and assessment procedures apply to each chimney subtype and intended service?", "Which measurements and inspection findings are sufficient for a competent service decision, particularly where flue sections are inaccessible or historical construction records are absent?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 19, "questions": 34 } }, "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 chimney, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to recognise a chimney, record its construction and service condition, and determine what evidence is needed before connection, use, inspection, repair or retirement.", "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: factory chimneys with water tank, flue-gas stack, solar chimney, Charlie Noble, Methane chimney.", "5 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 79 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 chimney, 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": [ "factory chimneys with water tank", "flue-gas stack", "solar chimney", "Charlie Noble", "Methane chimney" ] } ], "standing": "Described in 79 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 chimney from another, and a chimney 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 chimney, 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 chimney, 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 chimney 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 chimney, 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 chimney, 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 chimney 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 chimney 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 chimney, 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 chimney, 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 chimney 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 chimney from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a chimney, 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 chimney, 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 chimney 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 chimney 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 chimney, 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 chimney, 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 chimney 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 chimney is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a chimney, 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 chimney, 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 chimney 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 chimney is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a chimney, 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 chimney, 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 chimney 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 chimney 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 chimney is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a chimney, 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 chimney, 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 chimney 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 chimney 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 chimney, 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 chimney, 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 chimney 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 chimney 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 chimney between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a chimney, 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 chimney, 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 chimney 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 chimney, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a chimney 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 chimney, 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 chimney, 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 chimney 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 chimney 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 chimney 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 chimney, 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 chimney 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 chimney 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 chimney 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 chimney 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 chimney 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 chimney, 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 chimney 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 chimney and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a chimney, 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 chimney, 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 chimney 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 chimney is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a chimney, 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 chimney, 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 chimney 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 } } } }