{ "model": { "rank": 6088, "code": "thing-q244490", "model_id": "vr.tr.attic", "name": "attic", "purpose": "Enable an AI agent to recognise an attic, assess its spatial and environmental condition, and identify uses or interventions that require further evidence or authorisation.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q244490/", "tier": 2, "score": 62, "payload": { "layer": "wikidata", "aliases": [], "aliasCount": 0, "merged": 0, "knownIn": 62, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q244490", "url": "https://www.wikidata.org/wiki/Q244490", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T11:32:24Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.01359014, "turns": 1, "seconds": 181.6, "error": null }, "codex": { "seconds": 65.9, "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: 01a07b9f-0a6c-70f0-943f-069fe7405268\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: attic\nRegistry id: vr.tr.attic\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy model" } } }, "metaModel": { "id": "THING-Q244490", "registryId": "vr.tr.attic", "name": "attic", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q244490/", "model": { "registry_id": "vr.tr.attic", "name": "attic", "purpose": "Enable an AI agent to recognise an attic, assess its spatial and environmental condition, and identify uses or interventions that require further evidence or authorisation.", "definition": "Enclosed volume of a building between the ceiling of the uppermost storey and the underside of the roof covering, formed by a (usually pitched) roof structure, and treated in construction as storage, a thermal and moisture buffer, a services plenum, or - where headroom, escape and fire separation allow - habitable rooms.", "scope_statement": "This model owns the attic as a building space beneath the roof, including its boundaries, access, usable volume, observed condition, current use and dependencies on adjoining building systems.", "in_scope": [ "Identification and extent of the space beneath the roof", "Roof-shaped geometry, headroom and usable floor area", "Access routes and movement constraints", "Observed moisture, thermal and ventilation conditions", "Current use, stored contents and accessible service routes", "Evidence and unresolved constraints affecting entry, storage, maintenance or conversion" ], "out_of_scope": [ "Whole-building identity, ownership and occupancy management", "Roof assembly design, structural calculations and repair specifications", "Design and operation of electrical, plumbing and mechanical systems", "Individual stored objects and their lifecycle records", "Detailed design and regulatory approval of a habitable conversion" ], "distinguishing_features": [ "The space occupies a volume directly beneath the roof; a room separated from the roof by another storey does not pass this location test.", "Its extent is established from roof planes, exterior boundaries and the ceiling or floor assembly below, rather than inferred solely from a room label.", "An accessible volume within the roof is distinguished from a narrow cavity inside a roof assembly by recording its spatial continuity, access and capacity for entry.", "A top-floor room is not automatically treated as an attic: record whether it occupies the roof volume and whether local terminology retains the attic designation after conversion.", "Storage use alone does not identify an attic; a storage room elsewhere in the building fails the roof-location test." ], "characteristics": [ { "name": "Position within the roof volume", "kind": "relation", "unit_or_values": "Relationship to roof planes, uppermost occupied storey and adjacent roof spaces", "why_it_matters": "Establishes attic identity and prevents confusion with an ordinary upper-floor room." }, { "name": "Spatial subdivision", "kind": "category", "unit_or_values": "Continuous, partitioned, compartmented, partially inaccessible, unknown", "why_it_matters": "Determines whether observations and access apply to the whole attic or only one section." }, { "name": "Headroom distribution", "kind": "measurement", "unit_or_values": "Metres above identified walking surfaces, mapped by location", "why_it_matters": "Shows where a person can stand, crouch or move and where proposed uses encounter geometric limits." }, { "name": "Floor area by headroom band", "kind": "measurement", "unit_or_values": "Square metres using explicitly stated headroom thresholds", "why_it_matters": "Separates total plan area from area useful for a particular task without assuming a legal usability threshold." }, { "name": "Access arrangement", "kind": "category", "unit_or_values": "Hatch, fixed ladder, retractable ladder, stair, external opening, no known access, other", "why_it_matters": "Constrains entry, equipment movement and the feasibility of inspection or storage." }, { "name": "Walking and storage support evidence", "kind": "state", "unit_or_values": "Unassessed, documented for a specified use, visibly deteriorated, restricted, unknown", "why_it_matters": "Prevents boarding or exposed framing from being mistaken for verified load-bearing capacity." }, { "name": "Thermal boundary relationship", "kind": "relation", "unit_or_values": "Boundary at ceiling below, roof slopes, mixed locations, other, unknown", "why_it_matters": "Helps interpret attic temperature, insulation continuity and possible consequences of alterations." }, { "name": "Moisture observations", "kind": "state", "unit_or_values": "Active wetting, staining, condensation observed, suspect biological growth, no signs observed, uninspected", "why_it_matters": "Supports investigation while keeping visible evidence separate from an unverified cause." }, { "name": "Ventilation arrangement", "kind": "category", "unit_or_values": "Vent openings observed, mechanically served, intentionally unvented with documentation, mixed, unknown", "why_it_matters": "Distinguishes observed airflow provisions from assumptions that every attic should be ventilated in the same way." }, { "name": "Attic use", "kind": "state", "unit_or_values": "Unused, storage, service access, occupied accommodation, mixed, unknown; record approval evidence separately", "why_it_matters": "Separates actual activity from suitability or permission for that activity." } ], "affordances": [ "Map roof-space boundaries, subdivisions and accessible inspection areas.", "Plan entry and movement using opening dimensions, headroom and verified walking routes.", "Assess a proposed storage arrangement against documented support limits and required access clearances.", "Compare dated moisture and temperature observations to identify locations needing investigation.", "Identify attic-level constraints and specialist checks for insulation, ventilation or service-access work.", "Screen a proposed conversion for unresolved spatial, structural, access and approval dependencies." ] }, "sources": [ { "id": "icc-irc-ch8", "title": "International Residential Code, Chapter 8 Roof-Ceiling Construction (R806 Roof Ventilation; R807 Attic Access)", "url": "https://codes.iccsafe.org/content/IRC2021P1/chapter-8-roof-ceiling-construction", "what_it_supports": "Access opening size and headroom minima; net-free ventilation ratios (1/150 and 1/300); recognition of unvented attic assemblies.", "url_status": "live" }, { "id": "bsc-bsd-102", "title": "BSD-102 Understanding Attic Ventilation", "url": "https://www.buildingscience.com/documents/digests/bsd-102-understanding-attic-ventilation", "what_it_supports": "Building-science distinction between vented cold attics and unvented conditioned attics; moisture, ice-dam and overheating mechanisms.", "url_status": "live" }, { "id": "uk-ad-fl", "title": "The Building Regulations 2010: Approved Document L (Conservation of fuel and power) and Approved Document F (Ventilation)", "url": "https://www.gov.uk/government/collections/approved-documents", "what_it_supports": "UK loft/roof-space insulation and roof-void ventilation practice; loft conversion as a regulated change of use of the roof volume.", "url_status": "live" }, { "id": "iso-6707-1", "title": "ISO 6707-1 Buildings and civil engineering works - Vocabulary - Part 1: General terms", "url": "", "what_it_supports": "Standardized building vocabulary in which attic/loft is a named roof-space term rather than a dictionary gloss." }, { "id": "bs-5250", "title": "BS 5250:2021 Management of moisture in buildings - Code of practice", "url": "", "what_it_supports": "Cold-roof versus warm-roof (compact) construction and condensation risk in loft/attic voids." }, { "id": "nfpa-13", "title": "NFPA 13 Standard for the Installation of Sprinkler Systems", "url": "", "what_it_supports": "Fire protection of combustible concealed attic and roof-void spaces." } ], "structure": { "bundles": [ { "id": "roof-space-identity", "name": "Roof-space identity", "description": "Establishes which space is the attic and how the roof and adjoining spaces define it.", "rationale": "Attic identity depends on position and spatial boundaries, while names such as loft or roof void may be ambiguous.", "layers": [ { "id": "location-and-classification", "name": "Location and classification", "description": "Records the physical relationship that supports the attic designation.", "findings": [ { "id": "attic-identification-basis", "name": "Attic identification basis", "description": "Record the observed location beneath the roof, local designation and evidence distinguishing this space from an upper-floor room or construction cavity.", "questions": [ { "text": "What physical relationships to the roof and storey below justify identifying this space as an attic?", "kind": "definition", "id": "attic-identification-basis-q01" }, { "text": "Which inspection, drawing or building record supports that identification?", "kind": "provenance", "id": "attic-identification-basis-q02" } ] } ] }, { "id": "extent-and-subdivision", "name": "Extent and subdivision", "description": "Defines attic boundaries and separates connected space from inaccessible or independently bounded sections.", "findings": [ { "id": "roof-space-boundaries", "name": "Roof-space boundaries", "description": "Record the roof planes, lower assembly, end walls and internal barriers enclosing the attic, including uncertain continuations.", "questions": [ { "text": "Where does this attic end at eaves, party walls, partitions or adjoining roof volumes?", "kind": "boundary", "id": "roof-space-boundaries-q01" }, { "text": "Which sections connect through openings, and which cannot be inspected from the known access point?", "kind": "boundary", "id": "roof-space-boundaries-q02" } ] } ] } ] }, { "id": "entry-and-usable-volume", "name": "Entry and usable volume", "description": "Describes how people and equipment reach and move through the roof-shaped space.", "rationale": "Attic access and sloping headroom can make a large apparent volume unusable for a particular activity.", "layers": [ { "id": "access-route", "name": "Access route", "description": "Captures the approach, entry opening and transition onto an internal route.", "findings": [ { "id": "entry-constraints", "name": "Entry constraints", "description": "Record the access mechanism, clear opening, approach and landing conditions affecting a specified entry task.", "questions": [ { "text": "What are the clear opening dimensions and available approach and landing spaces at each attic entrance?", "kind": "measurement", "id": "entry-constraints-q01" }, { "text": "What access equipment, restrictions or unresolved conditions affect the proposed inspection or movement of items?", "kind": "action", "id": "entry-constraints-q02" } ] } ] }, { "id": "interior-clearance", "name": "Interior clearance", "description": "Maps usable space around roof slopes, framing, bracing and installed services.", "findings": [ { "id": "task-specific-clearance", "name": "Task-specific clearance", "description": "Record headroom and route widths relative to identified surfaces, keeping geometric accessibility separate from structural suitability.", "questions": [ { "text": "How do headroom and route width vary beneath the roof slopes and around ties, braces and services?", "kind": "measurement", "id": "task-specific-clearance-q01" }, { "text": "Which portions provide sufficient clearance for the proposed task, and what task-specific dimensions were used?", "kind": "action", "id": "task-specific-clearance-q02" } ] } ] } ] }, { "id": "roof-space-environment", "name": "Roof-space environment", "description": "Records the attic's relationship to heat, airflow and moisture without prescribing an unverified roof design.", "rationale": "Attic condition depends on the arrangement of the roof, ceiling below and environmental controls, which may differ substantially between buildings.", "layers": [ { "id": "thermal-and-airflow-arrangement", "name": "Thermal and airflow arrangement", "description": "Locates insulation and airflow provisions relative to the attic volume.", "findings": [ { "id": "environmental-boundaries", "name": "Environmental boundaries", "description": "Record observed and documented insulation, air-control boundaries, openings and ducts affecting the attic environment.", "questions": [ { "text": "Where are the insulation and air-control boundaries relative to the attic, including hatches and service penetrations?", "kind": "boundary", "id": "environmental-boundaries-q01" }, { "text": "What observations or design records establish the intended ventilation or unvented arrangement and the destinations of ducts crossing the attic?", "kind": "provenance", "id": "environmental-boundaries-q02" } ] } ] }, { "id": "moisture-and-condition", "name": "Moisture and condition", "description": "Captures located, dated evidence of wetting and deterioration.", "findings": [ { "id": "moisture-evidence", "name": "Moisture evidence", "description": "Record moisture signs and measurements with inspection coverage and context; treat leakage, condensation and other explanations as hypotheses until supported.", "questions": [ { "text": "Where and when were wetting, staining, condensation or suspect growth observed, and what measurements or photographs accompany them?", "kind": "measurement", "id": "moisture-evidence-q01" }, { "text": "What further observation or specialist investigation would distinguish the plausible causes before attic conditions are altered?", "kind": "action", "id": "moisture-evidence-q02" } ] } ] } ] }, { "id": "use-and-intervention-constraints", "name": "Use and intervention constraints", "description": "Connects actual and proposed attic activities to support evidence, obstructions and dependencies.", "rationale": "The presence of boards, stored items or an occupied room does not establish that an attic is suitable or authorised for those uses.", "layers": [ { "id": "support-and-current-use", "name": "Support and current use", "description": "Records how the attic is used and what evidence supports walking or loading particular areas.", "findings": [ { "id": "walking-and-storage-basis", "name": "Walking and storage basis", "description": "Distinguish ceiling surfaces, boarding, walkways and documented floor construction; associate any support limits with their exact area and intended use.", "questions": [ { "text": "Which attic surfaces are currently walked on or loaded, and where are stored loads concentrated?", "kind": "measurement", "id": "walking-and-storage-basis-q01" }, { "text": "What assessment or construction record establishes the permitted use and support limits of those specific surfaces?", "kind": "provenance", "id": "walking-and-storage-basis-q02" } ] } ] }, { "id": "work-and-conversion-dependencies", "name": "Work and conversion dependencies", "description": "Identifies conditions that must be resolved before changing attic use or fabric.", "findings": [ { "id": "intervention-readiness", "name": "Intervention readiness", "description": "Record how a proposed intervention interacts with roof framing, environmental boundaries, services, compartment boundaries and access, together with outstanding assessments.", "questions": [ { "text": "Which roof members, service routes, ventilation paths, inspection clearances or compartment boundaries could the proposed work affect?", "kind": "boundary", "id": "intervention-readiness-q01" }, { "text": "What structural, environmental, access, material-hazard or approval questions remain unresolved for this specific intervention?", "kind": "action", "id": "intervention-readiness-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": [ "Vented cold attic (unconditioned; thermal control at the top-storey ceiling)", "Unvented conditioned attic / compact or \"hot-roof\" assembly (insulation and air control at the rafters; attic inside the envelope)", "Unfinished storage attic", "Finished habitable attic (loft conversion, often with dormers or roof windows)", "Knee-wall or 1½-storey attic (usable rooms at the eaves with a residual roof void above)", "Prefabricated-truss attic (deep truss webs; limited walkability)", "Hatch-access-only attic", "Walk-up or stair-access attic" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of attic 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": "Q148108", "note": "Item for the architectural roof-space sense of attic, distinct from Attic Greek and from the classical attic storey." }, { "scheme": "ISO 6707-1", "value_or_pattern": "term: attic / loft", "note": "Defined building-vocabulary term for space within the roof; not a numeric code." }, { "scheme": "IFC", "value_or_pattern": "IfcSpace (no dedicated IfcAttic type)", "note": "Modelled as a space or void in the roof; occupancy and thermal-boundary properties are assigned, not a separate entity." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of attic 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": [ "International Residential Code (International Code Council): R806 roof ventilation, including unvented attic provisions; R807 attic access size and headroom.", "International Building Code (International Code Council): attic access, draftstopping and fireblocking of concealed roof spaces.", "International Energy Conservation Code (International Code Council): attic insulation levels, air sealing of the ceiling plane, and roof-assembly U-factors.", "NFPA 13 (National Fire Protection Association): sprinkler protection of combustible concealed attics.", "UK Building Regulations 2010 with Approved Documents B (fire safety, including loft conversions), F (ventilation of roof voids) and L (loft insulation), issued by the ministry responsible for building regulations (now MHCLG).", "BS 5250:2021 Management of moisture in buildings (BSI): cold roof versus warm roof moisture control.", "ASHRAE 90.1 (ASHRAE/IES): opaque-roof and attic-insulation requirements for commercial buildings.", "National Construction Code (Australian Building Codes Board): roof-space ventilation and insulation provisions for housing." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of attic 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": [ "Household and light commercial storage of seasonal goods above the top-storey ceiling.", "Housing of HVAC air handlers, duct runs, expansion tanks and whole-house fans, standing on boarded platforms between joists or trusses.", "Principal location of ceiling-level thermal insulation and the air-control layer in cold-attic houses.", "Conversion to bedrooms, studies and bathrooms (loft conversions), subject to headroom, stairs, fire separation and escape.", "Routing and later access to electrical, data and plumbing services.", "In surveying, insurance and real-estate listing, a named space that affects floor-area claims, fire risk and valuation." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of attic 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": "Attic floor area (typical detached house)", "typical_range": "20-150", "unit": "m²" }, { "quantity": "Clear headroom at ridge or centre", "typical_range": "0.6-2.4 (habitable portions usually ≥2.1-2.3 over a defined fraction of floor)", "unit": "m" }, { "quantity": "Access opening (IRC minimum, widely copied)", "typical_range": "559 × 762", "unit": "mm" }, { "quantity": "Net free ventilation area of a vented attic", "typical_range": "1/300-1/150 of the vented floor area", "unit": "m²/m²" }, { "quantity": "Ceiling or rafter insulation thermal resistance (dwelling practice)", "typical_range": "5.3-10.6 (US R-30 to R-60)", "unit": "m²·K/W" }, { "quantity": "Peak summer attic air temperature under a dark roof", "typical_range": "40-70", "unit": "°C" }, { "quantity": "Roof pitch that yields a walkable attic volume", "typical_range": "≥ about 30 (≈7:12); shallower pitches yield only a void", "unit": "°" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of attic 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": [ "Ice dams at eaves from heat leaking into a cold attic and melting roof snow.", "Winter condensation, mould and sheathing decay when moist indoor air leaks into a cold roof void.", "Summer overheating of rooms below a poorly insulated or dark-roof attic.", "Rapid fire spread through undivided combustible roof voids; delayed detection in unoccupied space.", "Falls through plasterboard or brittle ceilings during access or storage.", "Rodent, bird and insect infestation, with chewing of wiring and contamination of insulation.", "Wetting or compression of insulation from leaks or storage, collapsing thermal performance.", "Blocked or unbalanced vents, or converting a vented attic to living space without moving the thermal boundary.", "Exposure to historic asbestos (including vermiculite) and to rodent-contaminated dust when the void is disturbed." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of attic 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": [ "Commonwealth English (UK, Ireland, Australia, New Zealand) ordinarily says loft or roof space; North American English says attic for the same void.", "Classical and Beaux-Arts usage calls an attic a low storey sitting on the main cornice, visible on the façade - not a space inside the roof.", "Cold-climate practice (Canada, northern United States, Nordics) still centres on vented cold attics and ice-dam control; mixed-humid and hot-humid practice increasingly uses unvented conditioned attics.", "UK loft conversion is a named, heavily regulated housing type; many North American attics remain unfinished storage with a hatch.", "Flat-roof traditions (much of the Mediterranean, Middle East, and modernist housing) often have no attic, only a roof build-up or a penthouse on top." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of attic 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": "Loft (North American occupancy sense)", "difference": "A loft is a full-height open storey, often in a former industrial building; an attic is a volume inside the roof. Test: normal storey height and occupancy versus space bounded by the roof slope." }, { "name": "Crawl space", "difference": "A crawl space is the void under the lowest floor. Test: below the occupied volume versus above the top-storey ceiling." }, { "name": "Cathedral or vaulted ceiling assembly", "difference": "Insulation and structure sit in the sloped rafter bays with no walkable volume above the finish ceiling. Test: can a person enter a discrete space above the top-storey ceiling?" }, { "name": "Roof void / ceiling plenum", "difference": "A shallow, usually inaccessible cavity rather than a boarded or truss attic. Test: volume and whether there is intended access and storage." }, { "name": "Garret", "difference": "Historically a small, often poor habitable room in the roof. Test: finished occupancy of a room versus an unfinished void; the distinction is now largely lexical." }, { "name": "Attic storey (classical)", "difference": "A low exterior storey above the main entablature, read on the façade. Test: is it a compositional storey with openings in a wall, or an interior space under the roof pitch?" }, { "name": "Penthouse", "difference": "Habitable storey built on top of a (usually flat) roof, not inside it. Test: sits on the roof covering versus enclosed by the roof structure." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of attic this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "What registry convention should distinguish attic, loft, roof void and converted attic where regional terminology differs?", "Should roof spaces divided by compartment or ownership boundaries be separate attic instances, and how should their former or physical continuity be represented?", "Which measurement convention should govern attic floor area and headroom bands while preserving jurisdiction-specific definitions?", "What evidence is sufficient to establish suitability for entry, storage or occupation, and when must that evidence be reassessed?", "How should attic-level environmental observations be linked to roof, insulation and ventilation models so that causal assessments have one authoritative home?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 16, "questions": 24 } }, "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 attic, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise an attic, assess its spatial and environmental condition, and identify uses or interventions that require further evidence or authorisation.", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Described in 62 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 attic, 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": [], "standing": "Described in 62 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one attic from another, and a attic 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 attic, 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 attic, 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 attic 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 attic, 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 attic, 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 attic 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 attic 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 attic, 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 attic, 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 attic 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 attic from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a attic, 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 attic, 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 attic 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 attic 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 attic, 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 attic, 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 attic 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 attic is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a attic, 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 attic, 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 attic 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 attic is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a attic, 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 attic, 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 attic 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 attic 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 attic is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a attic, 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 attic, 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 attic 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 attic 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 attic, 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 attic, 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 attic 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 attic 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 attic between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a attic, 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 attic, 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 attic 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 attic, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a attic 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 attic, 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 attic, 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 attic 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 attic 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 attic 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 attic, 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 attic 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 attic 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 attic 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 attic 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 attic 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 attic, 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 attic 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 attic and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a attic, 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 attic, 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 attic 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 attic is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a attic, 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 attic, 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 attic 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 } } } }