{ "model": { "rank": 5622, "code": "thing-seat", "model_id": "vr.tr.seat", "name": "seat", "purpose": "furniture that is designed for sitting on", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/seat/", "tier": 2, "score": 66, "payload": { "layer": "wordnet", "aliases": [ "armchair", "banquette", "barber chair", "bath chair", "bench", "box seat", "camp chair", "campstool", "captain's chair", "cathedra", "bishop's throne", "chair", "chair of state", "chaise longue", "chaise", "daybed", "chesterfield", "convertible", "sofa bed", "cutty stool", "davenport", "divan bed", "deck chair", "beach chair", "divan", "easy chair", "lounge chair", "overstuffed chair", "fauteuil", "fighting chair", "flat bench", "folding chair", "footstool", "footrest", "ottoman", "tuffet", "highchair", "feeding chair", "ladder-back", "ladder-back chair" ], "aliasCount": 94, "merged": 66, "knownIn": 0, "facets": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "portable", "scale": "handheld", "affordances": [ "graspable" ] }, "markers": [ "artifact" ], "lexicalClass": "noun.artifact", "senseRank": 2, "alsoRegisteredAs": null, "source": { "dataset": "oewn:2024", "synset": "oewn-04169042-n", "ili": "i58609", "license": "CC BY 4.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T22:47:04Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 18.9, "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: 01a08859-815b-76c2-9971-1368052af173\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: seat\nSense to describe: furniture that is designed for sitting on\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 188 things:\n# B", "usd": 0, "recall": true }, "codex": { "seconds": 62.3, "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: 01a08859-8168-7932-a06d-1003e179965c\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: seat\nRegistry id: vr.tr.seat\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: furniture that is designed for sitting on\nNames folded into this entr" } } }, "metaModel": { "id": "THING-SEAT", "registryId": "vr.tr.seat", "name": "seat", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/seat/", "model": { "registry_id": "vr.tr.seat", "name": "seat", "purpose": "Enable an agent to recognise seating furniture, assess its suitability and condition for an intended sitting task, and identify supported uses, adjustments and maintenance actions.", "definition": "A seat is an item of furniture designed to support one or more people in a sitting posture, with or without a backrest or armrests.", "scope_statement": "This model owns seat as furniture designed for sitting, including its sitting surfaces, supporting structure, optional body supports and adjustment mechanisms, while distinguishing the registered kind from product designs and individual units.", "in_scope": [ "Single-person and shared seating furniture, including chairs, stools, benches and sofas as forms within the seat boundary", "Sitting surfaces, supporting frames, bases and optional backs and arm supports", "Seat geometry, occupancy capacity and suitability for intended sitting tasks", "Fixed, movable, folding, reclining and adjustable seating configurations", "Condition and permitted actions affecting sitting support, stability and serviceability" ], "out_of_scope": [ "Tables, shelves and other surfaces used incidentally for sitting but not designed as seats", "Beds and mattresses whose primary design purpose is lying down, except the seating configuration of convertible furniture", "Wheelchairs and other mobility devices as complete systems, including propulsion and mobility controls", "Vehicle occupant systems, including crash protection, restraints and vehicle attachment requirements", "Ticketed places, electoral seats, institutional offices and other non-furniture meanings of seat", "Clinical assessment of a sitter and room-wide accessibility or evacuation planning" ], "distinguishing_features": [ "Its intended function includes supporting a person in a sitting posture; the ability to sit on an object incidentally is insufficient.", "A backrest or armrest is optional, so their absence does not exclude stools or backless benches.", "The modelled whole includes the means of supporting or attaching the sitting surface; a replacement cushion or seat pan alone is a component.", "A continuous sitting surface can accommodate several people without becoming several separate furniture units.", "Convertible furniture qualifies in its designed sitting configuration, with other configurations recorded as related functions." ], "characteristics": [ { "name": "Seating form", "kind": "category", "unit_or_values": "chair; stool; bench; sofa; other documented form", "why_it_matters": "Identifies the arrangement of sitting places and supports without treating a product name as the registered kind." }, { "name": "Intended sitting task", "kind": "category", "unit_or_values": "task work; dining; waiting; resting; spectator use; other documented use", "why_it_matters": "Provides context for judging posture, duration of use and required support." }, { "name": "Sitting-surface geometry", "kind": "measurement", "unit_or_values": "height, usable width and usable depth in mm; inclination in degrees; configuration and loading condition recorded", "why_it_matters": "Supports assessment of access, body fit and compatibility with the intended activity." }, { "name": "Occupancy capacity", "kind": "measurement", "unit_or_values": "number of intended simultaneous sitters; designated positions or allocation basis recorded", "why_it_matters": "Distinguishes furniture-unit count from sitting-place count." }, { "name": "Documented load rating", "kind": "measurement", "unit_or_values": "kg or N as stated by the source; per-place or whole-unit basis and applicable configuration recorded; unknown if undocumented", "why_it_matters": "Prevents an agent from inferring supported loads from appearance or confusing total and per-person limits." }, { "name": "Body-support arrangement", "kind": "category", "unit_or_values": "back support, arm support, head support and foot support: present, absent or configurable", "why_it_matters": "Describes the support available for sitting and transitions into or out of the seat." }, { "name": "Support and attachment arrangement", "kind": "category", "unit_or_values": "legs; pedestal; sled base; rocker; suspended; floor-fixed; wall-fixed; other documented arrangement", "why_it_matters": "Identifies how sitting loads reach the supporting environment and which interfaces need inspection." }, { "name": "Adjustment and deployment state", "kind": "state", "unit_or_values": "current height, recline, swivel, fold and lock states where applicable; unknown where unverified", "why_it_matters": "Distinguishes a usable sitting configuration from storage, transition or malfunction states." }, { "name": "Sitting-support condition", "kind": "state", "unit_or_values": "observations of wobble, deformation, joint looseness, surface damage, support loss and mechanism faults", "why_it_matters": "Records evidence affecting continued use without equating a visual inspection with a verified load assessment." }, { "name": "Design and configuration reference", "kind": "relation", "unit_or_values": "links to product design, manufacturer instructions, compatible components and documented configuration", "why_it_matters": "Connects unit-level observations to the instructions and limits that actually apply." } ], "affordances": [ "Identify intended sitting positions and distinguish available places from furniture-unit count.", "Compare recorded geometry and supports with an intended sitter and sitting task, marking missing evidence.", "Select a documented sitting configuration and operate supported adjustments or deployment mechanisms.", "Inspect the sitting surface, load-bearing supports and locking mechanisms to inform use or maintenance decisions.", "Move, stack or store the seat where its design and documented handling instructions support those actions.", "Clean, repair or replace seating components using applicable material and component guidance." ] }, "sources": [], "structure": { "bundles": [ { "id": "seating-identity", "name": "Seating identity", "description": "Establishes what makes the thing seating furniture and where its furniture-unit boundary lies.", "rationale": "Seats are easily confused with incidental sitting surfaces, replacement parts and allocated places.", "layers": [ { "id": "designed-sitting-function", "name": "Designed sitting function", "description": "Separates intended seating from surfaces that merely permit sitting.", "findings": [ { "id": "intended-sitting-role", "name": "Intended sitting role", "description": "Record evidence that the object was designed to support sitting and identify the intended activity.", "questions": [ { "text": "What design description or other evidence establishes that this furniture is intended for sitting?", "kind": "definition", "id": "intended-sitting-role-q01" }, { "text": "Which sitting activities and durations does its documented intended use cover?", "kind": "provenance", "id": "intended-sitting-role-q02" } ] } ] }, { "id": "unit-and-place-boundaries", "name": "Unit and place boundaries", "description": "Distinguishes a furniture whole, its components and the sitting places it provides.", "findings": [ { "id": "seating-whole", "name": "Seating whole", "description": "Describe which surfaces and supports constitute the furniture unit and how sitting places are allocated within it.", "questions": [ { "text": "Is the referent a complete seat, a seating component, a product design or an allocated place?", "kind": "boundary", "id": "seating-whole-q01" }, { "text": "How many sitting places does the furniture provide, and are those places physically designated or inferred from continuous usable space?", "kind": "measurement", "id": "seating-whole-q02" } ] } ] } ] }, { "id": "sitting-fit-and-support", "name": "Sitting fit and support", "description": "Describes the relationship between seat geometry, body supports and intended sitting tasks.", "rationale": "A seat can support sitting while being poorly matched to a particular sitter or activity.", "layers": [ { "id": "sitting-surface-geometry", "name": "Sitting-surface geometry", "description": "Captures the dimensions and shape of the surface that supports the sitter.", "findings": [ { "id": "usable-sitting-envelope", "name": "Usable sitting envelope", "description": "Record usable dimensions, contour and inclination with the seat configuration and measurement conditions.", "questions": [ { "text": "What are the sitting-surface height, usable width, usable depth and inclination in the intended configuration?", "kind": "measurement", "id": "usable-sitting-envelope-q01" }, { "text": "Were these dimensions measured unloaded or under a stated load, and how does cushioning affect the usable surface?", "kind": "measurement", "id": "usable-sitting-envelope-q02" } ] } ] }, { "id": "posture-and-transfers", "name": "Posture and transfers", "description": "Identifies supports and clearances relevant to sitting down, remaining seated and standing up.", "findings": [ { "id": "body-support-fit", "name": "Body-support fit", "description": "Describe back, arm and foot supports and their relationship to the intended sitter and nearby task surfaces.", "questions": [ { "text": "Which body supports are present, and what are their positions and adjustment ranges relative to the sitting surface?", "kind": "measurement", "id": "body-support-fit-q01" }, { "text": "What support or clearance information is needed to judge sitting down, standing up and performing the intended task?", "kind": "action", "id": "body-support-fit-q02" } ] } ] } ] }, { "id": "load-support-and-stability", "name": "Load support and stability", "description": "Records how the seat carries occupants and remains supported in its intended environment.", "rationale": "Occupant capacity, structural condition and stability depend on different evidence and should not be collapsed into a single capacity label.", "layers": [ { "id": "occupant-load-support", "name": "Occupant load support", "description": "Connects sitting places to the surfaces, joints and supports carrying their loads.", "findings": [ { "id": "rated-seating-loads", "name": "Rated seating loads", "description": "Capture documented occupant and load limits, their scope and the configuration to which they apply.", "questions": [ { "text": "What source states the occupant or load limit, and does it apply to each sitting place or the complete furniture unit?", "kind": "provenance", "id": "rated-seating-loads-q01" }, { "text": "Which sitting surfaces, joints, frame members and attachments carry the occupants' loads?", "kind": "definition", "id": "rated-seating-loads-q02" } ] } ] }, { "id": "base-and-installation", "name": "Base and installation", "description": "Describes the seat's contact with or attachment to its supporting environment.", "findings": [ { "id": "stable-support-conditions", "name": "Stable support conditions", "description": "Record the base, floor contacts or mounting interfaces and the conditions required for intended support.", "questions": [ { "text": "Does the seat rely on floor contact, anchorage, suspension or a combination, and what installation evidence is available?", "kind": "provenance", "id": "stable-support-conditions-q01" }, { "text": "What observations of rocking, sliding, uneven contact or loose attachment require resolving before the intended use?", "kind": "action", "id": "stable-support-conditions-q02" } ] } ] } ] }, { "id": "seating-configurations-and-motion", "name": "Seating configurations and motion", "description": "Models adjustments, intentional movement and transitions between sitting and storage configurations.", "rationale": "Folding, reclining, swivelling and rocking seats have meaningful states that fixed-seat descriptions miss.", "layers": [ { "id": "sitting-adjustments", "name": "Sitting adjustments", "description": "Identifies adjustable features, their controls and the current sitting configuration.", "findings": [ { "id": "adjustment-operation", "name": "Adjustment operation", "description": "Record available adjustments and distinguish intentionally free movement from positions requiring a lock.", "questions": [ { "text": "Which height, tilt, recline, swivel or support adjustments exist, and what ranges or positions are documented?", "kind": "measurement", "id": "adjustment-operation-q01" }, { "text": "Which controls and locking conditions apply when changing position, including any restrictions on adjustment while occupied?", "kind": "action", "id": "adjustment-operation-q02" } ] } ] }, { "id": "deployment-and-storage", "name": "Deployment and storage", "description": "Separates configurations intended for sitting from folding, stacking and conversion states.", "findings": [ { "id": "ready-for-sitting-state", "name": "Ready-for-sitting state", "description": "Capture the deployment steps and observable conditions that establish a documented sitting configuration.", "questions": [ { "text": "What distinguishes a fully deployed sitting configuration from a folded, stacked or partially converted state?", "kind": "definition", "id": "ready-for-sitting-state-q01" }, { "text": "What documented sequence, clearances and latch checks apply when deploying, folding, stacking or converting this seat?", "kind": "action", "id": "ready-for-sitting-state-q02" } ] } ] } ] }, { "id": "seating-condition-and-care", "name": "Seating condition and care", "description": "Tracks deterioration of occupant-contact surfaces and sitting supports and relates observations to maintenance decisions.", "rationale": "Cushioning, upholstery, structural joints and mechanisms can deteriorate separately and require different responses.", "layers": [ { "id": "occupant-contact-surfaces", "name": "Occupant-contact surfaces", "description": "Describes the materials and condition of the surfaces encountered during sitting.", "findings": [ { "id": "surface-and-cushion-serviceability", "name": "Surface and cushion serviceability", "description": "Record tears, exposed edges, contamination and cushioning changes together with applicable care information.", "questions": [ { "text": "What materials form the sitting surface and upholstery, and what damage or cushioning changes are observable?", "kind": "measurement", "id": "surface-and-cushion-serviceability-q01" }, { "text": "Which cleaning methods and replacement covers or cushions are documented as compatible with this seat?", "kind": "action", "id": "surface-and-cushion-serviceability-q02" } ] } ] }, { "id": "support-and-mechanism-serviceability", "name": "Support and mechanism serviceability", "description": "Connects observed structural or mechanism faults to repair and return-to-use decisions.", "findings": [ { "id": "repair-and-use-evidence", "name": "Repair and use evidence", "description": "Record looseness, cracking, deformation, unintended movement and repair history without assuming appearance proves load-bearing adequacy.", "questions": [ { "text": "What inspection or repair records address joints, legs, mountings and any folding or adjustment mechanisms?", "kind": "provenance", "id": "repair-and-use-evidence-q01" }, { "text": "What documented criteria determine whether an observed fault requires repair, withdrawal from use or further assessment?", "kind": "action", "id": "repair-and-use-evidence-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Standards are recalled by designation and scope; their current editions and applicability to particular products require verification.", "Dimensions are approximate descriptive ranges for conventional adult chairs, not universal ergonomic requirements or compliance limits.", "Whether vehicle seating and built-in architectural seating belong in this registry entry should be checked against its furniture boundary." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of seat 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": [ "Chair", "Stool", "Bench", "Sofa", "Armchair", "Recliner" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of seat 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 12520, issued by CEN: safety, strength and durability requirements for domestic seating.", "EN 16139, issued by CEN: safety, strength and durability requirements for non-domestic seating.", "EN 1728, issued by CEN: test methods for the strength and durability of seating.", "ANSI/BIFMA X5.1, developed by BIFMA and approved by ANSI: tests for general-purpose office chairs." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of seat 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": [ "Supporting seated activities such as eating, working and studying.", "Providing rest and social seating in homes and public spaces.", "Accommodating audiences in theatres, assembly halls and other venues.", "Providing seating in waiting areas.", "Supporting reclining and relaxation." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of seat 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": "Seat height above floor for conventional adult chairs", "typical_range": "400-500", "unit": "mm" }, { "quantity": "Seat depth for conventional adult chairs", "typical_range": "380-500", "unit": "mm" }, { "quantity": "Seat width per person for conventional adult chairs", "typical_range": "400-550", "unit": "mm" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of seat 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": [ "Structural collapse caused by failed joints, cracked members or excessive loading.", "Tipping caused by instability, leaning or uneven supporting surfaces.", "Pinching or entrapment in folding, adjustment or reclining mechanisms.", "Wear, corrosion or loosened fasteners reducing strength and stability.", "Ignition and smoke hazards involving combustible frames, upholstery or fillings." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of seat 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": [ "Seating traditions differ in their use of floor-level, low and conventional chair-height furniture.", "Upholstered seating flammability requirements vary by jurisdiction and intended setting." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of seat 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": "Furniture", "difference": "Furniture is the broader category; a seat is distinguished by its intended sitting function." }, { "name": "Chair", "difference": "A chair is generally a seat for one person with a backrest; seats also include backless and multi-person forms." }, { "name": "Bed", "difference": "A bed primarily supports lying and sleeping; a seat primarily supports sitting, although convertible furniture can serve both functions." }, { "name": "Footstool", "difference": "A footstool primarily supports the feet; it qualifies as a seat only if also designed to support a seated person." }, { "name": "Seat surface", "difference": "The seat surface is the part supporting the sitter's buttocks and thighs; the requested sense denotes the furniture item as a whole." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of seat this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does an existing Vercy world model already own seating furniture, requiring this registry entry to link to it instead of receiving a separate publication?", "How does the registry assign boundary cases such as vehicle seats, floor cushions, beanbags, built-in seating and convertible sofa beds?", "Which primary sources establish applicable testing methods and standards for each intended seating context and jurisdiction?", "Which measurement conventions should govern compressed cushion height, contoured surface depth and occupancy estimates for continuous benches?", "What evidence is sufficient to assess undocumented, repaired or modified seats when original load limits and component specifications are unavailable?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }, "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.", "facetsInferred": false, "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 seat, record what state it is in, and decide what may be done with it.", "whatItIs": "furniture that is designed for sitting on", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "portable", "scale": "handheld" }, "whatYouCanDoWithIt": [ "picked up and handled" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: armchair, banquette, barber chair, bath chair, bench, box seat, camp chair, campstool, captain's chair, cathedra, bishop's throne, chair.", "66 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it." ], "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 seat, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Fits in a hand and is carried without help.", "Moved by a person without machinery.", "Does nothing on its own; everything it does, something else did to it." ], "whatCanBeDoneWithIt": [ "pick it up, hold it, put it somewhere else" ], "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": [ "armchair", "banquette", "barber chair", "bath chair", "bench", "box seat", "camp chair", "campstool", "captain's chair", "cathedra", "bishop's throne", "chair" ] } ], "standing": "66 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 seat from another, and a seat 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 seat, 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 seat, 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 seat 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 seat, 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 seat, 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 seat 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 seat 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 seat, 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 seat, 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 seat 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 seat from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a seat, 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 seat, 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 seat 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 seat 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 at handheld scale.", "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 seat, 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 seat, 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 seat 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 seat is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a seat, 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 seat, 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 seat 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 seat is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a seat, 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 seat, 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 seat 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 seat is, how it got there and where it may go (portable).", "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 seat is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a seat, 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 seat, 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 seat 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 seat 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 seat, 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 seat, 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 seat 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 seat 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 seat between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a seat, 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 seat, 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 seat 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 seat, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a seat 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 seat, 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 seat, 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 seat 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 seat 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 seat 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 seat, 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 seat 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 seat 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 seat 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 seat 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 seat 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 seat, 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 seat 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 seat and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a seat, 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 seat, 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 seat 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 seat is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a seat, 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 seat, 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 seat 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 } } } }