{ "model": { "rank": 6539, "code": "thing-q191657", "model_id": "vr.tr.stirrup", "name": "stirrup", "purpose": "Enable an AI agent to recognise an equestrian stirrup, assess its fit, attachment and condition, and determine whether it may be fitted, adjusted, used, maintained or withdrawn.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q191657/", "tier": 2, "score": 60, "payload": { "layer": "wikidata", "aliases": [ "Tekko", "Tapadero", "Abumi" ], "aliasCount": 3, "merged": 3, "knownIn": 60, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q191657", "url": "https://www.wikidata.org/wiki/Q191657", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T15:15:23Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.0289425, "turns": 5, "seconds": 209.3, "error": null }, "codex": { "seconds": 80.6, "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: 01a07c6a-f161-7f41-9aed-60368abe7976\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: stirrup\nRegistry id: vr.tr.stirrup\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy m" } } }, "metaModel": { "id": "THING-Q191657", "registryId": "vr.tr.stirrup", "name": "stirrup", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q191657/", "model": { "registry_id": "vr.tr.stirrup", "name": "stirrup", "purpose": "Enable an AI agent to recognise an equestrian stirrup, assess its fit, attachment and condition, and determine whether it may be fitted, adjusted, used, maintained or withdrawn.", "definition": "A stirrup is a paired, usually metal, foot-rest hung from a riding saddle by an adjustable leather or fender, giving the rider a platform to mount, stabilize the seat, and transmit weight and leg aids to a horse or other riding animal.", "scope_statement": "This draft provisionally treats stirrup as the equestrian foot support suspended from a saddle and owns its body, tread, suspension interface and any integral foot-release mechanism; the intended registry sense remains unresolved.", "in_scope": [ "The individual stirrup and its intended riding use", "Foot opening, tread geometry and interaction with riding footwear", "Interface with a stirrup leather or other specified suspension", "Integral release, opening or articulation features", "Condition, maintenance requirements and evidence supporting use or withdrawal" ], "out_of_scope": [ "The saddle and its stirrup bars as complete assemblies", "The stirrup leather, buckle and adjustment system as separate components", "Riding boots and other rider equipment as independent objects", "Horse health, rider competence and riding technique", "Construction reinforcement stirrups, medical supports and the anatomical stapes pending registry sense clarification" ], "distinguishing_features": [ "Its documented purpose or installed arrangement places a tread beneath a rider's foot with support transmitted to a saddle suspension.", "It has a foot-receiving space associated with its tread, rather than functioning only as a strap, attachment ring or saddle fitting.", "Its suspension interface connects the foot-support body to a stirrup leather or specified equivalent; a saddle stirrup bar instead provides the saddle-side attachment.", "An opening side or release feature is compatible with this classification when the object still performs the suspended riding-foot-support role.", "A loop-shaped object used to hold reinforcing bars or support a patient is a different sense of the word and requires registry clarification before this draft applies." ], "characteristics": [ { "name": "Intended stirrup sense and use", "kind": "category", "unit_or_values": "equestrian riding support; other documented sense; unresolved", "why_it_matters": "Prevents applying riding-specific assessments to a different object called a stirrup." }, { "name": "Foot-opening geometry", "kind": "measurement", "unit_or_values": "clear width and height in mm, with measurement locations", "why_it_matters": "Supports assessment of boot entry, clearance and withdrawal." }, { "name": "Tread dimensions", "kind": "measurement", "unit_or_values": "usable width and depth in mm", "why_it_matters": "Describes the surface available to support the intended boot." }, { "name": "Tread surface", "kind": "category", "unit_or_values": "documented surface pattern, material and replaceable insert type", "why_it_matters": "Identifies the intended boot-contact surface and the parts whose wear or loss changes it." }, { "name": "Suspension interface", "kind": "relation", "unit_or_values": "eye or attachment geometry linked to the specified leather or suspension", "why_it_matters": "Allows attachment compatibility to be judged for the actual assembly." }, { "name": "Orientation and handedness", "kind": "category", "unit_or_values": "left; right; interchangeable; orientation-specific; unknown, with evidence", "why_it_matters": "Some designs need a particular mounting direction or side assignment." }, { "name": "Foot-release arrangement", "kind": "category", "unit_or_values": "fixed body; opening side; detachable element; other documented mechanism; unknown", "why_it_matters": "Separates intended release behaviour from ordinary movement, missing parts or damage." }, { "name": "Structural and tread condition", "kind": "state", "unit_or_values": "observations of cracking, deformation, wear, corrosion, looseness and missing parts, with locations", "why_it_matters": "Provides evidence for deciding whether the foot support remains suitable for use." }, { "name": "Release mechanism condition", "kind": "state", "unit_or_values": "not applicable; unassessed; obstructed; damaged; checked according to identified instructions", "why_it_matters": "Avoids treating the presence of a release feature as proof that it functions." }, { "name": "Use disposition", "kind": "state", "unit_or_values": "unassessed; eligible for specified use; awaiting assessment; withdrawn, with reasons", "why_it_matters": "Connects observations and documented limits to an explicit decision." } ], "affordances": [ "Classify the object and resolve whether the equestrian model applies.", "Compare its foot opening and tread with specified riding footwear.", "Assess and fit its suspension interface according to identified instructions.", "Inspect the body, tread and any release mechanism using appropriate procedures.", "Clean, service or replace permitted stirrup components.", "Assign a supported use disposition or withdraw it pending assessment." ] }, "sources": [ { "id": "SRC-001", "title": "Stirrup (Wikipedia, Wikimedia Foundation)", "url": "https://en.wikipedia.org/wiki/Stirrup", "what_it_supports": "Riding-equipment sense, historical spread, and distinction from unrelated homonyms.", "url_status": "live" }, { "id": "SRC-002", "title": "Q191657 stirrup (Wikidata, Wikimedia Foundation)", "url": "https://www.wikidata.org/wiki/Q191657", "what_it_supports": "Canonical identifier for the equestrian stirrup as a physical object.", "url_status": "live" }, { "id": "SRC-003", "title": "FEI Jumping Rules (Fédération Équestre Internationale)", "url": "", "what_it_supports": "Competition tack rules that treat stirrups as regulated riding equipment rather than unregulated hardware." } ], "structure": { "bundles": [ { "id": "stirrup-identity", "name": "Stirrup identity", "description": "Establishes which sense of stirrup applies and identifies the particular riding design.", "rationale": "Shape and name alone cannot establish that an object is a riding stirrup or identify its operating requirements.", "layers": [ { "id": "object-sense", "name": "Object sense", "description": "Connects the object to its intended foot-support role.", "findings": [ { "id": "equestrian-role", "name": "Equestrian role", "description": "Record evidence that the object supports a rider's foot through a saddle suspension.", "questions": [ { "text": "What intended use or observed assembly establishes this as an equestrian stirrup?", "kind": "definition", "id": "equestrian-role-q01" }, { "text": "Could this object instead belong to another registered sense of stirrup?", "kind": "boundary", "id": "equestrian-role-q02" } ] } ] }, { "id": "design-identification", "name": "Design identification", "description": "Identifies the design whose instructions and parts apply.", "findings": [ { "id": "design-and-variant", "name": "Design and variant", "description": "Record maker, model, variant and identifying marks where available, distinguishing verified identity from resemblance.", "questions": [ { "text": "Which markings or records identify this stirrup's maker, model and variant?", "kind": "provenance", "id": "design-and-variant-q01" }, { "text": "Which instructions match this variant, including its tread and any release components?", "kind": "provenance", "id": "design-and-variant-q02" } ] } ] } ] }, { "id": "boot-support-and-clearance", "name": "Boot support and clearance", "description": "Describes how the intended boot enters, rests on and leaves the stirrup.", "rationale": "Stirrup suitability depends on the relationship between its geometry and the actual footwear.", "layers": [ { "id": "foot-opening", "name": "Foot opening", "description": "Captures the usable opening and restrictions on boot movement.", "findings": [ { "id": "boot-clearance", "name": "Boot clearance", "description": "Record opening measurements and their relationship to the specified boot without inventing a universal clearance rule.", "questions": [ { "text": "What are the clear opening dimensions at the points relevant to the intended boot?", "kind": "measurement", "id": "boot-clearance-q01" }, { "text": "What documented fit criterion supports accepting or rejecting this boot and stirrup combination?", "kind": "boundary", "id": "boot-clearance-q02" } ] } ] }, { "id": "tread-contact", "name": "Tread contact", "description": "Describes the boot-support surface and any fitted tread insert.", "findings": [ { "id": "usable-tread", "name": "Usable tread", "description": "Record tread dimensions, profile, surface and insert security as they affect boot support.", "questions": [ { "text": "What usable tread width, depth and inclination does this stirrup provide?", "kind": "measurement", "id": "usable-tread-q01" }, { "text": "What tread or insert is specified, and is the fitted surface complete and secure?", "kind": "definition", "id": "usable-tread-q02" } ] } ] } ] }, { "id": "saddle-suspension-interface", "name": "Saddle suspension interface", "description": "Describes how this stirrup attaches to its suspension and occupies its intended riding position.", "rationale": "A suitable foot support still requires a compatible attachment and correct orientation.", "layers": [ { "id": "attachment-compatibility", "name": "Attachment compatibility", "description": "Captures the stirrup-side interface and its specified mating component.", "findings": [ { "id": "suspension-fit", "name": "Suspension fit", "description": "Record attachment geometry, the actual suspension component and evidence of compatibility.", "questions": [ { "text": "What are the usable dimensions and form of the leather eye or alternative attachment?", "kind": "measurement", "id": "suspension-fit-q01" }, { "text": "Which suspension types and dimensions are documented as compatible with this stirrup?", "kind": "boundary", "id": "suspension-fit-q02" } ] } ] }, { "id": "mounted-orientation", "name": "Mounted orientation", "description": "Captures side assignment, mounting direction and designed movement.", "findings": [ { "id": "orientation-and-movement", "name": "Orientation and movement", "description": "Record left or right assignment, required facing direction and any intended articulation separately from unintended looseness.", "questions": [ { "text": "Does this design specify a side, facing direction or permitted range of movement?", "kind": "definition", "id": "orientation-and-movement-q01" }, { "text": "What fitting or adjustment is required to achieve that orientation with the actual suspension?", "kind": "action", "id": "orientation-and-movement-q02" } ] } ] } ] }, { "id": "foot-exit-and-release", "name": "Foot exit and release", "description": "Distinguishes the normal foot-withdrawal path from any designed opening or release function.", "rationale": "An agent must not infer reliable release from a product label or confuse a release feature with a broken side.", "layers": [ { "id": "exit-path", "name": "Exit path", "description": "Records the geometry through which the boot is intended to leave the stirrup.", "findings": [ { "id": "withdrawal-obstructions", "name": "Withdrawal obstructions", "description": "Record features, attachments or contamination that may obstruct the intended boot-exit path.", "questions": [ { "text": "Through which opening or designed moving element is the boot intended to exit?", "kind": "definition", "id": "withdrawal-obstructions-q01" }, { "text": "What observed interference from the boot, added accessories or debris requires further assessment?", "kind": "boundary", "id": "withdrawal-obstructions-q02" } ] } ] }, { "id": "release-mechanism", "name": "Release mechanism", "description": "Captures the specified operation and assessment of an integral release feature, where present.", "findings": [ { "id": "documented-release-behaviour", "name": "Documented release behaviour", "description": "Record intended activation, reset or replacement requirements and the limits of available evidence.", "questions": [ { "text": "What manufacturer documentation describes the release direction, activation conditions and limitations?", "kind": "provenance", "id": "documented-release-behaviour-q01" }, { "text": "What inspection, function check or post-activation replacement procedure is permitted for this mechanism?", "kind": "action", "id": "documented-release-behaviour-q02" } ] } ] } ] }, { "id": "condition-and-use-decision", "name": "Condition and use decision", "description": "Connects the condition and history of the foot-support assembly to maintenance and use decisions.", "rationale": "Visible appearance alone cannot establish the integrity of the body, attachment eye, tread or release components.", "layers": [ { "id": "support-integrity", "name": "Support integrity", "description": "Records defects and events relevant to the stirrup's load-bearing portions.", "findings": [ { "id": "damage-and-loading-history", "name": "Damage and loading history", "description": "Record condition at the eye, sides, tread and joints alongside known impacts, deformation or unauthorised modification.", "questions": [ { "text": "Where are cracks, wear, corrosion, deformation, loose joints or missing components observed?", "kind": "measurement", "id": "damage-and-loading-history-q01" }, { "text": "What is known about falls, impacts, unusual loading, repairs or modifications involving this stirrup?", "kind": "provenance", "id": "damage-and-loading-history-q02" } ] } ] }, { "id": "service-and-disposition", "name": "Service and disposition", "description": "Determines the supported next action for the identified stirrup and intended use.", "findings": [ { "id": "permitted-next-use", "name": "Permitted next use", "description": "Record applicable restrictions, allowable service and unresolved evidence before assigning a use disposition.", "questions": [ { "text": "Which documented use limits or rejection criteria apply to this model and its observed condition?", "kind": "boundary", "id": "permitted-next-use-q01" }, { "text": "Should this stirrup be fitted, serviced, referred for assessment or withdrawn, and what evidence supports that action?", "kind": "action", "id": "permitted-next-use-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": [ "Fillis-pattern English stirrup iron (stainless or plated, with a tread)", "Western oxbow stirrup (narrow, rounded, used for roping security)", "Western visalia or bell stirrup (wider tread, often leather-covered wood or metal)", "Safety or release stirrup (peacock outer, hinged branch, magnetic, or elasticated)", "Offset-eye jumping or dressage stirrup", "Lightweight polymer, carbon or aluminium endurance stirrup", "Cage or enclosed children's stirrup", "Historic or ethnographic forms (medieval arched iron, Japanese abumi, Indian toe-ring)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of stirrup 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": "Q191657", "note": "Item for the riding stirrup; not the stapes, rebar stirrup, or stirrup pump." }, { "scheme": "Manufacturer SKU", "value_or_pattern": "brand + model + tread width (often in inches, e.g. 4.75 in)", "note": "How tack shops and catalogues actually stock them; no single global product code." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of stirrup 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": [ "FEI Jumping Rules and related FEI discipline rules (Fédération Équestre Internationale) - permitted tack, including stirrups, and the requirement that equipment not endanger horse or rider.", "The Pony Club (UK) rule book - stirrup tread should be about 1 cm wider than the boot; safety stirrups are required or strongly expected for many junior members.", "USEF discipline rules (United States Equestrian Federation) - permitted stirrup types and tack in hunter, jumper and dressage competition.", "EU General Product Safety Regulation (Regulation (EU) 2023/988) - consumer stirrups sold in the EU as consumer products, with no stirrup-specific ISO named here." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of stirrup 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": [ "Hung from the saddle's stirrup bars on leathers (English) or fenders (Western); the rider's boot rests on the tread.", "Used to mount from the ground, usually from the near side.", "English riding: shorter leathers for jumping and two-point, longer for dressage; used to post the trot.", "Western stock and trail work: security and mounting, with oxbows for roping or wider treads for long hours in the saddle.", "Race riding uses very short leathers; riding schools check size and often specify safety stirrups for novices and children." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of stirrup 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": "Tread width (adult English iron)", "typical_range": "110-125", "unit": "mm" }, { "quantity": "Clearance of tread beyond the boot", "typical_range": "10-20", "unit": "mm" }, { "quantity": "Mass per steel Fillis stirrup", "typical_range": "0.4-0.7", "unit": "kg" }, { "quantity": "Mass per composite or aluminium stirrup", "typical_range": "0.15-0.4", "unit": "kg" }, { "quantity": "Adult stirrup-leather length", "typical_range": "120-150", "unit": "cm" }, { "quantity": "Eye (leather-slot) opening", "typical_range": "25-32", "unit": "mm" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of stirrup 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": [ "Rider's foot goes through the stirrup in a fall and is dragged by the horse.", "Stirrup leather, buckle or stitching fails under load and dumps the rider.", "Crack or fracture at the eye or branch (fatigue, impact, corrosion, or sudden composite failure).", "Safety-release mechanism does not open in a fall, or opens during normal riding.", "Wrong size: too wide (foot slips through) or too narrow (foot cannot be freed).", "Worn, missing or slippery tread; leather twist that hangs the iron backwards." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of stirrup 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": [ "British usage often calls them stirrup irons; leathers are sold by length and punched with numbered holes.", "North American Western saddles hang stirrups from wide fenders; ranch and vaquero work may add tapaderos; oxbows versus wide treads mark roping versus trail practice.", "Safety stirrups are more often mandated in UK and European riding schools and Pony Club than in US Western recreation; Japanese historical abumi commonly enclosed the toe." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of stirrup 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": "stirrup leather or fender", "difference": "The strap that hangs the iron from the saddle, not the foot-rest itself." }, { "name": "stirrup bar", "difference": "The saddle fitting the leather hooks onto; a part of the saddle, not a stirrup." }, { "name": "reinforcing-bar stirrup", "difference": "A closed loop of steel around main bars in concrete; it is embedded in a member, not hung from a saddle." }, { "name": "stapes (stirrup bone)", "difference": "An auditory ossicle in the middle ear; anatomical, not tack." }, { "name": "lithotomy or operating-table stirrup", "difference": "A medical leg support fixed to a table, not a riding iron." }, { "name": "climbing etrier (aider)", "difference": "A webbing ladder used in aid climbing; it hangs from protection, not from a riding saddle." }, { "name": "stirrup pump", "difference": "A hand-operated reciprocating fire pump; a machine, not a foot-rest." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of stirrup this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does vr.tr.stirrup denote the equestrian object specifically, or must another sense be resolved before this scope is accepted?", "Does an existing Vercy world model already own this concept and require a link instead of a separate model?", "Which authoritative sources establish footwear-clearance and suspension-compatibility criteria for the designs covered?", "Which release designs are in scope, and what evidence supports their inspection procedures and claimed operating limits?", "Which sources establish material-specific rejection criteria, service intervals and treatment after an impact or release event?" ], "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. 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 stirrup, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise an equestrian stirrup, assess its fit, attachment and condition, and determine whether it may be fitted, adjusted, used, maintained or withdrawn.", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Tekko, Tapadero, Abumi.", "3 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 60 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 stirrup, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "Tekko", "Tapadero", "Abumi" ] } ], "standing": "Described in 60 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 3 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 stirrup from another, and a stirrup 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 stirrup, 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 stirrup, 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 stirrup 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 stirrup, 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 stirrup, 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 stirrup 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 stirrup 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 stirrup, 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 stirrup, 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 stirrup 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 stirrup from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a stirrup, 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 stirrup, 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 stirrup 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 stirrup 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 stirrup, 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 stirrup, 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 stirrup 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 stirrup is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a stirrup, 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 stirrup, 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 stirrup 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 stirrup is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a stirrup, 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 stirrup, 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 stirrup 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 stirrup 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 stirrup is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a stirrup, 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 stirrup, 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 stirrup 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 stirrup 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 stirrup, 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 stirrup, 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 stirrup 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 stirrup 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 stirrup between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a stirrup, 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 stirrup, 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 stirrup 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 stirrup, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a stirrup 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 stirrup, 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 stirrup, 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 stirrup 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 stirrup 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 stirrup 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 stirrup, 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 stirrup 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 stirrup 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 stirrup 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 stirrup 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 stirrup 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 stirrup, 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 stirrup 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 stirrup and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a stirrup, 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 stirrup, 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 stirrup 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 stirrup is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a stirrup, 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 stirrup, 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 stirrup 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 } } } }