{ "model": { "rank": 4610, "code": "thing-q15783", "model_id": "vr.tr.skateboard", "name": "skateboard", "purpose": "Enable an agent to recognise a skateboard, assess its configuration and condition, and determine suitable uses, adjustments and repairs.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q15783/", "tier": 2, "score": 74, "payload": { "layer": "wikidata", "aliases": [ "motorized skateboard", "snakeboard", "Skatecycle", "freeboard" ], "aliasCount": 4, "merged": 4, "knownIn": 74, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q15783", "url": "https://www.wikidata.org/wiki/Q15783", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T20:37:03Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 20.5, "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: 01a087e2-6dde-70f1-9ac7-0d1c196671a3\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: skateboard\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 1001 regi", "usd": 0, "recall": true }, "codex": { "seconds": 65.5, "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: 01a087e2-6dde-79e1-81bb-d8a7a2118e6d\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: skateboard\nRegistry id: vr.tr.skateboard\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCo" } } }, "metaModel": { "id": "THING-Q15783", "registryId": "vr.tr.skateboard", "name": "skateboard", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q15783/", "model": { "registry_id": "vr.tr.skateboard", "name": "skateboard", "purpose": "Enable an agent to recognise a skateboard, assess its configuration and condition, and determine suitable uses, adjustments and repairs.", "definition": "A skateboard is a wheeled riding platform consisting typically of a deck supported by two steerable truck assemblies carrying four wheels, used for standing travel and manoeuvres powered by pushing, gravity, or, in electric variants, a motor.", "scope_statement": "This model owns the registered kind vr.tr.skateboard in PHY / PHY.OBJ: a rideable wheeled board typically steered through rider weight and truck movement, including the attributes needed to assess particular examples without treating a product model or individual board as the kind itself.", "in_scope": [ "Deck, standing surface, trucks, wheels, bearings and their assembled relationships", "Geometry and setup affecting stance, steering, rolling and ground clearance", "Propulsion, slowing and stopping provisions, including identification of powered variants", "Suitability for intended riding styles and surfaces", "Component compatibility, wear, damage and service readiness" ], "out_of_scope": [ "Skateboarding as a sport, practice or cultural activity", "Rider competence, injury diagnosis and personal protective equipment", "Skateparks, roads and other riding infrastructure", "Brand organisations, product catalogues and individual ownership records", "Detailed battery, motor and controller models for powered variants", "Scooters, roller skates and wheelless boards" ], "distinguishing_features": [ "The rider stands on a shared deck supported by wheels, rather than wearing a separate wheeled assembly on each foot.", "A conventional skateboard uses front and rear truck assemblies that turn in response to deck lean; record departures from this arrangement explicitly.", "Steering ordinarily requires no upright handlebar or steering column, distinguishing it from a scooter.", "The deck supports repositioning of the rider's feet without requiring fixed bindings.", "Travel depends on wheels contacting the riding surface, distinguishing it from a snowboard or surfboard." ], "characteristics": [ { "name": "Board configuration", "kind": "category", "unit_or_values": "street/park; cruiser; longboard; other; uncertain; labels may overlap", "why_it_matters": "Guides interpretation of geometry and intended use without assuming configuration labels are separate registry kinds." }, { "name": "Propulsion provision", "kind": "category", "unit_or_values": "unpowered; motor-assisted; motor-driven; unknown", "why_it_matters": "Determines whether assessment must include powered movement and links to drive-system models." }, { "name": "Deck dimensions", "kind": "measurement", "unit_or_values": "length, maximum width and thickness in mm", "why_it_matters": "Describes standing space and constrains component selection." }, { "name": "Wheelbase", "kind": "measurement", "unit_or_values": "mm, with mounting-hole or axle-to-axle measurement convention recorded", "why_it_matters": "Supports comparisons of stance and turning geometry without mixing different measurement definitions." }, { "name": "Deck profile", "kind": "category", "unit_or_values": "concave, kicktail, nose, camber, rocker and drop features recorded separately", "why_it_matters": "Identifies foot support, leverage and clearance features." }, { "name": "Deck construction", "kind": "category", "unit_or_values": "documented material, laminate or composite construction; unknown", "why_it_matters": "Informs inspection for construction-specific damage and interpretation of flex." }, { "name": "Truck and mounting configuration", "kind": "relation", "unit_or_values": "front and rear truck type, axle width in mm, mounting pattern and riser arrangement", "why_it_matters": "Determines assembly compatibility, wheel position and steering arrangement." }, { "name": "Wheel specification", "kind": "measurement", "unit_or_values": "diameter and width in mm; hardness with durometer scale and source", "why_it_matters": "Supports clearance and surface-suitability assessment while avoiding comparisons across unspecified hardness scales." }, { "name": "Ready-to-ride mass", "kind": "measurement", "unit_or_values": "kg", "why_it_matters": "Affects carrying and handling and distinguishes complete-board mass from component mass." }, { "name": "Documented load limit", "kind": "measurement", "unit_or_values": "kg, with manufacturer source and applicable conditions; unknown if unavailable", "why_it_matters": "Prevents an agent from inferring load capacity from appearance or board size." }, { "name": "Stopping provisions", "kind": "category", "unit_or_values": "no dedicated brake; mechanical brake; drive-system braking; other; unknown", "why_it_matters": "Identifies what stopping capability belongs to the board and what depends on rider technique." }, { "name": "Service readiness", "kind": "state", "unit_or_values": "unassessed; ready for specified use; adjustment required; repair required; withdrawn from use", "why_it_matters": "Connects inspection evidence to a bounded action decision." } ], "affordances": [ "Classify a board configuration and identify departures from conventional skateboard construction.", "Assess fit between a documented setup, intended riding style and surface.", "Check proposed deck, truck, wheel, bearing and riser combinations for compatibility.", "Inspect steering, rolling, grip and structural condition before assigning service readiness.", "Specify supported adjustments or component replacements and the checks needed afterward.", "Link powered equipment and applicable requirements to their authoritative supporting records." ] }, "sources": [], "structure": { "bundles": [ { "id": "identity-and-riding-role", "name": "Identity and riding role", "description": "Establish what qualifies as this kind and what the particular configuration is intended to do.", "rationale": "Skateboard names overlap across riding styles, and powered or unusual constructions require explicit boundary decisions.", "layers": [ { "id": "board-kind-boundary", "name": "Board kind boundary", "description": "Separate defining skateboard features from neighbouring wheeled devices.", "findings": [ { "id": "rideable-board-arrangement", "name": "Rideable board arrangement", "description": "Record the shared standing deck, wheel arrangement, steering mechanism and any handlebars or bindings as classification evidence.", "questions": [ { "text": "What deck, wheel and steering arrangement makes this object a skateboard?", "kind": "definition", "id": "rideable-board-arrangement-q01" }, { "text": "Does an unusual wheel layout, binding system or steering device place it in a neighbouring registered kind?", "kind": "boundary", "id": "rideable-board-arrangement-q02" } ] } ] }, { "id": "configuration-and-use", "name": "Configuration and use", "description": "Connect riding-role labels to documented design and use constraints.", "findings": [ { "id": "intended-riding-envelope", "name": "Intended riding envelope", "description": "Record claimed uses such as street tricks, park riding, cruising or downhill riding without inferring suitability from appearance alone.", "questions": [ { "text": "Which riding styles and surfaces does the manufacturer or builder identify for this setup?", "kind": "provenance", "id": "intended-riding-envelope-q01" }, { "text": "Which proposed uses fall outside the available evidence for this configuration?", "kind": "boundary", "id": "intended-riding-envelope-q02" } ] } ] } ] }, { "id": "deck-and-foot-interface", "name": "Deck and foot interface", "description": "Describe the platform that carries the rider and transmits foot forces.", "rationale": "Deck shape, flex and grip directly affect stance, leverage and retention of foot contact.", "layers": [ { "id": "deck-geometry-and-construction", "name": "Deck geometry and construction", "description": "Capture dimensions, profile and construction with explicit measurement conventions.", "findings": [ { "id": "standing-platform-profile", "name": "Standing platform profile", "description": "Record usable standing area, concave, nose and tail features, construction and any measured flex with its loading conditions.", "questions": [ { "text": "What are the deck dimensions, profile features and wheelbase, and how were they measured?", "kind": "measurement", "id": "standing-platform-profile-q01" }, { "text": "What evidence identifies the deck construction and any claimed flex behaviour?", "kind": "provenance", "id": "standing-platform-profile-q02" } ] } ] }, { "id": "foot-contact-and-leverage", "name": "Foot contact and leverage", "description": "Assess the standing surface and shapes used to apply rider control forces.", "findings": [ { "id": "grip-and-foot-support", "name": "Grip and foot support", "description": "Record grip treatment, usable foot placement and nose or tail leverage without treating a rider-specific stance as an intrinsic board property.", "questions": [ { "text": "Which areas provide secure foot contact, and where is grip worn, loose or contaminated?", "kind": "measurement", "id": "grip-and-foot-support-q01" }, { "text": "Does the observed standing surface require cleaning, grip replacement or further assessment before the intended use?", "kind": "action", "id": "grip-and-foot-support-q02" } ] } ] } ] }, { "id": "trucks-wheels-and-clearance", "name": "Trucks, wheels and clearance", "description": "Model the assemblies that support rolling and convert deck lean into turning.", "rationale": "Truck adjustment, wheel selection and deck clearance interact; assessing components independently can miss binding or wheel bite.", "layers": [ { "id": "truck-steering-response", "name": "Truck steering response", "description": "Describe front and rear steering assemblies and their adjustment state.", "findings": [ { "id": "lean-to-turn-mechanism", "name": "Lean-to-turn mechanism", "description": "Record truck geometry, bushings or alternative restoring elements, pivot condition and observed steering movement.", "questions": [ { "text": "How does each truck convert deck lean into wheel steering, and what adjustment instructions apply?", "kind": "definition", "id": "lean-to-turn-mechanism-q01" }, { "text": "Is steering movement free of binding and unintended looseness under a documented inspection procedure?", "kind": "measurement", "id": "lean-to-turn-mechanism-q02" } ] } ] }, { "id": "rolling-and-interference", "name": "Rolling and interference", "description": "Assess wheels and bearings together with the space available for their movement.", "findings": [ { "id": "wheel-bearing-clearance", "name": "Wheel, bearing and clearance compatibility", "description": "Record wheel dimensions, bearing fit, axle retention and clearance from the deck or other parts through the relevant steering movement.", "questions": [ { "text": "What wheel dimensions, bearing interfaces and axle hardware are installed, and are they compatible?", "kind": "measurement", "id": "wheel-bearing-clearance-q01" }, { "text": "What evidence establishes clearance against wheel bite for the intended load and steering range?", "kind": "measurement", "id": "wheel-bearing-clearance-q02" }, { "text": "Would a proposed wheel, riser or truck change require a new interference check?", "kind": "action", "id": "wheel-bearing-clearance-q03" } ] } ] } ] }, { "id": "movement-and-use-constraints", "name": "Movement and use constraints", "description": "Identify how the board moves, slows and interacts with intended riding conditions.", "rationale": "An unpowered skateboard depends heavily on rider input, while powered variants introduce distinct controls and failure states.", "layers": [ { "id": "propulsion-and-stopping", "name": "Propulsion and stopping", "description": "Separate board-provided movement and braking functions from rider techniques.", "findings": [ { "id": "movement-control-provisions", "name": "Movement control provisions", "description": "Record propulsion type, dedicated brakes, powered controls and documented behaviour when a powered system loses power or control communication.", "questions": [ { "text": "What propulsion and stopping functions are physically provided by this board?", "kind": "definition", "id": "movement-control-provisions-q01" }, { "text": "For a powered configuration, what documentation establishes control states, interlocks and behaviour after power or communication loss?", "kind": "provenance", "id": "movement-control-provisions-q02" } ] } ] }, { "id": "surface-load-and-requirements", "name": "Surface, load and requirements", "description": "Connect use decisions to documented load, environmental and compliance constraints.", "findings": [ { "id": "supported-use-conditions", "name": "Supported use conditions", "description": "Record applicable load limits, surface and moisture restrictions, and any standards or certification claims with their issuing bodies and scope.", "questions": [ { "text": "What sources establish load limits and restrictions involving rough surfaces, moisture, slopes or impacts?", "kind": "provenance", "id": "supported-use-conditions-q01" }, { "text": "Which standards or certification claims apply to this configuration and intended market, and what evidence supports them?", "kind": "provenance", "id": "supported-use-conditions-q02" }, { "text": "Does the proposed use satisfy the documented conditions, or must suitability remain unresolved?", "kind": "action", "id": "supported-use-conditions-q03" } ] } ] } ] }, { "id": "inspection-and-component-service", "name": "Inspection and component service", "description": "Turn skateboard-specific condition evidence into maintenance and readiness decisions.", "rationale": "Repeated impacts, vibration and rolling wear affect different components and require checks after repairs or setup changes.", "layers": [ { "id": "damage-and-wear", "name": "Damage and wear", "description": "Inspect the deck, running gear and retaining hardware for defects relevant to continued use.", "findings": [ { "id": "condition-evidence", "name": "Condition evidence", "description": "Record deck cracks or delamination, truck damage, loose fasteners, degraded bushings, wheel flat spots and bearing roughness as observations requiring interpretation.", "questions": [ { "text": "Which defects are visible or detectable in the deck, trucks, wheels, bearings and retaining hardware?", "kind": "measurement", "id": "condition-evidence-q01" }, { "text": "Which observed defects require adjustment, replacement or withdrawal from use under the applicable service guidance?", "kind": "action", "id": "condition-evidence-q02" } ] } ] }, { "id": "replacement-and-return-to-use", "name": "Replacement and return to use", "description": "Control compatibility and verification when servicing or changing the setup.", "findings": [ { "id": "service-validation", "name": "Service validation", "description": "Record replacement specifications, supported cleaning or lubrication methods, fastening instructions and checks of rolling, steering and clearance after service.", "questions": [ { "text": "What evidence supports the selected replacement parts, consumables and service procedure for this assembly?", "kind": "provenance", "id": "service-validation-q01" }, { "text": "Which post-service checks establish secure assembly, free rolling, usable steering and adequate wheel clearance?", "kind": "action", "id": "service-validation-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": [ "This describes the equipment kind, not a particular product model or individual board.", "Dimension ranges are approximate examples for the named uses, not universal limits or standard requirements.", "A researcher should check the applicable edition and scope of EN 13613, particularly before applying it to electric boards, and verify local riding rules." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of skateboard 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": [ "Street and park skateboard", "Cruiser skateboard", "Longboard", "Downhill skateboard", "Surfskate", "Electric skateboard" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of skateboard 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 13613, issued by the European Committee for Standardization (CEN), specifies safety requirements and test methods for skateboards." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of skateboard 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": [ "Recreational riding", "Short-distance transportation", "Street and skatepark tricks", "Ramp and bowl riding", "Downhill riding and racing" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of skateboard 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": "Conventional street or park deck length", "typical_range": "Approximately 71-84", "unit": "cm" }, { "quantity": "Conventional street or park deck width", "typical_range": "Approximately 18-23", "unit": "cm" }, { "quantity": "Street or park wheel diameter", "typical_range": "Approximately 48-60", "unit": "mm" }, { "quantity": "Cruiser or longboard wheel diameter", "typical_range": "Approximately 60-85", "unit": "mm" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of skateboard 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": [ "Deck fracture or delamination can cause sudden loss of support.", "Loose or fractured truck components and wheel-retaining hardware can cause loss of steering or wheel separation.", "Contaminated or damaged bearings can increase rolling resistance or seize.", "Wheel contact with the deck during turning, called wheelbite, or impact with small obstacles can abruptly stop the board.", "Loss of traction, unstable oscillation at speed, and collisions can throw the rider." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of skateboard 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": [ "Deck widths are commonly marketed in inches, while wheel diameters are commonly specified in millimetres.", "Rules governing riding on roads, pavements, and public spaces vary by jurisdiction; electric variants may have a separate legal classification." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of skateboard 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": "Longboard", "difference": "A skateboard subtype generally distinguished by its geometry and riding purpose, often with a longer wheelbase and larger wheels; length alone does not provide a universal boundary." }, { "name": "Roller skate", "difference": "Attaches a separate wheeled assembly to each foot rather than supporting the rider on a shared deck." }, { "name": "Kick scooter", "difference": "Has a handlebar and steering column, whereas a skateboard is ordinarily steered through weight shifts acting on its trucks." }, { "name": "Snowboard", "difference": "Slides on snow using a continuous base and typically secures the rider's feet with bindings, rather than rolling on wheels." }, { "name": "Skateboarding", "difference": "Names the activity performed with the equipment rather than the physical object." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of skateboard this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend skateboard to include longboards, electric skateboards and caster boards, or are any already represented by neighbouring entries or world models?", "Which authoritative standards and conformity schemes apply to each included configuration, intended user group and market?", "What sourced ranges of deck dimensions, wheel sizes, wheelbase and load limits are useful without turning common examples into defining requirements?", "Which manufacturer or technical sources provide defensible rejection criteria for deck damage, truck defects, bearing condition and wheel wear?", "What inspection procedure can establish wheel-bite clearance and steering suitability across rider loads without implying that a static check certifies riding stability?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 30 } }, "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 skateboard, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to recognise a skateboard, assess its configuration and condition, and determine suitable uses, adjustments and repairs.", "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: motorized skateboard, snakeboard, Skatecycle, freeboard.", "4 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 74 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 skateboard, 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": [ "motorized skateboard", "snakeboard", "Skatecycle", "freeboard" ] } ], "standing": "Described in 74 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 4 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 skateboard from another, and a skateboard 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 skateboard, 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 skateboard, 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 skateboard 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 skateboard, 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 skateboard, 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 skateboard 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 skateboard 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 skateboard, 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 skateboard, 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 skateboard 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 skateboard from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a skateboard, 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 skateboard, 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 skateboard 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 skateboard 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 skateboard, 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 skateboard, 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 skateboard 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 skateboard is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a skateboard, 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 skateboard, 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 skateboard 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 skateboard is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a skateboard, 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 skateboard, 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 skateboard 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 skateboard 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 skateboard is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a skateboard, 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 skateboard, 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 skateboard 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 skateboard 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 skateboard, 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 skateboard, 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 skateboard 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 skateboard 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 skateboard between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a skateboard, 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 skateboard, 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 skateboard 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 skateboard, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a skateboard 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 skateboard, 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 skateboard, 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 skateboard 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 skateboard 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 skateboard 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 skateboard, 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 skateboard 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 skateboard 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 skateboard 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 skateboard 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 skateboard 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 skateboard, 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 skateboard 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 skateboard and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a skateboard, 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 skateboard, 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 skateboard 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 skateboard is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a skateboard, 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 skateboard, 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 skateboard 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 } } } }