{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T09:36:12Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 27.6, "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: 01a094f8-3b4e-78f0-ad33-0e9cad9fc069\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: exercise machine\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 043: 100", "usd": 0.0, "recall": true }, "codex": { "seconds": 82.1, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a094f8-3b4f-7521-8eb7-b907dd9fd782\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: exercise machine\nRegistry id: vr.tr.exercise-machine\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry:" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:40:00+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:31+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q4462390", "registryId": "vr.tr.exercise-machine", "name": "exercise machine", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q4462390/", "model": { "registry_id": "vr.tr.exercise-machine", "name": "exercise machine", "purpose": "Enable an AI agent to recognise an exercise machine, record how it supports and loads bodily movement, judge its operating condition, and determine which uses or interventions are permitted.", "definition": "An exercise machine is a mechanical apparatus designed to support, guide or resist repeated bodily movement for physical training.", "scope_statement": "This model owns the registered kind exercise machine (vr.tr.exercise-machine, PHY / PHY.OBJ): apparatus whose mechanical arrangement guides, resists, assists, or drives bodily movement primarily for physical exercise, including the evidence needed to assess particular designs and units without treating them as separate kinds.", "in_scope": [ "Exercise modalities, supported movements, and the machine's intended training function", "Mechanisms that guide movement or generate resistance, assistance, or powered motion", "User interfaces, body supports, fit adjustments, and access requirements", "Operating modes, workload settings, feedback, and stopping behaviour", "Mechanical condition, installation constraints, protective features, and evidence governing use" ], "out_of_scope": [ "Loose free weights, resistance bands, and exercise mats without a machine mechanism", "Individual exercise prescriptions, diagnoses, and decisions about medical suitability", "Fitness facilities, membership services, and staff qualifications", "Product ranges, commercial offers, and procurement transactions", "General transport vehicles and industrial machines whose primary purpose is not exercise", "External training applications and personal activity records beyond their interfaces with the machine" ], "distinguishing_features": [ "Its intended function is bodily exercise; producing movement or requiring physical effort incidentally does not establish membership.", "A mechanical arrangement constrains movement, moves a contact surface, or transmits a controlled exercise load; a loose weight or passive mat alone does not meet this test.", "The exerciser interacts with designated supports or moving interfaces, such as pedals, handles, belts, seats, or levers.", "Membership does not require electricity: user-powered mechanisms and powered mechanisms can both qualify.", "An ordinary bicycle provides transport, while a stationary exercise cycle provides exercise through a stationary pedalling and loading arrangement." ], "characteristics": [ { "name": "Intended exercise modality", "kind": "category", "unit_or_values": "Walking/running; cycling; rowing; stepping; resistance exercise; assisted movement; other documented modality", "why_it_matters": "Identifies the movement and training function the machine is designed to support." }, { "name": "Movement guidance", "kind": "category", "unit_or_values": "Fixed path; adjustable path; cable-mediated movement; moving surface; coupled cyclic movement; other documented arrangement", "why_it_matters": "Distinguishes imposed movement constraints from freedom controlled by the exerciser." }, { "name": "Load or assistance mechanism", "kind": "category", "unit_or_values": "Gravity-loaded; elastic; frictional; magnetic/electromagnetic; fluid; pneumatic; motor-driven; combined", "why_it_matters": "Determines how settings become bodily load and which faults can alter that load." }, { "name": "Power arrangement", "kind": "category", "unit_or_values": "User-powered; externally powered; hybrid; with separate identification of power for motion and electronics", "why_it_matters": "Supports decisions about operation, isolation, and behaviour after power loss." }, { "name": "Exercise output and setpoints", "kind": "measurement", "unit_or_values": "As applicable: speed in m/s or km/h; power in W; force in N; torque in N·m; selected mass in kg; incline in % or degrees; ordinal levels explicitly labelled", "why_it_matters": "Records meaningful workload variables without equating selected mass, displayed levels, and force at the user interface." }, { "name": "Body fit and movement envelope", "kind": "measurement", "unit_or_values": "Seat and handle positions in mm or indexed settings; joint-independent machine travel in mm or degrees; supported user dimensions where documented", "why_it_matters": "Helps establish whether the user can reach controls and move within the machine's intended geometry." }, { "name": "Declared loading limits", "kind": "measurement", "unit_or_values": "Maximum user mass in kg; external load limits in kg or N; restrictions tied to configuration", "why_it_matters": "Separates limits on the user, added weights, and individual components." }, { "name": "Installation and clearance envelope", "kind": "measurement", "unit_or_values": "Machine dimensions and operating/access clearances in mm or m; floor and anchoring requirements by documented reference", "why_it_matters": "Determines whether placement allows stable operation, access, and safe movement." }, { "name": "Operating condition", "kind": "state", "unit_or_values": "Unassessed; ready; operating; paused; stopping; faulted; isolated; withdrawn from service", "why_it_matters": "Distinguishes a functioning display or free-moving mechanism from a unit cleared for use." }, { "name": "Protective feature condition", "kind": "state", "unit_or_values": "Feature-specific: present and verified; present but unverified; defective; absent; not applicable", "why_it_matters": "Prevents assumed protection from an untested stop, guard, restraint, or adjustment lock." }, { "name": "Applicable operating evidence", "kind": "relation", "unit_or_values": "Links to identified manuals, limits, inspection records, service notices, and applicable conformity evidence", "why_it_matters": "Makes decisions traceable to the relevant design, configuration, and individual unit." } ], "affordances": [ "Classify a machine by the movement it supports and the mechanism that loads or assists it.", "Compare documented user fit, loading limits, and installation needs with a proposed use.", "Select supported adjustments and operating settings within verified limits.", "Read exercise feedback while distinguishing measured values from estimates and arbitrary levels.", "Initiate the documented stopping or isolation procedure when conditions require it.", "Identify inspection or service needs and withhold use when critical condition evidence is missing or adverse." ], "agent_conduct": { "may": [ "Guide a user on using an exercise machine within its settings and the user's stated limits.", "Log workouts and report machine faults to the operator.", "Remind users to adjust seats, pins and weights before starting." ], "must_not": [ "Push a user to continue when they report pain, dizziness or chest symptoms.", "Operate or recommend a machine with a known fault, missing guard or frayed cable.", "Leave a running treadmill or loaded machine where children can reach it.", "Share a user's body or performance data without consent." ], "requires_human": [ "Designing a programme for a person with a medical condition or recent injury." ] }, "ethics": { "considerations": [ "Exercise benefits health but overexertion can injure, especially for beginners and older people.", "Children are seriously hurt by home treadmills and weight stacks each year." ], "affected_parties": [ "Users", "Children in homes and gyms", "Gym staff" ] }, "owners": { "steward": "The owner or operator of the gym or home where it is installed.", "master_systems": [] }, "visual_identification": [ "A frame of metal tubes with a seat, bench, belt or handles for the body to push or pull.", "Often has a weight stack, flywheel or moving belt with a console." ], "failure_modes_and_hazards": [ "Pinching and crushing between moving parts and weight plates.", "Falls from moving treadmill belts.", "Cable or pin failure can drop loads on the user." ], "standards_and_regulation": [ "ISO 20957, Stationary training equipment, International Organization for Standardization." ], "what_it_is_for": [ "Exercise machines are found in gyms, homes, rehabilitation facilities and outdoor fitness areas.", "They guide movement or provide resistance for strength, endurance and conditioning exercises.", "Their suitability depends on the intended movement, available adjustments and the user's capabilities." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q4462390: exercise machine", "url": "https://www.wikidata.org/wiki/Q4462390", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Exercise machine", "url": "https://en.wikipedia.org/wiki/Exercise_machine", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "exercise-function-and-boundaries", "name": "Exercise function and boundaries", "description": "Establishes which bodily activity the machine enables and why it belongs to this registered kind.", "rationale": "Exercise machines share purposes with loose equipment, transport devices, and rehabilitation apparatus, so mechanical function and intended use must establish the boundary.", "layers": [ { "id": "intended-movement", "name": "Intended movement", "description": "Describes the exerciser's activity and the machine's contribution to it.", "findings": [ { "id": "exercise-role", "name": "Exercise role", "description": "Record the intended exercise movements and whether the apparatus primarily resists, guides, assists, or drives them.", "questions": [ { "text": "Which exercise movements is the machine designed to support, and what mechanical contribution does it make?", "kind": "definition", "id": "exercise-role-q01" }, { "text": "Which identified instructions establish the intended uses and excluded uses?", "kind": "provenance", "id": "exercise-role-q02" } ] } ] }, { "id": "kind-and-configuration", "name": "Kind and configuration", "description": "Separates membership in the kind from evidence about particular products, attachments, and units.", "findings": [ { "id": "membership-and-attachments", "name": "Membership and attachments", "description": "Record the exercise-producing mechanism and identify attachments whose presence changes supported movements or limits.", "questions": [ { "text": "What mechanism distinguishes this apparatus from a passive support, loose exercise implement, or ordinary transport vehicle?", "kind": "boundary", "id": "membership-and-attachments-q01" }, { "text": "Which attachments and configuration identifiers must match before a movement or operating limit can be attributed to this unit?", "kind": "provenance", "id": "membership-and-attachments-q02" } ] } ] } ] }, { "id": "movement-and-load-generation", "name": "Movement and load generation", "description": "Connects exercise settings to movement constraints and forces experienced at the body interfaces.", "rationale": "A weight-stack label, resistance level, and motor speed describe different physical effects and cannot be treated as interchangeable workloads.", "layers": [ { "id": "kinematic-arrangement", "name": "Kinematic arrangement", "description": "Captures travel, coupling, and movement imposed by the machine.", "findings": [ { "id": "motion-path-and-coupling", "name": "Motion path and coupling", "description": "Record the paths of handles, pedals, seats, levers, or moving surfaces and whether their motions are mechanically linked.", "questions": [ { "text": "Which body-contact components move, along what paths, and which motions are coupled?", "kind": "definition", "id": "motion-path-and-coupling-q01" }, { "text": "What travel limits, stroke lengths, or speed ranges apply in the selected configuration?", "kind": "measurement", "id": "motion-path-and-coupling-q02" } ] } ] }, { "id": "resistance-and-assistance", "name": "Resistance and assistance", "description": "Explains the source and transmission of exercise load or assistance.", "findings": [ { "id": "setting-to-interface-load", "name": "Setting to interface load", "description": "Record how the mechanism translates a selected setting into force, torque, power, or assistance, including dependencies on position and speed.", "questions": [ { "text": "How is resistance or assistance generated, and how do transmission geometry, movement speed, or position affect it?", "kind": "definition", "id": "setting-to-interface-load-q01" }, { "text": "Which quantities are measured or documented at the user interface, and which are only nominal settings?", "kind": "measurement", "id": "setting-to-interface-load-q02" }, { "text": "What evidence supports any conversion from displayed load or selected mass to force, torque, or power?", "kind": "provenance", "id": "setting-to-interface-load-q03" } ] } ] } ] }, { "id": "user-fit-and-access", "name": "User fit and access", "description": "Describes how an exerciser enters, adjusts, contacts, and leaves the machine.", "rationale": "Correct operation depends on body placement, reachable controls, and secure adjustments as well as nominal load capacity.", "layers": [ { "id": "body-interface-and-adjustment", "name": "Body interface and adjustment", "description": "Captures supports, contact points, and adjustable geometry.", "findings": [ { "id": "fit-and-locking", "name": "Fit and locking", "description": "Record available adjustments and the checks that establish engagement of seats, pads, handles, and movement-limit settings.", "questions": [ { "text": "Which contact positions and travel limits can be adjusted, and what documented user dimensions or fit criteria do they accommodate?", "kind": "measurement", "id": "fit-and-locking-q01" }, { "text": "How must each adjustment be secured and checked before loading or powered movement begins?", "kind": "action", "id": "fit-and-locking-q02" } ] } ] }, { "id": "entry-exit-and-capacity", "name": "Entry, exit, and capacity", "description": "Describes mounting, dismounting, support, and configuration-specific loading constraints.", "findings": [ { "id": "supported-access", "name": "Supported access", "description": "Record access routes, stable support points, user loading limits, and any required assistance without inferring medical suitability.", "questions": [ { "text": "What user mass and added-load limits apply, and do attachments or positions change them?", "kind": "measurement", "id": "supported-access-q01" }, { "text": "What mounting and dismounting sequence is documented, including the required state of moving components?", "kind": "action", "id": "supported-access-q02" }, { "text": "Which access or support requirements can this machine model establish, and which suitability decisions require a separate assessment?", "kind": "boundary", "id": "supported-access-q03" } ] } ] } ] }, { "id": "operation-feedback-and-protection", "name": "Operation, feedback, and protection", "description": "Records how exercise starts, changes, stops, and produces feedback under normal and abnormal conditions.", "rationale": "Powered surfaces, stored energy, automatic programs, and remote controls can change movement independently of the user's immediate effort.", "layers": [ { "id": "controls-and-feedback", "name": "Controls and feedback", "description": "Captures operating modes, command authority, and the interpretation of exercise outputs.", "findings": [ { "id": "workload-control-and-display", "name": "Workload control and display", "description": "Record who or what can alter workload and distinguish sensor measurements from calculated exercise metrics.", "questions": [ { "text": "Which local controls, programs, or connected systems can change speed, resistance, incline, or assistance during exercise?", "kind": "action", "id": "workload-control-and-display-q01" }, { "text": "Which displayed outputs are directly measured, calculated, or estimated, and what units and accuracy evidence accompany them?", "kind": "measurement", "id": "workload-control-and-display-q02" } ] } ] }, { "id": "stopping-and-hazard-controls", "name": "Stopping and hazard controls", "description": "Relates foreseeable machine hazards to specific protective features and stopping behaviours.", "findings": [ { "id": "stop-and-residual-energy", "name": "Stop and residual energy", "description": "Record ordinary stopping, emergency provisions where applicable, coasting or descending components, and conditions for restart.", "questions": [ { "text": "What happens to moving surfaces, rotating masses, raised loads, or assisted motion after a stop command or power loss?", "kind": "definition", "id": "stop-and-residual-energy-q01" }, { "text": "Which guards, stops, interlocks, restraints, or load-retention features address the identified hazards, and how is their function verified?", "kind": "action", "id": "stop-and-residual-energy-q02" }, { "text": "What conditions must be satisfied before a stopped or faulted machine may restart?", "kind": "action", "id": "stop-and-residual-energy-q03" } ] } ] } ] }, { "id": "installation-condition-and-use-evidence", "name": "Installation, condition, and use evidence", "description": "Connects the installed machine's environment and wear condition to evidence supporting continued use.", "rationale": "Exercise loads, repeated cycles, sweat exposure, and moving transmissions make placement and component condition material to operating decisions.", "layers": [ { "id": "installed-exercise-envelope", "name": "Installed exercise envelope", "description": "Records the space and support needed throughout exercise and access.", "findings": [ { "id": "placement-and-stability", "name": "Placement and stability", "description": "Record the full motion envelope, access and fall-related clearances where specified, floor support, anchoring, and required utilities.", "questions": [ { "text": "What footprint, moving-component envelope, and surrounding clearances are required for the documented use?", "kind": "measurement", "id": "placement-and-stability-q01" }, { "text": "What floor, levelling, anchoring, and power requirements must be verified before operation?", "kind": "action", "id": "placement-and-stability-q02" } ] } ] }, { "id": "wear-service-and-conformity", "name": "Wear, service, and conformity", "description": "Links component checks and applicable requirements to decisions about availability for exercise.", "findings": [ { "id": "condition-based-use-decision", "name": "Condition-based use decision", "description": "Record relevant wear points, service requirements, defect evidence, and the scope of any claimed conformity.", "questions": [ { "text": "Which cables, belts, bearings, fasteners, adjustment pins, contact surfaces, or load mechanisms require inspection or replacement for this design?", "kind": "action", "id": "condition-based-use-decision-q01" }, { "text": "Which observed defects or overdue checks require withdrawal from use, and what evidence permits return to service?", "kind": "action", "id": "condition-based-use-decision-q02" }, { "text": "Which standards, issuing bodies, editions, jurisdictional requirements, and conformity records apply to this machine category and intended setting?", "kind": "provenance", "id": "condition-based-use-decision-q03" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This is a recall-based description; no sources were consulted.", "The unqualified term is broad: confirm whether the registry intends stationary fitness machines only or also includes other mechanical exercise apparatus.", "Measurement ranges are illustrative rather than category limits; verify product specifications and the applicable edition and part of ISO 20957 before technical use." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of exercise machine 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": [ "Treadmill", "Stationary exercise bicycle", "Elliptical trainer", "Rowing machine", "Stair-climbing machine", "Resistance-training machine" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of exercise machine this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "scheme": "Manufacturer model designation and serial number", "value_or_pattern": "Manufacturer-specific alphanumeric identifiers", "note": "A model designation identifies a product design; a serial number identifies an individual unit." }, { "scheme": "GS1 Global Trade Item Number (GTIN)", "value_or_pattern": "8, 12, 13 or 14 digits", "note": "May identify a commercial product or packaging configuration; it does not identify the general machine kind or necessarily an individual unit." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of exercise machine 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": [ "ISO 20957 series, Stationary training equipment - issued by the International Organization for Standardization; includes general and equipment-specific safety requirements and test methods." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of exercise machine 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": [ "Cardiorespiratory training in homes, gyms and sports facilities.", "Strength and muscular-endurance training using adjustable resistance.", "Controlled exercise in rehabilitation settings, where equipment and use must suit the intended clinical purpose.", "Fitness assessment using machines equipped to measure workload and exercise response.", "Sport-specific conditioning, such as indoor cycling and rowing." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of exercise machine 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": "Selectable belt speed on a general-purpose motorized treadmill", "typical_range": "Approximately 1-20; walking-only and specialist machines differ", "unit": "km/h" }, { "quantity": "Weight-stack mass on a selectorized resistance machine", "typical_range": "Approximately 50-150; pulley geometry means handle resistance can differ from stack weight", "unit": "kg" }, { "quantity": "Rated maximum user mass on many adult exercise machines", "typical_range": "Approximately 100-180; the individual manufacturer's rating governs", "unit": "kg" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of exercise machine 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": [ "Falls or loss of balance, particularly on moving treadmill belts and stair mechanisms.", "Pinching, crushing or entanglement at belts, pulleys, linkages and moving weight stacks.", "Cable, belt, fastener or structural failure caused by wear, overload, corrosion or inadequate maintenance.", "Unexpected movement or failure to stop because of control, drive or emergency-stop faults.", "Strain or overexertion caused by unsuitable adjustment, excessive resistance or poor technique." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of exercise machine 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": [ "Displays and load labels may use kilometres or miles, and kilograms or pounds.", "Mains-powered models vary in supply voltage, frequency and plug configuration.", "Applicable electrical, product-safety and conformity requirements depend on the jurisdiction and the machine's intended use." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of exercise machine 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": "Exercise equipment", "difference": "The broader category also includes non-machine items such as mats, free weights and resistance bands." }, { "name": "Ergometer", "difference": "An ergometer measures work or power during exercise; an exercise machine need not provide a calibrated workload measurement." }, { "name": "Bicycle", "difference": "A bicycle is designed for locomotion; a stationary exercise bicycle is designed for exercise without travel." }, { "name": "Rehabilitation device", "difference": "A rehabilitation device is defined by its recovery or therapeutic purpose; exercise machines overlap with this category when designed or used for that purpose." }, { "name": "Industrial machine", "difference": "An industrial machine performs a production or processing task; an exercise machine makes the user's physical activity the intended outcome." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of exercise machine this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry or an existing world model already cover exercise machines, and what authoritative definition fixes this entry's boundary?", "Should passive stretching mechanisms, whole-body vibration platforms, and powered rehabilitation apparatus qualify here, overlap another kind, or remain outside it?", "Which standards and conformity requirements apply to each exercise-machine subtype and to domestic, public-facility, outdoor, or medical settings?", "What sourced operating ranges, fit limits, and clearance requirements are representative of each subtype without implying universal limits?", "Which feedback quantities have independently supported accuracy, and which defect thresholds and inspection intervals can be established from subtype-specific evidence?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 19, "questions": 33 } }