{ "model": { "rank": 1812, "code": "thing-q11022", "model_id": "vr.tr.screw", "name": "screw", "purpose": "Enable an AI agent to recognise a screw, assess its compatibility and condition, and determine whether and how it may be installed, adjusted, removed or replaced.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q11022/", "tier": 2, "score": 126, "payload": { "layer": "wikidata", "aliases": [ "machine screw", "lag screw", "furniture screw", "Phillips-head screw", "flat head screw", "Allen screw", "Safety screw", "wood hanger screw", "rail bolt", "security screw", "fine adjustment screw", "captive fastener", "Visbout", "self-tapping screw", "Abreißschraube", "set screw", "Spenglerschraube", "turnbuckle", "bleed screw", "concrete screw", "wood screw", "wheel lock", "Double-thread decking screw", "sex bolt", "conical set screw", "brake bleed nipple" ], "aliasCount": 26, "merged": 26, "knownIn": 126, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.screw-artifact", "source": { "dataset": "wikidata", "item": "Q11022", "url": "https://www.wikidata.org/wiki/Q11022", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-06T21:54:05Z", "providers": [ "Codex" ], "missingProviders": [ "Grok" ], "pass": 2, "cost": { "grok": { "usd": null, "turns": null, "seconds": 2.2, "error": "Error: Internal error: {\n \"message\": \"API error (status 402 Payment Required): Grok Build usage balance exhausted\",\n \"http_status\": 402\n}", "retried": true }, "codex": { "seconds": 63.8, "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: 01a078b5-e6e7-7f52-93a5-f4604fbf10cd\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: screw\nRegistry id: vr.tr.screw\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy model" } } }, "metaModel": { "id": "THING-Q11022", "registryId": "vr.tr.screw", "name": "screw", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q11022/", "model": { "registry_id": "vr.tr.screw", "name": "screw", "purpose": "Enable an AI agent to recognise a screw, assess its compatibility and condition, and determine whether and how it may be installed, adjusted, removed or replaced.", "definition": "", "scope_statement": "This model owns an individual threaded fastening or positioning screw, including its geometry, material, engagement requirements, condition and permitted actions; its classification remains provisional where the registry boundary with bolts, studs or motion-transmission screws is unresolved.", "in_scope": [ "Screw identity, intended function and evidence supporting its classification", "Thread, shank, tip, head and drive geometry, including headless forms", "Material, coating and documented mechanical properties", "Compatibility with a receiving thread or a material in which the screw creates engagement", "Installation state, damage, removability and reuse restrictions" ], "out_of_scope": [ "The complete joint, its load path and required fastening performance", "The receiving component, substrate or threaded hole as an independently modelled thing", "Separate nuts, washers, anchors and inserts", "Drivers, taps, drills and torque tools", "Complete screw-driven mechanisms, conveyors and screw pumps" ], "distinguishing_features": [ "Inspect for an external helical thread intended to engage receiving material or a mating thread; a smooth driven shank alone does not establish screw identity.", "Establish whether rotation produces the intended engagement or positional adjustment; distinguish this from fastening primarily by upsetting a rivet or driving a plain nail.", "Use the product designation and intended assembly method to resolve screw versus bolt; head shape, a pointed tip or the presence of a nut is insufficient by itself.", "For a headless threaded item, inspect its drive, end geometry and intended function to distinguish a set screw from a stud or a length of threaded rod.", "Determine whether the item primarily fastens or sets a position, or instead belongs to a motion-transmission mechanism whose registry coverage must be checked." ], "characteristics": [ { "name": "Screw designation and identification confidence", "kind": "category", "unit_or_values": "Recorded designation; confirmed, provisional or unknown", "why_it_matters": "Prevents an appearance-based guess from becoming an authoritative part identity." }, { "name": "Intended engagement method", "kind": "category", "unit_or_values": "Pre-existing mating thread, thread cutting, thread forming, other documented method or unknown", "why_it_matters": "Determines what receiving geometry and preparation must be established." }, { "name": "Thread designation", "kind": "category", "unit_or_values": "Thread system, profile, size, tolerance designation and governing reference, where known", "why_it_matters": "A similar apparent diameter does not establish thread compatibility." }, { "name": "Thread major diameter", "kind": "measurement", "unit_or_values": "mm or in; distinguish nominal designation from measured diameter", "why_it_matters": "Supports identification and checks against the receiving feature." }, { "name": "Thread pitch", "kind": "measurement", "unit_or_values": "mm between adjacent thread forms or threads per inch", "why_it_matters": "Helps detect incompatible mating threads." }, { "name": "Thread handedness and starts", "kind": "category", "unit_or_values": "Right-hand, left-hand or unknown; number of starts if established", "why_it_matters": "Informs rotation direction and the relationship between rotation and axial travel." }, { "name": "Length and threaded extent", "kind": "measurement", "unit_or_values": "mm or in, with explicit measurement datum and lengths of threaded and unthreaded portions", "why_it_matters": "Supports seating, clearance and engagement checks without assuming a universal length convention." }, { "name": "Head, drive and tip forms", "kind": "category", "unit_or_values": "Recorded head or headless form, drive type and size, and tip geometry", "why_it_matters": "Determines tool access, seating behaviour and contact with the receiving material." }, { "name": "Material, property designation and finish", "kind": "category", "unit_or_values": "Documented material, property class or grade, coating and evidence source; unknown where unverified", "why_it_matters": "Constrains substitution, environmental compatibility and permissible installation procedures." }, { "name": "Receiving feature", "kind": "relation", "unit_or_values": "Reference to mating thread, substrate, insert, anchor or contacted component", "why_it_matters": "Makes compatibility an explicit relationship rather than an intrinsic claim about the screw." }, { "name": "Installation and damage state", "kind": "state", "unit_or_values": "Loose, partly engaged, seated or removed; separate observations of thread, drive, body and coating damage", "why_it_matters": "Distinguishes assembly position from serviceability." }, { "name": "Installation control requirement", "kind": "relation", "unit_or_values": "Reference to applicable procedure, including torque in N·m or other specified control and its conditions", "why_it_matters": "Prevents an agent from treating a generic torque value as applicable to an unidentified screw and joint." } ], "affordances": [ "Inspect and measure the screw to establish or narrow its identity.", "Compare it with a receiving feature or candidate replacement and identify unresolved compatibility checks.", "Select a matching drive tool and an applicable installation or adjustment procedure.", "Install, tighten, loosen or adjust it when the assembly requirements and action authority are established.", "Remove it using a condition-appropriate procedure and reassess its suitability for reuse.", "Flag or segregate screws whose damage, identity or documented restrictions prevent intended use." ] }, "sources": [], "structure": { "bundles": [ { "id": "screw-identity-and-role", "name": "Screw identity and role", "description": "Establish what the screw is intended to do and how confidently it has been identified.", "rationale": "Similar threaded items may have different functions and cannot be classified reliably from appearance alone.", "layers": [ { "id": "classification-boundary", "name": "Classification boundary", "description": "Resolve whether the item belongs to this screw entry.", "findings": [ { "id": "fastening-or-setting-role", "name": "Fastening or setting role", "description": "Record the intended role and evidence distinguishing the item from neighbouring threaded objects.", "questions": [ { "text": "Is this item intended to fasten components, retain a component by contact, set a position or transmit continuous motion?", "kind": "definition", "id": "fastening-or-setting-role-q01" }, { "text": "What designation or application evidence resolves its boundary with a bolt, stud, threaded rod or motion-transmission screw?", "kind": "boundary", "id": "fastening-or-setting-role-q02" } ] } ] }, { "id": "designation-evidence", "name": "Designation evidence", "description": "Connect the physical screw to records without overstating identification.", "findings": [ { "id": "traceable-identification", "name": "Traceable identification", "description": "Separate verified product information from inferred identity.", "questions": [ { "text": "Which markings, packaging, drawing or supplier record can be linked to this particular screw?", "kind": "provenance", "id": "traceable-identification-q01" }, { "text": "Which elements of its designation remain inferred, and what inspection would distinguish the remaining candidates?", "kind": "action", "id": "traceable-identification-q02" } ] } ] } ] }, { "id": "thread-and-body-geometry", "name": "Thread and body geometry", "description": "Describe the geometry that governs engagement, reach and clearance.", "rationale": "Thread mismatch or incorrect reach can defeat fastening even when a screw appears to fit.", "layers": [ { "id": "thread-interface", "name": "Thread interface", "description": "Identify the external thread and its relevant dimensional evidence.", "findings": [ { "id": "thread-match", "name": "Thread match", "description": "Record the thread attributes needed to assess a proposed engagement.", "questions": [ { "text": "What thread system, profile, nominal size, pitch, handedness and tolerance designation are established?", "kind": "definition", "id": "thread-match-q01" }, { "text": "Which measurements or gauges support those attributes, and with what uncertainty?", "kind": "measurement", "id": "thread-match-q02" } ] } ] }, { "id": "axial-extent-and-tip", "name": "Axial extent and tip", "description": "Describe the screw's usable threaded extent, body transitions and terminal geometry.", "findings": [ { "id": "reach-and-interference", "name": "Reach and interference", "description": "Support checks for sufficient engagement, bottoming and unintended protrusion.", "questions": [ { "text": "What are the screw length, threaded length and unthreaded shank dimensions, and from which datums were they measured?", "kind": "measurement", "id": "reach-and-interference-q01" }, { "text": "Does the tip or any shank transition limit usable engagement, require clearance or contact another component?", "kind": "boundary", "id": "reach-and-interference-q02" } ] } ] } ] }, { "id": "drive-seating-and-receiver", "name": "Drive, seating and receiver", "description": "Connect the screw's tool interface and bearing or contact surfaces to its receiving arrangement.", "rationale": "A matching thread alone does not establish that the screw can be driven, seated or used for the intended contact.", "layers": [ { "id": "drive-and-seating-surfaces", "name": "Drive and seating surfaces", "description": "Describe how rotation is applied and how the screw seats or bears.", "findings": [ { "id": "tool-and-contact-fit", "name": "Tool and contact fit", "description": "Establish the required driver and the intended head or tip contact.", "questions": [ { "text": "What drive type and size are present, and is there adequate access for the matching tool?", "kind": "action", "id": "tool-and-contact-fit-q01" }, { "text": "Which head underside, countersink or headless-screw tip surface is intended to bear, and what mating geometry does it require?", "kind": "definition", "id": "tool-and-contact-fit-q02" } ] } ] }, { "id": "receiving-engagement", "name": "Receiving engagement", "description": "Record how this screw is intended to engage its specific receiver.", "findings": [ { "id": "receiver-preparation-and-fit", "name": "Receiver preparation and fit", "description": "Identify receiver requirements and unresolved fit checks.", "questions": [ { "text": "Does the screw require an existing mating thread, or is it documented to cut or form engagement in the identified material?", "kind": "definition", "id": "receiver-preparation-and-fit-q01" }, { "text": "What source establishes the required hole preparation, engagement depth and clearance for this screw and receiver combination?", "kind": "provenance", "id": "receiver-preparation-and-fit-q02" } ] } ] } ] }, { "id": "material-and-installation-limits", "name": "Material and installation limits", "description": "Record evidence governing mechanical suitability, surface compatibility and installation controls.", "rationale": "Geometrically interchangeable screws may differ in properties or require different installation conditions.", "layers": [ { "id": "material-and-surface-evidence", "name": "Material and surface evidence", "description": "Establish material and finish without inferring them solely from colour or appearance.", "findings": [ { "id": "verified-properties", "name": "Verified properties", "description": "Connect material, mechanical property and coating claims to applicable records.", "questions": [ { "text": "What evidence establishes the screw's material, property class or grade, coating and any relevant treatment?", "kind": "provenance", "id": "verified-properties-q01" }, { "text": "Which restrictions apply when that material and finish contact the proposed receiver or encounter the intended environment?", "kind": "boundary", "id": "verified-properties-q02" } ] } ] }, { "id": "controlled-installation", "name": "Controlled installation", "description": "Link permitted tightening or adjustment to the actual assembly conditions.", "findings": [ { "id": "applicable-installation-procedure", "name": "Applicable installation procedure", "description": "Record installation controls and the conditions under which they apply.", "questions": [ { "text": "Which applicable instruction specifies tightening, adjustment or seating control for this screw in this assembly?", "kind": "provenance", "id": "applicable-installation-procedure-q01" }, { "text": "What lubrication, coating, locking treatment, tool and reuse conditions must be satisfied before applying that instruction?", "kind": "action", "id": "applicable-installation-procedure-q02" } ] } ] } ] }, { "id": "condition-removal-and-reuse", "name": "Condition, removal and reuse", "description": "Assess the screw's current engagement, damage and next permissible action.", "rationale": "A seated screw may still be damaged or incorrectly engaged, and successful removal does not establish reusability.", "layers": [ { "id": "engagement-and-damage", "name": "Engagement and damage", "description": "Separate observable installation position from evidence of serviceability.", "findings": [ { "id": "current-fastener-state", "name": "Current fastener state", "description": "Record visible condition and uncertainty about concealed engagement.", "questions": [ { "text": "Is the screw loose, partly engaged or seated, and what evidence distinguishes correct seating from bottoming or obstructed engagement?", "kind": "measurement", "id": "current-fastener-state-q01" }, { "text": "What thread deformation, drive damage, bending, cracking, corrosion or coating loss is observed, and which regions remain uninspected?", "kind": "measurement", "id": "current-fastener-state-q02" } ] } ] }, { "id": "removal-and-disposition", "name": "Removal and disposition", "description": "Determine how the screw may be removed and what may happen to it afterward.", "findings": [ { "id": "permitted-next-action", "name": "Permitted next action", "description": "Connect removal, replacement and reuse decisions to condition and assembly requirements.", "questions": [ { "text": "Before loosening, what joint loads or retained components must be controlled, and what removal method fits the drive and engagement condition?", "kind": "action", "id": "permitted-next-action-q01" }, { "text": "What documented criteria permit reuse or require replacement, and does this screw's installation and removal history satisfy them?", "kind": "action", "id": "permitted-next-action-q02" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend screw to include lead screws, adjustment screws and other motion-transmission forms, or are those owned by neighbouring entries?", "Which existing Vercy world models already cover screw identity or behaviour and should be linked instead of duplicated?", "Which authoritative references should govern screw-versus-bolt classification and thread designations across the product families included here?", "Which family-specific evidence is required to judge receiver preparation, minimum engagement and acceptable damage without inventing universal thresholds?", "How should the model represent concealed thread condition and uncertain installation history when neither inspection nor traceable records can settle reuse suitability?" ], "statistics": { "bundles": 5, "layers": 10, "findings": 10, "questions": 20 } }, "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 screw, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise a screw, assess its compatibility and condition, and determine whether and how it may be installed, adjusted, removed or replaced.", "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: machine screw, lag screw, furniture screw, Phillips-head screw, flat head screw, Allen screw, Safety screw, wood hanger screw, rail bolt, security screw, fine adjustment screw, captive fastener.", "26 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 126 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 screw, 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": [ "machine screw", "lag screw", "furniture screw", "Phillips-head screw", "flat head screw", "Allen screw", "Safety screw", "wood hanger screw", "rail bolt", "security screw", "fine adjustment screw", "captive fastener" ] } ], "standing": "Described in 126 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 26 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 screw from another, and a screw 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 screw, 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 screw, 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 screw 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 screw, 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 screw, 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 screw 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 screw 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 screw, 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 screw, 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 screw 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 screw from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a screw, 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 screw, 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 screw 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 screw 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 screw, 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 screw, 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 screw 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 screw is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a screw, 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 screw, 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 screw 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 screw is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a screw, 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 screw, 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 screw 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 screw 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 screw is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a screw, 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 screw, 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 screw 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 screw 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 screw, 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 screw, 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 screw 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 screw 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 screw between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a screw, 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 screw, 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 screw 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 screw, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a screw 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 screw, 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 screw, 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 screw 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 screw 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 screw 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 screw, 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 screw 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 screw 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 screw 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 screw 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 screw 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 screw, 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 screw 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 screw and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a screw, 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 screw, 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 screw 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 screw is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a screw, 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 screw, 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 screw 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 } } } }