{ "model": { "rank": 3988, "code": "thing-q103896", "model_id": "vr.tr.compass-q103896", "name": "compass", "purpose": "Enable an agent to recognise a navigational compass, assess whether its directional indication is trustworthy, and determine how it can be used in its present conditions.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q103896/", "tier": 2, "score": 79, "payload": { "layer": "wikidata", "aliases": [ "compass card", "nautical compass", "inside calipers", "blackboard compass", "beam compass", "qibla compass", "outside caliper" ], "aliasCount": 7, "merged": 7, "knownIn": 79, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.compass-artifact", "source": { "dataset": "wikidata", "item": "Q103896", "url": "https://www.wikidata.org/wiki/Q103896", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T19:13:49Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 26.2, "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: 01a08796-3cc7-75a2-89e1-4db5d6b28e10\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: compass\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: 1001 register", "usd": 0, "recall": true }, "codex": { "seconds": 64.4, "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: 01a08796-3cd4-7af0-80c2-995edade2177\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: compass\nRegistry id: vr.tr.compass-q103896\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\n" } } }, "metaModel": { "id": "THING-Q103896", "registryId": "vr.tr.compass-q103896", "name": "compass", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q103896/", "model": { "registry_id": "vr.tr.compass-q103896", "name": "compass", "purpose": "Enable an agent to recognise a navigational compass, assess whether its directional indication is trustworthy, and determine how it can be used in its present conditions.", "definition": "A compass is a navigational instrument that indicates a reference direction, usually magnetic north or true north, so that headings and bearings can be determined.", "scope_statement": "This model owns the navigational compass as a kind of physical direction-indicating instrument, including its operating principle, directional reference, reading method, installation constraints and serviceability; coverage beyond magnetic compasses remains subject to registry-sense verification.", "in_scope": [ "Direction-sensing or direction-maintaining principle and any power dependency", "North reference, heading indication and bearing-reading features", "Compass-specific alignment, levelling, mounting and environmental constraints", "Directional error, calibration, compensation and verification", "Readiness, condition and maintenance of compass components" ], "out_of_scope": [ "Drawing compasses used to construct circles or transfer distances", "Maps, charts, routes and navigation plans", "Complete navigation systems that incorporate a compass", "Standalone magnetometers without a directional indication function", "Product-line catalogues and individual-unit asset histories" ], "distinguishing_features": [ "Provides a directional reference or heading indication; a drawing compass instead establishes a radius or transfers a distance.", "Supports orientation without requiring translational travel; a device reporting only course over ground does not thereby qualify as a compass.", "Relates its indication to an identifiable directional reference; an angle scale or sighting device alone does not establish that reference.", "Converts its sensing or reference mechanism into usable direction information; raw magnetic-field measurements alone are insufficient." ], "characteristics": [ { "name": "Operating principle", "kind": "category", "unit_or_values": "Magnetic needle or card; electronic magnetic sensing; other principle pending scope verification", "why_it_matters": "Determines dependencies, likely errors and appropriate verification methods." }, { "name": "Directional reference", "kind": "category", "unit_or_values": "Magnetic north; true north; grid north; configurable; unknown", "why_it_matters": "A bearing is ambiguous unless its reference is known." }, { "name": "Indicated direction", "kind": "measurement", "unit_or_values": "Degrees or explicitly identified angular convention, with reference and observation conditions", "why_it_matters": "Makes the reading interpretable without assuming that every scale uses the same convention." }, { "name": "Scale or display resolution", "kind": "measurement", "unit_or_values": "Degrees per graduation or display increment", "why_it_matters": "Limits how finely a reading can be recorded without implying equivalent accuracy." }, { "name": "Directional accuracy evidence", "kind": "measurement", "unit_or_values": "Angular error in degrees, with test conditions, reference method and evidence source", "why_it_matters": "Supports a judgement about suitability for the intended directional task." }, { "name": "Bearing acquisition method", "kind": "category", "unit_or_values": "Direct dial reading; baseplate alignment; mirror sighting; prism sighting; electronic display or output", "why_it_matters": "Determines what alignment and observation actions produce a meaningful bearing." }, { "name": "Installation alignment", "kind": "relation", "unit_or_values": "Relationship between the compass index or sensing axis and the host's forward axis or chosen baseline", "why_it_matters": "Separates a correct instrument reading from an incorrectly installed heading indication." }, { "name": "Permitted operating attitude", "kind": "measurement", "unit_or_values": "Tilt limits in degrees and any levelling or gimbal requirements, when documented", "why_it_matters": "Helps determine whether the sensing element can operate correctly in the current orientation." }, { "name": "North-reference correction", "kind": "state", "unit_or_values": "Unset; mechanically adjusted; electronically configured; applied externally; unknown, with signed angle and convention", "why_it_matters": "Prevents omission or double application of a reference conversion." }, { "name": "Magnetic balance applicability", "kind": "category", "unit_or_values": "Documented geographic balance zone; global balance; not applicable; unknown", "why_it_matters": "Flags whether geographic magnetic inclination may affect a magnetic compass's operation." }, { "name": "Local magnetic influence", "kind": "state", "unit_or_values": "Assessed acceptable; suspected interference; measured deviation; unassessed", "why_it_matters": "Nearby magnetic materials or electrical equipment can undermine a magnetic indication." }, { "name": "Directional readiness", "kind": "state", "unit_or_values": "Ready; settling; calibration required; obstructed or sticking; power unavailable; failed; unknown", "why_it_matters": "Determines whether to take a reading, perform a check or suspend use." } ], "affordances": [ "Identify the compass's directional reference and interpret its indication.", "Orient a map or establish a direction using a compatible reference convention.", "Take or transfer a bearing using the available alignment and sighting features.", "Check readings against an independent directional reference or repeatable test.", "Configure supported reference corrections or perform documented calibration and compensation.", "Recognise conditions requiring relocation, servicing or suspension of directional use." ] }, "sources": [], "structure": { "bundles": [ { "id": "directional-identity", "name": "Directional identity", "description": "Establishes what qualifies as this compass and how it obtains its directional reference.", "rationale": "The name is ambiguous, and different compass principles cannot share unqualified assumptions about magnetic north or power.", "layers": [ { "id": "navigational-sense", "name": "Navigational sense", "description": "Defines the compass boundary against drawing instruments and neighbouring navigation devices.", "findings": [ { "id": "direction-reference-function", "name": "Direction reference function", "description": "Record the direction-indicating function that establishes membership in this kind.", "questions": [ { "text": "Does this instrument establish a directional reference, rather than merely draw circles, measure relative angles or report movement direction?", "kind": "boundary", "id": "direction-reference-function-q01" }, { "text": "Does the registry entry cover all navigational compass principles or specifically magnetic compasses?", "kind": "definition", "id": "direction-reference-function-q02" } ] } ] }, { "id": "reference-generation", "name": "Reference generation", "description": "Connects the sensing principle to the reference and dependencies it requires.", "findings": [ { "id": "principle-and-dependencies", "name": "Principle and dependencies", "description": "Record how direction is obtained and what must be available before the indication becomes usable.", "questions": [ { "text": "What physical sensing or reference-maintaining principle produces the direction indication?", "kind": "definition", "id": "principle-and-dependencies-q01" }, { "text": "What power, initialization, settling or external inputs does that principle require before a reading is valid?", "kind": "action", "id": "principle-and-dependencies-q02" } ] } ] } ] }, { "id": "bearing-interpretation", "name": "Bearing interpretation", "description": "Makes compass readings reproducible and compatible with the directional reference used by the task.", "rationale": "A displayed angle can be misused if its index, scale, reference or applied correction is unclear.", "layers": [ { "id": "reading-geometry", "name": "Reading geometry", "description": "Identifies the scale, index and sighting alignment that define a reading.", "findings": [ { "id": "bearing-acquisition", "name": "Bearing acquisition", "description": "Record how an observer or connected system obtains the intended heading or target bearing.", "questions": [ { "text": "Which index, lubber line, sight line or sensing axis defines the direction being read?", "kind": "definition", "id": "bearing-acquisition-q01" }, { "text": "What angular convention and graduation or display increment apply, and how must the compass be aligned to take the reading?", "kind": "measurement", "id": "bearing-acquisition-q02" } ] } ] }, { "id": "reference-conversion", "name": "Reference conversion", "description": "Separates the native directional reference from any correction used in the task.", "findings": [ { "id": "north-reference-accounting", "name": "North reference accounting", "description": "Record the reference of the output and where conversions between magnetic, true or grid directions occur.", "questions": [ { "text": "Which north reference does the current indication represent, and which reference does the map, chart or receiving system require?", "kind": "definition", "id": "north-reference-accounting-q01" }, { "text": "What correction is applied, with what sign convention, and is it applied inside the compass or during interpretation?", "kind": "action", "id": "north-reference-accounting-q02" }, { "text": "What source, location and date support any geographic magnetic-declination value used?", "kind": "provenance", "id": "north-reference-accounting-q03" } ] } ] } ] }, { "id": "operating-context", "name": "Operating context", "description": "Describes the placement and surrounding conditions needed for a credible directional indication.", "rationale": "Compass reliability depends on orientation, installation and, for magnetic instruments, the local magnetic environment.", "layers": [ { "id": "attitude-and-installation", "name": "Attitude and installation", "description": "Captures levelling, mounting and geographic balance constraints.", "findings": [ { "id": "usable-orientation", "name": "Usable orientation", "description": "Record the relationship between permitted compass attitude, host alignment and geographic applicability.", "questions": [ { "text": "What tilt, levelling, gimbal or host-axis alignment requirements govern use?", "kind": "measurement", "id": "usable-orientation-q01" }, { "text": "For a magnetic needle or card, what documented balance-zone or global-balance limitations apply at the intended location?", "kind": "boundary", "id": "usable-orientation-q02" } ] } ] }, { "id": "magnetic-surroundings", "name": "Magnetic surroundings", "description": "Addresses nearby sources of magnetic influence and changes in the installation environment.", "findings": [ { "id": "interference-and-deviation", "name": "Interference and deviation", "description": "Record evidence of local magnetic disturbance separately from geographic declination.", "questions": [ { "text": "Does the indicated direction change when nearby equipment is powered, magnetic objects are moved or the compass is relocated?", "kind": "measurement", "id": "interference-and-deviation-q01" }, { "text": "What documented separation, relocation or installation-compensation procedure is appropriate when interference is suspected?", "kind": "action", "id": "interference-and-deviation-q02" }, { "text": "For a mounted magnetic compass, what evidence supports any heading-dependent deviation correction?", "kind": "provenance", "id": "interference-and-deviation-q03" } ] } ] } ] }, { "id": "directional-trust-and-care", "name": "Directional trust and care", "description": "Connects verification results and component condition to decisions about continued use.", "rationale": "A compass can present a readable but unreliable indication, so apparent operation alone cannot establish readiness.", "layers": [ { "id": "performance-verification", "name": "Performance verification", "description": "Separates reading resolution from demonstrated directional accuracy and repeatability.", "findings": [ { "id": "verified-directional-performance", "name": "Verified directional performance", "description": "Record directional error and repeatability against an appropriate independent reference.", "questions": [ { "text": "What angular error and repeatability were observed across relevant headings and operating attitudes?", "kind": "measurement", "id": "verified-directional-performance-q01" }, { "text": "What independent reference and test procedure support those results?", "kind": "provenance", "id": "verified-directional-performance-q02" }, { "text": "What documented acceptance criterion determines whether the compass is suitable for its intended task?", "kind": "action", "id": "verified-directional-performance-q03" } ] } ] }, { "id": "condition-and-recovery", "name": "Condition and recovery", "description": "Identifies compass-specific defects and supported routes back to service.", "findings": [ { "id": "readiness-and-service", "name": "Readiness and service", "description": "Record defects affecting free movement, damping, readability, sensing or configuration, and the evidence needed to resume use.", "questions": [ { "text": "Are there signs of sticking, unstable settling, capsule leakage, obstructed sighting, unreadable markings or electronic calibration faults?", "kind": "measurement", "id": "readiness-and-service-q01" }, { "text": "Which observed conditions require a documented adjustment, calibration, component replacement or withdrawal from use?", "kind": "action", "id": "readiness-and-service-q02" }, { "text": "What verification must follow servicing, impact, remounting or a material change in nearby equipment?", "kind": "action", "id": "readiness-and-service-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": [ "The registry records no sense; this description assumes the navigational instrument rather than the drawing tool.", "Passive magnetic compasses require no external power; fluxgate, gyrocompass and satellite implementations generally do.", "Accuracy, dimensions, maintenance requirements and applicable standards depend on compass type and intended service; none are asserted here." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of compass 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": [ "Magnetic needle compass", "Marine magnetic card compass", "Fluxgate compass", "Gyrocompass", "Satellite compass" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of compass 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": [ "Orienting maps and following bearings during land navigation", "Indicating vessel heading during marine navigation", "Providing aircraft heading information", "Measuring approximate directions during field surveys", "Supplying heading information to navigation and control systems" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of compass 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": "Heading or bearing expressed as azimuth", "typical_range": "0 to less than 360", "unit": "degree" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of compass 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": [ "Nearby magnets, electrical currents and ferrous objects can deflect magnetic compasses.", "Confusing magnetic north with true north introduces an error equal to the uncorrected local magnetic declination.", "A damaged pivot, sticking needle or faulty liquid damping can delay or prevent a reliable magnetic reading.", "Excessive tilt and magnetic dip can impair a magnetic compass, particularly outside its intended operating region.", "Powered compasses can lose heading output through power failure; satellite compasses also depend on adequate satellite reception." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of compass 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": [ "Magnetic declination varies with location and time.", "Some magnetic compasses are balanced for particular magnetic zones; globally balanced designs accommodate a wider range of locations.", "Magnetic compasses become less useful near magnetic poles, where the horizontal component of Earth's magnetic field is weak." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of compass 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": "Drawing compass", "difference": "A drawing compass constructs circles or transfers distances; it does not indicate a navigational reference direction." }, { "name": "Magnetometer", "difference": "A magnetometer measures a magnetic field; a compass provides a directional reference, sometimes using magnetometer measurements." }, { "name": "GNSS receiver", "difference": "A positioning receiver determines location and may derive course from motion; a satellite compass uses separated antennas to determine heading even while stationary." }, { "name": "Gyroscope", "difference": "A gyroscope senses rotation or maintains an orientation reference; a gyrocompass uses gyroscopic behavior to establish north." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of compass this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does vr.tr.compass-q103896 denote the broad navigational instrument kind or only the magnetic compass, and how should gyrocompasses and satellite-based compasses relate to it?", "Does an existing Vercy world model already own this concept, requiring a registry link instead of a separate publication?", "Which standards and issuing bodies apply to each supported use context, particularly marine installation, and what conformity evidence do they require?", "What sourced ranges for accuracy, resolution, settling time, tilt tolerance, dimensions and environmental limits are meaningful for the included compass categories?", "Which manufacturer-supported checks distinguish acceptable capsule bubbles or transient instability from defects requiring service or replacement?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 15, "questions": 27 } }, "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 compass, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to recognise a navigational compass, assess whether its directional indication is trustworthy, and determine how it can be used in its present conditions.", "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: compass card, nautical compass, inside calipers, blackboard compass, beam compass, qibla compass, outside caliper.", "7 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 79 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 compass, 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": [ "compass card", "nautical compass", "inside calipers", "blackboard compass", "beam compass", "qibla compass", "outside caliper" ] } ], "standing": "Described in 79 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 7 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 compass from another, and a compass 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 compass, 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 compass, 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 compass 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 compass, 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 compass, 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 compass 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 compass 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 compass, 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 compass, 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 compass 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 compass from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a compass, 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 compass, 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 compass 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 compass 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 compass, 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 compass, 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 compass 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 compass is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a compass, 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 compass, 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 compass 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 compass is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a compass, 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 compass, 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 compass 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 compass 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 compass is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a compass, 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 compass, 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 compass 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 compass 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 compass, 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 compass, 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 compass 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 compass 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 compass between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a compass, 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 compass, 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 compass 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 compass, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a compass 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 compass, 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 compass, 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 compass 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 compass 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 compass 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 compass, 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 compass 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 compass 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 compass 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 compass 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 compass 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 compass, 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 compass 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 compass and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a compass, 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 compass, 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 compass 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 compass is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a compass, 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 compass, 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 compass 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 } } } }