{ "model": { "rank": 6069, "code": "thing-q524738", "model_id": "vr.tr.weather-vane", "name": "weather vane", "purpose": "Enable an agent to recognise a weather vane, assess whether its indication is trustworthy, and decide whether it may be read, adjusted, maintained or removed from service.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q524738/", "tier": 2, "score": 63, "payload": { "layer": "wikidata", "aliases": [ "wind tee", "wind tetrahedron", "weathercock" ], "aliasCount": 3, "merged": 3, "knownIn": 63, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q524738", "url": "https://www.wikidata.org/wiki/Q524738", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T11:21:01Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.0104142, "turns": 1, "seconds": 132.3, "error": null }, "codex": { "seconds": 64.4, "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: 01a07b97-5371-7be3-b30a-966e6552655d\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: weather vane\nRegistry id: vr.tr.weather-vane\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n" } } }, "metaModel": { "id": "THING-Q524738", "registryId": "vr.tr.weather-vane", "name": "weather vane", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q524738/", "model": { "registry_id": "vr.tr.weather-vane", "name": "weather vane", "purpose": "Enable an agent to recognise a weather vane, assess whether its indication is trustworthy, and decide whether it may be read, adjusted, maintained or removed from service.", "definition": "A weather vane is a balanced, freely rotating body on a vertical axis whose aerodynamic moment aligns a designated pointer with the mean wind so that the indicated azimuth is the direction from which the air is arriving.", "scope_statement": "This model owns a weather vane as a wind-responsive directional indicator, including its rotating assembly, pivot, directional reference, immediate mounting interface and conditions affecting its interpretation.", "in_scope": [ "Wind-responsive pointer or shaped rotor and its intended indicating end", "Pivot, bearings, balance and freedom of rotation", "Compass markers or other directional references and their alignment", "Immediate mounting security and exposure to local airflow", "Observed indication, operating condition and permitted interventions" ], "out_of_scope": [ "Regional weather conditions, forecasts and meteorological records", "Wind-speed measurement by an anemometer", "Structural assessment of the supporting roof, mast or building beyond the mounting interface", "Complete weather-station electronics, communications and data processing", "Building-wide lightning protection and electrical grounding systems" ], "distinguishing_features": [ "Has an assembly intended to turn about a pivot in response to wind and provide a directional indication; a fixed decorative arrow lacks this function.", "Provides direction through angular orientation rather than measuring wind speed through rotation rate, as an anemometer does.", "Uses a pivoted pointer or shaped body rather than the flexible, inflated sleeve characteristic of a windsock.", "Its orientation responds to airflow rather than magnetic north; compass markers provide a reference rather than the driving force.", "A seized or sheltered example remains identifiable as a weather vane when construction or provenance establishes its intended wind-indicating function." ], "characteristics": [ { "name": "Functional identity", "kind": "category", "unit_or_values": "working indicator | functional decorative vane | decorative replica | uncertain", "why_it_matters": "Separates intended wind indication from appearance alone without misclassifying a broken vane." }, { "name": "Indicating end and convention", "kind": "category", "unit_or_values": "identified end or feature; wind-from | wind-toward | undocumented", "why_it_matters": "Prevents interpreting the opposite end or reversing the reported wind direction." }, { "name": "Indicated direction", "kind": "measurement", "unit_or_values": "degrees relative to a stated reference, or named compass sector; observation time required", "why_it_matters": "Makes a reading interpretable and separates a momentary observation from a persistent property." }, { "name": "Directional reference", "kind": "category", "unit_or_values": "true north | magnetic north | local reference | none | unknown", "why_it_matters": "Determines whether readings can be compared with other directional observations." }, { "name": "Reference alignment error", "kind": "measurement", "unit_or_values": "degrees, with verification method and uncertainty", "why_it_matters": "Identifies systematic error from displaced markers or an incorrectly aligned installation." }, { "name": "Rotational behaviour", "kind": "state", "unit_or_values": "free | sluggish | sticking | seized | oscillating | untested", "why_it_matters": "Helps determine whether displayed orientation follows airflow or reflects mechanical resistance." }, { "name": "Airflow exposure", "kind": "relation", "unit_or_values": "position relative to roof ridges, nearby obstacles and intended observation area", "why_it_matters": "Establishes what local airflow the vane may represent." }, { "name": "Rotating assembly integrity", "kind": "state", "unit_or_values": "intact | bent | incomplete | loose | uncertain", "why_it_matters": "Damage or missing parts may alter response, balance or safe retention." }, { "name": "Mounting security", "kind": "state", "unit_or_values": "secure | loose | visibly degraded | unverified", "why_it_matters": "Governs whether continued exposure or physical intervention is appropriate." }, { "name": "Response threshold", "kind": "measurement", "unit_or_values": "wind speed in m/s under a documented test, or unknown", "why_it_matters": "Supports judging whether lack of movement is meaningful under weak airflow." } ], "affordances": [ "Read and report indicated direction with its reference, observation time and confidence.", "Identify the indicating end and verify compass-marker alignment.", "Inspect rotation, clearance, damage and mounting security using an appropriate access method.", "Compare vane behaviour with independent local airflow observations.", "Perform documented adjustment or maintenance when authorised and compatible with the assembly.", "Flag unreliable readings and recommend repair, relocation or removal from service." ] }, "sources": [ { "id": "wmo-8", "title": "Guide to Instruments and Methods of Observation (WMO-No. 8)", "url": "", "what_it_supports": "Instrument classification, siting (commonly 10 m), starting threshold, damping, and accuracy expected of wind-direction sensors used in official meteorology." }, { "id": "epa-mmgrma", "title": "Meteorological Monitoring Guidance for Regulatory Modeling Applications (EPA-454/R-99-005)", "url": "", "what_it_supports": "U.S. regulatory practice for wind-vane siting, orientation to true north, accuracy, and data-recovery requirements at air-quality monitoring sites." }, { "id": "astm-d5741", "title": "ASTM D5741 Standard Practice for Characterizing Surface Wind Using a Wind Vane and Rotating Anemometer", "url": "", "what_it_supports": "Laboratory and field characterisation of a wind vane paired with a rotating anemometer." }, { "id": "wikipedia-weather-vane", "title": "Weather vane", "url": "https://en.wikipedia.org/wiki/Weather_vane", "what_it_supports": "History (including the rooster/weathercock tradition), ornamental types, and the distinction between a direction indicator and related roof fittings.", "url_status": "blocked" } ], "structure": { "bundles": [ { "id": "identity-and-directional-meaning", "name": "Identity and directional meaning", "description": "Establishes whether the object is a weather vane and how its orientation encodes direction.", "rationale": "A decorative shape or arrow does not by itself establish function or identify which direction should be reported.", "layers": [ { "id": "functional-identification", "name": "Functional identification", "description": "Distinguishes a wind-responsive vane from replicas and neighbouring instruments.", "findings": [ { "id": "wind-responsive-assembly", "name": "Wind-responsive assembly", "description": "Record the pivoted assembly and evidence that it was intended to indicate wind direction, even if it no longer moves.", "questions": [ { "text": "Which parts rotate in response to airflow, and which remain fixed?", "kind": "definition", "id": "wind-responsive-assembly-q01" }, { "text": "What construction evidence or documentation distinguishes this object from a fixed ornament, windsock or anemometer?", "kind": "boundary", "id": "wind-responsive-assembly-q02" } ] } ] }, { "id": "reading-convention", "name": "Reading convention", "description": "Establishes the indicating feature and directional reference needed to interpret a reading.", "findings": [ { "id": "pointer-and-reference", "name": "Pointer and reference", "description": "Record the intended indicating end, whether the reading means wind-from or wind-toward, and the reference against which orientation is read.", "questions": [ { "text": "Which end or feature is intended to be read, and what evidence establishes its wind-from or wind-toward convention?", "kind": "provenance", "id": "pointer-and-reference-q01" }, { "text": "Are directions referenced to true north, magnetic north or a local datum, and how was marker alignment verified?", "kind": "measurement", "id": "pointer-and-reference-q02" } ] } ] } ] }, { "id": "wind-response-and-mechanical-state", "name": "Wind response and mechanical state", "description": "Captures whether airflow can orient the rotating assembly without misleading mechanical effects.", "rationale": "A vane can display a plausible direction while sticking, dragging or retaining an old orientation.", "layers": [ { "id": "pivot-and-clearance", "name": "Pivot and clearance", "description": "Examines resistance and interference along the vane's intended rotation.", "findings": [ { "id": "rotation-obstructions", "name": "Rotation obstructions", "description": "Record sticking, bearing wear, contact with fixed parts and temporary obstruction by ice, debris or vegetation.", "questions": [ { "text": "Does the assembly move through its intended rotation without rubbing, binding or striking compass markers or nearby surfaces?", "kind": "measurement", "id": "rotation-obstructions-q01" }, { "text": "What safe inspection or documented test can distinguish weak airflow from pivot resistance?", "kind": "action", "id": "rotation-obstructions-q02" } ] } ] }, { "id": "assembly-and-response", "name": "Assembly and response", "description": "Connects the condition of the pointer and wind-catching surfaces to observed directional behaviour.", "findings": [ { "id": "shape-balance-and-following", "name": "Shape, balance and following", "description": "Record deformation, missing parts, tilt and observed response to changing airflow without assuming universal performance thresholds.", "questions": [ { "text": "Are the pointer, tail or shaped body complete and positioned as intended, and is there evidence of imbalance or a tilted pivot?", "kind": "measurement", "id": "shape-balance-and-following-q01" }, { "text": "Under documented airflow conditions, does the vane follow direction changes, remain stuck or oscillate without a usable reading?", "kind": "measurement", "id": "shape-balance-and-following-q02" } ] } ] } ] }, { "id": "installation-and-reading-validity", "name": "Installation and reading validity", "description": "Defines the airflow being sampled and the limits of each observed indication.", "rationale": "Mechanical operation alone does not show that a vane represents the wind relevant to the agent's decision.", "layers": [ { "id": "airflow-exposure", "name": "Airflow exposure", "description": "Relates the vane's location to nearby surfaces and obstructions that may affect airflow.", "findings": [ { "id": "local-wind-representativeness", "name": "Local wind representativeness", "description": "Record installation height and surrounding geometry in relation to the location whose wind direction is of interest.", "questions": [ { "text": "Where is the vane relative to roof ridges, walls, trees and other nearby obstructions?", "kind": "measurement", "id": "local-wind-representativeness-q01" }, { "text": "Is the intended reading about airflow at the vane, around the building or across a wider site, and what supports that interpretation?", "kind": "boundary", "id": "local-wind-representativeness-q02" } ] } ] }, { "id": "observation-quality", "name": "Observation quality", "description": "Captures whether a particular reading can be seen, interpreted and supported by current conditions.", "findings": [ { "id": "time-bound-direction-reading", "name": "Time-bound direction reading", "description": "Record direction, time, viewing limitations and whether current movement supports treating the orientation as a live indication.", "questions": [ { "text": "What direction was observed, at what time, using which reference and with what angular or sector uncertainty?", "kind": "measurement", "id": "time-bound-direction-reading-q01" }, { "text": "Does visible movement or an independent airflow observation support this reading, or could it be a retained orientation during calm or obstruction?", "kind": "measurement", "id": "time-bound-direction-reading-q02" } ] } ] } ] }, { "id": "retention-and-intervention", "name": "Retention and intervention", "description": "Supports decisions about keeping the vane installed and carrying out work without compromising its function.", "rationale": "Work on the pivot, pointer or mounting can change alignment, balance and retention, so intervention requires vane-specific constraints and checks.", "layers": [ { "id": "mount-and-part-retention", "name": "Mount and part retention", "description": "Assesses the immediate mount and the means that retain rotating and fixed components.", "findings": [ { "id": "attachment-condition", "name": "Attachment condition", "description": "Record loose fasteners, failed joints, corrosion and missing retainers at the vane and its immediate support interface.", "questions": [ { "text": "Are the rotating body, compass arms, shaft and mounting fasteners retained securely, and what evidence supports that assessment?", "kind": "measurement", "id": "attachment-condition-q01" }, { "text": "Which observed defects require restricting access below, securing loose parts or referring the supporting structure for separate assessment?", "kind": "action", "id": "attachment-condition-q02" } ] } ] }, { "id": "compatible-work-and-return-to-use", "name": "Compatible work and return to use", "description": "Defines appropriate intervention and the evidence needed before relying on the vane again.", "findings": [ { "id": "maintenance-and-reverification", "name": "Maintenance and reverification", "description": "Record design-specific maintenance instructions, access constraints and post-work checks of movement, retention and directional alignment.", "questions": [ { "text": "What documented instructions and material or conservation constraints govern cleaning, lubrication, straightening or replacement of this vane's parts?", "kind": "provenance", "id": "maintenance-and-reverification-q01" }, { "text": "After intervention, which checks establish secure retention, unobstructed rotation and correct directional interpretation?", "kind": "action", "id": "maintenance-and-reverification-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "architectural or ornamental weather vane (silhouette figures on roofs, barns, and towers)", "weathercock (rooster-form vane, historically the dominant church type)", "meteorological wind vane (instrument-grade direction sensor, often with a potentiometer, encoder, or Hall sensor)", "aerovane or propeller-vane (combined direction and speed head)", "masthead sailing vane (lightweight pointer such as a Windex-type indicator)", "wind-vane self-steering gear (yacht servo that uses a vane to actuate the rudder or a trim tab)", "banner or pennant vane (cloth or thin plate that streams rather than a rigid counterweighted figure)", "remote-indicating or transmitting wind vane (electrical or wireless readout to a display or logger)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of weather vane this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "scheme": "Wikidata", "value_or_pattern": "Q5356094", "note": "Item commonly used for weather vane / wind vane; confirm against the sitelink on the English Wikipedia article before treating the Q-id as canonical." }, { "scheme": "Getty Art & Architecture Thesaurus (AAT)", "value_or_pattern": "weather vanes", "note": "Preferred AAT term for the object type in museum and historic-building catalogues; use the current AAT numeric id from the Getty vocabulary service rather than a memorised number." }, { "scheme": "WMO / CIMO instrument class", "value_or_pattern": "wind vane (wind-direction sensor)", "note": "Treated in WMO-No. 8 as a wind-direction instrument, often logged with an anemometer as a combined wind sensor." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of weather vane this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "WMO-No. 8 Guide to Instruments and Methods of Observation - World Meteorological Organization (performance, siting, and exposure of wind-direction sensors).", "EPA-454/R-99-005 Meteorological Monitoring Guidance for Regulatory Modeling Applications - U.S. Environmental Protection Agency (regulatory wind-vane siting and accuracy).", "ASTM D5741 - ASTM International (characterising surface wind with a wind vane and rotating anemometer).", "ICAO Annex 3 (Meteorological Service for International Air Navigation) and Annex 14 (Aerodromes) - International Civil Aviation Organization (aerodrome wind-direction information; windsocks are specified separately).", "IEC 61400-12-1 - International Electrotechnical Commission (wind vanes used in wind-turbine power-performance testing).", "NFPA 780 / equivalent national lightning-protection codes - often relevant because a metal roof vane can form part of, or interfere with, a lightning-protection system.", "National building and listed-building rules (e.g. IBC rooftop appurtenances; historic-church fabric consents) - govern mounting, load, and alteration of architectural vanes." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of weather vane this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Roof and tower ornaments on churches, barns, public buildings, and houses, read by eye as a local wind-direction cue and as a decorative finial.", "Synoptic, climatological, and air-quality stations, where a vane (or combined wind sensor) supplies the direction component of the wind record.", "Airfields and heliports as a visual or instrument wind-direction source (alongside or distinct from a windsock).", "Small-craft sailing, where a masthead vane is used for apparent-wind angle while racing or trimming.", "Ocean-going yachts, where a wind-vane self-steering gear holds a course relative to the wind without an electric autopilot.", "Wind-turbine nacelles, where a vane (or equivalent direction sensor) feeds yaw control.", "Antique and folk-art markets, especially North American nineteenth-century figural vanes treated as sculpture rather than instruments." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of weather vane this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "quantity": "indicated wind direction (meteorological, direction from which the wind blows)", "typical_range": "0-360", "unit": "degree" }, { "quantity": "starting threshold (lowest wind speed at which the vane aligns usefully)", "typical_range": "0.5-1.5", "unit": "m/s" }, { "quantity": "direction accuracy (quality meteorological vanes; WMO operational target around 5°)", "typical_range": "±3 to ±5", "unit": "degree" }, { "quantity": "damping ratio", "typical_range": "0.3-0.7", "unit": "1 (dimensionless)" }, { "quantity": "delay or distance constant", "typical_range": "1-10", "unit": "m" }, { "quantity": "standard meteorological mounting height above ground", "typical_range": "10 (open site; often lower on ships and rooftops)", "unit": "m" }, { "quantity": "vane body length (instrument heads versus architectural figures)", "typical_range": "0.3-1.2 (instruments); 0.3-2 (typical architectural)", "unit": "m" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of weather vane this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Bearing seizure from ice, corrosion, dust, or dried lubricant, so the pointer sticks and reports a false constant direction.", "Mount not surveyed to true north (or to a documented reference meridian), producing a systematic azimuth bias in logged data.", "Underdamping: the vane overshoots and oscillates in gusts; overdamping: it lags and under-reads direction changes.", "Exposure error: building wakes, roof edges, trees, or masts distort the local flow so a correctly working vane still reports unrepresentative direction.", "Lightning strike or bonding failure on a metal roof vane; also a falling-object hazard if the figure, shaft, or brackets fatigue.", "Encoder, potentiometer, or cable failure on transmitting vanes (dead band, wrap-around glitch at north, or stuck bits).", "Bird perching or nesting that unbalances or jams the vane.", "Misreading the convention: reporting direction the wind is going to, rather than coming from." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of weather vane this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "English usage: 'weather vane' or 'weathervane' is general; 'weathercock' in British and older church usage often means a rooster-form vane specifically.", "French girouette, German Wetterfahne, Dutch weerhaan, Japanese kazamidori (the Kobe/Kitano weathercock is a well-known local landmark type).", "Western Christian churches favoured the rooster after a medieval papal association of the cock with St Peter; other figures (ships, fish, banners, trades) are common on secular buildings.", "United States: a strong nineteenth-century New England folk-art tradition of copper figural vanes (horses, eagles, cows, locomotives) that is now collected as sculpture.", "Official meteorology everywhere treats the device as a wind-direction sensor and usually pairs it with an anemometer; architectural practice treats it as a finial whose accuracy is secondary." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of weather vane this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "name": "windsock (wind cone)", "difference": "A windsock is a fabric tube that droops or lifts with speed and streams downwind; a weather vane is a pivoted rigid (or stiff) pointer. ICAO aerodrome kit specifies windsocks separately from direction vanes." }, { "name": "anemometer", "difference": "An anemometer measures wind speed; a vane measures direction. Combined heads exist (aerovane, propeller-vane), but a cup or sonic anemometer alone is not a vane." }, { "name": "flag or banner", "difference": "A flag streams from a halyard and is not a balanced rotator with a defined pointer and a 360° scale; some early 'banner vanes' sit on the boundary." }, { "name": "lightning rod or roof finial", "difference": "A finial or air terminal is fixed; a vane must rotate. Many historic church fittings combine a cock vane with a lightning conductor - test by whether the figure turns." }, { "name": "wind-vane self-steering gear", "difference": "Shares a wind-sensing paddle but is an actuator that couples to the tiller, rudder, or a trim tab to hold a sailing course, not merely an indicator." }, { "name": "wind rose", "difference": "A wind rose is a diagram or compass card of directional frequencies, not the physical sensor." }, { "name": "ultrasonic or lidar wind sensor", "difference": "Derives direction from time-of-flight or Doppler without a rotating aerodynamic pointer; no mechanical vane to seize, but different calibration and icing behaviour." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of weather vane this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should the registry entry include electronic wind-direction vanes with no locally readable pointer, and where should their sensing and readout boundary fall?", "What evidence is sufficient to distinguish a deliberately nonfunctional decorative replica from a weather vane that has lost its function?", "Which response, accuracy and siting criteria apply to particular designs and intended uses, and which authoritative sources establish them?", "How should usable direction be assessed during weak, gusting or rapidly changing airflow when no design-specific response data are available?", "Which materials, bearing designs or heritage constraints require special maintenance methods or prohibit otherwise plausible interventions?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 16, "questions": 24 } }, "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 weather vane, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to recognise a weather vane, assess whether its indication is trustworthy, and decide whether it may be read, adjusted, maintained or removed from service.", "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: wind tee, wind tetrahedron, weathercock.", "3 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 63 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 weather vane, 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": [ "wind tee", "wind tetrahedron", "weathercock" ] } ], "standing": "Described in 63 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 3 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one weather vane from another, and a weather vane 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 weather vane, 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 weather vane, 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 weather vane 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 weather vane, 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 weather vane, 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 weather vane 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 weather vane 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 weather vane, 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 weather vane, 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 weather vane 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 weather vane from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a weather vane, 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 weather vane, 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 weather vane 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 weather vane 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 weather vane, 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 weather vane, 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 weather vane 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 weather vane is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a weather vane, 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 weather vane, 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 weather vane 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 weather vane is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a weather vane, 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 weather vane, 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 weather vane 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 weather vane 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 weather vane is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a weather vane, 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 weather vane, 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 weather vane 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 weather vane 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 weather vane, 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 weather vane, 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 weather vane 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 weather vane 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 weather vane between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a weather vane, 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 weather vane, 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 weather vane 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 weather vane, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a weather vane 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 weather vane, 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 weather vane, 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 weather vane 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 weather vane 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 weather vane 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 weather vane, 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 weather vane 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 weather vane 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 weather vane 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 weather vane 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 weather vane 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 weather vane, 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 weather vane 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 weather vane and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a weather vane, 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 weather vane, 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 weather vane 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 weather vane is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a weather vane, 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 weather vane, 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 weather vane 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 } } } }