{ "model": { "rank": 2601, "code": "thing-q127666", "model_id": "vr.tr.frying-pan", "name": "frying pan", "purpose": "Enable an AI agent to recognise a frying pan, assess its cooking readiness and condition, and determine suitable uses, handling and care.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q127666/", "tier": 2, "score": 101, "payload": { "layer": "wikidata", "aliases": [ "salt boiling pan", "raclette pan", "grill pan", "cast-iron skillet", "bachîn", "karahi" ], "aliasCount": 6, "merged": 6, "knownIn": 101, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q127666", "url": "https://www.wikidata.org/wiki/Q127666", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T10:20:29Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.01266126, "turns": 1, "seconds": 155.8, "error": null }, "codex": { "seconds": 72.7, "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: 01a07b5d-cd98-75a0-a6ee-17964383e745\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: frying pan\nRegistry id: vr.tr.frying-pan\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA V" } } }, "metaModel": { "id": "THING-Q127666", "registryId": "vr.tr.frying-pan", "name": "frying pan", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q127666/", "model": { "registry_id": "vr.tr.frying-pan", "name": "frying pan", "purpose": "Enable an AI agent to recognise a frying pan, assess its cooking readiness and condition, and determine suitable uses, handling and care.", "definition": "A frying pan is a shallow, usually circular cooking vessel with a long handle and a cooking surface that is wide relative to its short, typically flared sidewalls, designed to heat food by conduction from a hob or flame in a thin film of fat or in the food's own juices so moisture can evaporate quickly and the surface can brown.", "scope_statement": "This model owns the frying pan as a cooking vessel, including its cooking surface, body, base, rim, attached handles and their implications for heating, food handling and maintenance.", "in_scope": [ "Pan geometry and usable cooking capacity", "Body materials, layered construction and cooking-surface treatment", "Compatibility with heat sources and permitted heating conditions", "Handle attachment, stability and handling clearance", "Cleanliness, wear, damage and readiness for use" ], "out_of_scope": [ "Cooker, burner and oven operation", "Recipes, ingredient properties and food doneness", "Detachable lids, utensils and splatter guards as independently modelled objects", "Kitchen ventilation and fire-suppression systems", "Manufacturing processes and supply-chain operations" ], "distinguishing_features": [ "A broad cooking floor with relatively low surrounding walls supports direct contact between food and the heated surface; compare this geometry with the deeper containment of a saucepan.", "A raised perimeter retains some oil and food during movement; compare this with a flat griddle that has little or no enclosing wall.", "The cooking floor occupies a substantial part of the vessel footprint; compare this with a round-bottom wok whose cooking surface rises continuously from a smaller central region.", "Sloping or flared sides favour spatula access and sliding food out; near-vertical walls and greater depth require checking the boundary with a sauté pan rather than classifying by the seller's name alone." ], "characteristics": [ { "name": "Rim diameter", "kind": "measurement", "unit_or_values": "mm; record measurement direction for non-circular pans", "why_it_matters": "Helps identify size and assess lid, storage and oven clearance." }, { "name": "Usable cooking-floor dimensions", "kind": "measurement", "unit_or_values": "mm for diameter or length and width; note flat or ridged surface", "why_it_matters": "Indicates available food-contact space more directly than rim diameter." }, { "name": "Internal depth and wall profile", "kind": "measurement", "unit_or_values": "depth in mm; wall angle in degrees where measurable", "why_it_matters": "Informs containment, utensil access and classification against neighbouring pan types." }, { "name": "Empty mass", "kind": "measurement", "unit_or_values": "g", "why_it_matters": "Supports assessment of lifting, tossing and support requirements." }, { "name": "Body and base construction", "kind": "category", "unit_or_values": "record identified materials, layer arrangement and extent; unknown permitted", "why_it_matters": "Helps interpret heat distribution, heating response and care requirements." }, { "name": "Cooking-surface system", "kind": "category", "unit_or_values": "bare metal, seasoned metal, enamel, identified applied coating, other, unknown", "why_it_matters": "Determines which wear observations and care instructions are relevant." }, { "name": "Heat-source compatibility", "kind": "relation", "unit_or_values": "pan-to-heat-source relation with confirmed, conditional, excluded or unknown status and evidence", "why_it_matters": "Prevents assuming suitability from appearance or material alone." }, { "name": "Heating restrictions", "kind": "category", "unit_or_values": "documented limits in °C where supplied, plus oven, grill and empty-preheating conditions; unknown permitted", "why_it_matters": "Constrains heating actions according to the complete pan assembly." }, { "name": "Base seating condition", "kind": "state", "unit_or_values": "stable, rocking, visibly distorted, untested; identify support and observation temperature", "why_it_matters": "Affects stability and contact with flat cooking surfaces." }, { "name": "Handle assembly condition", "kind": "state", "unit_or_values": "secure, loose, cracked, missing, uncertain; assessed separately for each handle", "why_it_matters": "Determines whether lifting or moving the pan can be justified." }, { "name": "Cooking-surface condition", "kind": "state", "unit_or_values": "record residue, corrosion, scratches, exposed substrate, flaking and seasoning condition where applicable", "why_it_matters": "Supports a surface-specific decision to clean, maintain, inspect further or stop use." }, { "name": "Current thermal state", "kind": "state", "unit_or_values": "measured temperature in °C with location and time, or hot, cooling, cool, unknown", "why_it_matters": "Constrains touching, moving, washing and storage." } ], "affordances": [ "Select the pan for shallow frying, searing or sautéing when its geometry and verified restrictions support the task.", "Place it on a compatible heat source with appropriate support and clearance.", "Turn, stir or release food using utensils suited to its cooking surface.", "Lift, tilt or transfer it after checking handle security, load and thermal state.", "Clean, dry or renew seasoning using a method supported for the identified surface.", "Remove it from service for inspection when damage or unresolved restrictions prevent a justified use decision." ] }, "sources": [ { "id": "src-wikipedia-frying-pan", "title": "Frying pan - Wikipedia (Wikimedia Foundation)", "url": "https://en.wikipedia.org/wiki/Frying_pan", "what_it_supports": "Common-language identity of the vessel, material varieties, and the skillet/frying-pan naming split.", "url_status": "live" }, { "id": "src-en-12983-1", "title": "EN 12983-1, Cookware - Domestic cookware for use on top of a stove, hob or cooktop - Part 1: General requirements (CEN)", "url": "", "what_it_supports": "That domestic stovetop frypans fall under a published cookware product standard covering construction, handles, stability and performance tests." }, { "id": "src-ec-1935-2004", "title": "Regulation (EC) No 1935/2004 on materials and articles intended to come into contact with food (European Parliament and Council)", "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32004R1935", "what_it_supports": "Food-contact legal frame for pan bodies, coatings and handles placed on the EU market.", "url_status": "live" }, { "id": "src-mcgee-on-food-and-cooking", "title": "On Food and Cooking: The Science and Lore of the Kitchen - Harold McGee (Scribner)", "url": "", "what_it_supports": "Why pan material, mass and surface condition control browning, sticking and heat response in shallow-fat cooking." } ], "structure": { "bundles": [ { "id": "pan-identity-and-geometry", "name": "Pan identity and geometry", "description": "Establishes that the vessel is a frying pan and records the geometry relevant to cooking.", "rationale": "Product names and nominal sizes alone do not establish vessel type or usable cooking space.", "layers": [ { "id": "vessel-boundary", "name": "Vessel boundary", "description": "Separates frying pans from adjacent cooking-vessel types.", "findings": [ { "id": "frying-pan-classification", "name": "Frying-pan classification", "description": "Records the observed geometry and designation supporting classification, including ambiguous hybrid forms.", "questions": [ { "text": "What combination of cooking-floor breadth, wall depth and wall profile supports identifying this vessel as a frying pan?", "kind": "definition", "id": "frying-pan-classification-q01" }, { "text": "Does its geometry place it near the boundary with a sauté pan, wok, griddle or saucepan?", "kind": "boundary", "id": "frying-pan-classification-q02" } ] } ] }, { "id": "usable-cooking-space", "name": "Usable cooking space", "description": "Distinguishes labelled size from the space available for food and utensils.", "findings": [ { "id": "floor-wall-and-rim-geometry", "name": "Floor, wall and rim geometry", "description": "Records cooking-floor dimensions, depth, wall slope and rim features affecting access and containment.", "questions": [ { "text": "What are the rim dimensions, usable cooking-floor dimensions and internal depth?", "kind": "measurement", "id": "floor-wall-and-rim-geometry-q01" }, { "text": "Do wall slope, ridges, pouring lips or rim shape constrain turning food, sliding it out or pouring liquid?", "kind": "action", "id": "floor-wall-and-rim-geometry-q02" } ] } ] } ] }, { "id": "body-and-cooking-surface", "name": "Body and cooking surface", "description": "Identifies the pan's material construction and food-contact surface.", "rationale": "Heating behaviour, utensil choice and maintenance depend on distinctions between the body, base and surface.", "layers": [ { "id": "material-construction", "name": "Material construction", "description": "Records which materials occur where and how confidently they are identified.", "findings": [ { "id": "body-base-and-layer-evidence", "name": "Body, base and layer evidence", "description": "Separates verified construction details from visual guesses about solid, clad or attached-base designs.", "questions": [ { "text": "What evidence identifies the body material, base material and any layered construction?", "kind": "provenance", "id": "body-base-and-layer-evidence-q01" }, { "text": "Do identified layers extend through the walls or occur only at the base, and what remains unknown?", "kind": "boundary", "id": "body-base-and-layer-evidence-q02" } ] } ] }, { "id": "food-contact-surface", "name": "Food-contact surface", "description": "Identifies the surface system that food and utensils encounter.", "findings": [ { "id": "surface-treatment-and-care-basis", "name": "Surface treatment and care basis", "description": "Records whether the cooking surface is bare, seasoned, enamelled or otherwise coated, with supporting identification.", "questions": [ { "text": "What identifies the cooking surface and distinguishes an applied coating from seasoning or accumulated residue?", "kind": "provenance", "id": "surface-treatment-and-care-basis-q01" }, { "text": "Which utensil and cleaning methods are supported for this identified surface?", "kind": "action", "id": "surface-treatment-and-care-basis-q02" } ] } ] } ] }, { "id": "heating-compatibility-and-limits", "name": "Heating compatibility and limits", "description": "Relates the complete pan to heat sources and supported heating conditions.", "rationale": "A pan can fit a cooker physically while remaining unsuitable for its heating method or intended temperature.", "layers": [ { "id": "heat-source-interface", "name": "Heat-source interface", "description": "Assesses heating compatibility together with base contact and physical support.", "findings": [ { "id": "supported-cooker-match", "name": "Supported cooker match", "description": "Records evidence for use on the intended cooker and any conditions on pan size, seating or support.", "questions": [ { "text": "What marking, instruction or documented test establishes compatibility with the intended gas, electric, radiant or induction heat source?", "kind": "provenance", "id": "supported-cooker-match-q01" }, { "text": "Does the base sit securely on the intended support, and how do its contact dimensions compare with the heating zone?", "kind": "measurement", "id": "supported-cooker-match-q02" } ] } ] }, { "id": "whole-pan-heating-envelope", "name": "Whole-pan heating envelope", "description": "Accounts for restrictions imposed by handles, attachments and coatings as well as the body.", "findings": [ { "id": "assembly-specific-heating-restrictions", "name": "Assembly-specific heating restrictions", "description": "Records supported temperature and heating-mode limits for the pan in its current configuration.", "questions": [ { "text": "What documented limits apply to oven use, overhead grilling and empty preheating for this exact pan configuration?", "kind": "provenance", "id": "assembly-specific-heating-restrictions-q01" }, { "text": "Does the proposed heating action satisfy every applicable restriction, including those for handles and coatings?", "kind": "action", "id": "assembly-specific-heating-restrictions-q02" } ] } ] } ] }, { "id": "handling-and-food-transfer", "name": "Handling and food transfer", "description": "Assesses control of the pan during lifting, turning, tilting and serving.", "rationale": "Frying-pan use often involves moving a hot vessel containing food and mobile fat, making grip and load geometry consequential.", "layers": [ { "id": "grip-and-attachment", "name": "Grip and attachment", "description": "Examines each handle and its connection to the pan body.", "findings": [ { "id": "handle-readiness", "name": "Handle readiness", "description": "Records handle type, attachment condition and available evidence about its current temperature.", "questions": [ { "text": "Are the main handle and any helper handle secure, undamaged and correctly engaged if detachable?", "kind": "measurement", "id": "handle-readiness-q01" }, { "text": "What evidence establishes whether each intended grip can be held directly or requires thermal protection?", "kind": "action", "id": "handle-readiness-q02" } ] } ] }, { "id": "loaded-pan-control", "name": "Loaded pan control", "description": "Relates vessel mass and contents to the intended movement.", "findings": [ { "id": "lifting-tilting-and-pouring", "name": "Lifting, tilting and pouring", "description": "Records the load and geometry relevant to controlled movement and food transfer.", "questions": [ { "text": "What is the empty mass, and what total load and liquid level are expected for the intended movement?", "kind": "measurement", "id": "lifting-tilting-and-pouring-q01" }, { "text": "Do the grip arrangement, rim shape and available clearance support the proposed lift, tilt, toss or pour?", "kind": "action", "id": "lifting-tilting-and-pouring-q02" } ] } ] } ] }, { "id": "condition-and-cooking-readiness", "name": "Condition and cooking readiness", "description": "Connects observed wear, contamination and damage to a justified next action.", "rationale": "Readiness depends on the particular surface and failure mode; one generic condition label cannot support care or continued-use decisions.", "layers": [ { "id": "surface-and-body-inspection", "name": "Surface and body inspection", "description": "Records defects separately from normal material-specific appearance.", "findings": [ { "id": "observed-wear-and-damage", "name": "Observed wear and damage", "description": "Locates and characterises surface deterioration, corrosion, cracks, distortion and layer separation without assuming their significance.", "questions": [ { "text": "Where are scratches, flaking, exposed substrate, corrosion, cracks or separation visible, and how extensive are they?", "kind": "measurement", "id": "observed-wear-and-damage-q01" }, { "text": "What evidence distinguishes expected patina or seasoning variation from damage requiring intervention?", "kind": "boundary", "id": "observed-wear-and-damage-q02" } ] } ] }, { "id": "care-and-return-to-use", "name": "Care and return to use", "description": "Determines whether cleaning, maintenance or further assessment can establish readiness.", "findings": [ { "id": "next-care-or-use-decision", "name": "Next care or use decision", "description": "Records the justified next step and unresolved conditions preventing a return to cooking.", "questions": [ { "text": "Given the surface type, residue and thermal state, what cleaning, drying or seasoning action is supported?", "kind": "action", "id": "next-care-or-use-decision-q01" }, { "text": "What inspection result or authoritative guidance is needed before this pan can return to use after the observed damage?", "kind": "action", "id": "next-care-or-use-decision-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": [ "Cast-iron skillet", "Carbon-steel frying pan", "Clad (multi-ply) stainless-steel frying pan", "PTFE-coated nonstick frying pan", "Ceramic-coated frying pan", "Lined copper frying pan", "Electric frying pan (integral heater and thermostat)", "Ridged grill pan" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of frying pan 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": "Q12876", "note": "Item labelled frying pan; English Wikipedia sitelink Frying pan." }, { "scheme": "UNSPSC", "value_or_pattern": "52151504", "note": "Commodity class Frying Pans under cookware, used in procurement catalogues." }, { "scheme": "Harmonized System", "value_or_pattern": "7323.91 / 7323.93 / 7615.10 (and related 73.23 / 76.15 subheadings)", "note": "No single HS code for frying pans as such; they are classified as table/kitchen articles of cast iron, stainless steel or aluminium according to the body metal." }, { "scheme": "GTIN (GS1)", "value_or_pattern": "retail GTIN-13 / GTIN-12 per SKU", "note": "Identifies a manufacturer's model and size, not the kind 'frying pan'." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of frying pan 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": [ "EN 12983-1 (and later parts of the EN 12983 series) - domestic stovetop cookware, general and material-specific requirements (CEN).", "Regulation (EC) No 1935/2004 - framework for food-contact materials and articles (European Parliament and Council).", "Commission Regulation (EU) 10/2011 - plastic food-contact materials, relevant to some handles, lids and coatings (European Commission).", "REACH Annex XVII Entry 68 and the EU POPs Regulation - restrictions on PFOA and related substances historically used in PTFE manufacture (ECHA / European Union).", "FDA 21 CFR food-contact provisions (including Parts 175-177 as applicable) - coatings, polymers and metal articles for food use (U.S. Food and Drug Administration).", "NSF/ANSI 51 - Food Equipment Materials, used for commercial cookware surfaces (NSF).", "California AB 1200 - cookware chemical disclosure and related PFAS limits for cookware sold in California (State of California).", "GB 4806 series - national food-contact material standards applying to cookware on the Chinese market (Standardization Administration of China)." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of frying pan 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": [ "Home stovetop searing, sautéing, frying eggs, pancakes and shallow-fried vegetables or meat.", "Restaurant sauté stations, where carbon-steel or clad stainless pans are heated hard, deglazed, and cycled through a dish pit.", "Camping and hearth cooking with seasoned cast iron set on a grate, coals, or a camp stove.", "Countertop cooking with an electric frying pan where no hob is available (dormitories, buffets, outdoor service).", "Retail as a sized set (typically 20 cm, 24 cm, 28 cm / 8-12 in) sold by coating type and hob compatibility, including induction." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of frying pan 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": "Cooking-surface diameter (nominal retail size)", "typical_range": "20-32 (household); about 15-40 overall", "unit": "cm" }, { "quantity": "Sidewall height", "typical_range": "30-60", "unit": "mm" }, { "quantity": "Mass (empty pan)", "typical_range": "0.6-4", "unit": "kg" }, { "quantity": "Base thickness (body or cladding)", "typical_range": "2.5-8", "unit": "mm" }, { "quantity": "Manufacturer maximum use temperature for PTFE coatings", "typical_range": "230-260", "unit": "°C" }, { "quantity": "Typical working oil film / shallow-fry depth", "typical_range": "1-10", "unit": "mm" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of frying pan 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": [ "Grease fire when cooking oil is heated past its flash point, especially in an unattended pan.", "Overheating of PTFE coatings: coating breakdown, polymer-fume fever in humans, and acute toxicity to pet birds.", "Thermal warping of thin disk-base aluminium pans on high gas or induction heat, causing rocking and hot-spots.", "Handle or rivet failure, or an uninsulated metal handle, leading to drop injuries and contact burns.", "Loss of seasoning and rust on cast iron and carbon steel after soaking, dishwashers, or acidic cooks.", "Scratching, flaking or delamination of nonstick or ceramic coatings, putting particles in food and ruining release.", "Oil splatter and steam burns; also cracked glass lids.", "Metal ion pickup or contact dermatitis (nickel from some stainless steels; pitting of untreated aluminium)." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of frying pan 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": [ "United States: skillet is everyday speech for this pan, especially cast iron; frying pan and frypan are also used.", "United Kingdom and much of the Commonwealth: frying pan is the default name; skillet is less common and often implies cast iron.", "France and many professional kitchens: poêle, with carbon steel (tôle d'acier) as the workhorse rather than nonstick.", "East Asia: a wok often does the everyday frying job; Japanese フライパン usually means a Western-style, often nonstick, flat pan.", "Indian subcontinent: tava/tawa (almost flat) and kadhai (deeper, wok-like) cover much of the frying work that a Western frying pan would do.", "Europe more often specifies induction-compatible ferromagnetic bases; traditional copper and some aluminium pans remain common where gas still dominates." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of frying pan 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": "Sauté pan", "difference": "Straight, relatively tall walls and usually a lid; a frying pan has flared or sloped sides and is shallower so food can be tossed and slid out." }, { "name": "Wok", "difference": "Continuous deep curve from a small base to a high rim and a steep heat gradient; a frying pan has a wide flat floor and short sides." }, { "name": "Saucepan", "difference": "Depth is comparable to or greater than the radius and it is built for liquids; a frying pan is wide and shallow for surface browning." }, { "name": "Griddle / plancha", "difference": "Rim height is near zero, so it cannot hold a pool of fat or a sauce; a frying pan has a distinct sidewall." }, { "name": "Crêpe pan", "difference": "Extremely low rim (often under about 15 mm) for spreading batter; a general frying pan has higher sides for turning and containing fat." }, { "name": "Dutch oven / casserole", "difference": "Deep pot with a tight-fitting lid as a primary feature, for oven and moist heat; a frying pan is a stovetop shallow pan with a long handle." }, { "name": "Commercial tilting skillet (braising pan)", "difference": "Large, usually rectangular, fixed appliance with a hinged lid and a tilt mechanism, often steam-jacketed; not a handheld round pan." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of frying pan this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend frying pan to include ridged grill pans, crepe pans, electric frying pans and sauté-pan hybrids, or are these covered by neighbouring entries?", "Which recognised measurement conventions should govern nominal diameter, usable cooking-floor size and wall profile?", "What evidence is sufficient to establish heat-source compatibility and heating limits when the maker and exact product cannot be identified?", "Which surface-specific criteria justify continued use, restoration or retirement for scratching, flaking, corrosion and seasoning loss?", "How should normal base curvature be distinguished from consequential warping across different materials, temperatures and cooker types?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }, "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 frying pan, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise a frying pan, assess its cooking readiness and condition, and determine suitable uses, handling and care.", "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: salt boiling pan, raclette pan, grill pan, cast-iron skillet, bachîn, karahi.", "6 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 101 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 frying pan, 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": [ "salt boiling pan", "raclette pan", "grill pan", "cast-iron skillet", "bachîn", "karahi" ] } ], "standing": "Described in 101 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 6 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 frying pan from another, and a frying pan 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 frying pan, 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 frying pan, 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 frying pan 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 frying pan, 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 frying pan, 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 frying pan 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 frying pan 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 frying pan, 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 frying pan, 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 frying pan 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 frying pan from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a frying pan, 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 frying pan, 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 frying pan 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 frying pan 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 frying pan, 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 frying pan, 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 frying pan 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 frying pan is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a frying pan, 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 frying pan, 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 frying pan 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 frying pan is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a frying pan, 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 frying pan, 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 frying pan 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 frying pan 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 frying pan is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a frying pan, 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 frying pan, 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 frying pan 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 frying pan 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 frying pan, 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 frying pan, 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 frying pan 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 frying pan 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 frying pan between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a frying pan, 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 frying pan, 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 frying pan 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 frying pan, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a frying pan 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 frying pan, 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 frying pan, 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 frying pan 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 frying pan 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 frying pan 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 frying pan, 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 frying pan 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 frying pan 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 frying pan 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 frying pan 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 frying pan 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 frying pan, 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 frying pan 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 frying pan and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a frying pan, 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 frying pan, 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 frying pan 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 frying pan is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a frying pan, 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 frying pan, 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 frying pan 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 } } } }