{ "model": { "rank": 4828, "code": "thing-q14673", "model_id": "vr.tr.pebble", "name": "pebble", "purpose": "Enable an agent to recognise a pebble, assess its physical condition and geological context, and judge suitable handling, study or use.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q14673/", "tier": 2, "score": 72, "payload": { "layer": "wikidata", "aliases": [], "aliasCount": 0, "merged": 0, "knownIn": 72, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q14673", "url": "https://www.wikidata.org/wiki/Q14673", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T21:04:34Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 19.4, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087fb-b896-7d01-9578-e7e8859429a9\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: pebble\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 1001 register", "usd": 0, "recall": true }, "codex": { "seconds": 58.3, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087fb-b886-7a20-8453-7a7fd34521ac\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: pebble\nRegistry id: vr.tr.pebble\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext fo" } } }, "metaModel": { "id": "THING-Q14673", "registryId": "vr.tr.pebble", "name": "pebble", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q14673/", "model": { "registry_id": "vr.tr.pebble", "name": "pebble", "purpose": "Enable an agent to recognise a pebble, assess its physical condition and geological context, and judge suitable handling, study or use.", "definition": "A pebble is a small rock fragment, commonly rounded in ordinary usage, classified in sedimentology as a gravel-sized clast between 4 and 64 millimetres in diameter on the Udden-Wentworth scale.", "scope_statement": "This model owns pebble as a kind of discrete, small stone clast, distinguishing everyday usage from sedimentological classification and recording individual specimens without treating roundedness or origin as given.", "in_scope": [ "Recognition of a discrete stone as a pebble under an explicitly named usage or classification", "Specimen dimensions, shape, surface texture and material composition", "Evidence of weathering, abrasion, fracture and transport", "Occurrence as a loose clast or a distinguishable clast within a deposit", "Suitability for collection, examination and small-scale practical use" ], "out_of_scope": [ "Bulk gravel deposits and their engineering performance", "Bedrock bodies and regional geological history", "Mineral species and rock types as independent kinds", "Artificial beads, pellets and manufactured stone products", "Pebble beaches, river channels and other landforms as whole systems" ], "distinguishing_features": [ "Identify a discrete stone clast rather than a continuous exposure of bedrock or an aggregate of many grains.", "Measure the clast using a declared grain-size convention before distinguishing pebble from granule or cobble in technical usage.", "Record roundedness independently: a smooth surface alone does not establish a technical pebble classification.", "Inspect material and fabrication evidence to distinguish a stone clast from a shell fragment, ceramic fragment or manufactured pellet.", "Distinguish one pebble from gravel, which describes a collection or sediment size grouping rather than necessarily one clast." ], "characteristics": [ { "name": "Naming and classification basis", "kind": "category", "unit_or_values": "Everyday usage; named sedimentological convention; unresolved", "why_it_matters": "The word can express an everyday judgement or a technical size class with different boundaries." }, { "name": "Principal dimensions", "kind": "measurement", "unit_or_values": "Longest, intermediate and shortest axes in mm, with method and uncertainty", "why_it_matters": "Dimensions support size classification and distinguish flat, elongate and equant specimens." }, { "name": "Mass", "kind": "measurement", "unit_or_values": "g, with dry or wet condition stated", "why_it_matters": "Mass informs handling and use and can support material assessment when combined with volume." }, { "name": "Roundedness", "kind": "category", "unit_or_values": "Named visual scale with reference images; unassessed", "why_it_matters": "Edge rounding helps describe abrasion without confusing it with overall shape." }, { "name": "Overall form", "kind": "category", "unit_or_values": "Equant; discoidal; bladed; elongate; irregular, under a stated method", "why_it_matters": "Form affects packing, rolling, stacking and suitability for uses such as skipping." }, { "name": "Rock or mineral composition", "kind": "category", "unit_or_values": "Observed or tested material identification, confidence and method; unknown", "why_it_matters": "Composition influences durability and interpretation of possible geological sources." }, { "name": "Surface condition", "kind": "state", "unit_or_values": "Observed roughness, polish, pits, coatings, staining and adhering sediment", "why_it_matters": "Surface features may affect handling and preserve evidence that cleaning could remove." }, { "name": "Structural integrity", "kind": "state", "unit_or_values": "Apparently intact; cracked; flaking; friable; freshly fractured; unassessed", "why_it_matters": "Condition governs whether manipulation or testing could fragment the specimen." }, { "name": "Occurrence and collection context", "kind": "relation", "unit_or_values": "Observed location, host deposit, embedded or loose position, collection event and subsequent movements", "why_it_matters": "A pebble's present location is evidence of occurrence but does not necessarily identify its geological origin." } ], "affordances": [ "Measure, weigh and photograph the pebble with scale and wetness documented.", "Classify size, roundedness and form using declared conventions.", "Inspect composition, coatings and fractures, escalating to material tests when justified.", "Compare the specimen with neighbouring clasts to assess whether it is typical of its deposit.", "Assess suitability for sorting, display, stacking or skipping from its shape and condition.", "Collect, clean, sample or leave it in place according to site permissions and the evidence those actions could disturb." ] }, "sources": [], "structure": { "bundles": [ { "id": "pebble-recognition", "name": "Pebble recognition", "description": "Establish the stone-clast sense and the basis for applying the name pebble.", "rationale": "Everyday naming and technical grain-size classification must remain distinguishable.", "layers": [ { "id": "stone-clast-boundary", "name": "Stone clast boundary", "description": "Recognise an individual stone fragment and distinguish neighbouring object kinds.", "findings": [ { "id": "discrete-stone-identity", "name": "Discrete stone identity", "description": "Record evidence for a discrete stone clast, including uncertainty about material and manufacture.", "questions": [ { "text": "What observations establish that this is one stone clast rather than bedrock, a composite aggregate or a non-stone fragment?", "kind": "boundary", "id": "discrete-stone-identity-q01" }, { "text": "Do surface geometry, material or tool marks suggest manufacture or deliberate shaping?", "kind": "provenance", "id": "discrete-stone-identity-q02" } ] } ] }, { "id": "size-class-boundary", "name": "Size class boundary", "description": "Apply a declared meaning of pebble using reproducible measurements where needed.", "findings": [ { "id": "classification-basis", "name": "Classification basis", "description": "Keep the naming convention, dimensional evidence and boundary uncertainty together.", "questions": [ { "text": "Is pebble being used as an everyday name or as a size class in a named sedimentological convention?", "kind": "definition", "id": "classification-basis-q01" }, { "text": "Which dimension or sieve measurement determines the class, and could measurement uncertainty place the specimen in an adjacent class?", "kind": "measurement", "id": "classification-basis-q02" } ] } ] } ] }, { "id": "clast-form-and-material", "name": "Clast form and material", "description": "Describe the geometry and substance that make this pebble physically distinctive.", "rationale": "Size alone cannot explain a pebble's behaviour or distinguish its composition and form.", "layers": [ { "id": "geometry-and-rounding", "name": "Geometry and rounding", "description": "Separate whole-clast proportions from edge rounding and surface texture.", "findings": [ { "id": "measured-clast-form", "name": "Measured clast form", "description": "Record principal axes, form and roundedness without using smoothness as a substitute for any of them.", "questions": [ { "text": "What are the longest, intermediate and shortest axes, and what form do their proportions support?", "kind": "measurement", "id": "measured-clast-form-q01" }, { "text": "How rounded are the edges under a declared visual scale, independently of surface polish?", "kind": "measurement", "id": "measured-clast-form-q02" } ] } ] }, { "id": "composition-and-fabric", "name": "Composition and fabric", "description": "Identify constituent material and internal features visible without unnecessary damage.", "findings": [ { "id": "material-identification-confidence", "name": "Material identification confidence", "description": "Separate directly observed grains, bands and inclusions from inferred rock or mineral identification.", "questions": [ { "text": "Which visible grains, bands, pores or inclusions support the proposed material identification?", "kind": "definition", "id": "material-identification-confidence-q01" }, { "text": "Which additional observation or test would distinguish the remaining candidate materials, and would it damage the pebble?", "kind": "action", "id": "material-identification-confidence-q02" } ] } ] } ] }, { "id": "surface-history-and-occurrence", "name": "Surface history and occurrence", "description": "Record evidence of alteration and context while keeping geological explanations provisional.", "rationale": "A rounded pebble may have several possible histories, and its current setting need not be where it formed.", "layers": [ { "id": "abrasion-weathering-and-fracture", "name": "Abrasion, weathering and fracture", "description": "Describe surface features that may constrain the sequence of physical changes.", "findings": [ { "id": "surface-evidence-and-alternatives", "name": "Surface evidence and alternatives", "description": "Document polish, pits, weathering rinds and fractures before assigning a process or environment.", "questions": [ { "text": "Which surfaces are rounded, polished, pitted, coated or freshly broken, and how do those features intersect?", "kind": "measurement", "id": "surface-evidence-and-alternatives-q01" }, { "text": "What evidence distinguishes proposed water, ice, wind or artificial abrasion histories, and which alternatives remain plausible?", "kind": "provenance", "id": "surface-evidence-and-alternatives-q02" } ] } ] }, { "id": "deposit-and-movement-context", "name": "Deposit and movement context", "description": "Connect the pebble to its observed setting and any documented relocation.", "findings": [ { "id": "occurrence-versus-origin", "name": "Occurrence versus origin", "description": "Record findspot and deposit relationships separately from hypotheses about source rock and transport.", "questions": [ { "text": "Was the pebble loose, embedded or deliberately placed, and what sediment or neighbouring clasts surrounded it?", "kind": "provenance", "id": "occurrence-versus-origin-q01" }, { "text": "What supports a proposed source area or transport history beyond the pebble's present location?", "kind": "provenance", "id": "occurrence-versus-origin-q02" } ] } ] } ] }, { "id": "specimen-condition-and-intervention", "name": "Specimen condition and intervention", "description": "Judge what can be done with the pebble while accounting for fragility and contextual evidence.", "rationale": "Cleaning, moving or striking a pebble can change both the specimen and the information available from it.", "layers": [ { "id": "integrity-and-use-fit", "name": "Integrity and use fit", "description": "Relate fractures, friability, form and mass to a specified use.", "findings": [ { "id": "use-specific-suitability", "name": "Use-specific suitability", "description": "Assess suitability for a named activity from observed properties rather than from the label pebble.", "questions": [ { "text": "Are there cracks, loose grains, flakes or sharp fracture edges that affect handling or likely breakage?", "kind": "measurement", "id": "use-specific-suitability-q01" }, { "text": "For the intended use, which requirements for mass, flatness, roundedness and durability does this pebble meet?", "kind": "action", "id": "use-specific-suitability-q02" } ] } ] }, { "id": "collection-cleaning-and-sampling", "name": "Collection, cleaning and sampling", "description": "Select interventions with attention to collection authority and loss of geological or cultural evidence.", "findings": [ { "id": "evidence-preserving-intervention", "name": "Evidence-preserving intervention", "description": "Determine whether moving, washing or sampling the pebble is justified and what must first be recorded.", "questions": [ { "text": "What site rules, ownership conditions or possible archaeological context govern removal or alteration of this pebble?", "kind": "action", "id": "evidence-preserving-intervention-q01" }, { "text": "Which coatings, adhering sediments, marks or positional relationships would cleaning or collection destroy, and how should they be documented first?", "kind": "action", "id": "evidence-preserving-intervention-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-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "The sense assumed here is a natural rock fragment, not a product or proper name.", "Roundness is common but is not required by the sedimentological size classification.", "Size boundaries and diameter measurement conventions should be checked against the classification used by the intended application." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of pebble this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Quartz pebbles", "Flint pebbles", "Granite pebbles", "Limestone pebbles" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of pebble this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Landscaping and decorative ground cover", "Aggregate for construction when material properties and grading are suitable", "Drainage layers", "Evidence for sediment transport, depositional environments and source geology" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of pebble this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "quantity": "Particle diameter", "typical_range": "4-64; a classification interval on the Udden-Wentworth scale", "unit": "mm" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of pebble this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Loose pebbles can create slipping or rolling hazards underfoot.", "Small pebbles can present a choking hazard.", "Pebbles ejected by tyres or machinery can cause impact injuries.", "Weathering and abrasion can fracture or wear pebbles, depending on their composition." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of pebble this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Everyday usage is less size-specific than sedimentological usage.", "Engineering soil classifications can use gravel size boundaries that differ from the Udden-Wentworth subdivisions." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of pebble this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "name": "gravel", "difference": "Gravel is the broader sediment size category that includes pebbles; a pebble is an individual clast within it." }, { "name": "granule", "difference": "On the Udden-Wentworth scale, granules occupy the 2-4 mm interval immediately below pebbles." }, { "name": "cobble", "difference": "On the Udden-Wentworth scale, cobbles occupy the 64-256 mm interval immediately above pebbles." }, { "name": "stone", "difference": "Stone is a broader everyday term without a fixed particle-size interval." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of pebble this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which everyday and technical senses should the registry explicitly admit, and which grain-size convention and boundary rules should govern technical classification?", "Should artificial tumbling or deliberate shaping leave a stone within this entry, or transfer ownership to a manufactured stone-product model?", "How should pebble-sized clasts embedded in consolidated rock relate to this model and to the host-rock model?", "Which roundedness and form assessment methods are sufficiently repeatable for agent use from photographs?", "Does an existing Vercy world model already own pebble or stone clast, requiring this registry entry to link to it?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 15, "questions": 23 } }, "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 pebble, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to recognise a pebble, assess its physical condition and geological context, and judge suitable handling, study or use.", "characteristics": { "substance": "material", "origin": "manufactured", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Described in 72 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 pebble, 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": [], "standing": "Described in 72 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one pebble from another, and a pebble 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 pebble, 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 pebble, 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 pebble 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 pebble, 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 pebble, 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 pebble 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 pebble 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 pebble, 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 pebble, 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 pebble 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 pebble from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a pebble, 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 pebble, 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 pebble 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 pebble 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 pebble, 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 pebble, 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 pebble 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 pebble is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a pebble, 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 pebble, 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 pebble 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 pebble is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a pebble, 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 pebble, 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 pebble 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 pebble 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 pebble is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a pebble, 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 pebble, 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 pebble 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 pebble 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 pebble, 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 pebble, 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 pebble 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 pebble 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 pebble between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a pebble, 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 pebble, 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 pebble 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 pebble, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a pebble 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 pebble, 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 pebble, 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 pebble 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 pebble 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 pebble 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 pebble, 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 pebble 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 pebble 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 pebble 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 pebble 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 pebble 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 pebble, 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 pebble 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 pebble and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a pebble, 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 pebble, 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 pebble 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 pebble is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a pebble, 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 pebble, 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 pebble 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 } } } }