{ "model": { "rank": 1822, "code": "thing-q39297", "model_id": "vr.tr.volume", "name": "volume", "purpose": "Let an agent handle volume with unit, method, conditions and domain definitions, and avoid confusing volume with capacity or mass.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.QTY", "industry": "", "version": "", "url": "/models/thing/q39297/", "tier": 2, "score": 126, "payload": { "layer": "wikidata", "aliases": [ "stroke volume", "stevedoring", "LNG ship to ship transfer", "functional residual capacity", "dead space", "mean corpuscular volume", "mean platelet volume", "tonnage", "volume (thermodynamics)", "reference volume", "clearance volume", "molecular volume", "strike zone", "volume of distribution", "volumes intervals", "partial molar quantity", "volume element", "intracranial volume", "volume of an n-ball", "water mass", "Barrel volume formula", "engine displacement", "hyperbolic volume", "Cayley–Menger determinant", "respiratory minute volume", "change in volume", "Underdeck tonnage" ], "aliasCount": 27, "merged": 27, "knownIn": 126, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.volume-attribute", "source": { "dataset": "wikidata", "item": "Q39297", "url": "https://www.wikidata.org/wiki/Q39297", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T06:00:55Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 1, "engine": "claude" }, "metaModel": { "id": "THING-Q39297", "registryId": "vr.tr.volume", "name": "volume", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.QTY" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q39297/", "model": { "registry_id": "vr.tr.volume", "name": "volume", "purpose": "Let an agent handle volume with unit, method, conditions and domain definitions, and avoid confusing volume with capacity or mass.", "definition": "The amount of three-dimensional space occupied by a substance or enclosed by a container, measured in cubic metres or litres; domain-specific volumes include stroke volume and lung volumes.", "what_it_is_for": "Measuring space and amounts of fluids and materials.", "affordances": [ "measure and calculate it", "convert units", "correct for temperature and pressure for gases", "use it in trade and medicine" ], "distinguishing_features": [ "Three-dimensional extent", "Gas volume depends on temperature and pressure", "Capacity of a container differs from contents volume", "Loudness volume is a different sense" ], "appearance": "Numbers with units such as L, mL, m3; graduated containers.", "visual_identification": [ "Units L, mL, m3, gallons", "Graduated vessels", "Medical volumes such as mean corpuscular volume" ], "physical_properties": [ { "quantity": "SI unit", "typical_range": "cubic metre", "unit": "m3", "note": "1 L = 0.001 m3" }, { "quantity": "US gallon", "typical_range": "3.785", "unit": "L", "note": "imperial gallon 4.546 L" } ], "families_and_kinds": [ "geometric volume", "fluid volume", "gas volume at stated conditions", "medical volumes: stroke volume, lung volumes", "trade volumes" ], "related_models": [ { "relation": "is a kind of", "target": "physical quantity", "why": "derived" }, { "relation": "relates to", "target": "length", "why": "cubed" }, { "relation": "has kind", "target": "cup and bottle quantity", "why": "practical units" }, { "relation": "is confused with", "target": "loudness", "why": "a homonym" } ], "identifiers": [ { "scheme": "SI unit symbol", "value_or_pattern": "m3", "note": "cubic metre" } ], "standards_and_regulation": [ "SI Brochure", "Legal metrology for volume measures in trade", "Reference conditions for gases (ISO 13443)" ], "failure_modes_and_hazards": [ "US and imperial gallon confusion", "Ignoring gas conditions", "Dosing errors with volume units in medicine" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "value", "name": "Value", "description": "How much.", "rationale": "Units must be explicit.", "layers": [ { "id": "unit", "name": "Unit", "description": "L, m3, gallon.", "findings": [ { "id": "unit-finding", "name": "Unit", "description": "Unit.", "questions": [ { "text": "In which unit is the volume given?", "kind": "definition" }, { "text": "Which gallon, if gallons?", "kind": "boundary" } ] } ] }, { "id": "conditions", "name": "Conditions", "description": "Temperature and pressure.", "findings": [ { "id": "conditions-finding", "name": "Conditions", "description": "Reference conditions.", "questions": [ { "text": "At what temperature and pressure?", "kind": "measurement" }, { "text": "Does it matter for this substance?", "kind": "boundary" } ] } ] } ] }, { "id": "measurement", "name": "Measurement", "description": "How measured.", "rationale": "Methods differ.", "layers": [ { "id": "method", "name": "Method", "description": "Graduated, flow, geometric.", "findings": [ { "id": "method-finding", "name": "Method", "description": "Measurement method.", "questions": [ { "text": "How was the volume measured?", "kind": "provenance" }, { "text": "How accurate is it?", "kind": "measurement" } ] } ] }, { "id": "calibration", "name": "Calibration", "description": "Instruments.", "findings": [ { "id": "calibration-finding", "name": "Calibration", "description": "Instrument calibration.", "questions": [ { "text": "Is the measuring instrument calibrated?", "kind": "provenance" }, { "text": "For trade use?", "kind": "boundary" } ] } ] } ] }, { "id": "domains", "name": "Domains", "description": "Special volumes.", "rationale": "Domains define volumes specially.", "layers": [ { "id": "medical", "name": "Medical", "description": "Clinical volumes.", "findings": [ { "id": "medical-finding", "name": "Medical", "description": "Clinical volumes.", "questions": [ { "text": "Which clinical volume is meant, and what is its normal range?", "kind": "provenance" }, { "text": "Who should interpret it?", "kind": "action" } ] } ] }, { "id": "trade", "name": "Trade", "description": "Commercial volumes.", "findings": [ { "id": "trade-finding", "name": "Trade", "description": "Trade volumes.", "questions": [ { "text": "Which trade unit is used?", "kind": "definition" }, { "text": "What tolerance applies?", "kind": "boundary" } ] } ] } ] }, { "id": "safety", "name": "Safety", "description": "Dosing and overfill.", "rationale": "Volume errors can harm.", "layers": [ { "id": "dosing", "name": "Dosing", "description": "Medicine.", "findings": [ { "id": "dosing-finding", "name": "Dosing", "description": "Dose volumes.", "questions": [ { "text": "Is the dose volume measured with a proper device?", "kind": "boundary" }, { "text": "Is the unit mL, not a spoon?", "kind": "boundary" } ] } ] }, { "id": "capacity", "name": "Capacity", "description": "Overfill.", "findings": [ { "id": "capacity-finding", "name": "Capacity", "description": "Container capacity.", "questions": [ { "text": "Does the volume exceed the container capacity?", "kind": "boundary" }, { "text": "What happens if it does?", "kind": "boundary" } ] } ] } ] } ] }, "openQuestions": [ "Should medical volumes be separate entries?", "How should reference conditions be recorded?", "The registry entry has merged aliases such as stevedoring; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "unit, quantity or measure", "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 volume, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent handle volume with unit, method, conditions and domain definitions, and avoid confusing volume with capacity or mass.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: stroke volume, stevedoring, LNG ship to ship transfer, functional residual capacity, dead space, mean corpuscular volume, mean platelet volume, tonnage, volume (thermodynamics), reference volume, clearance volume, molecular volume.", "27 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 126 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a volume, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "physicalCharacter": [ "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": [ "Nothing to see: a unit is a convention. What is seen is an instrument reading in it." ], "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": [ "stroke volume", "stevedoring", "LNG ship to ship transfer", "functional residual capacity", "dead space", "mean corpuscular volume", "mean platelet volume", "tonnage", "volume (thermodynamics)", "reference volume", "clearance volume", "molecular volume" ] } ], "standing": "Described in 126 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 27 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 volume from another, and a volume 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 volume, 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 volume, 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 volume 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 volume, 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 volume, 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 volume 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 volume 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 volume, 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 volume, 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 volume 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 volume from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a volume, 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 volume, 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 volume 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 volume 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 volume between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a volume, 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 volume, 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 volume 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 volume, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a volume 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 volume, 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 volume, 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 volume is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definition-and-realisation", "name": "Definition, dimension and realisation", "description": "What volume is defined as and how it is realised in practice.", "rationale": "A unit is not the quantity it measures, and its definition has a history that older data still depends on.", "layers": [ { "id": "definition", "name": "Definition and dimension", "description": "The defining relation and the quantity it measures.", "findings": [ { "id": "definition-record", "name": "Definition, body and date", "description": "What defines it now, and what defined it before.", "questions": [ { "id": "definition-record-q01", "text": "How is volume defined, by which body, and since when?", "kind": "definition" }, { "id": "definition-record-q02", "text": "What was the previous definition, and what data still depends on it?", "kind": "provenance" } ] } ] }, { "id": "conversion", "name": "Conversion and compatibility", "description": "Relations to other units, exact or approximate.", "findings": [ { "id": "conversion-record", "name": "Conversions and their exactness", "description": "Factors, and whether each is exact by definition.", "questions": [ { "id": "conversion-record-q01", "text": "What conversions relate volume to other units, and which are exact by definition?", "kind": "measurement" }, { "id": "conversion-record-q02", "text": "Where does rounding a conversion change a decision, and how should that be recorded?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a volume 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 volume and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a volume, 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 volume, 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 volume 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 volume is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a volume, 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 volume, 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 volume is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 4, "layers": 8, "findings": 10, "questions": 28 } } } }