{ "model": { "rank": 6149, "code": "thing-q184846", "model_id": "vr.tr.hydrometer", "name": "hydrometer", "purpose": "Enable an AI agent to recognise a hydrometer, assess its fitness for a particular liquid-density measurement, interpret its indication and decide whether it may be used, cleaned, checked or withdrawn.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q184846/", "tier": 2, "score": 62, "payload": { "layer": "wikidata", "aliases": [ "saccharimeter", "salmômetro", "hydrostatic bubbles", "alcoholometer", "Tralles hydrometer" ], "aliasCount": 5, "merged": 5, "knownIn": 62, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.hydrometer", "source": { "dataset": "wikidata", "item": "Q184846", "url": "https://www.wikidata.org/wiki/Q184846", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T11:46:59Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.00467704, "turns": 1, "seconds": 66.1, "error": null }, "codex": { "seconds": 79.8, "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: 01a07bb0-3507-76d0-b670-5a1093bb6bea\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: hydrometer\nRegistry id: vr.tr.hydrometer\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA V" } } }, "metaModel": { "id": "THING-Q184846", "registryId": "vr.tr.hydrometer", "name": "hydrometer", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q184846/", "model": { "registry_id": "vr.tr.hydrometer", "name": "hydrometer", "purpose": "Enable an AI agent to recognise a hydrometer, assess its fitness for a particular liquid-density measurement, interpret its indication and decide whether it may be used, cleaned, checked or withdrawn.", "definition": "A hydrometer is a sealed, typically glass, weighted float that measures the relative density (specific gravity) of a liquid by the depth to which it sinks under gravity, reading that immersion against a calibrated stem scale.", "scope_statement": "This model owns the hydrometer as a liquid-density instrument: its operating principle, float and scale, measurement limits, calibration basis, condition, sample compatibility and requirements for obtaining an interpretable reading.", "in_scope": [ "Identification of the instrument, its operating principle and its intended liquid or application", "Float, ballast, stem and scale features that determine whether it can produce a usable indication", "Density or derived scales, measurement range, resolution and reference conditions", "Calibration evidence, corrections and suitability for a stated measurement task", "Liquid compatibility, free-floating conditions, reading procedure and instrument condition" ], "out_of_scope": [ "The liquid batch's composition, production history and overall quality", "The sample cylinder's own design, condition and lifecycle, except its suitability for this hydrometer", "Independent models of thermometers, refractometers, hygrometers and flow meters", "The production process being monitored, such as fermentation or battery maintenance", "Laboratory-wide quality systems and waste-management procedures beyond requirements affecting this instrument" ], "distinguishing_features": [ "A conventional hydrometer floats in a liquid and indicates density through its equilibrium immersion; a hygrometer indicates humidity.", "A float hydrometer is read from immersion or an associated float indication; a refractometer uses an optical response and requires a different interpretation model.", "Its density indication does not require liquid flow through a meter; a flow meter measures movement of liquid rather than its density.", "A hydrometer may carry a density, relative-density or application-specific scale; a floating thermometer instead indicates temperature, although one instrument may combine both functions.", "A device sold as a digital hydrometer requires an operating-principle check because its indication may come from float orientation or another sensing method rather than a graduated stem." ], "characteristics": [ { "name": "Operating principle", "kind": "category", "unit_or_values": "Graduated buoyant float; electronic buoyant float; other documented principle; unresolved", "why_it_matters": "Determines whether conventional immersion, meniscus and clearance requirements apply." }, { "name": "Instrument identity", "kind": "relation", "unit_or_values": "Manufacturer, model and individual identifier where available", "why_it_matters": "Connects the physical instrument to the correct instructions and calibration evidence." }, { "name": "Indicated quantity and scale", "kind": "category", "unit_or_values": "Density with stated units; relative density with stated convention; named application-specific scale", "why_it_matters": "Prevents treating a derived scale as a direct measurement of composition in an unsuitable liquid." }, { "name": "Usable indication range", "kind": "measurement", "unit_or_values": "Lower and upper limits in the instrument's stated scale", "why_it_matters": "Establishes whether the expected sample value can be read within the instrument's supported range." }, { "name": "Scale interval or display resolution", "kind": "measurement", "unit_or_values": "Smallest marked interval or displayed increment in the stated scale", "why_it_matters": "Constrains reading precision without implying an equivalent measurement accuracy." }, { "name": "Reference conditions", "kind": "category", "unit_or_values": "Declared reference temperature in °C and any relative-density reference convention", "why_it_matters": "Allows the indication to be compared or corrected on the intended basis." }, { "name": "Calibration support", "kind": "relation", "unit_or_values": "Applicable certificate, verification record, correction data and stated uncertainty", "why_it_matters": "Supports a task-specific decision about measurement reliability." }, { "name": "Wetted materials and compatibility", "kind": "category", "unit_or_values": "Documented wetted materials, permitted liquids, exclusions and temperature limits", "why_it_matters": "Determines whether immersion or cleaning could damage the instrument or contaminate the sample." }, { "name": "Physical and reading condition", "kind": "state", "unit_or_values": "Observed integrity, cleanliness, scale legibility, ballast stability and any unresolved defects", "why_it_matters": "Identifies conditions that can make a plausible-looking reading unreliable." }, { "name": "Measurement setup", "kind": "relation", "unit_or_values": "Associated sample, vessel, temperature observation and reading procedure", "why_it_matters": "Makes it possible to distinguish instrument defects from unsuitable measurement conditions." }, { "name": "Fitness for intended use", "kind": "state", "unit_or_values": "Suitable; suitable under stated conditions; unsuitable; not yet established", "why_it_matters": "Expresses an actionable judgment against the required range, uncertainty and compatibility." } ], "affordances": [ "Select the hydrometer for a sample using its scale, range, compatibility and measurement requirements.", "Inspect and prepare the instrument, then establish an appropriate free-floating measurement setup.", "Record an indication together with sample temperature, reading convention and observed interference.", "Apply only documented corrections or conversions supported for the instrument and liquid.", "Check performance against suitable reference evidence and decide whether continued use is justified.", "Clean, store, quarantine or withdraw the hydrometer according to its materials, condition and instructions." ] }, "sources": [ { "id": "src-wiki-hydrometer", "title": "Hydrometer", "url": "https://en.wikipedia.org/wiki/Hydrometer", "what_it_supports": "Definition as a specific-gravity float instrument; constant-mass vs constant-volume types; Twaddell, Baumé, Brix/Balling, API, lactometer and alcoholometer scales; brewing, winemaking, dairy, battery-acid and petroleum uses; temperature correction and meniscus reading practice.", "url_status": "live" }, { "id": "src-nist-hb105-3", "title": "NIST Handbook 105-3: Specifications and Tolerances for Reference Standards and Field Standard Weights and Measures - Specifications and Tolerances for Graduated Neck-Type Volumetric Field Standards", "url": "https://www.nist.gov/pml/owm/nist-handbooks", "what_it_supports": "US weights-and-measures context in which hydrometers appear as field/reference density instruments alongside volumetric standards (consulted via NIST OWM handbook index; handbook numbering should be confirmed against the current OWM list before citing a clause).", "url_status": "live" }, { "id": "src-astm-e100", "title": "ASTM E100 - Standard Specification for ASTM Hydrometers", "url": "https://www.astm.org/e0100-19.html", "what_it_supports": "US specification for glass hydrometers used with ASTM density/gravity methods (petroleum, industrial liquids): construction, scale types (specific gravity, API, Baumé), dimensions and tolerances.", "url_status": "live" }, { "id": "src-oiml-r22", "title": "OIML R 22 - International Alcoholometric Tables (and related OIML alcoholometry recommendations)", "url": "https://www.oiml.org/en/publications/recommendations", "what_it_supports": "International legal-metrology alcoholometry: hydrometer/alcoholometer scales, reference temperatures and ethanol-water tables used in customs and excise.", "url_status": "live" } ], "structure": { "bundles": [ { "id": "instrument-identity-and-principle", "name": "Instrument identity and principle", "description": "Establishes what kind of hydrometer is present and how it produces an indication.", "rationale": "The registry name alone does not establish whether a graduated-float procedure or a different measurement procedure is appropriate.", "layers": [ { "id": "density-sensing-principle", "name": "Density sensing principle", "description": "Identifies the physical mechanism behind the indication.", "findings": [ { "id": "documented-hydrometer-mechanism", "name": "Documented hydrometer mechanism", "description": "Record whether density is indicated by stem immersion, electronic float behaviour or another documented mechanism.", "questions": [ { "text": "What physical response does this instrument use to indicate liquid density?", "kind": "definition", "id": "documented-hydrometer-mechanism-q01" }, { "text": "Does that mechanism place it within this hydrometer model, or does it require a neighbouring density-instrument model?", "kind": "boundary", "id": "documented-hydrometer-mechanism-q02" } ] } ] }, { "id": "instrument-and-application-identity", "name": "Instrument and application identity", "description": "Connects the instrument to its documentation and intended application.", "findings": [ { "id": "identity-and-intended-liquid", "name": "Identity and intended liquid", "description": "Record identifying markings and the liquid classes or applications for which its scale is documented.", "questions": [ { "text": "Which markings or records identify the manufacturer, model and individual instrument?", "kind": "provenance", "id": "identity-and-intended-liquid-q01" }, { "text": "For which liquids or applications does the manufacturer support this instrument and its scale?", "kind": "boundary", "id": "identity-and-intended-liquid-q02" } ] } ] } ] }, { "id": "scale-and-interpretation", "name": "Scale and interpretation", "description": "Captures what the indication means and the limits within which it can be interpreted.", "rationale": "Hydrometers can carry different scales whose numbers are not interchangeable and may depend on liquid-specific assumptions.", "layers": [ { "id": "quantity-range-and-resolution", "name": "Quantity, range and resolution", "description": "Establishes the readable quantity and its supported interval.", "findings": [ { "id": "scale-meaning-and-limits", "name": "Scale meaning and limits", "description": "Record each scale's quantity, units or convention, endpoints and graduation or display increment.", "questions": [ { "text": "Does each scale indicate density, relative density or a derived property, and what units or conventions define it?", "kind": "definition", "id": "scale-meaning-and-limits-q01" }, { "text": "What are the scale endpoints and smallest readable increments, and does the expected sample value lie within them?", "kind": "measurement", "id": "scale-meaning-and-limits-q02" } ] } ] }, { "id": "reference-and-conversion-basis", "name": "Reference and conversion basis", "description": "Makes temperature and liquid-specific interpretation assumptions explicit.", "findings": [ { "id": "supported-reading-interpretation", "name": "Supported reading interpretation", "description": "Record reference conditions and the evidence supporting any temperature correction or conversion to a derived property.", "questions": [ { "text": "What reference temperature and, where applicable, sample and reference-liquid temperature convention define this scale?", "kind": "definition", "id": "supported-reading-interpretation-q01" }, { "text": "Which documented correction or conversion applies to this sample, and what composition or temperature limits constrain its use?", "kind": "boundary", "id": "supported-reading-interpretation-q02" } ] } ] } ] }, { "id": "sample-and-reading-conditions", "name": "Sample and reading conditions", "description": "Records whether the sample and setup allow a representative, interpretable indication.", "rationale": "Vessel contact, bubbles, temperature and reading convention can compromise an otherwise intact hydrometer.", "layers": [ { "id": "free-floating-sample-setup", "name": "Free-floating sample setup", "description": "Establishes suitable immersion, clearance and sample conditions.", "findings": [ { "id": "unobstructed-float-equilibrium", "name": "Unobstructed float equilibrium", "description": "Record whether the hydrometer floats freely and whether bubbles, foam, suspended matter or sample variation interfere with the observation.", "questions": [ { "text": "Can the hydrometer reach a stable floating position without touching the vessel walls or bottom?", "kind": "measurement", "id": "unobstructed-float-equilibrium-q01" }, { "text": "What sample preparation or repositioning is permitted if bubbles, foam, solids or an unrepresentative sample prevent a usable reading?", "kind": "action", "id": "unobstructed-float-equilibrium-q02" } ] } ] }, { "id": "temperature-and-reading-method", "name": "Temperature and reading method", "description": "Captures the conditions and convention used at the moment of observation.", "findings": [ { "id": "interpretable-observation", "name": "Interpretable observation", "description": "Record the raw indication, sample temperature, stability and applicable meniscus or electronic reading procedure.", "questions": [ { "text": "What raw indication and sample temperature were observed, and had the instrument and sample stabilised as required?", "kind": "measurement", "id": "interpretable-observation-q01" }, { "text": "Which documented meniscus or electronic reading convention applies, including any accommodation for an opaque liquid?", "kind": "provenance", "id": "interpretable-observation-q02" } ] } ] } ] }, { "id": "calibration-and-use-fitness", "name": "Calibration and use fitness", "description": "Connects instrument performance evidence to the demands of a specific measurement.", "rationale": "Readable graduations and an intact float do not establish that the instrument meets a task's accuracy requirements.", "layers": [ { "id": "calibration-evidence-and-corrections", "name": "Calibration evidence and corrections", "description": "Identifies applicable checks, calibration results and correction limits.", "findings": [ { "id": "applicable-performance-evidence", "name": "Applicable performance evidence", "description": "Record calibration or verification evidence tied to this instrument, including tested conditions, deviations and stated uncertainty.", "questions": [ { "text": "What calibration or verification record applies to this instrument, and which scale points and conditions were checked?", "kind": "provenance", "id": "applicable-performance-evidence-q01" }, { "text": "What deviations, corrections and uncertainty were established, and over what interval are they supported?", "kind": "measurement", "id": "applicable-performance-evidence-q02" } ] } ] }, { "id": "task-specific-acceptance", "name": "Task-specific acceptance", "description": "Determines whether the instrument and procedure support the intended decision.", "findings": [ { "id": "fitness-decision-and-recheck", "name": "Fitness decision and recheck", "description": "Record the required measurement performance, the resulting use decision and events that require renewed checking.", "questions": [ { "text": "Do the supported range, uncertainty and use conditions meet the measurement requirement for this sample?", "kind": "boundary", "id": "fitness-decision-and-recheck-q01" }, { "text": "What failed check, damage event, unexplained reading or applicable review interval requires rechecking or withdrawal?", "kind": "action", "id": "fitness-decision-and-recheck-q02" } ] } ] } ] }, { "id": "integrity-compatibility-and-care", "name": "Integrity, compatibility and care", "description": "Captures physical defects and material constraints that govern immersion, cleaning and continued use.", "rationale": "Changes to a float's mass, surface or scale position can undermine its indication, while unsuitable liquids or cleaning methods can damage it.", "layers": [ { "id": "float-and-scale-integrity", "name": "Float and scale integrity", "description": "Assesses the parts whose condition supports buoyancy and readable indication.", "findings": [ { "id": "condition-affecting-indication", "name": "Condition affecting indication", "description": "Record observable cracks, leakage, deposits, displaced components, illegible markings or other defects relevant to the instrument's construction.", "questions": [ { "text": "Is there evidence of cracking, liquid ingress, retained deposits, loose ballast or movement of an internal scale?", "kind": "measurement", "id": "condition-affecting-indication-q01" }, { "text": "Which observed defects require quarantine, verification or replacement under the applicable instructions?", "kind": "action", "id": "condition-affecting-indication-q02" } ] } ] }, { "id": "liquid-contact-and-care", "name": "Liquid contact and care", "description": "Establishes permitted sample contact, cleaning and storage for the actual construction.", "findings": [ { "id": "compatible-immersion-and-cleaning", "name": "Compatible immersion and cleaning", "description": "Record wetted materials, supported exposure limits and care procedures that preserve the float and prevent sample carryover.", "questions": [ { "text": "Are the sample and proposed cleaning agents compatible with the documented wetted materials and exposure limits?", "kind": "boundary", "id": "compatible-immersion-and-cleaning-q01" }, { "text": "What cleaning, drying and storage procedure preserves the instrument and limits contamination of its next sample?", "kind": "action", "id": "compatible-immersion-and-cleaning-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": [ "Constant-mass hydrometer (ordinary glass hydrometer with a weighted bulb and graduated stem; the usual laboratory, brewing, and petroleum instrument)", "Constant-volume hydrometer (Nicholson hydrometer: a float of fixed volume loaded until it just submerges, density inferred from added mass)", "Twaddell hydrometer (Tw° scale used for industrial liquids denser than water, especially in the UK and Commonwealth)", "Baumé hydrometer (Bé°; separate scales for liquids heavier and lighter than water, historically used in chemistry, sugar, and acid trades)", "Brix / saccharometer hydrometer (degrees Brix or Balling, calibrated for sucrose solutions in brewing, winemaking, and sugar refining)", "API hydrometer (American Petroleum Institute gravity scale for crude oil and petroleum products)", "Lactometer / milk hydrometer (calibrated for milk specific gravity, used in dairy adulteration checks)", "Alcoholometer / proof hydrometer (Tralles, Gay-Lussac, or Sikes scales for ethanol-water mixtures)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of hydrometer 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": "Q73780", "note": "item 'hydrometer' (measuring instrument)" }, { "scheme": "ISO 80000-4 / quantity", "value_or_pattern": "relative density / specific gravity (dimensionless); mass density ρ in kg·m⁻³", "note": "the measurand, not a product code for the instrument" }, { "scheme": "ASTM hydrometer designation", "value_or_pattern": "ASTM hydrometer numbers (e.g. 1H-10H API, 82H-90H specific gravity) per ASTM E100", "note": "type number encodes scale, range and length" }, { "scheme": "UNSPSC", "value_or_pattern": "41112306 (hydrometers) under laboratory and scientific equipment", "note": "procurement commodity code; confirm against current UNSPSC release" } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of hydrometer 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": [ "ASTM E100 - Standard Specification for ASTM Hydrometers (ASTM International)", "ASTM D287 - Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method) (ASTM International)", "ASTM D1298 - Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method (ASTM International)", "ISO 3675 - Crude petroleum and liquid petroleum products - Laboratory determination of density - Hydrometer method (ISO)", "OIML R 22 - International Alcoholometric Tables (International Organization of Legal Metrology)", "NIST Handbook 133 / NIST OWM hydrometer checking procedures - field inspection of commercial hydrometers in US weights and measures (NIST Office of Weights and Measures)", "EU Measuring Instruments Directive 2014/32/EU (MID) - alcoholmeters and hydrometers for spirit strength where used for legal metrology / excise (European Union; national transposition)" ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of hydrometer 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": [ "Brewing and winemaking: wort or must specific gravity before and after fermentation (original/final gravity) with a brewing hydrometer or saccharometer in a trial jar.", "Petroleum terminals and refineries: API gravity or density of crude and products by glass hydrometer in a cylinder, often with a hydrometer-method temperature correction to 15 °C or 60 °F (ASTM D1298 / ISO 3675).", "Dairy inspection: lactometer reading of milk to screen for watering or skimming.", "Battery maintenance: lead-acid electrolyte specific gravity with a battery hydrometer (often a small float in a syringe barrel).", "Sugar refining and food processing: Brix or Baumé of syrups, brines and acid solutions.", "Customs and excise: alcoholometers for spirit strength (Sikes, Tralles, Gay-Lussac) against legal tables.", "Aquaria and marine work: salinity/specific gravity of seawater with a swing-arm or glass hydrometer.", "Soil and geotechnical labs: soil-particle hydrometer analysis (ASTM D7928 / ISO 17892-4) using a specialized hydrometer in a sedimentation cylinder." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of hydrometer 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": "relative density (specific gravity) of the liquid", "typical_range": "0.60-2.00 for ordinary glass sets (petroleum light fractions ~0.65; water 1.000; battery acid ~1.22-1.28; concentrated acids/brines up to ~1.8-2.0)", "unit": "1 (dimensionless, usually vs water at a stated temperature)" }, { "quantity": "API gravity", "typical_range": "roughly −10° to +70° API across crude and products (light condensates higher)", "unit": "degree API" }, { "quantity": "Brix (sucrose mass fraction equivalent)", "typical_range": "0-30 °Bx typical for wort/must; up to ~80 °Bx for concentrated syrups", "unit": "degree Brix" }, { "quantity": "Baumé", "typical_range": "separate light and heavy scales; heavy liquids commonly 0-70 °Bé", "unit": "degree Baumé" }, { "quantity": "Twaddell", "typical_range": "0-200 °Tw for liquids denser than water (0 °Tw = SG 1.000; 200 °Tw = SG 2.000)", "unit": "degree Twaddell" }, { "quantity": "reference / observation temperature", "typical_range": "typically 15 °C, 20 °C or 60 °F calibration; readings corrected from the actual sample temperature", "unit": "°C or °F" }, { "quantity": "stem scale resolution", "typical_range": "0.0005-0.002 in specific gravity; 0.1-0.5 °API or °Bx depending on length class", "unit": "scale division" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of hydrometer 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": [ "Broken glass stem or bulb: mercury or lead-shot ballast and glass shards; mercury-ballasted antiques are a toxic-spill hazard.", "Temperature error: liquid and hydrometer not at the calibration temperature, or no temperature correction applied - the dominant routine error.", "Meniscus / reading error: reading the wrong edge of the meniscus, or a dirty/wet stem changing displacement.", "Surface contamination or bubbles clinging to the bulb, making the instrument ride high (apparent density too low).", "Calibration drift or an off-spec ballast/scale (especially cheap plastic aquarium hydrometers).", "Using the wrong scale (Baumé heavy vs light; Brix vs SG; API vs SG) and converting with the wrong formula.", "Lead-acid battery hydrometers: acid splash and hydrogen around charging batteries.", "Soil hydrometers: mis-timed sedimentation readings, wrong dispersing agent, or temperature not controlled - biased particle-size distribution, not a physical failure of the float." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of hydrometer 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 petroleum practice: API gravity at 60 °F, ASTM hydrometer numbers, ASTM D287/D1298.", "ISO / much of Europe and international oil trade: density in kg·m⁻³ at 15 °C (ISO 3675), not API, though API is still quoted for crude.", "United Kingdom and historic Commonwealth industry: Twaddell degrees for acids, bleaches and other liquids heavier than water; Sikes hydrometer for spirits (UK excise, now largely superseded by density meters but still referenced).", "France and much of continental Europe: Gay-Lussac alcoholometry (% vol at 20 °C); Baumé still seen in some chemical and food trades.", "Germany / Central Europe: Balling and later Plato scales in brewing rather than Brix/SG alone.", "Soil particle-size hydrometer methods (Bouyoucos / ASTM D7928 vs ISO 17892-4) differ in cylinder, hydrometer type (151H vs 152H), and temperature corrections by jurisdiction." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of hydrometer 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": "pycnometer (specific-gravity bottle)", "difference": "A pycnometer measures density by mass of a known volume; a hydrometer infers density from buoyancy/immersion. Pycnometers are gravimetric and usually more accurate; hydrometers are faster field/lab floats." }, { "name": "digital density meter (oscillating U-tube)", "difference": "U-tube meters measure resonant frequency of a filled tube (e.g. ASTM D4052 / ISO 12185). No floating stem; typically higher precision and smaller sample, used as the modern replacement in many legal-metrology and petroleum labs." }, { "name": "refractometer", "difference": "A refractometer measures refractive index (often reported as Brix). It does not measure density; Brix-from-RI and Brix-from-hydrometer agree only for pure sucrose solutions and diverge with alcohol or salts." }, { "name": "hygrometer", "difference": "A hygrometer measures humidity of air or gas. The names are routinely confused; a hydrometer is for liquid density." }, { "name": "lactometer vs general hydrometer", "difference": "A lactometer is a hydrometer with a short milk-SG scale (often ~1.025-1.035) and sometimes a cream-volume neck; a general SG hydrometer covering 1.000-1.060 can substitute only if the scale resolution is adequate." }, { "name": "salinometer / conductivity salinity meter", "difference": "Electronic salinometers infer salinity from conductivity; a seawater hydrometer infers it from density. They disagree when composition departs from standard seawater (e.g. aquarium additives)." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of hydrometer this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend hydrometer to include electronic floating instruments and non-floating devices marketed under that name, or only conventional buoyant instruments?", "Which existing Vercy world model, if any, already owns this concept and should be linked instead of creating a separate publication?", "Which authoritative sources establish the required reading conventions, reference conditions and correction methods for each hydrometer subtype retained in scope?", "Which application-specific scales require additional liquid-composition assumptions or neighbouring models before their readings can support a decision?", "Which construction-specific defects, compatibility limits and calibration acceptance criteria can be supported by manufacturer documentation and applicable measurement procedures?" ], "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 hydrometer, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise a hydrometer, assess its fitness for a particular liquid-density measurement, interpret its indication and decide whether it may be used, cleaned, checked or withdrawn.", "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: saccharimeter, salmômetro, hydrostatic bubbles, alcoholometer, Tralles hydrometer.", "5 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 62 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 hydrometer, 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": [ "saccharimeter", "salmômetro", "hydrostatic bubbles", "alcoholometer", "Tralles hydrometer" ] } ], "standing": "Described in 62 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 5 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 hydrometer from another, and a hydrometer 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 hydrometer, 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 hydrometer, 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 hydrometer 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 hydrometer, 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 hydrometer, 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 hydrometer 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 hydrometer 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 hydrometer, 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 hydrometer, 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 hydrometer 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 hydrometer from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a hydrometer, 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 hydrometer, 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 hydrometer 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 hydrometer 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 hydrometer, 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 hydrometer, 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 hydrometer 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 hydrometer is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a hydrometer, 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 hydrometer, 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 hydrometer 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 hydrometer is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a hydrometer, 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 hydrometer, 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 hydrometer 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 hydrometer 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 hydrometer is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a hydrometer, 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 hydrometer, 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 hydrometer 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 hydrometer 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 hydrometer, 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 hydrometer, 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 hydrometer 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 hydrometer 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 hydrometer between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a hydrometer, 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 hydrometer, 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 hydrometer 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 hydrometer, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a hydrometer 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 hydrometer, 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 hydrometer, 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 hydrometer 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 hydrometer 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 hydrometer 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 hydrometer, 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 hydrometer 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 hydrometer 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 hydrometer 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 hydrometer 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 hydrometer 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 hydrometer, 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 hydrometer 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 hydrometer and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a hydrometer, 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 hydrometer, 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 hydrometer 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 hydrometer is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a hydrometer, 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 hydrometer, 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 hydrometer 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 } } } }