{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.measurement","code":"thing-q12453","url":"https://ver.cy/models/thing/q12453/","name":"measurement","alternateNames":["wow and flutter measurement","hardness test","chain wear gauge","meridian line","hypsometric tints","rating system","academic grading system","video game difficulty","character difficulty","flame spread","medical scale","Jefferson Scale of Physician Empathy"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Activities and processes","entryKind":"thing","plane":"ACT","domain":["ACT.ACT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The process of determining the magnitude of a quantity by comparison with a standard, using instruments and methods, with a result expressed as a value, unit and uncertainty.","purpose":"Let an agent treat measurements as results with value, unit, method, uncertainty and traceability, and never report a number without its unit and source.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Compares with a standard","Has uncertainty","Traceability links to SI units","Rating systems are assessments, not physical measurements"],"structure":{"bundles":[{"id":"result","name":"Result","description":"Value and unit.","layers":[{"id":"value","name":"Value","description":"Number and unit.","findings":[{"id":"value-finding","name":"Value","description":"Result.","questions":[{"text":"What is the measured value and unit?","kind":"measurement"},{"text":"What is the uncertainty?","kind":"measurement"}]}]},{"id":"measurand","name":"Measurand","description":"What was measured.","findings":[{"id":"measurand-finding","name":"Measurand","description":"The quantity.","questions":[{"text":"What exactly was measured?","kind":"definition"},{"text":"Under which conditions?","kind":"definition"}]}]}]},{"id":"method","name":"Method","description":"How it was measured.","layers":[{"id":"instrument","name":"Instrument","description":"Tool.","findings":[{"id":"instrument-finding","name":"Instrument","description":"Instrument and calibration.","questions":[{"text":"Which instrument was used, and is it calibrated?","kind":"provenance"},{"text":"When was it last calibrated?","kind":"provenance"}]}]},{"id":"procedure","name":"Procedure","description":"Standard method.","findings":[{"id":"procedure-finding","name":"Procedure","description":"Method standard.","questions":[{"text":"Which standard procedure was followed?","kind":"provenance"},{"text":"Were there deviations?","kind":"boundary"}]}]}]},{"id":"quality","name":"Quality","description":"Traceability and competence.","layers":[{"id":"traceability","name":"Traceability","description":"To SI.","findings":[{"id":"traceability-finding","name":"Traceability","description":"Traceability chain.","questions":[{"text":"Is the result traceable to SI units?","kind":"provenance"},{"text":"Through which laboratory?","kind":"provenance"}]}]},{"id":"competence","name":"Competence","description":"Accreditation.","findings":[{"id":"competence-finding","name":"Accreditation","description":"Lab accreditation.","questions":[{"text":"Is the laboratory accredited?","kind":"provenance"},{"text":"For this measurement?","kind":"boundary"}]}]}]},{"id":"use","name":"Use","description":"Decisions based on results.","layers":[{"id":"decision","name":"Decision","description":"Conformity.","findings":[{"id":"decision-finding","name":"Conformity","description":"Conformity decision.","questions":[{"text":"Does the result show conformity with the requirement?","kind":"boundary"},{"text":"How is uncertainty taken into account?","kind":"definition"}]}]},{"id":"reporting","name":"Reporting","description":"Communication.","findings":[{"id":"reporting-finding","name":"Reporting","description":"How to report.","questions":[{"text":"How should the result be reported?","kind":"action"},{"text":"What caveats apply?","kind":"boundary"}]}]}]}]},"agentConduct":{"may":["Take measurements with calibrated instruments and report value, unit and uncertainty.","Check that an instrument is within its calibration date before use."],"mustNot":["Report a measurement without its unit or with false precision.","Adjust or select results to reach a desired value.","Use an instrument known to be out of calibration for results others will rely on.","Present an estimate as a measurement."],"requiresHuman":["Discarding measurements as outliers in safety, medical or legal contexts."]},"ethics":{"considerations":["Trade, safety and justice depend on honest measurement.","Biased measurement can disadvantage the people measured."],"affectedParties":["People who rely on the results","Buyers and sellers","People measured"]},"owners":{"steward":"The laboratory or person making the measurement; metrology institutes keep the reference standards.","roles":[],"masterSystems":[]},"relations":[{"target":"Q52948","type":"parent","note":"registry parent class"},{"target":"Q791801","type":"parent","note":"registry parent class"},{"target":"quantity value","type":"related","note":"result"},{"target":"instrument","type":"related","note":"tools"},{"target":"metrology","type":"related","note":"science"},{"target":"estimation","type":"related","note":"less rigorous"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.measurement","Wikidata: Q12453 (https://www.wikidata.org/wiki/Q12453)","calibration certificate number: lab-specific traceability"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Values with units and uncertainty","Calibration certificates","Tests such as hardness tests and gauges","Instruments, readings, certificates and data tables."]},"capabilities":{"applicability":"required","items":["measure, with calibrated instruments","estimate uncertainty","calibrate instruments against standards","report results with units and uncertainty"]},"hazards":{"applicability":"required","items":["Missing units or uncertainty","Uncalibrated instruments","Measurement bias"]},"interfaces":{"applicability":"required","items":["SI Brochure","ISO/IEC Guide 98-3 (GUM)","ISO/IEC 17025 for laboratories","Legal metrology law for trade"]},"context":{"applicability":"required","items":["Knowing quantities reliably for science, trade, health and engineering.","physical measurements","chemical and biological analyses","tests such as hardness tests","surveys and ratings (in a looser sense)"]}},"sources":[{"title":"Wikidata item Q12453: measurement","url":"https://www.wikidata.org/wiki/Q12453","note":"identity and sense of the item"},{"title":"Wikipedia: Measurement","url":"https://en.wikipedia.org/wiki/Measurement","note":"general description of the item"}],"openQuestions":["Should measurement kinds be separate entries?","How should uncertainty be recorded consistently?","How should ratings be separated from physical measurements?"],"resources":{"spec":"/models/things/publications/thing-q12453/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q12453/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T05:48:14Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:53+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane ACT: no invented physical properties."},"score":1.0}}