{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T10:38:22Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 25.7, "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: 01a09531-6a93-7471-8e5b-dde6847c666a\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: isotope analysis\nSense to describe: (none recorded)\nDomain code: ACT.ACT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 043: 100", "usd": 0.0, "recall": true }, "codex": { "seconds": 64.0, "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: 01a09531-6a85-7790-9165-deb95c72d63d\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: isotope analysis\nRegistry id: vr.tr.isotope-analysis\nPlane / domain: ACT / ACT.ACT\nRegistry definition: (none recorded)\nNames folded into this entry:" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:45:39+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:31+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q518459", "registryId": "vr.tr.isotope-analysis", "name": "isotope analysis", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "ACT.ACT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q518459/", "model": { "registry_id": "vr.tr.isotope-analysis", "name": "isotope analysis", "purpose": "Enable an agent to recognise an isotope analysis, assess whether its measurements support the intended inference, and determine appropriate next actions.", "definition": "Isotope analysis is the determination of the isotopic composition of a material, usually through isotope abundances or ratios, to characterize the material or infer its origin, age, or history.", "scope_statement": "This model owns isotope analysis as an analytical activity that determines isotopic composition or isotope-specific quantities in a sample, including the connection between sampling, measurement, quality assessment and interpretation.", "in_scope": [ "The analytical question, target isotope system and intended measurand", "Sample identity, representativeness, preparation and isotope-specific alterations", "Measurement methods, calibration, reference scales and corrections", "Isotopic results, uncertainty and fitness for the intended use", "Interpretations supported by the measurements and their unresolved alternatives" ], "out_of_scope": [ "General properties and inventories of isotopes as physical entities", "Design, manufacture and maintenance of analytical instruments", "Isotope production, enrichment and industrial separation", "Complete models of geological dating, biological metabolism or environmental transport", "Clinical diagnosis, forensic attribution or regulatory decisions beyond the analytical evidence" ], "distinguishing_features": [ "The activity distinguishes isotopes of an element or determines an isotope-specific quantity; elemental concentration alone does not establish an isotope analysis.", "A result identifies the isotope or isotope pair and its reporting basis, rather than reporting an unqualified abundance or signal.", "Instrument signals become isotopic results through an explicit measurement procedure, calibration or correction model.", "The activity measures a sample; isotope separation or enrichment without analytical determination belongs to a neighbouring process.", "An age, source attribution or pathway inference is distinguishable from the isotopic measurement used to support it." ], "characteristics": [ { "name": "Target isotope system", "kind": "category", "unit_or_values": "Element and explicitly identified isotopes or isotope pairs", "why_it_matters": "Determines what is being distinguished and which methods and interpretations are relevant." }, { "name": "Analytical objective", "kind": "category", "unit_or_values": "Composition determination, tracer quantification, source comparison, chronological input or other stated objective", "why_it_matters": "Sets the required discrimination, sampling design and quality criteria." }, { "name": "Measurand", "kind": "category", "unit_or_values": "Isotope amount ratio, isotope amount fraction, delta value, isotope-specific concentration, activity or other explicitly defined quantity", "why_it_matters": "Prevents unlike quantities from being treated as interchangeable results." }, { "name": "Sample and analysed fraction", "kind": "relation", "unit_or_values": "Links to sampled material, collection event, aliquot and isolated chemical or physical fraction", "why_it_matters": "Establishes which material the measurement actually represents." }, { "name": "Measurement procedure", "kind": "relation", "unit_or_values": "Procedure specifying preparation, instrument technique, acquisition and data reduction", "why_it_matters": "Makes the transformation from sample to reported result assessable." }, { "name": "Reported isotopic value", "kind": "measurement", "unit_or_values": "Dimensionless ratio or fraction; delta value in per mille with named reference scale; concentration with stated units; activity in Bq or stated normalisation", "why_it_matters": "A number is interpretable only with its isotope identity, quantity definition and reporting basis." }, { "name": "Reference basis", "kind": "relation", "unit_or_values": "Reference materials, assigned values, reference scale and calibration sequence", "why_it_matters": "Supports traceability and comparison between runs or laboratories." }, { "name": "Measurement uncertainty", "kind": "measurement", "unit_or_values": "Absolute or relative uncertainty with method of estimation and coverage stated", "why_it_matters": "Determines whether observed differences support the intended distinction." }, { "name": "Analytical disposition", "kind": "state", "unit_or_values": "Planned, acquired, under review, accepted for stated use, qualified, rejected or reanalysis required", "why_it_matters": "Controls whether results can support interpretation or require additional work." } ], "affordances": [ "Specify an isotope system, measurand and sampling strategy for a stated analytical question.", "Trace a reported result to its sample fraction, measurement procedure and reference basis.", "Identify missing interference, fractionation, blank or drift assessments.", "Compare results after checking isotope definitions, scales, units and uncertainty.", "Qualify an interpretation when mixing, alteration or overlapping source signatures remain unresolved.", "Request targeted remeasurement, additional reference measurements or independent evidence." ], "agent_conduct": { "may": [ "Run or interpret isotope analyses in an accredited laboratory process it is authorized to use.", "Report results with uncertainties, reference standards and methods." ], "must_not": [ "Present isotope results as proof of a person's origin, nationality or ethnicity.", "Report results without uncertainties or calibration details.", "Analyse human remains or cultural objects without permission from those with authority over them.", "Alter or selectively report results to support a desired conclusion." ], "requires_human": [ "Using isotope results as evidence in legal, immigration or food fraud cases.", "Destructive sampling of rare or sacred objects." ] }, "ethics": { "considerations": [ "Isotope results are used in courts and border decisions; overstated certainty can wrong people.", "Human remains and cultural objects deserve respect for the communities they come from." ], "affected_parties": [ "People whose remains or tissues are tested", "Descendant communities", "Parties in legal cases" ] }, "owners": { "steward": "The laboratory that runs the analysis; the owner of each sample controls its use.", "master_systems": [] }, "failure_modes_and_hazards": [ "Contamination or poor calibration can give false origins or ages.", "Overinterpretation of results in forensic and migration contexts." ], "standards_and_regulation": [ "ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories, International Organization for Standardization." ], "what_it_is_for": [ "Isotope analysis is used in geology, archaeology, environmental science and biological research to measure the isotopic composition of samples.", "It can support investigations of material origin, diet, water movement or age when an appropriate interpretive model and reference evidence are available.", "Results depend on the isotope system, sample preparation and measurement uncertainty." ], "facets_not_applicable": { "recognition": "The analytical procedure cannot be identified reliably from visual appearance alone because different isotope methods use different instruments and workflows." } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q518459: isotope analysis", "url": "https://www.wikidata.org/wiki/Q518459", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Isotope analysis", "url": "https://en.wikipedia.org/wiki/Isotope_analysis", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "isotopic-question-and-measurand", "name": "Isotopic question and measurand", "description": "Defines the isotope-specific determination and the distinction it is intended to support.", "rationale": "Isotope analysis needs an explicit quantity and purpose before a method or result can be judged suitable.", "layers": [ { "id": "analytical-purpose", "name": "Analytical purpose", "description": "Connects the proposed measurement to a concrete analytical question.", "findings": [ { "id": "intended-isotopic-distinction", "name": "Intended isotopic distinction", "description": "Record whether the analysis seeks a composition, a tracer signal, a difference between samples or evidence for a downstream inference.", "questions": [ { "text": "What distinction must the isotope analysis resolve, and between which samples or hypotheses?", "kind": "definition", "id": "intended-isotopic-distinction-q01" }, { "text": "What measurement performance would make the result useful for that distinction?", "kind": "measurement", "id": "intended-isotopic-distinction-q02" } ] } ] }, { "id": "quantity-definition", "name": "Quantity definition", "description": "Identifies the isotope system and exact quantity to be reported.", "findings": [ { "id": "isotope-and-reporting-basis", "name": "Isotope and reporting basis", "description": "Record isotope identities, ratio orientation where applicable, quantity definition and required reference basis.", "questions": [ { "text": "Which isotope, isotope pair or set of isotopes defines the measurand?", "kind": "definition", "id": "isotope-and-reporting-basis-q01" }, { "text": "Is the output a ratio, fraction, delta value, concentration or activity, and what units, scale or reference time does it require?", "kind": "measurement", "id": "isotope-and-reporting-basis-q02" } ] } ] } ] }, { "id": "sample-and-isotopic-integrity", "name": "Sample and isotopic integrity", "description": "Tracks the material analysed and possible changes between its original state and measurement.", "rationale": "A precise isotopic measurement can still misrepresent the target if sampling, contamination or preparation changes the analysed material.", "layers": [ { "id": "sample-representation", "name": "Sample representation", "description": "Connects the sampled material and analysed fraction to the target population or process.", "findings": [ { "id": "analysed-fraction-identity", "name": "Analysed fraction identity", "description": "Record collection context, heterogeneity, aliquot selection and the fraction represented by the reported value.", "questions": [ { "text": "Does the result represent bulk material, a compound, a mineral phase, a tissue or another isolated fraction?", "kind": "boundary", "id": "analysed-fraction-identity-q01" }, { "text": "Which collection and subsampling records support treating this fraction as representative of the intended target?", "kind": "provenance", "id": "analysed-fraction-identity-q02" } ] } ] }, { "id": "preparation-effects", "name": "Preparation effects", "description": "Assesses whether handling and preparation preserve or alter the isotope-specific quantity.", "findings": [ { "id": "fractionation-and-contamination-controls", "name": "Fractionation and contamination controls", "description": "Record preparation recovery, blanks and assessments of exchange, contamination or fractionation where relevant to the method.", "questions": [ { "text": "Which preparation steps could selectively lose isotopes, introduce material or permit isotopic exchange?", "kind": "boundary", "id": "fractionation-and-contamination-controls-q01" }, { "text": "What recovery, blank or comparison measurements are needed before accepting the prepared sample?", "kind": "action", "id": "fractionation-and-contamination-controls-q02" } ] } ] } ] }, { "id": "isotope-measurement-and-reference", "name": "Isotope measurement and reference", "description": "Explains how observed signals become isotope-specific values on an identified reference basis.", "rationale": "Method selectivity and calibration determine whether a signal can be interpreted as the intended isotopic quantity.", "layers": [ { "id": "signal-discrimination", "name": "Signal discrimination", "description": "Records the measurement technique and its treatment of competing signals.", "findings": [ { "id": "isotope-specific-signal-assignment", "name": "Isotope-specific signal assignment", "description": "Identify how the method distinguishes target isotope signals and assesses technique-specific interference.", "questions": [ { "text": "How does the chosen mass-spectrometric, spectroscopic or radiometric procedure distinguish the target isotopes?", "kind": "measurement", "id": "isotope-specific-signal-assignment-q01" }, { "text": "Which isobaric, molecular, spectral or background contributions require assessment for this procedure?", "kind": "measurement", "id": "isotope-specific-signal-assignment-q02" } ] } ] }, { "id": "calibration-and-correction", "name": "Calibration and correction", "description": "Documents reference measurements and the transformations applied to sample signals.", "findings": [ { "id": "traceable-data-reduction", "name": "Traceable data reduction", "description": "Record reference materials, assigned values, calibration and applicable corrections with their supporting measurements.", "questions": [ { "text": "Which reference materials and assigned values establish the reported scale or calibration?", "kind": "provenance", "id": "traceable-data-reduction-q01" }, { "text": "Which corrections for instrumental discrimination, drift, blank contribution or decay were applied, and what evidence supports them?", "kind": "measurement", "id": "traceable-data-reduction-q02" } ] } ] } ] }, { "id": "result-quality-and-comparability", "name": "Result quality and comparability", "description": "Assesses uncertainty, quality controls and whether isotopic results can be compared.", "rationale": "Small isotopic differences require evidence that analytical variation and incompatible reporting conventions do not explain them.", "layers": [ { "id": "uncertainty-and-controls", "name": "Uncertainty and controls", "description": "Connects reported uncertainty to replication, reference checks and relevant sources of variation.", "findings": [ { "id": "fitness-of-isotopic-result", "name": "Fitness of isotopic result", "description": "Record what uncertainty includes, which controls passed and the analytical use for which the result is accepted.", "questions": [ { "text": "Does the uncertainty include preparation, calibration and correction effects, or only repeated signal acquisition?", "kind": "measurement", "id": "fitness-of-isotopic-result-q01" }, { "text": "Which failed or missing controls require qualification, rejection or reanalysis for the intended use?", "kind": "action", "id": "fitness-of-isotopic-result-q02" } ] } ] }, { "id": "cross-result-comparison", "name": "Cross-result comparison", "description": "Checks compatibility before interpreting differences across samples, runs or laboratories.", "findings": [ { "id": "compatible-isotopic-comparisons", "name": "Compatible isotopic comparisons", "description": "Record differences in analysed fraction, ratio orientation, reference scale and uncertainty treatment before comparison.", "questions": [ { "text": "Do the results use compatible isotope definitions, material fractions, units and reference scales?", "kind": "boundary", "id": "compatible-isotopic-comparisons-q01" }, { "text": "What conversions or additional measurements are needed to assess whether an observed difference is analytically resolved?", "kind": "action", "id": "compatible-isotopic-comparisons-q02" } ] } ] } ] }, { "id": "isotopic-interpretation-and-next-actions", "name": "Isotopic interpretation and next actions", "description": "Connects accepted measurements to conditional interpretations and discriminating follow-up work.", "rationale": "Isotopic values do not by themselves uniquely establish origins, ages or processes.", "layers": [ { "id": "inference-assumptions", "name": "Inference assumptions", "description": "Separates measured values from assumptions introduced by the interpretation.", "findings": [ { "id": "conditional-isotopic-explanation", "name": "Conditional isotopic explanation", "description": "Record the interpretive model, comparison evidence and assumptions concerning mixing, fractionation, alteration or isotope-system behaviour.", "questions": [ { "text": "Which assumptions connect the measured isotopic quantity to the proposed source, age, pathway or process?", "kind": "definition", "id": "conditional-isotopic-explanation-q01" }, { "text": "Could mixing, overlapping source signatures or post-formation alteration explain the same result?", "kind": "boundary", "id": "conditional-isotopic-explanation-q02" } ] } ] }, { "id": "discriminating-follow-up", "name": "Discriminating follow-up", "description": "Determines what additional evidence would reduce the uncertainty that limits interpretation.", "findings": [ { "id": "next-isotopic-evidence", "name": "Next isotopic evidence", "description": "Choose follow-up work according to whether the unresolved issue concerns analytical performance, sample representation or interpretive ambiguity.", "questions": [ { "text": "Would remeasurement, another sample fraction, an additional isotope system or independent contextual evidence best distinguish the remaining explanations?", "kind": "action", "id": "next-isotopic-evidence-q01" }, { "text": "What conclusion can be supported now, and which conclusion must remain unresolved pending that evidence?", "kind": "boundary", "id": "next-isotopic-evidence-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": [ "No sense is recorded; this treats the term broadly as an analytical activity encompassing stable and radioactive isotope measurements.", "The listed kinds overlap: bulk, compound-specific, and position-specific describe analytical resolution, while other labels describe isotope systems or signatures.", "This is recall without source consultation; method-specific standards, reference materials, precision, and application-specific ranges require verification." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of isotope analysis 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": [ "Bulk stable-isotope ratio analysis", "Compound-specific isotope analysis", "Position-specific isotope analysis", "Clumped-isotope analysis", "Radiogenic-isotope analysis", "Radioisotope analysis" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of isotope analysis this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "scheme": "Nuclide notation", "value_or_pattern": "¹³C or carbon-13; isotope ratios such as ¹³C/¹²C", "note": "Identifies the isotopes measured, rather than the analytical procedure." }, { "scheme": "Isotope delta notation", "value_or_pattern": "δ¹³C, δ¹⁸O, δ²H", "note": "Expresses relative isotope-ratio differences from a stated reference; the reference scale must accompany the result." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of isotope analysis this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "ISO/IEC 17025, issued jointly by ISO and IEC, provides general competence requirements for testing and calibration laboratories; it is not an isotope-specific analytical method.", "The International Atomic Energy Agency supplies isotope reference materials used to calibrate and normalize measurements." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of isotope analysis 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": [ "Tracing water sources, recharge, evaporation, and groundwater movement.", "Reconstructing diet, food webs, and past environmental conditions.", "Investigating food authenticity and geographic provenance.", "Dating geological or archaeological materials using suitable radioactive decay systems.", "Tracing nutrient pathways, metabolism, or contaminant sources." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of isotope analysis 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": "Isotope amount ratio", "typical_range": "Depends on the isotope pair and material; no universal typical range.", "unit": "Dimensionless" }, { "quantity": "Isotope delta value", "typical_range": "May be positive or negative; depends on the isotope system, sample, and reference scale.", "unit": "‰" }, { "quantity": "Isotope amount fraction", "typical_range": "0-1 by definition; natural and enriched materials occupy different ranges.", "unit": "Dimensionless, sometimes expressed as atom %" }, { "quantity": "Radioactivity per unit mass", "typical_range": "Depends on the radionuclide and material.", "unit": "Bq/kg" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of isotope analysis 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": [ "Contamination, sample alteration, or unrepresentative sampling can obscure the original isotopic composition.", "Sample preparation can introduce isotope fractionation or exchange.", "Instrumental mass discrimination, spectral interferences, drift, and memory effects can bias results.", "Incorrect reference-scale normalization or omitted reference information can make results incomparable.", "Source attribution and dating can fail when mixing, alteration, or model assumptions are overlooked; radioactive samples and chemical preparation can also require specific safety controls." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of isotope analysis 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": [ "Geographic isotope baselines vary with geology, climate, hydrology, and food systems, affecting provenance interpretation.", "Rules governing radioactive sample possession, transport, and disposal vary by jurisdiction." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of isotope analysis 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": "Elemental analysis", "difference": "Determines which elements are present and their quantities; isotope analysis distinguishes isotopes within an element." }, { "name": "Mass spectrometry", "difference": "Is an instrumental technique for measuring ions by mass-to-charge ratio; isotope analysis is an analytical objective that can use mass spectrometry or other techniques." }, { "name": "Radiometric dating", "difference": "Uses radioactive decay relationships to estimate age; isotope analysis supplies measurements but need not estimate an age." }, { "name": "Isotope tracing", "difference": "Uses isotopic signatures or introduced labels to follow sources and processes; isotope analysis measures the signatures used in that investigation." }, { "name": "Isotope separation", "difference": "Changes a material's isotopic composition by separating or enriching isotopes; isotope analysis determines that composition." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of isotope analysis this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend isotope analysis to include all isotope-specific activity measurements, or should some be linked to a separate radiometric-assay model?", "Which existing Vercy world model, if any, already owns this analytical activity and should serve as its single publication?", "Which method-specific extensions are needed for stable-isotope ratios, radiogenic isotope systems, enriched tracers and compound-specific analysis?", "Which authoritative procedures and reference-material guidance should establish calibration, uncertainty and acceptance requirements for each supported isotope system?", "Where should ownership pass from this analysis model to specialist models for dating, provenance attribution, tracer kinetics or clinical interpretation?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 19, "questions": 29 } }