{ "model": { "rank": 2672, "code": "thing-q43177", "model_id": "vr.tr.chlorophyll", "name": "chlorophyll", "purpose": "Enable an AI agent to identify chlorophyll in a material, assess its composition and condition, and choose justified measurement, handling or use actions.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q43177/", "tier": 2, "score": 99, "payload": { "layer": "wikidata", "aliases": [ "chlorophyll c", "chlorophyll a", "chlorophyll b", "chlorophyll c2", "bacteriochlorophylls", "chlorophyll C3", "chlorophyll c1", "bacteriochlorophyll c", "chlorophyllide", "chlorophyll d", "P700" ], "aliasCount": 11, "merged": 11, "knownIn": 99, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q43177", "url": "https://www.wikidata.org/wiki/Q43177", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T10:59:38Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.01331168, "turns": 1, "seconds": 362.2, "error": null }, "codex": { "seconds": 354.6, "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: 01a07b7e-1eb5-7de3-b0af-01393af9cdb6\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: chlorophyll\nRegistry id: vr.tr.chlorophyll\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA" } } }, "metaModel": { "id": "THING-Q43177", "registryId": "vr.tr.chlorophyll", "name": "chlorophyll", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q43177/", "model": { "registry_id": "vr.tr.chlorophyll", "name": "chlorophyll", "purpose": "Enable an AI agent to identify chlorophyll in a material, assess its composition and condition, and choose justified measurement, handling or use actions.", "definition": "Chlorophyll is a class of magnesium-chelated cyclic tetrapyrrole pigments (mainly chlorins; chlorophyll c is a porphyrin exception) that absorb visible to far-red light and serve as the primary photoreceptors of oxygenic photosynthesis, typically phytol-esterified and protein-bound in photosystems I and II.", "scope_statement": "This model owns the identity, composition, observable state and handling constraints of chlorophyll under vr.tr.chlorophyll in PHY.MAT, including named pigment forms and mixtures, with explicit links to their biological hosts, sample matrices and transformation products.", "in_scope": [ "Identification of chlorophyll forms and resolution of ambiguous chlorophyll labels", "Composition and quantity of chlorophyll in isolated preparations, extracts and biological samples", "Absorption and fluorescence observations with their measurement conditions", "Chemical integrity, aggregation and association with a surrounding matrix", "Evidence needed to select extraction, storage, analysis or use conditions" ], "out_of_scope": [ "Whole-organism taxonomy, physiology and health", "Chloroplast and photosystem architecture and operation", "Complete photosynthesis and pigment biosynthesis pathways", "Independent models of chlorophyll derivatives, bacteriochlorophylls and other pigments", "Finished food, supplement, cosmetic or pharmaceutical product specifications", "Ecosystem productivity and remote-sensing models that use chlorophyll as an input" ], "distinguishing_features": [ "Compare chromatographic separation and spectral evidence with an identified reference to distinguish chlorophyll from a green material whose pigment is unknown.", "Resolve pigment structure and central-metal identity when distinguishing chlorophyll from pheophytins or metal-substituted derivatives; a product name alone is insufficient.", "Check substituent and esterification evidence against the proposed chlorophyll form when distinguishing it from chlorophyllides; do not assume one side-chain criterion covers every form.", "Use form-specific spectral and structural evidence to distinguish chlorophyll forms from one another and from bacteriochlorophylls.", "Distinguish chemically identified chlorophyll from an operational result such as total chlorophyll, a fluorescence estimate or a commercial extract designation." ], "characteristics": [ { "name": "Pigment identity", "kind": "category", "unit_or_values": "Named chlorophyll form, resolved mixture, unresolved chlorophyll fraction or identity unconfirmed", "why_it_matters": "Determines which reference material, analytical method and interpretation apply." }, { "name": "Identity evidence", "kind": "relation", "unit_or_values": "Links to reference structures, standards, chromatograms, spectra and identification reports", "why_it_matters": "Makes a chlorophyll assignment auditable and distinguishes a label from a verified identity." }, { "name": "Sample matrix and association", "kind": "relation", "unit_or_values": "Host sample, solvent, formulation or pigment-protein complex; association known or unresolved", "why_it_matters": "Provides the context needed to interpret measurements and select preparation conditions." }, { "name": "Chlorophyll content", "kind": "measurement", "unit_or_values": "mol/L, mg/L, mg/g or mass fraction, with named analytes, denominator and uncertainty", "why_it_matters": "Allows comparisons without confusing pigment concentration with tissue content or extract purity." }, { "name": "Pigment composition", "kind": "measurement", "unit_or_values": "Mass or mole fractions and explicitly defined ratios, including unresolved fractions", "why_it_matters": "Distinguishes changes in total content from changes in the pigment mixture." }, { "name": "Absorption spectrum", "kind": "measurement", "unit_or_values": "Absorbance versus wavelength in nm, with solvent or matrix, path length and temperature", "why_it_matters": "Supports identity and quantity assessments when the measurement context is retained." }, { "name": "Fluorescence response", "kind": "measurement", "unit_or_values": "Emission versus wavelength, instrument units or calibrated yield, with excitation and sample conditions", "why_it_matters": "Supports comparisons while keeping fluorescence response distinct from pigment amount and biological function." }, { "name": "Chemical integrity", "kind": "state", "unit_or_values": "Intact within method limits, transformed fraction detected, mixed or unresolved", "why_it_matters": "Determines whether the preparation still meets the identity and quality requirements of its intended use." }, { "name": "Dispersion and aggregation", "kind": "state", "unit_or_values": "Dissolved, associated, aggregated, precipitated or unresolved, with supporting observations", "why_it_matters": "Helps explain optical changes and whether a sampled aliquot represents the preparation." }, { "name": "Exposure history", "kind": "relation", "unit_or_values": "Time-linked records of light, temperature, oxygen exposure, solvent and acidity where meaningful", "why_it_matters": "Supports interpretation of changes and decisions about continued storage or remeasurement." } ], "affordances": [ "Assign or revise a chlorophyll identity using reference-backed analytical evidence.", "Select an extraction and separation procedure appropriate to the target pigment forms and matrix.", "Quantify specified chlorophyll forms or a declared total using a validated method.", "Compare spectra and composition over time to investigate transformation or loss.", "Select storage and handling conditions supported for the preparation and intended use.", "Accept, reanalyse, reclassify or reject a preparation against explicit identity and quality criteria." ] }, "sources": [ { "id": "iupac-tetrapyrroles-1986", "title": "Nomenclature of tetrapyrroles (Recommendations 1986)", "url": "", "what_it_supports": "Specialist definition of chlorophylls as Mg tetrapyrroles, trivial names (a, a', b, c, d), and distinction from bacteriochlorophylls, pheophytins and chlorophyllides (IUPAC-IUB Joint Commission on Biochemical Nomenclature; Pure Appl. Chem. 1987 / Eur. J. Biochem. 1988)." }, { "id": "scheer-2006-overview", "title": "An Overview of Chlorophylls and Bacteriochlorophylls: Biochemistry, Biophysics, Functions and Applications", "url": "", "what_it_supports": "Kinds in use (a, b, c, d, f, divinyl forms), spectroscopic ranges, biosynthetic neighbours, and functional placement in photosystems (Hugo Scheer, in Grimm et al., Springer, 2006)." }, { "id": "unesco-pigments-1997", "title": "Phytoplankton Pigments in Oceanography: Guidelines to Modern Methods", "url": "", "what_it_supports": "Oceanographic practice: chlorophyll a as biomass proxy, HPLC separation from pheophytins and chlorophyll c, extraction artefacts, and typical seawater concentration ranges (Jeffrey, Mantoura and Wright, UNESCO, 1997)." }, { "id": "iso-10260-1992", "title": "ISO 10260:1992 Water quality - Measurement of biochemical parameters - Spectrometric determination of the chlorophyll-a concentration", "url": "", "what_it_supports": "Standard spectrometric method and reporting unit for chlorophyll a in water (International Organization for Standardization)." }, { "id": "epa-method-445", "title": "Method 445.0: In Vitro Determination of Chlorophyll a and Pheophytin a in Marine and Freshwater Algae by Fluorescence", "url": "", "what_it_supports": "Fluorescence assay, acidification test that separates chlorophyll a from pheophytin a, and routine water-quality use (U.S. Environmental Protection Agency)." }, { "id": "eu-231-2012-e140-e141", "title": "Commission Regulation (EU) No 231/2012 laying down specifications for food additives (E140 chlorophylls; E141 copper complexes of chlorophylls)", "url": "", "what_it_supports": "Food-additive identity, purity, and the legal split between native chlorophylls and copper chlorophyllins (European Commission; with authorisation under Regulation (EC) No 1333/2008)." }, { "id": "fda-21cfr-73-125", "title": "21 CFR 73.125 Sodium copper chlorophyllin", "url": "", "what_it_supports": "U.S. colour-additive listing for the water-soluble copper derivative, which is narrower than EU E140/E141 practice (U.S. Food and Drug Administration)." }, { "id": "blankenship-photosynthesis", "title": "Molecular Mechanisms of Photosynthesis", "url": "", "what_it_supports": "Reaction-centre versus antenna roles, Chl a/a' in PSI, absorption of d and f in far-red cyanobacteria, and photodamage when excitation is not quenched (Robert E. Blankenship, Wiley-Blackwell)." } ], "structure": { "bundles": [ { "id": "chlorophyll-identity", "name": "Chlorophyll identity", "description": "Establish what the chlorophyll designation refers to and how that assignment is supported.", "rationale": "An agent cannot choose a suitable assay or action while treating every chlorophyll label as the same chemical material.", "layers": [ { "id": "pigment-form", "name": "Pigment form", "description": "Resolve named pigment forms, mixtures and unidentified fractions.", "findings": [ { "id": "supported-form-assignment", "name": "Supported form assignment", "description": "Record the proposed identity, structural reference and evidence that supports or limits the assignment.", "questions": [ { "text": "Does chlorophyll here denote a named molecular form, a mixture or an operationally measured fraction?", "kind": "definition", "id": "supported-form-assignment-q01" }, { "text": "Which reference material or structural evidence supports the assignment, and which alternatives remain unresolved?", "kind": "provenance", "id": "supported-form-assignment-q02" } ] } ] }, { "id": "derivative-and-label-boundaries", "name": "Derivative and label boundaries", "description": "Separate chemical identity from commercial or analytical naming conventions.", "findings": [ { "id": "label-to-composition-boundary", "name": "Label-to-composition boundary", "description": "Record whether a label denotes identified pigments or an extract specification. The JECFA chlorophylls specification includes magnesium chlorophylls, pheophytins and accompanying extract constituents. [JECFA chlorophylls specification](https://www.fao.org/fileadmin/user_upload/jecfa_additives/docs/Monograph1/Additive-128.pdf)", "questions": [ { "text": "Which constituents satisfy the adopted chlorophyll identity, and which require links to derivative or other-pigment models?", "kind": "boundary", "id": "label-to-composition-boundary-q01" }, { "text": "Is the chlorophyll designation taken from chemical identification, an assay definition or a supplier specification?", "kind": "provenance", "id": "label-to-composition-boundary-q02" } ] } ] } ] }, { "id": "chlorophyll-material-context", "name": "Chlorophyll material context", "description": "Locate the pigment within its source material and current preparation.", "rationale": "A pigment in tissue, a protein complex and a solvent extract requires different sampling and interpretation.", "layers": [ { "id": "source-and-preparation", "name": "Source and preparation", "description": "Connect the current preparation to its biological or supplied origin.", "findings": [ { "id": "preparation-lineage", "name": "Preparation lineage", "description": "Record source, sampling and processing steps that could affect the observed pigment composition.", "questions": [ { "text": "From which organism, tissue, culture or supplied batch was this chlorophyll preparation obtained?", "kind": "provenance", "id": "preparation-lineage-q01" }, { "text": "Which extraction, purification and transfer steps separate the original material from the measured preparation?", "kind": "provenance", "id": "preparation-lineage-q02" } ] } ] }, { "id": "matrix-and-association", "name": "Matrix and association", "description": "Describe the pigment's immediate physical and chemical surroundings.", "findings": [ { "id": "observed-association-state", "name": "Observed association state", "description": "Record solvent or host matrix and evidence for association, aggregation or precipitation.", "questions": [ { "text": "Is the measured chlorophyll in tissue, associated with a complex, dispersed in a formulation or extracted into a specified solvent?", "kind": "definition", "id": "observed-association-state-q01" }, { "text": "What observations distinguish dissolved pigment from aggregation, precipitation or matrix scattering in this preparation?", "kind": "measurement", "id": "observed-association-state-q02" } ] } ] } ] }, { "id": "chlorophyll-analytical-evidence", "name": "Chlorophyll analytical evidence", "description": "Make pigment amounts and optical observations interpretable and comparable.", "rationale": "A reported chlorophyll value needs an analyte definition, measurement basis and method context before an agent can use it.", "layers": [ { "id": "content-and-composition", "name": "Content and composition", "description": "Define what is counted and how quantities or ratios were obtained.", "findings": [ { "id": "traceable-pigment-quantity", "name": "Traceable pigment quantity", "description": "Record analytes, calibration, extraction recovery where established, uncertainty and reporting basis.", "questions": [ { "text": "Which pigment forms are included in the reported content, and is its basis extract volume, wet mass, dry mass or another denominator?", "kind": "measurement", "id": "traceable-pigment-quantity-q01" }, { "text": "What calibration, recovery evidence and interference assessment support this value for the actual matrix?", "kind": "measurement", "id": "traceable-pigment-quantity-q02" } ] } ] }, { "id": "optical-response", "name": "Optical response", "description": "Retain the conditions needed to interpret absorption and fluorescence.", "findings": [ { "id": "conditioned-optical-observation", "name": "Conditioned optical observation", "description": "Record spectra with measurement conditions and the limits of conclusions drawn from them.", "questions": [ { "text": "Under which solvent or matrix, temperature, path length, excitation and instrument settings were these spectra obtained?", "kind": "measurement", "id": "conditioned-optical-observation-q01" }, { "text": "What evidence permits the optical signal to support identity, concentration or functional interpretation in this sample?", "kind": "boundary", "id": "conditioned-optical-observation-q02" } ] } ] } ] }, { "id": "chlorophyll-integrity", "name": "Chlorophyll integrity", "description": "Track whether the pigment retains its assigned composition and usable condition.", "rationale": "An agent must distinguish chemical transformation from physical redistribution and measurement artefacts before acting on a changed signal.", "layers": [ { "id": "transformation-evidence", "name": "Transformation evidence", "description": "Evaluate changes in identified pigment fractions and possible products.", "findings": [ { "id": "integrity-assessment", "name": "Integrity assessment", "description": "Record detected changes, product assignments and unresolved explanations relative to a baseline.", "questions": [ { "text": "Which measured changes support chemical transformation rather than dilution, adsorption, precipitation or instrument drift?", "kind": "measurement", "id": "integrity-assessment-q01" }, { "text": "Which transformation products have been identified, and how much of the original chlorophyll remains within analytical uncertainty?", "kind": "measurement", "id": "integrity-assessment-q02" } ] } ] }, { "id": "exposure-and-stability", "name": "Exposure and stability", "description": "Connect preparation history to evidence about continued suitability.", "findings": [ { "id": "preparation-specific-stability", "name": "Preparation-specific stability", "description": "Record exposure history and stability evidence without assigning a universal chlorophyll shelf life.", "questions": [ { "text": "What light, temperature, oxygen and chemical-environment exposures occurred between preparation and measurement?", "kind": "provenance", "id": "preparation-specific-stability-q01" }, { "text": "Which stability observations justify a storage interval or trigger reanalysis for this pigment mixture and matrix?", "kind": "action", "id": "preparation-specific-stability-q02" } ] } ] } ] }, { "id": "chlorophyll-action-decisions", "name": "Chlorophyll action decisions", "description": "Translate identity, matrix and integrity evidence into preparation and suitability decisions.", "rationale": "Recording chlorophyll is useful only if an agent can determine which next steps the evidence supports.", "layers": [ { "id": "extraction-and-analysis-selection", "name": "Extraction and analysis selection", "description": "Choose procedures compatible with the target pigment forms and the question being asked.", "findings": [ { "id": "fit-for-purpose-procedure", "name": "Fit-for-purpose procedure", "description": "Record why an extraction or assay is appropriate and what it may leave unresolved.", "questions": [ { "text": "Which procedure recovers and distinguishes the target chlorophyll forms in this matrix with demonstrated performance?", "kind": "action", "id": "fit-for-purpose-procedure-q01" }, { "text": "Could the proposed preparation change the pigment identity or association state that the task needs to preserve?", "kind": "boundary", "id": "fit-for-purpose-procedure-q02" } ] } ] }, { "id": "use-and-disposition", "name": "Use and disposition", "description": "Decide whether the preparation satisfies an explicitly stated application.", "findings": [ { "id": "evidence-based-disposition", "name": "Evidence-based disposition", "description": "Connect intended use to identity, content, integrity and matrix criteria, linking broader product requirements to their owning models.", "questions": [ { "text": "What chlorophyll identity, composition, concentration and integrity criteria must this preparation meet for its intended use?", "kind": "action", "id": "evidence-based-disposition-q01" }, { "text": "Does the evidence support acceptance, reanalysis, further purification, reclassification or rejection?", "kind": "action", "id": "evidence-based-disposition-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": [ "chlorophyll a (universal in oxygenic phototrophs)", "chlorophyll b (plants, green algae, some cyanobacteria)", "chlorophyll c (c1, c2, c3; diatoms, dinoflagellates, brown algae and related chromophytes)", "chlorophyll d (some cyanobacteria, notably Acaryochloris)", "chlorophyll f (far-red cyanobacteria)", "divinyl chlorophyll a and b (Prochlorococcus)", "chlorophyll a' (C13² epimer; photosystem I reaction-centre cofactor)", "chlorophyllides (dephytylated forms; biosynthetic and extraction intermediates)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of chlorophyll 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": "Q104931 (chlorophyll as a class); Q104847 (chlorophyll a)", "note": "Class item plus the principal congener; other congeners have separate items." }, { "scheme": "CAS Registry Number", "value_or_pattern": "479-61-8 (chlorophyll a); 519-62-0 (chlorophyll b); 1406-65-1 (chlorophyll, unspecified/commercial mixture)", "note": "Use the congener-specific CAS in analysis; 1406-65-1 is the bulk/extract number." }, { "scheme": "ChEBI", "value_or_pattern": "CHEBI:27891 (chlorophyll); CHEBI:28966 (chlorophyll a)", "note": "ChEBI treats chlorophyll as a role/parent and lists named congeners as children." }, { "scheme": "MeSH", "value_or_pattern": "D002734", "note": "U.S. National Library of Medicine heading Chlorophyll." }, { "scheme": "Codex INS / EU E-number", "value_or_pattern": "INS 140 / E140 (chlorophylls); INS 141 / E141 (copper complexes of chlorophylls / chlorophyllins)", "note": "Food-colour identity, not a chemical synonym for native leaf chlorophyll." }, { "scheme": "IUPAC-IUB tetrapyrrole trivial names", "value_or_pattern": "chlorophyll a, a', b, c1, c2, c3, d, f (and divinyl variants)", "note": "The names used in biochemistry and pigment chromatography." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of chlorophyll 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": [ "IUPAC-IUB Joint Commission on Biochemical Nomenclature, Nomenclature of tetrapyrroles (Recommendations 1986) - IUPAC / IUBMB", "ISO 10260:1992 Water quality - spectrometric determination of chlorophyll-a concentration - International Organization for Standardization", "UNESCO/SCOR phytoplankton-pigment methodology (Jeffrey, Mantoura and Wright, 1997) - UNESCO", "U.S. EPA Method 445.0 (fluorescence) and Method 446.0 (spectrophotometric) for chlorophyll a and pheophytin a in water - U.S. Environmental Protection Agency", "Codex Alimentarius INS 140 and INS 141 with JECFA specifications - FAO/WHO", "EU food additives E140 and E141: Regulation (EC) No 1333/2008 (authorisation) and Commission Regulation (EU) No 231/2012 (purity criteria) - European Commission", "21 CFR 73.125 sodium copper chlorophyllin as a colour additive - U.S. Food and Drug Administration" ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of chlorophyll 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": [ "Leaf and canopy chlorophyll as a nitrogen/status proxy in agronomy (SPAD and related optical meters; remote-sensing vegetation indices).", "Chlorophyll a concentration as the standard biomass/trophic indicator in lakes, reservoirs and the ocean, including satellite ocean-colour products.", "HPLC pigment suites (Chl a, b, c, divinyl Chl a) to assign phytoplankton taxa in oceanography.", "Food colour: spinach/alfalfa extracts (E140) and copper chlorophyllins (E141) in confectionery, beverages and processed foods.", "Consumer \"liquid chlorophyll\" and deodorant/breath products, almost always sodium copper chlorophyllin rather than native chlorophyll.", "Isolation of pigment-protein complexes and reaction centres in photosynthesis research; Chl a' as a PSI marker.", "Industrial extraction from leafy biomass (and, in parts of East Asia, silkworm faeces) for colour and chlorophyllin manufacture." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of chlorophyll 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": "Qy absorption maximum of chlorophyll a in 90% acetone", "typical_range": "662-665", "unit": "nm" }, { "quantity": "Surface-ocean / lake chlorophyll a concentration", "typical_range": "0.02-10 typical; oligotrophic <0.1, blooms often 10-100+", "unit": "mg m^-3" }, { "quantity": "Leaf chlorophyll content (vascular plants)", "typical_range": "0.5-3.5 mg g^-1 fresh mass, or about 200-800 mg m^-2", "unit": "mg g^-1 FW or mg m^-2" }, { "quantity": "Chlorophyll a/b molar ratio in C3 leaves", "typical_range": "about 2.2-2.8 (shade) to 3.2-4.2 (sun)", "unit": "mol mol^-1" }, { "quantity": "Maximum quantum efficiency of PSII (Fv/Fm) in unstressed leaves", "typical_range": "0.75-0.83", "unit": "dimensionless" }, { "quantity": "Handheld chlorophyll meter (SPAD-type) on crop leaves", "typical_range": "about 20-60 in healthy crops, cultivar-dependent", "unit": "SPAD units" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of chlorophyll 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": [ "Acid-catalyzed loss of central Mg to pheophytin (olive discoloration of acid-canned vegetables; also an analytical artefact).", "Chlorophyllase dephytylation and allomerization/epimerization (a → a') during tissue damage, extraction or storage, biasing HPLC and spectrophotometric assays.", "Photo-oxidative bleaching and singlet-oxygen formation when chlorophyll is unbound or photosystems are over-reduced (photodamage, pigment loss).", "Nutrient chlorosis (N, Mg, Fe) lowering content without a change in pigment identity.", "High water-column chlorophyll a marks eutrophication and bloom risk; associated hypoxia or cyanotoxins are from the bloom, not from the pigment itself.", "Native chlorophyll is lipid-soluble and unstable in light/acid; products labelled \"chlorophyll\" are often copper chlorophyllin, which is a different, more stable species." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of chlorophyll 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": [ "EU authorises chlorophylls (E140) and copper chlorophyllins (E141) as food colours more broadly than the U.S., where FDA listing is essentially sodium copper chlorophyllin in limited uses.", "East Asian commercial \"chlorophyll\" drinks and extracts are typically chlorophyllin salts; some Chinese production uses silkworm faeces (can sha) as feedstock.", "Agronomy talks almost only of chlorophyll a+b; cyanobacterial and Japanese seaweed research routinely distinguish chlorophyll d and f.", "Ocean-colour algorithms and extraction solvents (acetone vs methanol vs ethanol) differ by region and water type (open-ocean Case-1 versus coastal/inland Case-2), so reported \"chlorophyll a\" is not fully interchangeable.", "Reported historical \"chlorophyll e\" is not a structurally accepted kind in current pigment lists." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of chlorophyll 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": "bacteriochlorophyll a (and other BChls)", "difference": "Bacteriochlorin with two reduced rings; Qy near 770 nm in solvent versus ~662-665 nm for Chl a; confined to anoxygenic phototrophs." }, { "name": "pheophytin a", "difference": "Central Mg absent; mild acidification converts Chl a to pheophytin a (EPA 445.0 acid test) and HPLC retention/visible spectrum shift (band near 535 nm)." }, { "name": "sodium copper chlorophyllin (E141)", "difference": "Saponified, often Cu-substituted, water-soluble derivative; aqueous solubility and Cu (not Mg) distinguish it from acetone-extractable native chlorophyll." }, { "name": "heme (protoheme IX)", "difference": "Iron porphyrin, not a magnesium chlorin; no intense red Qy of chlorophyll and a different protein context (cytochromes/globins vs photosystems)." }, { "name": "protochlorophyllide / chlorophyllide a", "difference": "Phytol chain absent (and Pchlide is not reduced at C17-C18); NADPH:protochlorophyllide oxidoreductase substrate versus mature Chl a on HPLC." }, { "name": "carotenoids (e.g. β-carotene, fucoxanthin)", "difference": "Accessory hydrocarbons/xanthophylls with no Mg and no chlorophyll-type Qy band; separated by HPLC and by absence of the red absorption used for Chl a assays." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of chlorophyll this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which chlorophyll forms and naming conventions should this registry entry explicitly encompass, given its missing definition and possible neighbouring entries?", "Which existing Vercy models already own chlorophyll, chlorophyllides, pheophytins, chlorophyllins or bacteriochlorophylls, and where should this entry link instead of duplicating ownership?", "Which analytical methods and reference materials adequately distinguish the included pigment forms and their transformation products in each intended matrix?", "What preparation-specific evidence establishes acceptable exposure conditions, storage intervals and integrity thresholds?", "Under what validated conditions may chlorophyll content or fluorescence support a biological interpretation, and which conclusions must remain with host-organism or photosystem models?" ], "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 chlorophyll, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to identify chlorophyll in a material, assess its composition and condition, and choose justified measurement, handling or use actions.", "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: chlorophyll c, chlorophyll a, chlorophyll b, chlorophyll c2, bacteriochlorophylls, chlorophyll C3, chlorophyll c1, bacteriochlorophyll c, chlorophyllide, chlorophyll d, P700.", "11 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 99 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 chlorophyll, 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": [ "chlorophyll c", "chlorophyll a", "chlorophyll b", "chlorophyll c2", "bacteriochlorophylls", "chlorophyll C3", "chlorophyll c1", "bacteriochlorophyll c", "chlorophyllide", "chlorophyll d", "P700" ] } ], "standing": "Described in 99 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 11 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 chlorophyll from another, and a chlorophyll 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 chlorophyll, 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 chlorophyll, 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 chlorophyll 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 chlorophyll, 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 chlorophyll, 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 chlorophyll 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 chlorophyll 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 chlorophyll, 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 chlorophyll, 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 chlorophyll 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 chlorophyll from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a chlorophyll, 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 chlorophyll, 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 chlorophyll 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 chlorophyll 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 chlorophyll, 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 chlorophyll, 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 chlorophyll 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 chlorophyll is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a chlorophyll, 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 chlorophyll, 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 chlorophyll 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 chlorophyll is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a chlorophyll, 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 chlorophyll, 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 chlorophyll 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 chlorophyll 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 chlorophyll is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a chlorophyll, 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 chlorophyll, 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 chlorophyll 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 chlorophyll 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 chlorophyll, 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 chlorophyll, 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 chlorophyll 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 chlorophyll 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 chlorophyll between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a chlorophyll, 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 chlorophyll, 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 chlorophyll 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 chlorophyll, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a chlorophyll 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 chlorophyll, 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 chlorophyll, 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 chlorophyll 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 chlorophyll 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 chlorophyll 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 chlorophyll, 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 chlorophyll 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 chlorophyll 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 chlorophyll 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 chlorophyll 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 chlorophyll 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 chlorophyll, 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 chlorophyll 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 chlorophyll and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a chlorophyll, 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 chlorophyll, 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 chlorophyll 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 chlorophyll is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a chlorophyll, 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 chlorophyll, 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 chlorophyll 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 } } } }