{ "model": { "rank": 5278, "code": "thing-q181136", "model_id": "vr.tr.dl-glutamic-acid", "name": "DL-glutamic acid", "purpose": "Enable an agent to identify DL-glutamic acid, assess a particular sample's composition and condition, and determine whether it meets the requirements of a proposed use.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q181136/", "tier": 2, "score": 68, "payload": { "layer": "wikidata", "aliases": [ "L-glutamic acid", "D-glutamic acid", "L-Glutamic acid-15N", "DL-Glutamic acid-2-13C", "(5-¹³C)Glutamic acid", "L-(3-¹³C)Glutamic acid", "L-(5-¹³C)Glutamic acid", "L-(3,3,4,4-³H₄)Glutamic acid", "(5-¹⁴C)Glutamic acid" ], "aliasCount": 9, "merged": 9, "knownIn": 68, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q181136", "url": "https://www.wikidata.org/wiki/Q181136", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T22:02:25Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 20.1, "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: 01a08830-7727-7351-9c36-d78bb024575c\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: DL-glutamic acid\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 100", "usd": 0, "recall": true }, "codex": { "seconds": 73.2, "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: 01a08830-770e-7521-948e-5339a3cdfcd8\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: DL-glutamic acid\nRegistry id: vr.tr.dl-glutamic-acid\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry:" } } }, "metaModel": { "id": "THING-Q181136", "registryId": "vr.tr.dl-glutamic-acid", "name": "DL-glutamic acid", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q181136/", "model": { "registry_id": "vr.tr.dl-glutamic-acid", "name": "DL-glutamic acid", "purpose": "Enable an agent to identify DL-glutamic acid, assess a particular sample's composition and condition, and determine whether it meets the requirements of a proposed use.", "definition": "DL-glutamic acid is the racemic mixture of the D- and L-enantiomers of glutamic acid, an α-amino dicarboxylic acid with molecular formula C5H9NO4.", "scope_statement": "This model owns vr.tr.dl-glutamic-acid in PHY / PHY.MAT: racemic glutamic acid as a substance, including sample stereochemistry, hydration, purity, physical state and use constraints; it extends the broader glutamic-acid concept through explicit D/L composition.", "in_scope": [ "Racemic identity and measured D/L composition", "Free-acid identity, hydration and relationships to dissolved ionic forms", "Sample purity, impurities, grade and analytical evidence", "Physical properties under stated temperature, pH and solvent conditions", "Storage condition, handling requirements and documented suitability for use" ], "out_of_scope": [ "Enantiopure D-glutamic acid and L-glutamic acid as independent substances", "Glutamate salts, including monosodium glutamate, as independent substances", "Glutamine, glutamic-acid derivatives and glutamate-containing polymers", "Products and formulations containing DL-glutamic acid", "Manufacturing processes and complete biochemical pathways", "Clinical effects or food-use authorization inferred from L-glutamic acid" ], "distinguishing_features": [ "The intended composition is an equimolar mixture of D- and L-glutamic acid; acceptance requires a stated analytical tolerance. See [Sigma-Aldrich's racemate description](https://www.sigmaaldrich.com/MS/en/product/sigma/g1126).", "The anhydrous substance has formula C5H9NO4 and is associated with CAS 617-65-2; these identifiers support identity but do not establish a sample's enantiomer ratio. See [NIST's identity record](https://webbook.nist.gov/cgi/cbook.cgi?ID=C617652&Mask=200).", "Its amino-dicarboxylic-acid connectivity distinguishes it from glutamine and chemically modified glutamic-acid derivatives.", "Counterion analysis and formulation records distinguish free-acid material from an isolated glutamate salt; solution pH alone does not establish the supplied substance's identity.", "Hydration must be checked explicitly: a supplier information sheet identifies a DL-glutamic acid monohydrate with formula C5H9NO4·H2O. See [the monohydrate information sheet](https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/416/663/g1126pis.pdf)." ], "characteristics": [ { "name": "Substance identity", "kind": "category", "unit_or_values": "DL-glutamic acid; free acid; identifier mappings qualified by hydration and stereochemical scope", "why_it_matters": "Prevents substitution of an enantiopure material, salt or hydrate under an ambiguous glutamic-acid label." }, { "name": "D/L composition", "kind": "measurement", "unit_or_values": "D and L mole fractions or mol%; method, uncertainty and acceptance tolerance", "why_it_matters": "Establishes whether the sample meets the defining racemic composition." }, { "name": "Glutamic-acid assay", "kind": "measurement", "unit_or_values": "Mass % or amount concentration; as-received, dry or anhydrous basis; analytical method", "why_it_matters": "Supports dosing and quality decisions without confusing chemical purity with enantiomeric composition." }, { "name": "Water content and hydration", "kind": "measurement", "unit_or_values": "Water mass %; mol H2O/mol glutamic acid; bound versus adventitious water where established", "why_it_matters": "Controls the conversion from weighed material to glutamic-acid amount." }, { "name": "Impurity profile", "kind": "measurement", "unit_or_values": "Impurity identity and mass %, mg/kg or method-specific detection limit", "why_it_matters": "Reveals contaminants or degradation products relevant to the intended use." }, { "name": "Physical and solid-state form", "kind": "state", "unit_or_values": "Solid or solution; observed appearance; identified crystalline form or unknown", "why_it_matters": "Supports recognition of changes that can affect dissolution and reproducibility." }, { "name": "Solution condition", "kind": "measurement", "unit_or_values": "pH, concentration in mol/L or g/L, temperature in °C, solvent and ionic composition", "why_it_matters": "Makes solubility and acid-base behavior interpretable." }, { "name": "Thermal behavior", "kind": "measurement", "unit_or_values": "Transition or decomposition temperature in °C with method, heating rate and atmosphere", "why_it_matters": "Prevents an unqualified thermal value from being treated as a usable processing limit." }, { "name": "Lot evidence", "kind": "relation", "unit_or_values": "Supplier, lot, certificate of analysis, test record and applicable safety data sheet", "why_it_matters": "Connects sample decisions to evidence that actually applies to the material." }, { "name": "Use disposition", "kind": "state", "unit_or_values": "Unassessed, accepted for a named use, restricted, quarantined or rejected", "why_it_matters": "Makes suitability an explicit decision against requirements." } ], "affordances": [ "Verify substance identity and racemic composition using complementary chemical and chiral analyses.", "Calculate glutamic-acid amount from sample mass after correcting for assay and hydration.", "Prepare a solution to specified concentration and pH while recording neutralization and resulting ionic composition.", "Compare a lot with requirements for a named analytical, chemical or biochemical use.", "Select documented storage and handling conditions and trigger retesting after relevant excursions.", "Flag proposed substitution for L-glutamic acid or a glutamate salt for application-specific review." ] }, "sources": [], "structure": { "bundles": [ { "id": "racemic-substance-identity", "name": "Racemic substance identity", "description": "Establishes what DL-glutamic acid denotes and whether a sample matches it.", "rationale": "An unqualified glutamic-acid name or nonchiral assay does not establish racemic identity.", "layers": [ { "id": "chemical-identity", "name": "Chemical identity", "description": "Separates glutamic-acid connectivity from naming and identifier ambiguity.", "findings": [ { "id": "identity-evidence", "name": "Identity evidence", "description": "Record structural identity and identifiers with explicit free-acid and hydration scope.", "questions": [ { "text": "What evidence identifies the material as glutamic acid rather than glutamine, a derivative or a glutamate salt?", "kind": "definition", "id": "identity-evidence-q01" }, { "text": "Do the supplier label and authoritative identifier records refer to the same stereochemical and hydration form?", "kind": "provenance", "id": "identity-evidence-q02" } ] } ] }, { "id": "enantiomer-composition", "name": "Enantiomer composition", "description": "Makes the D/L ratio independently assessable.", "findings": [ { "id": "racemate-verification", "name": "Racemate verification", "description": "Record measured enantiomer fractions and the tolerance used to accept a nominal racemate.", "questions": [ { "text": "What D/L ratio was measured, by which chiral method and with what uncertainty?", "kind": "measurement", "id": "racemate-verification-q01" }, { "text": "What departure from equimolar composition is acceptable for the intended use?", "kind": "boundary", "id": "racemate-verification-q02" }, { "text": "If optical rotation is reported, what independent evidence excludes an incorrect substance or insufficient assay sensitivity?", "kind": "measurement", "id": "racemate-verification-q03" } ] } ] } ] }, { "id": "sample-composition-and-grade", "name": "Sample composition and grade", "description": "Connects chemical amount and sample quality to measured composition.", "rationale": "Hydration, chemical purity and stereochemical composition are separate requirements.", "layers": [ { "id": "assay-and-water", "name": "Assay and water", "description": "Defines the basis for converting a weighed sample into glutamic-acid amount.", "findings": [ { "id": "amount-basis", "name": "Amount basis", "description": "Record assay basis, water content and evidence for any assigned hydrate.", "questions": [ { "text": "Is the assay reported as received, on a dry basis or on an anhydrous basis?", "kind": "measurement", "id": "amount-basis-q01" }, { "text": "Does measured water represent a defined hydrate, adventitious moisture or an unresolved combination?", "kind": "measurement", "id": "amount-basis-q02" }, { "text": "What assay and hydration corrections are required for the requested molar amount?", "kind": "action", "id": "amount-basis-q03" } ] } ] }, { "id": "impurities-and-specification", "name": "Impurities and specification", "description": "Evaluates grade through explicit limits and analytical coverage.", "findings": [ { "id": "lot-quality-evidence", "name": "Lot quality evidence", "description": "Connect impurity limits and grade claims to lot-specific measurements.", "questions": [ { "text": "Which related substances, residual reagents, solvents or inorganic contaminants are measured, and what are their limits?", "kind": "measurement", "id": "lot-quality-evidence-q01" }, { "text": "Which certificate and test methods substantiate this lot's claimed grade?", "kind": "provenance", "id": "lot-quality-evidence-q02" }, { "text": "Which application-critical impurities remain outside the analytical coverage?", "kind": "boundary", "id": "lot-quality-evidence-q03" } ] } ] } ] }, { "id": "solid-and-solution-behavior", "name": "Solid and solution behavior", "description": "Describes physical form and behavior under specified preparation conditions.", "rationale": "Solid-state evidence and solution conditions determine whether property values apply to a particular sample.", "layers": [ { "id": "solid-and-thermal-state", "name": "Solid and thermal state", "description": "Tracks solid form and distinguishes thermal events.", "findings": [ { "id": "qualified-physical-properties", "name": "Qualified physical properties", "description": "Record observed form and measured thermal events without assuming equivalence to enantiopure material.", "questions": [ { "text": "What evidence establishes the sample's crystalline form and hydration state?", "kind": "measurement", "id": "qualified-physical-properties-q01" }, { "text": "Does a reported thermal event represent melting, dehydration or decomposition, and under what test conditions?", "kind": "measurement", "id": "qualified-physical-properties-q02" }, { "text": "Were the cited physical properties measured for DL-glutamic acid in the same form?", "kind": "provenance", "id": "qualified-physical-properties-q03" } ] } ] }, { "id": "dissolution-and-speciation", "name": "Dissolution and speciation", "description": "Relates dissolution and acid-base state to solution conditions.", "findings": [ { "id": "solution-preparation-state", "name": "Solution preparation state", "description": "Record solvent, concentration, pH and added acid or base so the prepared material remains interpretable.", "questions": [ { "text": "What solubility is supported at the specified temperature, pH and solvent composition?", "kind": "measurement", "id": "solution-preparation-state-q01" }, { "text": "Which acid-base forms are expected under the recorded conditions, and what evidence supports that assignment?", "kind": "definition", "id": "solution-preparation-state-q02" }, { "text": "Does neutralization create a preparation whose counterions and composition require linkage to a glutamate-salt or formulation model?", "kind": "boundary", "id": "solution-preparation-state-q03" } ] } ] } ] }, { "id": "stability-and-handling", "name": "Stability and handling", "description": "Supports preserving composition and choosing evidence-based handling controls.", "rationale": "A usable lot must retain its relevant chemical, stereochemical and physical specifications.", "layers": [ { "id": "storage-and-retest", "name": "Storage and retest", "description": "Connects storage history to continued sample acceptance.", "findings": [ { "id": "composition-preservation", "name": "Composition preservation", "description": "Record storage requirements and excursions that justify checking water, assay, impurities or D/L ratio.", "questions": [ { "text": "What storage conditions and retest interval are supported for this specific form and grade?", "kind": "provenance", "id": "composition-preservation-q01" }, { "text": "Has the material experienced moisture, temperature or solution-storage conditions outside those limits?", "kind": "measurement", "id": "composition-preservation-q02" }, { "text": "Which measurements are needed before accepting an exposed or aged sample?", "kind": "action", "id": "composition-preservation-q03" } ] } ] }, { "id": "hazard-and-exposure", "name": "Hazard and exposure", "description": "Associates handling decisions with applicable safety evidence.", "findings": [ { "id": "applicable-safety-record", "name": "Applicable safety record", "description": "Record the current safety classification and controls applicable to the supplied material and task.", "questions": [ { "text": "Which dated safety data sheet and jurisdiction support the classification assigned to this material?", "kind": "provenance", "id": "applicable-safety-record-q01" }, { "text": "What controls apply to weighing powder, preparing solutions and collecting waste under that safety record?", "kind": "action", "id": "applicable-safety-record-q02" }, { "text": "Is any cited exposure limit substance-specific or a general particulate limit, and does it apply to this operation?", "kind": "boundary", "id": "applicable-safety-record-q03" } ] } ] } ] }, { "id": "application-fitness", "name": "Application fitness", "description": "Determines whether a characterized racemate is appropriate for a named task.", "rationale": "Suitability cannot be inherited automatically from L-glutamic acid, a glutamate salt or a generic purity claim.", "layers": [ { "id": "stereochemical-use-requirements", "name": "Stereochemical use requirements", "description": "Examines whether an application accepts both enantiomers.", "findings": [ { "id": "racemate-suitability", "name": "Racemate suitability", "description": "Match the requested function to explicit chemical and stereochemical requirements.", "questions": [ { "text": "Does the task require racemic glutamic acid, specifically the L enantiomer or only a defined acid-base contribution?", "kind": "definition", "id": "racemate-suitability-q01" }, { "text": "What evidence establishes whether the D fraction affects the assay, reaction or biological system?", "kind": "provenance", "id": "racemate-suitability-q02" }, { "text": "What validation is required before substituting this material for an enantiopure acid or glutamate salt?", "kind": "action", "id": "racemate-suitability-q03" } ] } ] }, { "id": "acceptance-and-traceability", "name": "Acceptance and traceability", "description": "Makes use decisions reproducible and limited to their supporting evidence.", "findings": [ { "id": "documented-use-decision", "name": "Documented use decision", "description": "Record acceptance against named requirements with lot identity and unresolved limitations.", "questions": [ { "text": "Which requirements for D/L ratio, assay, hydration and impurities must this lot meet?", "kind": "boundary", "id": "documented-use-decision-q01" }, { "text": "Which lot records and applicable use permissions support acceptance for the proposed task?", "kind": "provenance", "id": "documented-use-decision-q02" }, { "text": "Should the lot be accepted, restricted, retested or rejected given the remaining evidence gaps?", "kind": "action", "id": "documented-use-decision-q03" } ] } ] } ] }, { "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": [ "This is recalled knowledge, not researched or source-verified information.", "Verify supplier-specific purity, water content, enantiomer ratio and safety classification before assigning a grade or intended use.", "Check thermal decomposition, solubility conditions and regulatory identifiers specifically for the racemate; do not transfer values from L-glutamic acid without verification." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of DL-glutamic acid 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": "CAS Registry Number", "value_or_pattern": "617-65-2", "note": "Identifies DL-glutamic acid; individual enantiomers and salts have separate identities." }, { "scheme": "IUPAC nomenclature", "value_or_pattern": "2-aminopentanedioic acid", "note": "The name must be qualified as racemic or DL to specify the stereochemical composition." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of DL-glutamic acid 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": [ "Laboratory reagent for chemical synthesis.", "Starting material or test mixture for studying enantiomer separation and chiral analytical methods." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of DL-glutamic acid 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": "Molar mass", "typical_range": "147.13", "unit": "g/mol" }, { "quantity": "D:L molar ratio in the ideal racemate", "typical_range": "1:1", "unit": "mol/mol" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of DL-glutamic acid 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": [ "Substitution for L-glutamic acid can change biological or enzymatic results because biological systems distinguish the enantiomers.", "Uncontrolled pH changes protonation and solubility, potentially causing precipitation or inconsistent experimental results.", "Powder dust may irritate eyes or airways; this is not a statement of formal GHS classification." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of DL-glutamic acid 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": "L-glutamic acid", "difference": "Contains the L-enantiomer rather than an equimolar D/L mixture; it is the form ordinarily incorporated into proteins." }, { "name": "D-glutamic acid", "difference": "Contains the D-enantiomer rather than the racemate." }, { "name": "Glutamate", "difference": "Denotes deprotonated forms of glutamic acid or their salts; the term alone does not establish a racemic composition." }, { "name": "Monosodium glutamate", "difference": "Is a sodium salt, conventionally of L-glutamic acid, rather than racemic glutamic acid." }, { "name": "Glutamine", "difference": "Has a side-chain carboxamide in place of glutamic acid's side-chain carboxyl group." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of DL-glutamic acid this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative CAS, PubChem CID and EC mappings distinguish the anhydrous racemate, monohydrate and stereochemically unspecified glutamic acid, and how should those forms link within this registry entry?", "What validated chiral method and acceptance tolerance should establish racemic composition for each intended grade or use?", "Which measured solubility, acid-base and thermal data specifically apply to the racemate and identified hydration state, and is a boiling-point value physically meaningful before decomposition?", "What stability evidence establishes storage conditions and retest intervals for solid and dissolved DL-glutamic acid?", "Which current hazard classifications, exposure limits and application-specific permissions apply to the exact supplied material in each relevant jurisdiction?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 16, "questions": 35 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "chemical substance or material", "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 DL-glutamic acid, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to identify DL-glutamic acid, assess a particular sample's composition and condition, and determine whether it meets the requirements of a proposed use.", "characteristics": { "substance": "material", "origin": "natural", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured", "consumed or used up" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: L-glutamic acid, D-glutamic acid, L-Glutamic acid-15N, DL-Glutamic acid-2-13C, (5-¹³C)Glutamic acid, L-(3-¹³C)Glutamic acid, L-(5-¹³C)Glutamic acid, L-(3,3,4,4-³H₄)Glutamic acid, (5-¹⁴C)Glutamic acid.", "9 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 68 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 DL-glutamic acid, 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", "use it up, and then need more of it" ], "howItIsRecognised": [ "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay." ], "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": [ "L-glutamic acid", "D-glutamic acid", "L-Glutamic acid-15N", "DL-Glutamic acid-2-13C", "(5-¹³C)Glutamic acid", "L-(3-¹³C)Glutamic acid", "L-(5-¹³C)Glutamic acid", "L-(3,3,4,4-³H₄)Glutamic acid", "(5-¹⁴C)Glutamic acid" ] } ], "standing": "Described in 68 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 9 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 DL-glutamic acid from another, and a DL-glutamic acid 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 DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid 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 DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid 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 DL-glutamic acid 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 DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid 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 DL-glutamic acid from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid 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 DL-glutamic acid 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 DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid 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 DL-glutamic acid is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid 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 DL-glutamic acid is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid 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 DL-glutamic acid 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 DL-glutamic acid is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid 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 DL-glutamic acid 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 DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid 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 DL-glutamic acid 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 DL-glutamic acid between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid 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 DL-glutamic acid, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a DL-glutamic acid 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 DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "use-and-operation", "name": "Use and operation", "description": "What can be done with a DL-glutamic acid and what it takes to do it.", "rationale": "An agent that can recognise a thing but not act on it has only half a model.", "layers": [ { "id": "intended-use", "name": "Intended use and function", "description": "What a DL-glutamic acid is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a DL-glutamic acid performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a DL-glutamic acid, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "function-and-purpose-q02", "text": "Who or what asserted this about the use of a DL-glutamic acid, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "function-and-purpose-q03", "text": "What may an agent decide or do once the use of a DL-glutamic acid is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "handling-and-procedure", "name": "Handling and procedure", "description": "The steps, skills and tools involved in using a DL-glutamic acid.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a DL-glutamic acid at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a DL-glutamic acid, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "procedures-and-skills-q02", "text": "Who or what asserted this about handling a DL-glutamic acid, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "procedures-and-skills-q03", "text": "What may an agent decide or do once handling a DL-glutamic acid is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "supply-and-consumption", "name": "Supply and consumption", "description": "Quantities, rates and what running out means.", "findings": [ { "id": "consumption-and-stock", "name": "Consumption, stock and replenishment", "description": "How much of a DL-glutamic acid there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a DL-glutamic acid, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "consumption-and-stock-q02", "text": "Who or what asserted this about the supply of a DL-glutamic acid, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "consumption-and-stock-q03", "text": "What may an agent decide or do once the supply of a DL-glutamic acid is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "composition-and-identity", "name": "Composition, grade and chemical identity", "description": "What DL-glutamic acid is made of and how pure the thing in hand is.", "rationale": "Grade decides what a substance may be used for, so a model that records only the name cannot support any decision about use.", "layers": [ { "id": "chemical-identity", "name": "Chemical identity", "description": "Formula, structure and the registry numbers that name it unambiguously.", "findings": [ { "id": "identity-record", "name": "Identity and registry numbers", "description": "What identifies this substance across suppliers and regulators.", "questions": [ { "id": "identity-record-q01", "text": "What formula, structure and registry identifiers name DL-glutamic acid unambiguously?", "kind": "definition" }, { "id": "identity-record-q02", "text": "Which related substances share a name in common use but not an identifier?", "kind": "boundary" } ] } ] }, { "id": "grade-and-impurities", "name": "Grade, purity and impurities", "description": "The specification a batch meets and what else is in it.", "findings": [ { "id": "specification", "name": "Specification and assay", "description": "How purity is stated and measured, and which impurities matter.", "questions": [ { "id": "specification-q01", "text": "What grades of DL-glutamic acid exist, how is purity assayed, and which impurities are limited?", "kind": "measurement" }, { "id": "specification-q02", "text": "Which use requires which grade, and what happens when a lower grade is substituted?", "kind": "action" } ] } ] } ] }, { "id": "properties-and-behaviour", "name": "Properties and behaviour", "description": "How DL-glutamic acid behaves under conditions an agent can measure or change.", "rationale": "Physical constants are the part of a substance model that transfers between contexts, and each needs its unit and its conditions.", "layers": [ { "id": "physical-constants", "name": "Physical constants", "description": "Values that hold for the pure substance, with their conditions.", "findings": [ { "id": "constants-record", "name": "Constants and conditions", "description": "The quantities worth recording and the state they apply in.", "questions": [ { "id": "constants-record-q01", "text": "What are the defining physical constants of DL-glutamic acid, in what units and under what conditions?", "kind": "measurement" }, { "id": "constants-record-q02", "text": "Which of these values change with grade or form rather than being fixed?", "kind": "boundary" } ] } ] }, { "id": "stability-and-reactivity", "name": "Stability and reactivity", "description": "What it reacts with, degrades into, and how it is stored.", "findings": [ { "id": "incompatibilities", "name": "Incompatibilities and degradation", "description": "What must not meet it, and what it becomes over time.", "questions": [ { "id": "incompatibilities-q01", "text": "What is DL-glutamic acid incompatible with, and what does it degrade into under storage?", "kind": "definition" }, { "id": "incompatibilities-q02", "text": "What storage and handling does that require, and who is competent to do it?", "kind": "action" } ] } ] } ] }, { "id": "hazard-and-regulation", "name": "Hazard classification and regulation", "description": "How DL-glutamic acid can harm, and what the law says about holding and moving it.", "rationale": "A substance model without its hazard class and its regulatory identity is unusable in exactly the situations that matter.", "layers": [ { "id": "hazard-class", "name": "Hazard classification", "description": "Classified hazards, exposure limits and protective measures.", "findings": [ { "id": "classified-hazards", "name": "Classified hazards and limits", "description": "The classification, the scheme it belongs to, and the limits set.", "questions": [ { "id": "classified-hazards-q01", "text": "How is DL-glutamic acid classified for hazard, under which scheme, and what exposure limits apply?", "kind": "definition" }, { "id": "classified-hazards-q02", "text": "What protection does handling require, and what must an agent refuse to do without it?", "kind": "action" } ] } ] }, { "id": "regulatory-identity", "name": "Regulatory identity and control", "description": "Registration, restriction and transport rules by jurisdiction.", "findings": [ { "id": "controls", "name": "Controls and jurisdiction", "description": "Where it is restricted and what the restriction attaches to.", "questions": [ { "id": "controls-q01", "text": "Which registrations, restrictions or transport rules cover DL-glutamic acid, and where?", "kind": "provenance" }, { "id": "controls-q02", "text": "Does the control attach to the substance, its concentration, or its intended use?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a DL-glutamic acid 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 DL-glutamic acid and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid 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 DL-glutamic acid is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a DL-glutamic acid, 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 DL-glutamic acid, 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 DL-glutamic acid is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 9, "layers": 20, "findings": 22, "questions": 60 } } } }