{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T11:59:37Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 17.1, "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: 01a0957b-a646-7453-8ef7-f403b83d4394\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: pentyl valerate\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 044: 1001", "usd": 0.0, "recall": true }, "codex": { "seconds": 73.9, "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: 01a0957b-a646-73a2-9b76-b5bf93b6a870\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: pentyl valerate\nRegistry id: vr.tr.pentyl-valerate\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:52:57+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:30+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q3374901", "registryId": "vr.tr.pentyl-valerate", "name": "pentyl valerate", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q3374901/", "model": { "registry_id": "vr.tr.pentyl-valerate", "name": "pentyl valerate", "purpose": "Enable an agent to identify pentyl valerate, assess the condition and suitability of a particular sample, and determine which handling or use decisions require further evidence.", "definition": "Pentyl valerate, ordinarily understood as n-pentyl pentanoate, is the carboxylic ester of pentanoic acid and pentan-1-ol, with molecular formula C10H20O2.", "scope_statement": "This model owns the molecular identity intended by vr.tr.pentyl-valerate and the composition, physical state, chemical integrity, and documented use constraints of samples identified as that substance, while keeping unresolved isomer naming explicit.", "in_scope": [ "Interpretation of pentyl valerate as a specific ester, including resolution of straight-chain versus branched naming", "Verified chemical identifiers and evidence linking them to the intended molecular structure", "Sample purity, residual reactants, water content, and degradation products", "Physical properties and phase behavior under stated conditions", "Storage stability, handling hazards, and evidence supporting a proposed use" ], "out_of_scope": [ "Other pentyl or valerate ester isomers as independent substances", "Finished fragrances, flavor formulations, solvents, or other mixtures containing pentyl valerate", "Industrial esterification equipment and manufacturing process design", "Standalone models of pentanol, valeric acid, or analytical instruments", "Jurisdiction-wide chemical regulations beyond their applicability to this substance and a specified use" ], "distinguishing_features": [ "For the straight-chain interpretation, establish an ester linkage joining a pentanoate group to a pentan-1-yl group; the common name alone does not establish branch positions.", "Distinguish pentan-1-yl pentanoate from isopentyl pentanoate and esters of branched five-carbon acids through structure-specific evidence.", "Use C10H20O2 as a consistency check for the straight-chain interpretation, while recognizing that the formula cannot distinguish its constitutional isomers.", "Differentiate the ester from a mixture of pentanol and pentanoic acid through analytical evidence of ester formation and measurement of remaining reactants.", "Distinguish a characterized pentyl valerate sample from a formulated product whose label merely lists pentyl valerate as an ingredient." ], "characteristics": [ { "name": "Resolved ester structure", "kind": "category", "unit_or_values": "Explicit connectivity, including alcohol attachment position and branching; unresolved if unsupported", "why_it_matters": "Prevents properties and safety records for similarly named isomers from being assigned to this entry." }, { "name": "Verified identifier mapping", "kind": "relation", "unit_or_values": "Structure-linked CAS number, PubChem CID, EC number, and source record where available", "why_it_matters": "Makes identity traceable without assuming that every identifier found under a common name refers to the same structure." }, { "name": "Pentyl valerate assay", "kind": "measurement", "unit_or_values": "Mass fraction in %, or chromatographic area % explicitly identified as such; method and uncertainty", "why_it_matters": "Supports sample acceptance and prevents chromatographic peak area from being treated automatically as mass purity." }, { "name": "Residual pentanol and pentanoic acid", "kind": "measurement", "unit_or_values": "Each impurity in mg/kg or mass %, with isomer identity and analytical method", "why_it_matters": "Residual reactants can change sample behavior and may help distinguish incomplete purification from subsequent degradation." }, { "name": "Water content", "kind": "measurement", "unit_or_values": "mg/kg or mass %, with method and sampling date", "why_it_matters": "Helps interpret storage condition and possible ester hydrolysis." }, { "name": "Observed phase and appearance", "kind": "state", "unit_or_values": "Phase, color, clarity, and separate phases at recorded temperature and pressure", "why_it_matters": "Supports detection of contamination or disagreement with verified reference behavior." }, { "name": "Phase-transition measurements", "kind": "measurement", "unit_or_values": "Melting or freezing range in °C; boiling temperature in °C at stated pressure in kPa", "why_it_matters": "Enables meaningful comparison of physical-property reports and informs processing conditions." }, { "name": "Volatility and ignition measurements", "kind": "measurement", "unit_or_values": "Vapor pressure in Pa at stated temperature; flash point in °C with test method", "why_it_matters": "Provides evidence for containment, ventilation, and ignition-control decisions." }, { "name": "Chemical integrity", "kind": "state", "unit_or_values": "Within specification, suspected degradation, confirmed degradation, or unassessed", "why_it_matters": "Separates a nominal identity from evidence that the stored sample still meets its intended requirements." }, { "name": "Applicable hazard and use record", "kind": "relation", "unit_or_values": "Dated classification, safety data sheet, exposure-limit record, and use-specific authorization linked to jurisdiction and grade", "why_it_matters": "Prevents an agent from generalizing a supplier statement or an allowed use across grades and jurisdictions." } ], "affordances": [ "Resolve whether a source or sample actually refers to the ester intended by this registry entry.", "Compare a sample's assay and impurity profile with requirements for a specified application.", "Select identity and condition checks that distinguish isomer substitution, residual reactants, and degradation.", "Assess storage and transfer conditions using verified volatility, compatibility, and stability evidence.", "Identify missing evidence before accepting a proposed fragrance, flavor, laboratory, or industrial use." ], "agent_conduct": { "may": [ "Describe pentyl valerate, its fruity odour and its use in flavours and fragrances.", "Report hazard and handling information from safety data sheets." ], "must_not": [ "Advise using it in food or cosmetics outside permitted levels or uses.", "Advise storing or using it near open flames or ignition sources.", "Present it as a natural extract when it is synthetic, or the reverse." ], "requires_human": [ "Approving its use in a food or consumer product formulation." ] }, "ethics": { "considerations": [ "Flavour labelling must be honest so consumers know what they eat.", "It is a flammable liquid that harms workers if mishandled." ], "affected_parties": [ "Consumers", "Workers handling it" ] }, "owners": { "steward": "The operator who holds and uses it; food and chemical regulators control its uses.", "master_systems": [ "Chemical substance registries" ] }, "visual_identification": [ "A colourless liquid with a strong apple-like smell.", "Identified by its container label and analysis." ], "failure_modes_and_hazards": [ "Flammable liquid and vapour.", "Can irritate the eyes and skin." ], "what_it_is_for": [ "Pentyl valerate is encountered in chemical laboratories and fragrance or flavor formulation as an ester with a fruity odor.", "Its suitability for a particular use depends on verified identity, purity, impurities and the requirements of that application." ], "standards_and_regulation": [ "Regulation (EC) No 1907/2006, issued by the European Parliament and Council, establishes REACH requirements applicable to manufacturing, importing and using this substance in the European Union.", "Regulation (EC) No 1272/2008, issued by the European Parliament and Council, governs classification, labeling and packaging when this substance is placed on the European Union market." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q3374901: pentyl valerate", "url": "https://www.wikidata.org/wiki/Q3374901", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Pentyl pentanoate", "url": "https://en.wikipedia.org/wiki/Pentyl_pentanoate", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "ester-identity", "name": "Ester identity", "description": "Establishes precisely which alcohol-derived and acid-derived groups the registered name denotes.", "rationale": "Pentyl valerate requires structural resolution before identifiers or property records can be safely combined.", "layers": [ { "id": "name-to-connectivity", "name": "Name to connectivity", "description": "Resolves the structural meaning of both parts of the common ester name.", "findings": [ { "id": "pentyl-and-valerate-interpretation", "name": "Pentyl and valerate interpretation", "description": "Record whether evidence establishes pentan-1-yl pentanoate and explicitly track any unresolved branching or attachment position.", "questions": [ { "text": "Does the originating registry evidence identify pentan-1-yl pentanoate, or does it leave the pentyl group structurally unspecified?", "kind": "definition", "id": "pentyl-and-valerate-interpretation-q01" }, { "text": "Which structural evidence excludes isopentyl pentanoate and esters derived from branched five-carbon acids?", "kind": "boundary", "id": "pentyl-and-valerate-interpretation-q02" } ] } ] }, { "id": "identifier-and-sample-linkage", "name": "Identifier and sample linkage", "description": "Connects external records and physical samples to the resolved ester structure.", "findings": [ { "id": "verified-identity-chain", "name": "Verified identity chain", "description": "Maintain evidence connecting registry identity, external identifiers, supplier designation, and sample identity without relying solely on name matching.", "questions": [ { "text": "Which read source records establish CAS, PubChem, and EC identifiers for the resolved structure, and do those records agree?", "kind": "provenance", "id": "verified-identity-chain-q01" }, { "text": "What analytical evidence supports assigning this sample to that structure rather than to a same-formula ester isomer?", "kind": "measurement", "id": "verified-identity-chain-q02" } ] } ] } ] }, { "id": "sample-composition", "name": "Sample composition", "description": "Describes the ester content and the impurities that can materially change a sample's suitability.", "rationale": "A pentyl valerate label does not establish purity, distinguish residual reactants, or make different grades interchangeable.", "layers": [ { "id": "ester-assay-and-isomers", "name": "Ester assay and isomers", "description": "Separates quantified target ester from other ester species and unidentified components.", "findings": [ { "id": "assay-basis", "name": "Assay basis", "description": "Record target-ester concentration with its measurement basis and the method's ability to distinguish relevant isomers.", "questions": [ { "text": "Is the reported pentyl valerate purity a calibrated mass fraction, chromatographic area percentage, or another quantity?", "kind": "measurement", "id": "assay-basis-q01" }, { "text": "Can the assay resolve likely pentyl or pentanoate isomers, and what evidence identifies the assigned target peak?", "kind": "measurement", "id": "assay-basis-q02" } ] } ] }, { "id": "reactants-water-and-grade", "name": "Reactants, water, and grade", "description": "Tracks residual alcohol, acid, water, and other constituents against the intended grade.", "findings": [ { "id": "application-relevant-impurities", "name": "Application-relevant impurities", "description": "Record measured residual pentanol, pentanoic acid, water, solvents, or additives where relevant, without presuming their presence.", "questions": [ { "text": "What concentrations of residual pentanol, pentanoic acid, and water were measured, with what detection limits?", "kind": "measurement", "id": "application-relevant-impurities-q01" }, { "text": "Which documented impurity limits determine acceptance for the proposed use of this batch?", "kind": "action", "id": "application-relevant-impurities-q02" } ] } ] } ] }, { "id": "physical-behavior-and-integrity", "name": "Physical behavior and integrity", "description": "Connects condition-dependent physical properties with evidence that the ester remains chemically intact.", "rationale": "Reference constants are useful only when their identity, conditions, and sample quality are known, and storage can alter sample composition.", "layers": [ { "id": "phase-volatility-and-partitioning", "name": "Phase, volatility, and partitioning", "description": "Records physical behavior needed to interpret observations and plan transfers or formulation.", "findings": [ { "id": "conditioned-property-evidence", "name": "Conditioned property evidence", "description": "Associate phase, transition temperatures, density, vapor pressure, and solubility reports with measurement conditions and the resolved ester identity.", "questions": [ { "text": "Which measured melting or freezing, boiling, density, and vapor-pressure values are available for the resolved structure, and under which conditions?", "kind": "measurement", "id": "conditioned-property-evidence-q01" }, { "text": "What measured water solubility or solvent-miscibility evidence supports the intended separation or formulation conditions?", "kind": "measurement", "id": "conditioned-property-evidence-q02" } ] } ] }, { "id": "hydrolysis-and-storage-history", "name": "Hydrolysis and storage history", "description": "Evaluates whether storage conditions and analytical changes indicate loss of ester integrity.", "findings": [ { "id": "ester-integrity-assessment", "name": "Ester integrity assessment", "description": "Assess possible hydrolysis using exposure history and composition measurements; do not infer degradation from acidity alone.", "questions": [ { "text": "Do changes in ester assay, pentanol, pentanoic acid, and water support hydrolysis, or could the observed composition reflect the original batch?", "kind": "measurement", "id": "ester-integrity-assessment-q01" }, { "text": "What evidence establishes suitable moisture, temperature, container, and retest conditions for this grade of pentyl valerate?", "kind": "action", "id": "ester-integrity-assessment-q02" } ] } ] } ] }, { "id": "handling-and-use-evidence", "name": "Handling and use evidence", "description": "Collects the substance-specific evidence needed for handling and for accepting a proposed application.", "rationale": "Neither ester identity nor a purity claim establishes ignition behavior, exposure controls, or authorization for a particular use.", "layers": [ { "id": "hazards-and-exposure-controls", "name": "Hazards and exposure controls", "description": "Links handling decisions to verified records for the correct ester and sample composition.", "findings": [ { "id": "supported-handling-decisions", "name": "Supported handling decisions", "description": "Record applicable classifications and measured hazard properties while distinguishing missing evidence from evidence of low hazard.", "questions": [ { "text": "Which dated safety records apply to the resolved pentyl valerate structure, and what flash-point method and hazard evidence do they report?", "kind": "provenance", "id": "supported-handling-decisions-q01" }, { "text": "What ventilation, ignition controls, protective equipment, and spill measures follow from those records and the planned quantity and temperature?", "kind": "action", "id": "supported-handling-decisions-q02" }, { "text": "Is a substance-specific occupational exposure limit documented for the relevant jurisdiction, or is its status unresolved?", "kind": "provenance", "id": "supported-handling-decisions-q03" } ] } ] }, { "id": "use-and-grade-eligibility", "name": "Use and grade eligibility", "description": "Distinguishes a proposed function from evidence that the particular substance and grade may serve it.", "findings": [ { "id": "application-acceptance", "name": "Application acceptance", "description": "Evaluate any proposed flavor, fragrance, laboratory, or industrial application against identity, grade, performance, and applicable use requirements.", "questions": [ { "text": "What evidence supports pentyl valerate performing the proposed function at the intended concentration and conditions?", "kind": "action", "id": "application-acceptance-q01" }, { "text": "Which jurisdiction-specific records and grade requirements apply to this exact ester and proposed use?", "kind": "provenance", "id": "application-acceptance-q02" }, { "text": "Which remaining acceptance decisions concern the finished formulation and therefore belong to its model?", "kind": "boundary", "id": "application-acceptance-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 recall only; no sources were consulted.", "Confirm that the registry intends the unbranched ester, since informal amyl terminology can obscure isomer identity.", "Verify CAS, PubChem and EC identifiers, measured physical properties, safety classification, exposure limits and jurisdiction-specific flavor-use permissions before operational use." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of pentyl valerate 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": "IUPAC nomenclature", "value_or_pattern": "pentyl pentanoate", "note": "Assumes an unbranched pentyl group and an unbranched pentanoate group." }, { "scheme": "Molecular formula", "value_or_pattern": "C10H20O2", "note": "Specifies composition but does not distinguish structural isomers." }, { "scheme": "SMILES", "value_or_pattern": "CCCCCOC(=O)CCCC", "note": "Represents the unbranched ester." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of pentyl valerate 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": [ "Used as a fruity odorant in flavor and fragrance formulations." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of pentyl valerate 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": "172.27", "unit": "g/mol" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of pentyl valerate 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": [ "Hydrolysis can cleave the ester into pentan-1-ol and pentanoic acid or pentanoate, depending on conditions.", "Combustibility requires consideration during storage and handling; no flash point or formal flammability category is asserted here." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of pentyl valerate 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": "Isoamyl valerate", "difference": "Has a branched 3-methylbutyl group derived from isoamyl alcohol instead of the straight-chain pentyl group." }, { "name": "Pentyl isovalerate", "difference": "Contains a branched 3-methylbutanoate acid-derived group instead of pentanoate." }, { "name": "Pentyl acetate", "difference": "Is the ester of acetic acid rather than pentanoic acid and therefore has a shorter acid-derived carbon chain." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of pentyl valerate this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the originating registry record unambiguously denote pentan-1-yl pentanoate, and which verified CAS, PubChem, and EC records correspond to it?", "Which primary measurements establish phase-transition temperatures, density, vapor pressure, water solubility, and flash point for the resolved structure?", "Which analytical methods reliably distinguish the target ester from relevant isomers and quantify residual pentanol, pentanoic acid, and water?", "What stability evidence supports storage conditions, retest intervals, and interpretation of possible hydrolysis for available grades?", "Which current hazard classifications, exposure limits, and use-specific permissions apply in the intended jurisdiction, particularly if flavor or fragrance use is proposed?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 14, "questions": 24 } }