{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T08:58:18Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 18.1, "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: 01a094d5-b8ed-7821-a4d4-f53aef90cd85\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: cyclopentanepentone\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 043: ", "usd": 0.0, "recall": true }, "codex": { "seconds": 69.7, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a094d5-b8e9-7ee2-a1a6-3109bd04a154\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: cyclopentanepentone\nRegistry id: vr.tr.cyclopentanepentone\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this " } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:55:21+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:29+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q3008556", "registryId": "vr.tr.cyclopentanepentone", "name": "cyclopentanepentone", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q3008556/", "model": { "registry_id": "vr.tr.cyclopentanepentone", "name": "cyclopentanepentone", "purpose": "Enable an AI agent to identify claims about cyclopentanepentone, distinguish the neutral molecular target from related hydrated or charged species, and judge which observations support characterization or handling decisions.", "definition": "Cyclopentanepentone is the proposed cyclic oxocarbon C5O5, whose structure consists of a five-membered carbon ring bearing one carbonyl group at each carbon atom.", "scope_statement": "This model owns the identity, evidential status, condition-dependent state and action constraints of cyclopentanepentone under vr.tr.cyclopentanepentone in PHY / PHY.MAT; it does not assume that a registered molecular structure establishes an isolable bulk substance.", "in_scope": [ "The neutral C5O5 molecular target and its five-membered carbon ring with five carbonyl groups", "Evidence distinguishing a proposed structure, transient detection and isolated material", "Resolution of names and identifiers that may conflate the target with hydrated material", "Composition, analytical observations and environmental conditions of samples attributed to the target", "Supported transformation relationships and limits on property or hazard attribution" ], "out_of_scope": [ "Independent models of decahydroxycyclopentane and other hydrated derivatives", "Croconic acid, croconate ions and their salts as separate substances", "Cyclopentanone and other partially oxygenated five-membered rings", "Complete synthesis procedures and laboratory apparatus", "Commercial formulations and electrochemical devices containing related species" ], "distinguishing_features": [ "Require C5O5 composition for the neutral target; hydrogen-bearing hydrated material does not satisfy that molecular formula.", "Require a five-carbon cycle with one carbonyl at every ring carbon; elemental composition alone does not establish this connectivity.", "Record net charge explicitly: a C5O5 ion cannot establish the presence of neutral cyclopentanepentone by formula alone.", "Treat 'leuconic acid' and 'cyclopentanepentone pentahydrate' as names requiring structural resolution rather than automatic proof of the anhydrous target.", "Separate database recognition from experimental existence: a structure record, calculated minimum, detected intermediate and isolated sample provide different evidence." ], "characteristics": [ { "name": "Target molecular identity", "kind": "category", "unit_or_values": "Neutral C5O5; cyclic five-carbon pentacarbonyl structure", "why_it_matters": "Anchors recognition to the registered molecular target. The formula and structure record are supported by [PubChem CID 12305030](https://pubchem.ncbi.nlm.nih.gov/compound/Cyclopentanepentone)." }, { "name": "Existence and assignment status", "kind": "state", "unit_or_values": "Proposed; calculated; indirectly inferred; directly detected; isolated and characterized; disputed", "why_it_matters": "Prevents a molecular representation or tentative signal from being treated as an available pure substance." }, { "name": "Charge and associated species", "kind": "category", "unit_or_values": "Net charge in elementary-charge units; counterions, adducts and precursor identities", "why_it_matters": "Separates the neutral target from croconate-related ions and instrumental adducts." }, { "name": "Hydration assignment", "kind": "state", "unit_or_values": "Anhydrous target; covalent hydration; lattice water; mixed; unresolved", "why_it_matters": "Distinguishes carbonyl hydration from water merely accompanying the sample." }, { "name": "Attributed target fraction", "kind": "measurement", "unit_or_values": "Mole or mass fraction with method, uncertainty and detection limit", "why_it_matters": "Separates trace attribution from claims that a sample consists predominantly of cyclopentanepentone." }, { "name": "Observation environment", "kind": "measurement", "unit_or_values": "Temperature in K; pressure in Pa; elapsed time in s; solvent or matrix and water content", "why_it_matters": "Makes a detection or persistence claim interpretable under its actual conditions." }, { "name": "Structural evidence", "kind": "relation", "unit_or_values": "Links to spectra, diffraction data, isotope experiments or calculations, with assignment confidence", "why_it_matters": "Allows the agent to distinguish composition evidence from evidence for cyclic pentacarbonyl connectivity." }, { "name": "Property evidence status", "kind": "category", "unit_or_values": "Measured for verified target; calculated; inferred from related species; unavailable", "why_it_matters": "Prevents hydrate thermal events or calculated values from becoming unsupported bulk constants." }, { "name": "Safety and regulatory attribution", "kind": "relation", "unit_or_values": "Identity-matched source, jurisdiction and date; unresolved where unavailable", "why_it_matters": "Keeps hazard classifications and exposure limits tied to the chemical form actually assessed." } ], "affordances": [ "Resolve a named substance record against the neutral C5O5 target and flag ambiguous hydrate mappings.", "Assess whether an analytical result supports composition, connectivity, charge state or only a tentative attribution.", "Compare observations only when chemical form and experimental conditions are compatible.", "Record formation, hydration, redox or decomposition claims with evidence and unresolved alternatives.", "Withhold unsupported property transfer and identify the evidence needed before a handling decision." ], "agent_conduct": { "may": [ "Explain cyclopentanepentone as a proposed oxocarbon and the status of evidence for its existence.", "Distinguish computed predictions from experimental observations." ], "must_not": [ "Present the compound as isolated or characterized without a reliable source.", "Invent properties or uses for it.", "Confuse it with related, well-characterized oxocarbon anions." ], "requires_human": [ "Relying on its predicted properties for an experimental or safety decision." ] }, "ethics": { "considerations": [ "Claims about hypothetical molecules must be honest about uncertainty.", "Errors propagate into reference works and teaching." ], "affected_parties": [ "Students", "Researchers", "Readers of reference works" ] }, "owners": { "steward": "Nobody owns the concept; the scientific community assesses the evidence.", "master_systems": [] }, "failure_modes_and_hazards": [ "Speculative structures reported as established facts." ], "what_it_is_for": [ "Cyclopentanepentone is encountered as a proposed neutral oxocarbon in theoretical chemistry and discussions of carbon oxides.", "Its study concerns molecular structure and stability, with particular attention to distinguishing the proposed molecule from hydrated compounds and charged species." ], "standards_and_regulation": [ "The International Union of Pure and Applied Chemistry's Nomenclature of Organic Chemistry recommendations provide the naming framework for the proposed cyclic carbonyl structure." ], "facets_not_applicable": { "recognition": "The proposed molecular species has no established macroscopic visual identity that distinguishes it from related compounds." } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q3008556: cyclopentanepentone", "url": "https://www.wikidata.org/wiki/Q3008556", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Cyclopentanepentone", "url": "https://en.wikipedia.org/wiki/Cyclopentanepentone", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "neutral-target-identity", "name": "Neutral target identity", "description": "Defines the molecular target and separates it from chemically different records sharing similar names or formulas.", "rationale": "Cyclopentanepentone requires identity checks that distinguish neutral connectivity from hydration and charge.", "layers": [ { "id": "formula-and-connectivity", "name": "Formula and connectivity", "description": "Tests whether an attribution describes the intended cyclic pentacarbonyl.", "findings": [ { "id": "cyclic-pentacarbonyl-assignment", "name": "Cyclic pentacarbonyl assignment", "description": "Record formula, ring connectivity and carbonyl placement separately from experimental confirmation.", "questions": [ { "text": "Does the proposed identity specify neutral C5O5 with all five ring carbons bearing carbonyl groups?", "kind": "definition", "id": "cyclic-pentacarbonyl-assignment-q01" }, { "text": "What evidence distinguishes that connectivity from another species producing the same elemental composition?", "kind": "measurement", "id": "cyclic-pentacarbonyl-assignment-q02" } ] } ] }, { "id": "names-and-neighbours", "name": "Names and neighbours", "description": "Resolves registry and literature terminology without merging distinct chemical forms.", "findings": [ { "id": "identifier-form-matching", "name": "Identifier form matching", "description": "Attach identifiers and historical names only after checking the structure and chemical form they denote.", "questions": [ { "text": "Does each CAS, PubChem or EC record identify the neutral target, a hydrated derivative or an unresolved historical substance?", "kind": "provenance", "id": "identifier-form-matching-q01" }, { "text": "When a source says 'leuconic acid', which structure and sample composition does it actually describe?", "kind": "boundary", "id": "identifier-form-matching-q02" } ] } ] } ] }, { "id": "existence-and-detection", "name": "Existence and detection", "description": "Separates molecular proposals from experimentally supported observations.", "rationale": "An agent must establish what was observed before treating cyclopentanepentone as an isolated material.", "layers": [ { "id": "claim-strength", "name": "Claim strength", "description": "Grades the directness and reproducibility of each existence claim.", "findings": [ { "id": "observation-versus-proposal", "name": "Observation versus proposal", "description": "Record whether a claim rests on computation, indirect chemistry, transient detection or isolated-sample characterization.", "questions": [ { "text": "What original experiment or calculation supports the claim that neutral cyclopentanepentone exists under the stated conditions?", "kind": "provenance", "id": "observation-versus-proposal-q01" }, { "text": "Was the target isolated, observed transiently or inferred from products, and has that assignment been independently reproduced?", "kind": "measurement", "id": "observation-versus-proposal-q02" } ] } ] }, { "id": "analytical-discrimination", "name": "Analytical discrimination", "description": "Tests whether signals discriminate the target from ions, hydrates and products.", "findings": [ { "id": "orthogonal-structure-evidence", "name": "Orthogonal structure evidence", "description": "Assess molecular-mass assignments together with independent evidence for carbonyl functionality and ring structure.", "questions": [ { "text": "Could the assigned signal arise from ion-source chemistry, fragmentation or an adduct rather than the neutral species present before measurement?", "kind": "boundary", "id": "orthogonal-structure-evidence-q01" }, { "text": "Which complementary spectra, isotope shifts or structural measurements support the five-carbonyl ring assignment?", "kind": "measurement", "id": "orthogonal-structure-evidence-q02" } ] } ] } ] }, { "id": "hydration-and-transformations", "name": "Hydration and transformations", "description": "Tracks chemical-form changes that can invalidate attribution to anhydrous neutral C5O5.", "rationale": "Water addition and changes in charge can preserve recognizable naming or a carbon-oxygen framework while changing the substance.", "layers": [ { "id": "water-and-carbonyl-state", "name": "Water and carbonyl state", "description": "Distinguishes unreacted carbonyls, covalent hydration and accompanying water.", "findings": [ { "id": "hydrate-structure-resolution", "name": "Hydrate structure resolution", "description": "Require structural evidence before interpreting a pentahydrate label as anhydrous molecules plus water. Historical infrared research favored hydroxylated structures for material called leuconic acid: [Ito and West, 1963](https://electronicsandbooks.com/edt/manual/Magazine/J/Journal%20of%20the%20American%20Chemical%20Society%20US/1963%20%20%28vol%20085%29/17%20%20%282537-2688%29/2580-2584.pdf).", "questions": [ { "text": "Does water occur as lattice water, covalent geminal hydroxyl groups or an unresolved combination in the attributed material?", "kind": "boundary", "id": "hydrate-structure-resolution-q01" }, { "text": "What carbonyl and hydroxyl evidence establishes the chemical form before and after water removal?", "kind": "measurement", "id": "hydrate-structure-resolution-q02" } ] } ] }, { "id": "redox-and-persistence", "name": "Redox and persistence", "description": "Records transformations without assuming that producing or consuming related species proves a neutral intermediate.", "findings": [ { "id": "transformation-assignment", "name": "Transformation assignment", "description": "Distinguish direct observation of the target from its proposed role in croconate-related chemistry or decomposition.", "questions": [ { "text": "In a proposed croconate-to-cyclopentanepentone transformation, what demonstrates the product's charge, hydration state and connectivity?", "kind": "measurement", "id": "transformation-assignment-q01" }, { "text": "Under which conditions does the assigned target persist, and which products or competing pathways have actually been identified?", "kind": "measurement", "id": "transformation-assignment-q02" } ] } ] } ] }, { "id": "properties-and-action-limits", "name": "Properties and action limits", "description": "Determines which material properties and practical decisions are supported for the verified chemical form.", "rationale": "Properties of a named hydrate or related salt cannot automatically support decisions about neutral cyclopentanepentone.", "layers": [ { "id": "conditioned-property-records", "name": "Conditioned property records", "description": "Attaches each reported constant or thermal event to a verified sample and method.", "findings": [ { "id": "thermal-and-phase-attribution", "name": "Thermal and phase attribution", "description": "Keep melting, boiling, dehydration and decomposition distinct, and label calculations separately from measurements.", "questions": [ { "text": "Does a reported thermal event concern verified neutral C5O5 or a hydrated material undergoing chemical change?", "kind": "boundary", "id": "thermal-and-phase-attribution-q01" }, { "text": "Which phase, temperature, pressure, composition and uncertainty accompany each reported physical property?", "kind": "measurement", "id": "thermal-and-phase-attribution-q02" } ] } ] }, { "id": "handling-evidence", "name": "Handling evidence", "description": "Connects possible actions to chemical-form-specific evidence and unresolved data.", "findings": [ { "id": "identity-matched-action-basis", "name": "Identity-matched action basis", "description": "Assess storage, transfer and characterization decisions using evidence applicable to the identified material; missing classifications remain unknown.", "questions": [ { "text": "Do available hazard classifications, exposure limits or handling records apply to neutral cyclopentanepentone or only to a product sold under a related name?", "kind": "provenance", "id": "identity-matched-action-basis-q01" }, { "text": "What additional identity and stability evidence is needed before storing, transferring or attempting further characterization of the attributed sample?", "kind": "action", "id": "identity-matched-action-basis-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This description is from recall; no sources were consulted.", "Check the experimental status of unhydrated C5O5 first; reports concerning a hydrate do not establish isolation of the unhydrated compound.", "Registry identifiers, physical constants and hazard classifications are omitted because they cannot be assigned confidently to this exact chemical form." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of cyclopentanepentone 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": "Molecular formula", "value_or_pattern": "C5O5", "note": "Formula of the unhydrated molecular structure; it does not establish experimental isolation." }, { "scheme": "Systematic chemical nomenclature", "value_or_pattern": "Cyclopentane-1,2,3,4,5-pentone", "note": "Specifies five carbonyl groups on a five-membered carbon ring." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of cyclopentanepentone 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": "Calculated molar mass", "typical_range": "140.05", "unit": "g/mol" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of cyclopentanepentone 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": "Cyclopentanepentone pentahydrate", "difference": "The hydrated compound has overall composition C5H10O10 and must be distinguished from the unhydrated C5O5 structure." }, { "name": "Croconic acid", "difference": "Croconic acid has formula C5H2O5 and a five-membered ring with three carbonyl groups and two hydroxyl groups, rather than five carbonyl groups." }, { "name": "Cyclopentanone", "difference": "Cyclopentanone has only one carbonyl group and formula C5H8O." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of cyclopentanepentone this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "What is the strongest current primary evidence for neutral cyclopentanepentone, and does it establish transient detection, isolation or bulk preparation?", "Which historical and commercial 'leuconic acid' or 'pentahydrate' records demonstrably represent decahydroxycyclopentane, and are partially hydrated forms resolved?", "Which analytical signatures uniquely establish the neutral cyclic pentacarbonyl rather than charged species or measurement-induced products?", "Are any phase constants, lifetimes or decomposition pathways measured for independently verified neutral C5O5 under documented conditions?", "Which CAS and EC identifiers, hazard classifications and exposure limits are demonstrably applicable to the anhydrous target rather than a hydrated product?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 12, "questions": 20 } }