{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T10:14:24Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 20.3, "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: 01a0951b-6386-7432-9ae9-248c6f0a9ea2\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: heptalene\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: 1001 regis", "usd": 0.0, "recall": true }, "codex": { "seconds": 69.4, "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: 01a0951b-638f-75b2-ace4-0fdee7e34c25\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: heptalene\nRegistry id: vr.tr.heptalene\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCont" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:53:40+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:28+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q2027399", "registryId": "vr.tr.heptalene", "name": "heptalene", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q2027399/", "model": { "registry_id": "vr.tr.heptalene", "name": "heptalene", "purpose": "Enable an agent to identify parent heptalene, assess the identity and condition of a sample, and choose characterization or handling actions supported by evidence.", "definition": "Heptalene is a nonbenzenoid bicyclic hydrocarbon, C12H10, consisting of two fused seven-membered rings with six formal double bonds, whose nonplanar, bond-alternating structure avoids the fully delocalized planar arrangement associated with 12-π-electron antiaromaticity.", "scope_statement": "This model owns vr.tr.heptalene in PHY / PHY.MAT: the neutral, unsubstituted C12H10 hydrocarbon with two fused seven-membered rings, including its molecular state, sample composition, characterization evidence and condition-dependent usability.", "in_scope": [ "Parent heptalene connectivity, composition and verified identifiers", "Molecular geometry, bond localization and conformational behavior", "Sample purity, solvent content and transformation state", "Condition-qualified analytical and physical measurements", "Evidence supporting handling, storage and regulatory classification" ], "out_of_scope": [ "Substituted, heteroatom-containing or further annulated heptalene derivatives as independent substances", "Heptalene radical ions, salts and metal complexes as independent chemical species", "Synthetic procedures, reactors and production processes", "Commercial formulations and solvent mixtures as products", "General theories of aromaticity and analytical instrument operation" ], "distinguishing_features": [ "Require both C12H10 composition and the fused seven-membered/seven-membered carbon-ring connectivity; formula alone cannot establish identity.", "Distinguish the seven/seven ring framework from azulene's five/seven and pentalene's five/five frameworks. Parent heptalene is described as a non-aromatic bicyclic 12π-electron system in [this primary research article](https://www.nature.com/articles/s41598-020-69425-w).", "Require an unsubstituted carbon-and-hydrogen structure; a thiophene-fused or alkyl-substituted heptalene is a related substance, not the parent.", "Check formal charge and electron state before matching a record: a heptalene radical anion is distinct from neutral heptalene, as illustrated by [radical-anion synthesis research](https://pubs.acs.org/doi/10.1021/ol0362921).", "Require evidence for intact parent molecules in the sample; a precursor, decomposition mixture or material containing a heptalene framework is insufficient." ], "characteristics": [ { "name": "Molecular composition and connectivity", "kind": "category", "unit_or_values": "C12H10; two seven-membered carbon rings sharing one edge; validated structure encoding", "why_it_matters": "Separates parent heptalene from constitutional isomers and related ring systems." }, { "name": "Charge and electron state", "kind": "state", "unit_or_values": "Neutral parent; charged or radical species recorded as related identities", "why_it_matters": "Prevents electronic and spectroscopic properties of ions from being assigned to the neutral substance." }, { "name": "Geometry and bond-length alternation", "kind": "measurement", "unit_or_values": "Dihedral angles in degrees; carbon-carbon distances in Å; method and conditions", "why_it_matters": "Supports interpretation of conjugation without treating a flat structural drawing as measured geometry." }, { "name": "Conformational and bond-shift dynamics", "kind": "measurement", "unit_or_values": "Exchange rate in s−1 or activation free energy in kJ mol−1, with temperature and method", "why_it_matters": "Determines whether observed spectral equivalence reflects a static structure or molecular exchange." }, { "name": "Parent-heptalene assay", "kind": "measurement", "unit_or_values": "Mass fraction or molar fraction with method, uncertainty and sampling time", "why_it_matters": "Distinguishes the amount of intact parent compound from solvent, precursors and transformation products." }, { "name": "Sample environment", "kind": "state", "unit_or_values": "Phase, solvent, concentration, temperature in K, pressure in Pa, atmosphere and light exposure", "why_it_matters": "Makes measurements and stability observations applicable to a particular sample." }, { "name": "Persistence under specified conditions", "kind": "measurement", "unit_or_values": "Parent fraction versus elapsed time; transformation products and analytical detection limits", "why_it_matters": "Supports an evidence-based interval for storage, transfer and analysis." }, { "name": "Identity and hazard evidence", "kind": "relation", "unit_or_values": "Verified CAS, PubChem and EC records where available; source-specific hazard classifications with jurisdiction and date", "why_it_matters": "Connects records to the exact parent substance and keeps missing hazard evidence distinct from demonstrated safety." } ], "affordances": [ "Match a candidate structure or analytical record to parent heptalene.", "Determine whether a sample contains enough intact parent compound for a stated experiment.", "Select complementary measurements that distinguish identity, dynamics and degradation.", "Compare physical or spectral observations only when molecular identity and conditions are compatible.", "Set evidence-supported storage and transfer conditions, or flag that suitable conditions remain unestablished." ], "agent_conduct": { "may": [ "Explain heptalene's structure and its significance in aromaticity theory.", "Report experimental and computational findings with their sources." ], "must_not": [ "Present computed properties as measured without saying so.", "Handle reactive hydrocarbons without the protection laboratory rules require.", "Provide synthesis procedures to people outside a supervised laboratory." ], "requires_human": [ "Approving disposal of reactive research compounds." ] }, "ethics": { "considerations": [ "Precision about theoretical compounds keeps chemistry teaching honest.", "Laboratory safety protects students and researchers." ], "affected_parties": [ "Students", "Researchers", "Laboratory workers" ] }, "owners": { "steward": "Researchers who hold samples; nobody owns the structure.", "master_systems": [] }, "visual_identification": [ "Identified by container label, chemical name and identifier, and certificate of analysis rather than by appearance alone." ], "failure_modes_and_hazards": [ "Instability and reactivity of samples.", "Misreported properties in the literature." ], "standards_and_regulation": [ "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), United Nations." ], "what_it_is_for": [ "Heptalene is encountered mainly in specialist organic chemistry research on nonbenzenoid conjugated hydrocarbons.", "Its molecular structure supports investigation of bond alternation, nonplanarity and the relationship between electron count and aromaticity.", "Researchers distinguish the parent compound from substituted heptalenes when interpreting synthesis and characterization results." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q2027399: heptalene", "url": "https://www.wikidata.org/wiki/Q2027399", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Heptalene", "url": "https://en.wikipedia.org/wiki/Heptalene", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "parent-identity", "name": "Parent identity", "description": "Establish which exact molecular entity the heptalene record denotes.", "rationale": "Heptalene literature includes derivatives and charged species whose properties cannot automatically characterize the neutral parent.", "layers": [ { "id": "molecular-boundary", "name": "Molecular boundary", "description": "Resolve composition, ring connectivity and substitution.", "findings": [ { "id": "seven-seven-parent-framework", "name": "Seven/seven parent framework", "description": "Identity requires the unsubstituted C12H10 fused seven-membered-ring framework rather than a name or molecular formula alone.", "questions": [ { "text": "Does the verified structure contain two seven-membered carbon rings sharing an edge and have formula C12H10?", "kind": "definition", "id": "seven-seven-parent-framework-q01" }, { "text": "Does substitution, additional ring fusion or a heteroatom make this a related substance instead of parent heptalene?", "kind": "boundary", "id": "seven-seven-parent-framework-q02" } ] } ] }, { "id": "record-resolution", "name": "Record resolution", "description": "Link names and identifiers to the exact parent structure.", "findings": [ { "id": "verified-parent-records", "name": "Verified parent records", "description": "External identifiers require structure-level verification and traceable provenance.", "questions": [ { "text": "Which authoritative records establish the CAS number, PubChem CID and any EC identifier for neutral parent heptalene?", "kind": "provenance", "id": "verified-parent-records-q01" }, { "text": "Do conflicting names or structure encodings describe different bond representations, or genuinely different molecular entities?", "kind": "boundary", "id": "verified-parent-records-q02" } ] } ] } ] }, { "id": "geometry-and-electronic-state", "name": "Geometry and electronic state", "description": "Represent the relationship between heptalene's ring framework, geometry and electronic interpretation.", "rationale": "A 12π-electron count alone is insufficient to establish the behavior of a particular geometry or charge state.", "layers": [ { "id": "geometry-evidence", "name": "Geometry evidence", "description": "Separate observed or calculated molecular geometry from schematic drawings.", "findings": [ { "id": "puckering-and-bond-localization", "name": "Puckering and bond localization", "description": "Record ring puckering and bond-length alternation with the molecular identity and method that support them.", "questions": [ { "text": "What measurements or calculations establish ring puckering and bond-length alternation for the parent molecule?", "kind": "measurement", "id": "puckering-and-bond-localization-q01" }, { "text": "Were the reported geometrical parameters obtained for neutral parent heptalene, a derivative or an ion?", "kind": "provenance", "id": "puckering-and-bond-localization-q02" } ] } ] }, { "id": "electronic-interpretation", "name": "Electronic interpretation", "description": "Qualify aromaticity descriptions by charge, geometry and diagnostic method.", "findings": [ { "id": "qualified-aromaticity-assessment", "name": "Qualified aromaticity assessment", "description": "Keep electron counting, magnetic response, energetic criteria and structural evidence distinguishable.", "questions": [ { "text": "Which criterion supports a non-aromatic or antiaromatic characterization, and for which geometry and electronic state?", "kind": "definition", "id": "qualified-aromaticity-assessment-q01" }, { "text": "Does a claimed aromatic response actually concern a reduced or substituted heptalene rather than the neutral parent?", "kind": "boundary", "id": "qualified-aromaticity-assessment-q02" } ] } ] } ] }, { "id": "analytical-recognition", "name": "Analytical recognition", "description": "Establish intact parent heptalene through complementary, condition-qualified observations.", "rationale": "Spectral averaging and sample transformation can obscure whether a measurement identifies the intended molecule.", "layers": [ { "id": "identity-signatures", "name": "Identity signatures", "description": "Combine evidence for composition with evidence for connectivity.", "findings": [ { "id": "orthogonal-parent-identification", "name": "Orthogonal parent identification", "description": "Use traceable reference spectra and complementary methods rather than treating a mass or absorption band as conclusive.", "questions": [ { "text": "Which parent-specific NMR assignments and mass-spectrometric observations jointly support composition and connectivity?", "kind": "measurement", "id": "orthogonal-parent-identification-q01" }, { "text": "Which authentic reference and acquisition conditions support the spectral comparison?", "kind": "provenance", "id": "orthogonal-parent-identification-q02" } ] } ] }, { "id": "dynamic-observations", "name": "Dynamic observations", "description": "Evaluate whether time and temperature alter the structural information visible to an analytical method.", "findings": [ { "id": "exchange-versus-transformation", "name": "Exchange versus transformation", "description": "Distinguish reversible molecular exchange from irreversible changes in sample composition.", "questions": [ { "text": "Do temperature-dependent spectral changes support ring inversion, bond shifting or another process in parent heptalene?", "kind": "measurement", "id": "exchange-versus-transformation-q01" }, { "text": "What reversibility and composition checks distinguish exchange from degradation during acquisition?", "kind": "action", "id": "exchange-versus-transformation-q02" } ] } ] } ] }, { "id": "sample-state-and-persistence", "name": "Sample state and persistence", "description": "Describe how much intact heptalene is present and how that amount changes under recorded conditions.", "rationale": "The identity of the intended substance does not establish the composition or usability of an actual preparation.", "layers": [ { "id": "composition-and-phase", "name": "Composition and phase", "description": "Record parent content, accompanying substances and the physical setting of measurements.", "findings": [ { "id": "condition-qualified-sample", "name": "Condition-qualified sample", "description": "Distinguish neat parent properties from observations on solutions or impure preparations.", "questions": [ { "text": "What fraction of the sample is intact heptalene, and which solvent, precursor or transformation-product fractions are quantified?", "kind": "measurement", "id": "condition-qualified-sample-q01" }, { "text": "Does a reported phase transition or physical constant concern neat heptalene, a solution or a transforming sample?", "kind": "boundary", "id": "condition-qualified-sample-q02" } ] } ] }, { "id": "stability-window", "name": "Stability window", "description": "Establish persistence and transformation pathways under explicitly recorded conditions.", "findings": [ { "id": "parent-loss-over-time", "name": "Parent loss over time", "description": "Measure loss of parent material without presuming its rate or mechanism.", "questions": [ { "text": "How does parent content change with time, temperature, atmosphere, illumination and concentration?", "kind": "measurement", "id": "parent-loss-over-time-q01" }, { "text": "Which observed products establish oxidation, polymerization or another transformation rather than unexplained analytical loss?", "kind": "measurement", "id": "parent-loss-over-time-q02" }, { "text": "What maximum delay between preparation and analysis is supported for the intended experiment?", "kind": "action", "id": "parent-loss-over-time-q03" } ] } ] } ] }, { "id": "handling-and-use-evidence", "name": "Handling and use evidence", "description": "Translate parent-specific evidence into decisions about characterization, storage and transfer.", "rationale": "Conditions suitable for a stabilized heptalene derivative may not preserve the parent or address its hazards.", "layers": [ { "id": "experimental-fitness", "name": "Experimental fitness", "description": "Assess whether a sample and proposed operation preserve the identity required by the task.", "findings": [ { "id": "supported-operating-conditions", "name": "Supported operating conditions", "description": "Tie operational choices to evidence for parent retention and adequate assay.", "questions": [ { "text": "Which documented temperature, atmosphere, solvent and transfer conditions preserve parent heptalene for the required duration?", "kind": "action", "id": "supported-operating-conditions-q01" }, { "text": "What assay threshold and pre-use identity check make the sample fit for the proposed characterization or reaction?", "kind": "action", "id": "supported-operating-conditions-q02" } ] } ] }, { "id": "hazard-and-regulatory-identity", "name": "Hazard and regulatory identity", "description": "Establish which hazard statements and regulatory records actually apply to the parent substance or its preparation.", "findings": [ { "id": "applicable-hazard-evidence", "name": "Applicable hazard evidence", "description": "Keep parent-specific evidence, mixture classifications and unresolved data gaps separate.", "questions": [ { "text": "Which verified sources provide parent-specific hazard classifications or exposure limits, with jurisdiction and date?", "kind": "provenance", "id": "applicable-hazard-evidence-q01" }, { "text": "Does the available safety record describe neutral heptalene, a derivative or a solvent-containing preparation?", "kind": "boundary", "id": "applicable-hazard-evidence-q02" }, { "text": "Which handling decisions remain unsupported because parent-specific hazard or compatibility data are missing?", "kind": "action", "id": "applicable-hazard-evidence-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-based information; no sources were consulted.", "Verify registry identifiers, physical constants and hazard classifications specifically for unsubstituted heptalene rather than its derivatives.", "Descriptions of antiaromaticity should distinguish the hypothetical planar delocalized system from the actual nonplanar, bond-alternating molecule." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of heptalene 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": "C12H10", "note": "Specifies composition but does not distinguish heptalene from its constitutional isomers." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of heptalene 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": [ "Research on nonbenzenoid conjugated hydrocarbons, aromaticity and antiaromaticity.", "Study of bond alternation and conformational behavior in fused seven-membered ring systems." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of heptalene 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": "154.21", "unit": "g/mol" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of heptalene 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": "Azulene", "difference": "Azulene has fused five- and seven-membered rings and a 10-π-electron aromatic system; heptalene has two fused seven-membered rings and 12 π electrons." }, { "name": "Naphthalene", "difference": "Naphthalene has two fused six-membered rings and is aromatic; heptalene has two fused seven-membered rings and adopts a nonplanar, bond-alternating structure." }, { "name": "Substituted heptalenes", "difference": "These retain the heptalene skeleton but replace one or more hydrogens with substituents, which can substantially change stability and physical properties." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of heptalene this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative structure-linked records confirm the parent compound's CAS number, PubChem CID and any EC identifier?", "Which primary measurements establish the neutral parent's geometry and exchange kinetics, independently of substituted heptalenes?", "Are reliable melting, boiling or other phase-transition data available for intact parent heptalene, and under what conditions?", "What experimentally supported storage conditions and time limits preserve parent heptalene, and which transformation products have been identified?", "What parent-specific toxicology, GHS classification, exposure-limit and incompatibility evidence exists, and what remains uncharacterized?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 15, "questions": 27 } }