{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T10:14:58Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 20.5, "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-ea97-7331-ae46-7fc6b3f371c6\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: hexaamminenickel chloride\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch", "usd": 0.0, "recall": true }, "codex": { "seconds": 69.3, "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-ea90-7a63-ae62-d4c5bb0adaa1\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: hexaamminenickel chloride\nRegistry id: vr.tr.hexaamminenickel-chloride\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folde" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:53:27+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:31+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q4498202", "registryId": "vr.tr.hexaamminenickel-chloride", "name": "hexaamminenickel chloride", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q4498202/", "model": { "registry_id": "vr.tr.hexaamminenickel-chloride", "name": "hexaamminenickel chloride", "purpose": "Enable an agent to recognise hexaamminenickel chloride, assess whether a sample retains its intended composition and coordination state, and determine its suitability for an authorised chemical use.", "definition": "Hexaamminenickel chloride is a nickel(II) coordination salt, [Ni(NH3)6]Cl2, containing an approximately octahedral cation with six ammonia ligands bound to nickel and two chloride counterions.", "scope_statement": "This model owns the substance identity and sample-level condition of hexaamminenickel(II) chloride, [Ni(NH3)6]Cl2, registered as vr.tr.hexaamminenickel-chloride in PHY / PHY.MAT, including composition, purity, phase, transformation evidence and applicable handling constraints.", "in_scope": [ "Nickel(II), six coordinated ammonia ligands and two chloride counterions per formula unit", "Substance identifiers and evidence connecting them to the registered thing", "Sample purity, water content, residual reagents and ammonia retention", "Solid-phase identity and condition-dependent solution speciation", "Measured properties, stability evidence and substance-specific handling constraints" ], "out_of_scope": [ "Chloride as a general ion, whose model supplies inherited counterion concepts", "Nickel(II) chloride and its hydrates as distinct substances", "The isolated hexaamminenickel(II) cation without specification of its counterions", "Other nickel ammine salts and complexes with different ligands", "Complete synthesis processes, laboratory equipment and commercial product formulations" ], "distinguishing_features": [ "Establish nickel as the metal centre and its formal oxidation state as +2, excluding similarly named cobalt ammine compounds.", "Establish six ammonia ligands per nickel; elemental composition alone must not be treated as proof of their coordination.", "Establish two chloride counterions per complex cation, distinguishing this chloride salt from other hexaamminenickel salts.", "Distinguish coordinated NH3 from water in nickel chloride hydrates and from free ammonia or ammonium chloride contamination.", "Treat colour as supporting evidence only; confirm identity through composition and a coordination-sensitive or phase-sensitive method." ], "characteristics": [ { "name": "Chemical identity", "kind": "category", "unit_or_values": "Hexaamminenickel(II) chloride; [Ni(NH3)6]Cl2; empirical formula Cl2H18N6Ni", "why_it_matters": "Defines the complete salt rather than chloride alone or an unspecified nickel-ammonia mixture." }, { "name": "Registry and external identity mappings", "kind": "relation", "unit_or_values": "vr.tr.hexaamminenickel-chloride linked to source-qualified CAS, PubChem and EC records", "why_it_matters": "Prevents similarly named or differently represented database records from being accepted without reconciliation." }, { "name": "Nickel coordination", "kind": "category", "unit_or_values": "Formal Ni(II); six NH3 ligands; observed geometry and supporting method", "why_it_matters": "Separates the intended coordination compound from other nickel-containing phases." }, { "name": "Component ratios", "kind": "measurement", "unit_or_values": "mol NH3/mol Ni and mol Cl/mol Ni; nominal values 6 and 2", "why_it_matters": "Tests stoichiometry while allowing explicit investigation of ligand loss and contamination." }, { "name": "Purity and assay basis", "kind": "measurement", "unit_or_values": "Mass percent, method, uncertainty and as-received or dry basis", "why_it_matters": "Distinguishes total nickel assay from the fraction actually present as the intended compound." }, { "name": "Water and residual reagents", "kind": "measurement", "unit_or_values": "Mass percent water, free ammonia, ammonium chloride and other identified residues", "why_it_matters": "These can distort mass-based dosing and apparent ligand or chloride ratios." }, { "name": "Physical and chemical state", "kind": "state", "unit_or_values": "Solid, dissolved or mixed phase; temperature, solvent, pH and elapsed time where relevant", "why_it_matters": "A weighed salt and the nickel species subsequently present in solution are different observations." }, { "name": "Thermal and dissolution behaviour", "kind": "measurement", "unit_or_values": "°C for identified thermal events; g/L or mol/L for solubility under stated conditions", "why_it_matters": "Avoids interpreting ammonia loss as melting or reporting apparent dissolution as equilibrium solubility." }, { "name": "Applicable hazard and use status", "kind": "relation", "unit_or_values": "Substance-matched SDS, jurisdiction, revision date, classification and authorised use conditions", "why_it_matters": "Connects decisions to documented requirements without inventing classifications or exposure limits." } ], "affordances": [ "Match a labelled material to the registered substance using reconciled identifiers and analytical evidence.", "Calculate substance quantities from verified composition and assay basis.", "Accept, qualify or reject a batch against use-specific purity and coordination requirements.", "Evaluate whether dissolution, storage or heating has changed the material's identity or suitability.", "Select an approved handling or waste route from applicable documentation and the sample's actual condition." ], "agent_conduct": { "may": [ "Describe the complex's octahedral structure and its use in teaching coordination chemistry.", "Report the hazards of nickel compounds from safety data." ], "must_not": [ "Handle it without gloves or dust control.", "Use it in demonstrations for children without proper supervision and protection.", "Dispose of nickel waste into drains or general rubbish." ], "requires_human": [ "Approving its use in schools or disposal of bulk quantities." ] }, "ethics": { "considerations": [ "Nickel compounds sensitise skin and can cause cancer, so students must be protected." ], "affected_parties": [ "Students and teachers", "Laboratory staff" ] }, "owners": { "steward": "The laboratory or school that holds it; the supplier answers for its labelling.", "master_systems": [] }, "visual_identification": [ "Violet to blue-violet crystals.", "Smells of ammonia as it slowly loses ammonia in air." ], "failure_modes_and_hazards": [ "Nickel compounds can cause allergic skin reactions and are suspected carcinogens.", "Releases ammonia when heated or left open." ], "standards_and_regulation": [ "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), United Nations." ], "what_it_is_for": [ "Hexaamminenickel chloride is encountered in coordination chemistry teaching and research as an example of a nickel complex containing ammonia ligands.", "It supports studies of coordination geometry and ligand exchange, with sample suitability depending on retention of its intended chemical composition." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q4498202: hexaamminenickel chloride", "url": "https://www.wikidata.org/wiki/Q4498202", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Hexaamminenickel chloride", "url": "https://en.wikipedia.org/wiki/Hexaamminenickel_chloride", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "salt-and-coordination-identity", "name": "Salt and coordination identity", "description": "Establish the complete nickel ammine chloride identity and its boundaries against neighbouring substances.", "rationale": "The name contains chloride, but recognition depends on the nickel-ammonia cation and the salt stoichiometry.", "layers": [ { "id": "formula-and-charge", "name": "Formula and charge", "description": "Resolve the metal, ammonia ligands and counterions.", "findings": [ { "id": "complete-salt-identity", "name": "Complete salt identity", "description": "The identity anchor is [Ni(NH3)6]Cl2, comprising a nickel-ammonia complex cation and chloride counterions. Source: [University of Malaya laboratory manual](https://chemistry.um.edu.my/doc/Lab%20Manual/SIC1012_LaboratorySkills.pdf).", "questions": [ { "text": "Does the material claim the complete [Ni(NH3)6]Cl2 salt, with formal Ni(II) and two chloride counterions?", "kind": "definition", "id": "complete-salt-identity-q01" }, { "text": "What evidence distinguishes coordinated ammonia from a mixture of nickel chloride and ammonia-containing residues?", "kind": "measurement", "id": "complete-salt-identity-q02" } ] } ] }, { "id": "identifier-and-neighbour-boundaries", "name": "Identifier and neighbour boundaries", "description": "Connect names and database representations without merging distinct substances.", "findings": [ { "id": "source-qualified-identity-mapping", "name": "Source-qualified identity mapping", "description": "PubChem presents a matching name and formula under CID 22221640; identifier assignments should retain their source and representation rather than be inferred from name similarity. Source: [PubChem compound record](https://pubchem.ncbi.nlm.nih.gov/compound/Hexaamminenickel_II_chloride).", "questions": [ { "text": "Which CAS, EC and PubChem records explicitly describe this complete salt, and do their formulas agree?", "kind": "provenance", "id": "source-qualified-identity-mapping-q01" }, { "text": "Does a candidate match instead describe nickel chloride hydrate, another counterion salt or only the complex cation?", "kind": "boundary", "id": "source-qualified-identity-mapping-q02" } ] } ] } ] }, { "id": "batch-composition-and-verification", "name": "Batch composition and verification", "description": "Determine whether an actual sample meets the intended salt composition and purity.", "rationale": "Nickel content or a nominal formula cannot establish that a batch consists predominantly of the intended coordination compound.", "layers": [ { "id": "stoichiometry-and-residues", "name": "Stoichiometry and residues", "description": "Separate compound composition from water and residual preparation materials.", "findings": [ { "id": "composition-on-a-declared-basis", "name": "Composition on a declared basis", "description": "Record nickel, chloride, ammonia and water measurements with methods and reporting bases; treat departures from nominal ratios as evidence requiring interpretation.", "questions": [ { "text": "What are the measured NH3:Ni and Cl:Ni molar ratios, and what uncertainty accompanies them?", "kind": "measurement", "id": "composition-on-a-declared-basis-q01" }, { "text": "How were coordinated ammonia, free ammonia, ammonium chloride and water distinguished in the assay?", "kind": "measurement", "id": "composition-on-a-declared-basis-q02" } ] } ] }, { "id": "coordination-and-phase-evidence", "name": "Coordination and phase evidence", "description": "Require evidence capable of discriminating the intended compound from compositionally similar material.", "findings": [ { "id": "orthogonal-identity-confirmation", "name": "Orthogonal identity confirmation", "description": "Retain diffraction, spectroscopy or other suitable identity evidence alongside elemental assays; appearance alone does not establish coordination or phase purity.", "questions": [ { "text": "Which measured features support six ammonia ligands around nickel and the intended solid phase?", "kind": "measurement", "id": "orthogonal-identity-confirmation-q01" }, { "text": "Which reference material or published dataset supports the comparison, and what alternative phases remain unresolved?", "kind": "provenance", "id": "orthogonal-identity-confirmation-q02" } ] } ] } ] }, { "id": "condition-dependent-state", "name": "Condition-dependent state", "description": "Track whether the material retains its identity during storage, dissolution and thermal exposure.", "rationale": "The nominal salt formula must not substitute for evidence about the material after its environment changes.", "layers": [ { "id": "solid-retention-and-thermal-events", "name": "Solid retention and thermal events", "description": "Relate observed solid-state changes to temperature, atmosphere and exposure history.", "findings": [ { "id": "ammonia-retention-assessment", "name": "Ammonia retention assessment", "description": "Assess possible changes in ammonia content and phase identity without assigning unsupported decomposition temperatures or storage limits.", "questions": [ { "text": "Under what temperature, humidity, atmosphere and duration was the sample stored or tested?", "kind": "provenance", "id": "ammonia-retention-assessment-q01" }, { "text": "Do mass-loss, evolved-gas and phase measurements identify ammonia loss, water loss, melting or another event?", "kind": "measurement", "id": "ammonia-retention-assessment-q02" } ] } ] }, { "id": "dissolution-and-solution-speciation", "name": "Dissolution and solution speciation", "description": "Distinguish the introduced salt from the species present after dissolution.", "findings": [ { "id": "solution-identity-is-conditional", "name": "Solution identity is conditional", "description": "Record solvent, temperature, pH, ammonia availability and elapsed time before interpreting dissolved nickel as the intact hexaammine complex.", "questions": [ { "text": "Under the recorded solution conditions, what evidence establishes the fraction of nickel remaining as the hexaammine complex?", "kind": "measurement", "id": "solution-identity-is-conditional-q01" }, { "text": "When does ligand exchange or another transformation require describing the solution through neighbouring species models?", "kind": "boundary", "id": "solution-identity-is-conditional-q02" } ] } ] } ] }, { "id": "use-qualification-and-handling", "name": "Use qualification and handling", "description": "Translate verified composition and condition into documented decisions about use, handling and disposition.", "rationale": "Actions depend on the actual nickel ammine material, its impurities and its applicable safety documentation.", "layers": [ { "id": "fitness-for-intended-use", "name": "Fitness for intended use", "description": "Connect assay and state evidence to the requirements of a particular application.", "findings": [ { "id": "use-specific-acceptance", "name": "Use-specific acceptance", "description": "Define acceptance using the intended role of the compound, including nickel delivery, ammonia stoichiometry and tolerance for chloride or water.", "questions": [ { "text": "Does the intended task require verified intact hexaammine salt, a known nickel quantity or both?", "kind": "action", "id": "use-specific-acceptance-q01" }, { "text": "Which limits on water, residual ammonium chloride, other metals and altered phases determine batch acceptance?", "kind": "boundary", "id": "use-specific-acceptance-q02" } ] } ] }, { "id": "documented-exposure-and-disposition", "name": "Documented exposure and disposition", "description": "Ground handling and waste decisions in matched documentation and the proposed operation.", "findings": [ { "id": "operation-specific-handling-evidence", "name": "Operation-specific handling evidence", "description": "Resolve applicable nickel-compound requirements and potential ammonia-release conditions from current sources; leave exact classifications and exposure limits unset until verified.", "questions": [ { "text": "Which current substance-matched SDS and jurisdictional sources establish classification, exposure limits and waste requirements?", "kind": "provenance", "id": "operation-specific-handling-evidence-q01" }, { "text": "What approved controls and disposition route apply to the proposed operation and the sample's measured condition?", "kind": "action", "id": "operation-specific-handling-evidence-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 is recalled knowledge, without consulted sources; CAS, PubChem and EC identifiers are omitted because their values are uncertain.", "Verify hydration state, purity and thermal behavior for the actual material before assigning physical constants.", "Verify substance-specific hazard classifications and applicable jurisdictional requirements." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of hexaamminenickel chloride 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": "Chemical formula", "value_or_pattern": "[Ni(NH3)6]Cl2", "note": "Chloride ions balance the charge of the coordination cation; they are not among its six ammonia ligands." }, { "scheme": "Coordination nomenclature", "value_or_pattern": "hexaamminenickel(II) chloride", "note": "The oxidation state is explicit; 'ammine' denotes coordinated ammonia." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of hexaamminenickel chloride this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "United Nations Globally Harmonized System of Classification and Labelling of Chemicals (GHS): a framework for hazard communication; substance-specific classifications require verification." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of hexaamminenickel chloride 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": [ "Preparation in teaching laboratories to demonstrate coordination chemistry, ligand substitution and crystallization.", "Study of the spectroscopy and magnetic properties of octahedral nickel(II) complexes." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of hexaamminenickel chloride 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": "Approximately 231.78 for the formula [Ni(NH3)6]Cl2", "unit": "g/mol" }, { "quantity": "Nickel coordination number", "typical_range": "6", "unit": "dimensionless" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of hexaamminenickel chloride 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": [ "Nickel content presents toxicity and sensitization concerns; the exact hazard classification needs a substance-specific safety data sheet.", "Heating can cause loss of ammonia and decomposition rather than a simple phase transition.", "Acidification protonates ammonia ligands and changes the coordination species.", "Dissolution can change coordination equilibria, so the dissolved material need not retain exclusively the solid's hexaammine composition." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of hexaamminenickel chloride 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": "chloride", "difference": "Chloride is the anion Cl−; hexaamminenickel chloride is a specific salt containing chloride and a nickel-ammonia coordination cation." }, { "name": "nickel(II) chloride", "difference": "Nickel(II) chloride lacks the six coordinated ammonia molecules specified by the hexaammine salt." }, { "name": "hexaamminenickel(II) ion", "difference": "The ion is [Ni(NH3)6]2+; the chloride salt additionally specifies its counterions." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of hexaamminenickel chloride this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which CAS and EC assignments are authoritative for this salt, and how should differently represented PubChem records be reconciled?", "Which reference diffraction or spectroscopic data best distinguish the intended phase from nickel chloride hydrates and partially altered ammine material?", "What measured solubility and solution-speciation data apply across relevant temperature, pH and ammonia concentrations?", "What storage and thermal studies establish ammonia retention, decomposition stages and whether reported melting or boiling values are meaningful?", "Which current substance-specific hazard classifications, exposure limits and waste requirements apply in the intended jurisdiction?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 15, "questions": 23 } }