{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T11:33:22Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 18.0, "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: 01a09563-98c9-7a52-bf22-2adc0ee1dcbe\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: neocuproine\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 reg", "usd": 0.0, "recall": true }, "codex": { "seconds": 75.3, "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: 01a09563-98d6-7f50-b844-fc99d5df0c69\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: neocuproine\nRegistry id: vr.tr.neocuproine\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\n" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:48:58+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:30+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q409347", "registryId": "vr.tr.neocuproine", "name": "neocuproine", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q409347/", "model": { "registry_id": "vr.tr.neocuproine", "name": "neocuproine", "purpose": "Enable an agent to identify neocuproine, assess the condition and suitability of a particular material, and determine its appropriate use as a copper-binding reagent.", "definition": "Neocuproine is 2,9-dimethyl-1,10-phenanthroline, a heteroaromatic compound with formula C14H12N2 that acts as a bidentate nitrogen ligand and forms a strongly coloured complex with copper(I).", "scope_statement": "This model owns vr.tr.neocuproine in PHY.MAT: the identity of 2,9-dimethyl-1,10-phenanthroline, its material forms, reagent quality, coordination behavior, and conditions governing use; formulations, salts, and metal complexes are recorded as related entities with explicit boundaries.", "in_scope": [ "Molecular identity and distinction from other phenanthroline ligands", "Anhydrous or hydrated material identity and concentration basis", "Lot purity, water content, and copper contamination", "Copper-binding behavior and analytical suitability under specified conditions", "Physical condition, storage requirements, and applicable hazard evidence" ], "out_of_scope": [ "Manufacturing processes and synthesis equipment", "Complete copper assay protocols and instrument models", "Independent identities of neocuproine salts and isolated metal complexes", "Commercial reagent mixtures beyond their neocuproine component", "Biological effects or therapeutic claims requiring separate experimental models" ], "distinguishing_features": [ "The molecular structure must contain the 1,10-phenanthroline framework with methyl substituents specifically at positions 2 and 9, distinguishing it from unsubstituted phenanthroline and positional isomers.", "The neutral anhydrous identity has formula C14H12N2 and CAS number 484-11-7; a hydrate or salt identifier must not silently replace that identity. See [NIST](https://webbook.nist.gov/cgi/cbook.cgi?ID=484-11-7&Units=SI).", "Absence of additional 4,7-phenyl substituents distinguishes neocuproine from bathocuproine; structural verification takes precedence over similar reagent names.", "Free neocuproine must be distinguished from a copper-containing coordination species and from a solution containing both.", "A copper-binding response supports functional suitability but cannot alone establish chemical identity or purity." ], "characteristics": [ { "name": "Molecular identity", "kind": "category", "unit_or_values": "2,9-dimethyl-1,10-phenanthroline; structure-verified or unresolved", "why_it_matters": "The methyl substitution pattern defines this ligand and prevents substitution with another phenanthroline." }, { "name": "Material form", "kind": "category", "unit_or_values": "Anhydrous free base; hydrate with established water stoichiometry; unresolved form", "why_it_matters": "Water content changes the mass required to deliver a given amount of ligand." }, { "name": "Neocuproine assay", "kind": "measurement", "unit_or_values": "% by mass, with analytical method and as-received or dry basis", "why_it_matters": "Nominal reagent mass does not establish usable ligand content." }, { "name": "Water content", "kind": "measurement", "unit_or_values": "% by mass or mol H2O/mol ligand, with method", "why_it_matters": "Distinguishes supported hydrate composition from moisture uptake and ambiguous supplier naming." }, { "name": "Copper contamination", "kind": "measurement", "unit_or_values": "mg/kg in solid or µmol/L in solution", "why_it_matters": "Copper already present can increase the blank or consume available ligand." }, { "name": "Dissolution behavior", "kind": "measurement", "unit_or_values": "g/L or mol/L at specified solvent composition, temperature, and pH", "why_it_matters": "Determines whether a preparation actually delivers its nominal dissolved concentration." }, { "name": "Thermal transition", "kind": "measurement", "unit_or_values": "°C, with material form, method, and identification as melting, dehydration, or decomposition", "why_it_matters": "A thermal event cannot be interpreted without distinguishing hydration and decomposition effects." }, { "name": "Copper-binding state", "kind": "state", "unit_or_values": "Free ligand; partially coordinated; predominantly coordinated; unresolved", "why_it_matters": "Available free ligand and copper speciation determine reagent behavior." }, { "name": "Analytical response", "kind": "measurement", "unit_or_values": "Absorbance, wavelength in nm, path length in cm, blank, and calibration under a named method", "why_it_matters": "Copper sensitivity is conditional on preparation and measurement conditions." }, { "name": "Safety and regulatory evidence", "kind": "relation", "unit_or_values": "Links to form-specific SDS, identifier records, jurisdiction, and revision date", "why_it_matters": "Handling decisions require evidence applicable to the actual material or preparation." } ], "affordances": [ "Resolve a reagent label to the correct molecular identity and material form.", "Calculate ligand equivalents using verified assay and hydration information.", "Prepare a solution within evidenced dissolution and stability limits.", "Assess suitability for a specified copper determination using blanks and reference standards.", "Interpret copper binding with explicit oxidation-state and matrix conditions.", "Accept, retest, or quarantine a lot using identity, quality, and storage evidence." ], "agent_conduct": { "may": [ "Describe neocuproine's use as a selective reagent for copper(I) analysis and as a ligand.", "Read safety data sheets and report hazards to the user." ], "must_not": [ "Handle it without the protective equipment its safety data sheet requires.", "Report copper results from a method that has not been validated for the sample.", "Dispose of reagent waste into drains." ], "requires_human": [ "Releasing analytical results for regulatory or clinical use." ] }, "ethics": { "considerations": [ "Copper results in water and food testing affect public health decisions." ], "affected_parties": [ "Analysts and laboratory staff", "Users of test results" ] }, "owners": { "steward": "The laboratory that holds it; the supplier answers for its identity and grade.", "master_systems": [] }, "visual_identification": [ "A white to pale yellow crystalline powder.", "With copper(I) it gives an intense orange-red colour that is the basis of its use." ], "failure_modes_and_hazards": [ "Harmful if swallowed and irritating to eyes and skin.", "Toxic to aquatic life if released." ], "standards_and_regulation": [ "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), United Nations." ], "what_it_is_for": [ "Neocuproine is encountered in analytical chemistry laboratories as a ligand for copper(I).", "Its strongly coloured copper complex supports colorimetric measurements and research involving copper coordination chemistry." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q409347: neocuproine", "url": "https://www.wikidata.org/wiki/Q409347", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Neocuproine", "url": "https://en.wikipedia.org/wiki/Neocuproine", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "ligand-identity", "name": "Ligand identity", "description": "Establish what qualifies as neocuproine and separate nearby chemical identities.", "rationale": "Related phenanthrolines and differently labelled material forms cannot be treated as interchangeable.", "layers": [ { "id": "molecular-recognition", "name": "Molecular recognition", "description": "Recognize the defining substitution pattern.", "findings": [ { "id": "defining-substitution", "name": "Defining substitution", "description": "Neocuproine is 1,10-phenanthroline bearing methyl groups at positions 2 and 9. See [ChEBI](https://www.ebi.ac.uk/chebi/CHEBI%3A91222).", "questions": [ { "text": "Does structural evidence establish the 2,9-dimethyl substitution pattern on a 1,10-phenanthroline framework?", "kind": "definition", "id": "defining-substitution-q01" }, { "text": "What evidence excludes unsubstituted phenanthroline, other dimethyl isomers, and bathocuproine?", "kind": "boundary", "id": "defining-substitution-q02" } ] } ] }, { "id": "identifier-boundaries", "name": "Identifier boundaries", "description": "Map registry and supplier records without collapsing chemically distinct forms.", "findings": [ { "id": "form-specific-identifiers", "name": "Form-specific identifiers", "description": "Each identifier must state whether it denotes the free base, a hydrate, a salt, or a preparation.", "questions": [ { "text": "Which CAS, PubChem, and EC records apply to the supplied form, and which describe only the parent molecule?", "kind": "provenance", "id": "form-specific-identifiers-q01" }, { "text": "Is the labelled material neocuproine itself, a hydrochloride salt, a metal complex, or a formulated solution?", "kind": "boundary", "id": "form-specific-identifiers-q02" } ] } ] } ] }, { "id": "solid-form-and-lot-quality", "name": "Solid form and lot quality", "description": "Establish the amount and condition of ligand present in a physical lot.", "rationale": "Hydration, purity, and contamination affect both concentration calculations and copper assay performance.", "layers": [ { "id": "hydration-and-mass-basis", "name": "Hydration and mass basis", "description": "Resolve water content before converting weighed mass to ligand amount.", "findings": [ { "id": "verified-hydration", "name": "Verified hydration", "description": "Hydrate naming must be supported by measured water content or reliable form-specific documentation.", "questions": [ { "text": "What water-to-ligand ratio is supported for this lot, and how was it established?", "kind": "measurement", "id": "verified-hydration-q01" }, { "text": "Which molecular-mass and assay basis should be used to calculate ligand equivalents from the as-received mass?", "kind": "action", "id": "verified-hydration-q02" } ] } ] }, { "id": "reagent-performance-quality", "name": "Reagent performance quality", "description": "Connect compositional quality to reagent fitness.", "findings": [ { "id": "purity-and-copper-blank", "name": "Purity and copper blank", "description": "Solution clarity, sensitivity to copper, and loss on drying are relevant reagent qualification dimensions. See [ACS Reagent Chemicals](https://pubs.acs.org/doi/10.1021/acsreagents.4123).", "questions": [ { "text": "What assay, impurity profile, water measurement, and copper blank characterize the lot?", "kind": "measurement", "id": "purity-and-copper-blank-q01" }, { "text": "Does the lot meet the acceptance criteria of the intended copper method, including clarity and sensitivity?", "kind": "action", "id": "purity-and-copper-blank-q02" } ] } ] } ] }, { "id": "solution-and-coordination-state", "name": "Solution and coordination state", "description": "Describe dissolved ligand availability and its interaction with copper.", "rationale": "Nominal concentration alone does not establish dissolved, unbound, analytically available neocuproine.", "layers": [ { "id": "dissolution-and-protonation", "name": "Dissolution and protonation", "description": "Record conditions controlling the solution state.", "findings": [ { "id": "available-dissolved-ligand", "name": "Available dissolved ligand", "description": "Solvent, pH, temperature, and precipitation must accompany claims about dissolved ligand availability.", "questions": [ { "text": "At the intended concentration, solvent composition, pH, and temperature, is neocuproine completely dissolved?", "kind": "measurement", "id": "available-dissolved-ligand-q01" }, { "text": "What evidence establishes how protonation or precipitation affects available ligand under these conditions?", "kind": "boundary", "id": "available-dissolved-ligand-q02" } ] } ] }, { "id": "copper-speciation", "name": "Copper speciation", "description": "Separate binding behavior from assumptions about copper oxidation state.", "findings": [ { "id": "conditional-copper-binding", "name": "Conditional copper binding", "description": "Neocuproine hydrate is used to complex Cu(I), including Cu(I) generated by reduction of Cu(II); the reaction conditions remain part of the interpretation. See [manufacturer information](https://www.sigmaaldrich.com/US/en/product/aldrich/121908).", "questions": [ { "text": "Which copper oxidation state, ligand-to-metal ratio, and complex species are supported under the actual conditions?", "kind": "definition", "id": "conditional-copper-binding-q01" }, { "text": "How do reductants, oxygen, competing ligands, and other metals change binding or copper speciation?", "kind": "boundary", "id": "conditional-copper-binding-q02" } ] } ] } ] }, { "id": "analytical-fitness", "name": "Analytical fitness", "description": "Determine whether the reagent supports a defensible copper-related measurement.", "rationale": "A colored complex or nominal reagent grade does not establish valid quantification.", "layers": [ { "id": "response-validation", "name": "Response validation", "description": "Tie the measured response to a specified preparation and calibration.", "findings": [ { "id": "calibrated-copper-response", "name": "Calibrated copper response", "description": "Record signal conditions and calibration evidence instead of assigning a universal response constant.", "questions": [ { "text": "What wavelength, solvent, path length, reaction time, and calibration range define the measured copper response?", "kind": "measurement", "id": "calibrated-copper-response-q01" }, { "text": "Do blanks and reference standards demonstrate acceptable response for this reagent lot and solution age?", "kind": "action", "id": "calibrated-copper-response-q02" } ] } ] }, { "id": "matrix-and-measurand", "name": "Matrix and measurand", "description": "Define what the response measures in the actual sample.", "findings": [ { "id": "interpretation-limits", "name": "Interpretation limits", "description": "Distinguish copper quantification from assays where copper chemistry reports another property, such as reducing capacity.", "questions": [ { "text": "Does the method measure Cu(I), copper after a defined reduction step, or a sample property inferred through copper redox chemistry?", "kind": "boundary", "id": "interpretation-limits-q01" }, { "text": "Which matrix components cause competing binding, background absorption, precipitation, or unintended reduction?", "kind": "measurement", "id": "interpretation-limits-q02" } ] } ] } ] }, { "id": "handling-and-use-readiness", "name": "Handling and use readiness", "description": "Connect the actual reagent form and its history to handling and continued-use decisions.", "rationale": "Solid ligand, solvent preparations, and copper-containing residues require different evidence and controls.", "layers": [ { "id": "applicable-hazard-evidence", "name": "Applicable hazard evidence", "description": "Attach safety information to the material actually handled.", "findings": [ { "id": "form-and-mixture-hazards", "name": "Form and mixture hazards", "description": "Hazard and regulatory records must identify the substance form, supplier, jurisdiction, and revision.", "questions": [ { "text": "Which current SDS and jurisdictional records establish classifications and any applicable exposure limits for this neocuproine material?", "kind": "provenance", "id": "form-and-mixture-hazards-q01" }, { "text": "How do the solvent, acid, reductant, or bound copper alter handling and disposal requirements for the preparation?", "kind": "action", "id": "form-and-mixture-hazards-q02" } ] } ] }, { "id": "storage-and-requalification", "name": "Storage and requalification", "description": "Assess continued suitability after storage or preparation.", "findings": [ { "id": "continued-reagent-fitness", "name": "Continued reagent fitness", "description": "Use documented storage conditions and repeat performance evidence to judge whether material remains suitable.", "questions": [ { "text": "What storage conditions and shelf-life evidence apply separately to this solid form and its working solution?", "kind": "provenance", "id": "continued-reagent-fitness-q01" }, { "text": "Do changes in water content, appearance, precipitation, blank, or copper response require retesting or rejection?", "kind": "action", "id": "continued-reagent-fitness-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 a recall-based description; no sources were consulted.", "Verify hydration state, purity, and form-specific identifiers against the actual material.", "Melting point, solubility, GHS classification, and jurisdiction-specific requirements should be checked before operational use." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of neocuproine this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Anhydrous neocuproine", "Neocuproine hemihydrate" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of neocuproine this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "scheme": "CAS Registry Number", "value_or_pattern": "484-11-7", "note": "Identifies anhydrous neocuproine; hydrated forms require separate identity checks." }, { "scheme": "Systematic chemical name", "value_or_pattern": "2,9-dimethyl-1,10-phenanthroline", "note": "Specifies the positions of the methyl groups on the phenanthroline framework." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of neocuproine 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": [ "Spectrophotometric determination of copper through formation of its copper(I) complex.", "Ligand for preparing and studying copper coordination compounds.", "Reagent in the cupric reducing antioxidant capacity assay, commonly called CUPRAC." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of neocuproine 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 of anhydrous neocuproine", "typical_range": "208.26", "unit": "g/mol" }, { "quantity": "Analytical absorption wavelength of the copper(I)-neocuproine complex", "typical_range": "Approximately 450, depending on medium and assay conditions", "unit": "nm" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of neocuproine 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": [ "Unaccounted hydration or purity differences can produce errors when preparing solutions by mass.", "Copper measurements can be biased by competing ligands, unsuitable pH, or failure to establish the required copper oxidation state.", "Copper contamination in reagents or vessels can increase analytical blanks." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of neocuproine 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": "1,10-Phenanthroline", "difference": "The parent ligand lacks neocuproine's methyl groups at positions 2 and 9." }, { "name": "Bathocuproine", "difference": "Has additional phenyl groups at positions 4 and 7 of the neocuproine framework." }, { "name": "Copper(I)-neocuproine complex", "difference": "Contains coordinated copper; neocuproine itself is the free organic ligand." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of neocuproine this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which hydrate compositions and associated identifiers are sufficiently supported to represent under this registry entry without conflating salts or formulations?", "What measured solubility, protonation, and thermal-transition data are reliable for each material form and set of conditions?", "What copper-binding stoichiometry, selectivity, and interference limits are established across the intended analytical matrices?", "Which form-specific GHS classifications, regulatory identifiers, and exposure-limit records apply in the intended jurisdictions?", "What validated storage periods and requalification thresholds exist for the solid reagent and commonly used working solutions?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 17, "questions": 27 } }