{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T08:39:42Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 17.1, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a094c4-a256-7140-8514-4bcc37d77328\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: chloroxuron\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 reg", "usd": 0.0, "recall": true }, "codex": { "seconds": 73.0, "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: 01a094c4-a250-7c40-b942-a4fd8b8086fb\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: chloroxuron\nRegistry id: vr.tr.chloroxuron\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": "2026-10-06T08:55:21+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "standards_and_regulation", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:29+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q2964148", "registryId": "vr.tr.chloroxuron", "name": "chloroxuron", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q2964148/", "model": { "registry_id": "vr.tr.chloroxuron", "name": "chloroxuron", "purpose": "Enable an agent to identify chloroxuron, assess the condition and evidence quality of a sample, and determine which handling, analytical or use decisions are justified.", "definition": "Chloroxuron is a synthetic phenylurea herbicide that inhibits photosystem II electron transport in susceptible plants.", "scope_statement": "This model owns chloroxuron as the registered chemical substance vr.tr.chloroxuron in PHY / PHY.MAT, including molecular identity, sample composition, physical state, herbicidal function, environmental behaviour and jurisdiction-specific constraints.", "in_scope": [ "Molecular identity and verified chemical identifier cross-references", "Purity, grade, impurities and condition of chloroxuron samples", "Physical properties with measurement conditions and evidence", "Herbicidal activity and evidence connecting exposure to biological effects", "Environmental residues, transformation and persistence", "Substance hazard classifications and dated regulatory constraints" ], "out_of_scope": [ "Commercial herbicide formulations and their complete ingredient compositions", "Manufacturing processes and production equipment", "Crop management programmes and field application operations", "Separate models of transformation products and related herbicides", "Clinical diagnosis and treatment of pesticide exposure", "Environmental sites and sampling programmes as independent entities" ], "distinguishing_features": [ "Match molecular connectivity to 3-[4-(4-chlorophenoxy)phenyl]-1,1-dimethylurea, including its two aromatic rings joined through oxygen; a similar pesticide name is insufficient. Identity reference: [NIST Chemistry WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=1982-47-4).", "Require consistency between CAS 1982-47-4, formula C15H15ClN2O2 and the structure record; formula alone cannot establish identity. Reference: [NIST Chemistry WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=1982-47-4).", "Distinguish chloroxuron from similarly named chlorotoluron, chloroxynil and chlorsulfuron through verified structures and identifiers rather than herbicide function.", "Separate the parent substance from impurities and transformation products using validated analytical evidence; detecting a related residue does not establish intact chloroxuron.", "Distinguish chloroxuron content from the mass of a product or solution containing it; a trade name or formulation label does not establish sample purity." ], "characteristics": [ { "name": "Chemical identity", "kind": "category", "unit_or_values": "CAS 1982-47-4; formula C15H15ClN2O2; structure-linked identifiers", "why_it_matters": "Anchors recognition to a particular substance. Reference: [NIST Chemistry WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=1982-47-4)." }, { "name": "Registry cross-references", "kind": "relation", "unit_or_values": "Verified PubChem CID, EC number and source record with retrieval date", "why_it_matters": "Connects analytical and regulatory records without conflating compound identifiers with supplier substance or product identifiers." }, { "name": "Purity and grade", "kind": "measurement", "unit_or_values": "Mass fraction %, assay method, uncertainty and grade designation", "why_it_matters": "Determines whether a sample supports calibration, research or another specified activity." }, { "name": "Impurity and transformation profile", "kind": "measurement", "unit_or_values": "Named component concentrations in mg/kg or mass %, including reporting limits", "why_it_matters": "Separates intact chloroxuron from other constituents that may affect assay, stability or hazards." }, { "name": "Physical state", "kind": "state", "unit_or_values": "Observed phase and appearance at stated temperature and pressure", "why_it_matters": "Supports assessment of sample condition and applicable handling controls." }, { "name": "Thermal behaviour", "kind": "measurement", "unit_or_values": "Melting range and boiling or decomposition observations in °C, with pressure and method", "why_it_matters": "Prevents treating a decomposition observation or estimated value as a measured boiling point." }, { "name": "Solubility and partitioning", "kind": "measurement", "unit_or_values": "Solubility in mg/L by solvent, temperature and pH; dimensionless log Kow", "why_it_matters": "Supports decisions about solution preparation, extraction and environmental distribution." }, { "name": "Herbicidal function", "kind": "category", "unit_or_values": "Herbicide; independently sourced mechanism and biological endpoint records", "why_it_matters": "Connects substance identity to biological assessment. Herbicide use is recorded by [USGS](https://www.cerc.usgs.gov/data/acute/qrychemdesc.asp?Chemical=C0270)." }, { "name": "Environmental persistence and mobility", "kind": "measurement", "unit_or_values": "DT50 in days; Koc in mL/g; medium, conditions and study method", "why_it_matters": "Makes residue and transport judgements conditional on the environment actually studied." }, { "name": "Hazard and exposure constraints", "kind": "category", "unit_or_values": "Sourced GHS categories and statements; exposure limits in mg/m³ or ppm with averaging period, jurisdiction and date", "why_it_matters": "Supports handling decisions without interpreting missing classification or limit data as absence of hazard." }, { "name": "Regulatory standing", "kind": "state", "unit_or_values": "Authorised, restricted, withdrawn, prohibited or unverified, by jurisdiction, activity and effective date", "why_it_matters": "Separates historical herbicide use from present permission for a particular activity." } ], "affordances": [ "Reconcile a candidate chloroxuron record against verified identifiers and molecular structure.", "Assess whether a sample's certificate, assay and impurity profile support its proposed analytical use.", "Select an evidence-supported analytical method and interpret chloroxuron results within its validation limits.", "Assess storage or handling proposals against sample condition and an applicable safety data sheet.", "Compare residue observations with condition-matched environmental fate evidence.", "Check whether a proposed activity has adequate current regulatory evidence and identify missing authorisations." ], "agent_conduct": { "may": [ "Explain chloroxuron as a phenylurea herbicide and its registration status, from official sources.", "Report hazards and label instructions from registered product labels where it is still authorized." ], "must_not": [ "Recommend using it where it is not registered or against its label.", "Advise spraying near water bodies, crops of others or people against label restrictions.", "Dispose of herbicide residues into drains or waters.", "Present it as harmless to aquatic life." ], "requires_human": [ "Any decision to apply herbicides on land the agent manages." ] }, "ethics": { "considerations": [ "Herbicide drift and runoff harm neighbours, water and non-target plants.", "Farm workers bear most of the exposure." ], "affected_parties": [ "Farm workers", "Aquatic ecosystems", "Neighbouring growers and residents" ] }, "owners": { "steward": "The registered holder and the user; pesticide regulators control registration and use.", "master_systems": [ "National pesticide registers" ] }, "visual_identification": [ "Identified by container label, chemical name and identifier, and certificate of analysis rather than by appearance alone." ], "failure_modes_and_hazards": [ "Toxicity to aquatic organisms.", "Damage to non-target plants from drift.", "Worker exposure during mixing and spraying." ], "standards_and_regulation": [ "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), United Nations." ], "what_it_is_for": [ "Chloroxuron is encountered in historical agricultural records concerning selective weed control.", "It is also relevant to pesticide residue analysis, environmental monitoring and research on herbicide effects, where historical use does not establish present authorization." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q2964148: chloroxuron", "url": "https://www.wikidata.org/wiki/Q2964148", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Chloroxuron", "url": "https://en.wikipedia.org/wiki/Chloroxuron", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "chloroxuron-identity-and-sample", "name": "Chloroxuron identity and sample", "description": "Establishes which molecular substance and which physical sample an agent is evaluating.", "rationale": "Similar pesticide names and commercial aliases cannot substitute for structure-based identification or measured composition.", "layers": [ { "id": "molecular-recognition", "name": "Molecular recognition", "description": "Resolves the chlorophenoxy-substituted dimethylurea identity and its external records.", "findings": [ { "id": "structure-identifier-agreement", "name": "Structure and identifier agreement", "description": "Chloroxuron identification requires agreement between its molecular structure and identifier records; NIST records CAS 1982-47-4 and formula C15H15ClN2O2. Reference: [NIST Chemistry WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=1982-47-4).", "questions": [ { "text": "Does the candidate structure encode 3-[4-(4-chlorophenoxy)phenyl]-1,1-dimethylurea with the correct substitution positions?", "kind": "definition", "id": "structure-identifier-agreement-q01" }, { "text": "Which read source verifies each CAS, PubChem and EC cross-reference, and do any records disagree?", "kind": "provenance", "id": "structure-identifier-agreement-q02" } ] } ] }, { "id": "sample-composition", "name": "Sample composition", "description": "Separates the substance from technical material, analytical standards and formulated mixtures.", "findings": [ { "id": "parent-content-and-grade", "name": "Parent content and grade", "description": "A sample must carry its chloroxuron assay, grade and known additional constituents before an agent treats its total mass as active substance.", "questions": [ { "text": "What chloroxuron mass fraction was measured, by which method, and on an as-received or dry basis?", "kind": "measurement", "id": "parent-content-and-grade-q01" }, { "text": "Is this neat chloroxuron, technical material, a reference solution or a formulated product requiring a linked product model?", "kind": "boundary", "id": "parent-content-and-grade-q02" } ] } ] } ] }, { "id": "chloroxuron-properties-and-analysis", "name": "Chloroxuron properties and analysis", "description": "Captures condition-specific physical behaviour and evidence that analytical results identify the parent compound.", "rationale": "Physical constants and residue measurements are useful only when their sample, method and conditions are known.", "layers": [ { "id": "physical-and-thermal-behaviour", "name": "Physical and thermal behaviour", "description": "Records phase, solubility and thermal observations without inserting unsupported constants.", "findings": [ { "id": "conditioned-property-evidence", "name": "Conditioned property evidence", "description": "The model requires sourced property values and distinguishes measurements from estimates and decomposition events.", "questions": [ { "text": "What phase, melting range and boiling or decomposition behaviour are documented for chloroxuron at specified purity and pressure?", "kind": "measurement", "id": "conditioned-property-evidence-q01" }, { "text": "What measured solubility in water and the intended preparation solvent applies at the proposed temperature and pH?", "kind": "measurement", "id": "conditioned-property-evidence-q02" } ] } ] }, { "id": "analytical-confirmation", "name": "Analytical confirmation", "description": "Connects detection and quantification to reference material and matrix-specific validation.", "findings": [ { "id": "selective-parent-quantification", "name": "Selective parent quantification", "description": "A chloroxuron result must identify the parent selectively and disclose recovery, reporting limits and relevant interferences.", "questions": [ { "text": "Which reference standard and chromatographic or spectral criteria establish chloroxuron identity separately from related compounds?", "kind": "provenance", "id": "selective-parent-quantification-q01" }, { "text": "Do matrix validation, recovery and quantification limits support the decision being made from this result?", "kind": "action", "id": "selective-parent-quantification-q02" } ] } ] } ] }, { "id": "chloroxuron-biological-and-environmental-behaviour", "name": "Chloroxuron biological and environmental behaviour", "description": "Relates the parent substance to herbicidal effects, environmental distribution and transformation.", "rationale": "Herbicidal function alone does not establish dose response, selectivity, persistence or the identity of environmental residues.", "layers": [ { "id": "herbicidal-effect-evidence", "name": "Herbicidal effect evidence", "description": "Separates verified biological observations from assumptions based on chemical class.", "findings": [ { "id": "mechanism-and-response", "name": "Mechanism and response", "description": "Record chloroxuron-specific mechanism and response evidence with organism, exposure and endpoint; do not inherit quantitative effects from another phenylurea.", "questions": [ { "text": "Which authoritative evidence establishes chloroxuron's biochemical target and applicable herbicide mode-of-action classification?", "kind": "provenance", "id": "mechanism-and-response-q01" }, { "text": "For which species, growth stage, exposure route and dose was the reported herbicidal or non-target effect measured?", "kind": "measurement", "id": "mechanism-and-response-q02" } ] } ] }, { "id": "parent-fate-and-residues", "name": "Parent fate and residues", "description": "Tracks chloroxuron persistence and movement while keeping transformation products distinct.", "findings": [ { "id": "condition-specific-fate", "name": "Condition-specific fate", "description": "Environmental interpretation requires medium-specific degradation and sorption evidence and a clear boundary around what a residue result includes.", "questions": [ { "text": "Which measured degradation half-lives and sorption coefficients apply to the relevant soil, water or sediment conditions?", "kind": "measurement", "id": "condition-specific-fate-q01" }, { "text": "Does the reported residue quantify intact chloroxuron alone or include specified transformation products under a residue definition?", "kind": "boundary", "id": "condition-specific-fate-q02" } ] } ] } ] }, { "id": "chloroxuron-hazards-and-permitted-actions", "name": "Chloroxuron hazards and permitted actions", "description": "Connects sample-specific hazards and dated legal evidence to handling and use decisions.", "rationale": "A historical herbicide identity does not establish current permission, and formulation hazards cannot automatically be assigned to the pure substance.", "layers": [ { "id": "hazard-and-stability-evidence", "name": "Hazard and stability evidence", "description": "Maintains traceable classification, exposure and compatibility evidence for the material under consideration.", "findings": [ { "id": "applicable-hazard-controls", "name": "Applicable hazard controls", "description": "Handling decisions must use evidence applicable to chloroxuron's actual composition and condition, with unresolved hazard or stability questions recorded explicitly.", "questions": [ { "text": "Which current classification and safety data sheet apply to this chloroxuron sample, and which statements arise from other formulation ingredients?", "kind": "boundary", "id": "applicable-hazard-controls-q01" }, { "text": "What documented exposure limits, incompatibilities and storage conditions constrain the proposed handling activity?", "kind": "action", "id": "applicable-hazard-controls-q02" } ] } ] }, { "id": "jurisdiction-and-activity", "name": "Jurisdiction and activity", "description": "Distinguishes active-substance status from permissions for products and particular activities.", "findings": [ { "id": "dated-permission-evidence", "name": "Dated permission evidence", "description": "Any conclusion about chloroxuron use must name the jurisdiction, activity, effective date and authoritative record.", "questions": [ { "text": "Which current official record establishes chloroxuron's status for the proposed jurisdiction and activity?", "kind": "provenance", "id": "dated-permission-evidence-q01" }, { "text": "Does the activity require a separate product authorisation, research permission, import condition or waste-management route?", "kind": "action", "id": "dated-permission-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, not source-verified research.", "Check current regulatory status, authorized uses and hazard classifications before operational use.", "Physical constants, exposure limits, environmental persistence and grade-specific purity require verification." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of chloroxuron 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": "1982-47-4", "note": "Identifies chloroxuron as a chemical substance, rather than a formulated herbicide product." }, { "scheme": "Chemical name", "value_or_pattern": "3-[4-(4-chlorophenoxy)phenyl]-1,1-dimethylurea", "note": "Describes its substituted phenylurea structure." }, { "scheme": "Molecular formula", "value_or_pattern": "C15H15ClN2O2", "note": "Composition; molecular formula alone does not uniquely identify a substance." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of chloroxuron 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": [ "Historically used as a selective herbicide to control annual grasses and broadleaf weeds." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of chloroxuron 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": "290.75", "unit": "g/mol" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of chloroxuron 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": [ "Can injure susceptible non-target plants through its inhibition of photosynthesis.", "Weed resistance to photosystem II inhibitors can reduce herbicidal effectiveness." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of chloroxuron this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Authorization of the active substance and registration of products containing it depend on jurisdiction and date." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of chloroxuron 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": "Diuron", "difference": "Another phenylurea herbicide; diuron has a dichlorophenyl group, whereas chloroxuron has a chlorophenoxy-substituted phenyl group." }, { "name": "Chloroxuron herbicide formulation", "difference": "A formulation contains chloroxuron together with other ingredients; it is a mixture rather than the individual chemical substance." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of chloroxuron this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative records verify the PubChem CID and EC number and resolve any ambiguous commercial aliases?", "What measured melting range, boiling or decomposition behaviour, solubility and partition coefficients are reliable, and under which conditions?", "Which chloroxuron-specific studies establish mode of action, selectivity, environmental half-lives and principal transformation products?", "What current GHS classifications, occupational exposure limits and storage incompatibilities apply, and do any nitrosamine-formation concerns require condition-specific controls?", "What is chloroxuron's current legal status in the intended jurisdictions for agricultural use, analytical research, import and disposal?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 15, "questions": 23 } }