{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T08:39:57Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 16.1, "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-cd2f-7570-b6a8-289b286a3640\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: chlorthiamid\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 re", "usd": 0.0, "recall": true }, "codex": { "seconds": 77.6, "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-cd32-7941-b847-a0f5674dc1d0\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: chlorthiamid\nRegistry id: vr.tr.chlorthiamid\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:49:52+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-Q411727", "registryId": "vr.tr.chlorthiamid", "name": "chlorthiamid", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q411727/", "model": { "registry_id": "vr.tr.chlorthiamid", "name": "chlorthiamid", "purpose": "Enable an agent to recognise chlorthiamid, assess the identity and condition of material containing it, and determine which handling, analysis or use decisions have adequate evidence.", "definition": "Chlorthiamid is 2,6-dichlorobenzothioamide, a synthetic herbicide that can transform into the herbicidally active compound dichlobenil.", "scope_statement": "This model owns chlorthiamid as the chemical substance registered as vr.tr.chlorthiamid in PHY.MAT, including identity, grade, measured properties, transformation relationships and substance-specific action constraints.", "in_scope": [ "Molecular identity and reconciliation of chlorthiamid identifiers and spelling variants", "Purity, impurities and condition of chlorthiamid material", "Physical properties with measurement conditions and uncertainty", "Analytical discrimination of chlorthiamid from related substances", "Transformation, environmental occurrence and herbicidal-role evidence", "Substance-specific hazards and jurisdiction-dependent restrictions" ], "out_of_scope": [ "Commercial herbicide formulations, carriers, packaging and product labels as complete products", "Manufacturing routes and production equipment", "Dichlobenil and other transformation products as independently modelled substances", "Field application programmes and weed-management operations", "Contaminated sites, exposure events and remediation projects as complete systems" ], "distinguishing_features": [ "Match CAS 1918-13-4 and InChIKey KGKGSIUWJCAFPX-UHFFFAOYSA-N to the recorded structure rather than relying on spelling alone. [NIST Chemistry WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=C1918134&Mask=200)", "Require the 2,6-dichlorobenzenecarbothioamide structure and formula C7H5Cl2NS; a matching formula without substitution-position evidence is insufficient. [NIST Chemistry WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=C1918134&Mask=200)", "Resolve chlorthiamide and chlorthioamide as documented name variants when their identifiers agree. [NIST Chemistry WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=C1918134&Mask=200)", "Require analytical evidence for the parent substance: a dichlobenil result alone does not establish chlorthiamid identity or concentration.", "Distinguish a chlorthiamid substance lot from a formulated product by recording active-substance fraction and other constituents." ], "characteristics": [ { "name": "Chemical identity", "kind": "category", "unit_or_values": "CAS 1918-13-4; formula C7H5Cl2NS; structure-linked identifiers", "why_it_matters": "Anchors name reconciliation to a defined chemical entity. [NIST Chemistry WebBook](https://webbook.nist.gov/cgi/cbook.cgi?ID=C1918134&Mask=200)" }, { "name": "Identifier crosswalk", "kind": "relation", "unit_or_values": "Registry id, CAS, PubChem CID, EC number and source-record links; unresolved mappings explicitly marked", "why_it_matters": "Allows evidence retrieval without silently merging records for products or related substances." }, { "name": "Chlorthiamid assay and grade", "kind": "measurement", "unit_or_values": "Mass % with as-received or dry basis, method, uncertainty and stated grade", "why_it_matters": "Determines how much parent substance is present and whether a lot meets the requirements of a proposed activity." }, { "name": "Related-substance profile", "kind": "measurement", "unit_or_values": "mg/kg or mass % for individually identified impurities and transformation products", "why_it_matters": "Separates parent-substance content from contamination or chemical conversion." }, { "name": "Physical and thermal condition", "kind": "state", "unit_or_values": "Observed phase at temperature and pressure; melting, boiling or decomposition observations in °C with method", "why_it_matters": "Supports recognition of altered material and avoids treating decomposition as a boiling point." }, { "name": "Solubility and partition behaviour", "kind": "measurement", "unit_or_values": "Solubility in mg/L; vapour pressure in Pa; log Kow dimensionless; Koc in L/kg, each with conditions", "why_it_matters": "Supports sample preparation and assessment of possible transport between environmental compartments." }, { "name": "Parent-substance analytical result", "kind": "measurement", "unit_or_values": "mg/kg in solids or µg/L in water, with matrix, recovery, detection limit and quantification limit", "why_it_matters": "Distinguishes a quantified result from a tentative identification or non-detect." }, { "name": "Transformation relationship", "kind": "relation", "unit_or_values": "Parent, identified product, medium, conditions, elapsed time and supporting study", "why_it_matters": "Keeps evidence about chlorthiamid separate from evidence about substances formed from it." }, { "name": "Hazard and authorisation state", "kind": "state", "unit_or_values": "Classification scheme, jurisdiction, effective date, exposure limits where established, permitted activity and evidence status", "why_it_matters": "Makes action decisions depend on applicable evidence rather than a historical herbicide designation." } ], "affordances": [ "Reconcile a sample label or catalogue record with the structure-defined chlorthiamid identity.", "Compare lot assay and impurity evidence against requirements for analysis, storage or another proposed activity.", "Select and assess a validated analytical method that distinguishes chlorthiamid from related substances.", "Track parent-substance loss and identified product formation under recorded conditions.", "Evaluate whether current hazard evidence and jurisdiction-specific permissions support a proposed handling or use action." ], "agent_conduct": { "may": [ "Describe chlorthiamid as a herbicide that converts to dichlobenil in soil.", "Report its regulatory status and hazards from authoritative sources." ], "must_not": [ "Apply or recommend applying it where it is not approved.", "Release it near water bodies, drains or crops it can harm.", "Advise use without the protective equipment and records the law requires.", "Suggest using it to harm a neighbour's plants or property." ], "requires_human": [ "Any application decision on land, including disposal of old stock." ] }, "ethics": { "considerations": [ "Persistent herbicides can damage soil, water and plants far beyond the target." ], "affected_parties": [ "Farm and garden workers", "Neighbouring land users", "Aquatic life" ] }, "owners": { "steward": "The person or business that holds it; pesticide regulators control approval and disposal.", "master_systems": [ "National pesticide registers" ] }, "visual_identification": [ "A white crystalline solid or a granular formulation; identity must be confirmed by label and registration." ], "failure_modes_and_hazards": [ "Breaks down to dichlobenil, which persists and can contaminate groundwater.", "Harmful if swallowed and toxic to aquatic organisms." ], "standards_and_regulation": [ "Regulation (EC) No 1107/2009 concerning the placing of plant protection products on the market, European Union." ], "what_it_is_for": [ "Chlorthiamid is encountered in historical herbicide records and research on chemical weed control.", "Environmental and analytical investigations may consider it alongside dichlobenil when assessing chemical transformation and residues." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q411727: chlorthiamid", "url": "https://www.wikidata.org/wiki/Q411727", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Chlorthiamide", "url": "https://en.wikipedia.org/wiki/Chlorthiamide", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "chlorthiamid-identity", "name": "Chlorthiamid identity", "description": "Recognise the registered substance across structural identifiers and name variants.", "rationale": "Similar names, historical aliases and product names must not cause incorrect chemical identification.", "layers": [ { "id": "molecular-boundary", "name": "Molecular boundary", "description": "Establish the structure that defines this registry entry.", "findings": [ { "id": "structure-anchored-recognition", "name": "Structure-anchored recognition", "description": "Identity assessment must establish the 2,6 substitution pattern and carbothioamide group, not merely a formula or herbicide association.", "questions": [ { "text": "Does the candidate record resolve to the structure associated with CAS 1918-13-4?", "kind": "definition", "id": "structure-anchored-recognition-q01" }, { "text": "What structural or analytical evidence excludes positional isomers and related compounds?", "kind": "boundary", "id": "structure-anchored-recognition-q02" } ] } ] }, { "id": "names-and-authority-records", "name": "Names and authority records", "description": "Connect names and external identifiers without assuming every label names the pure substance.", "findings": [ { "id": "qualified-identifier-crosswalk", "name": "Qualified identifier crosswalk", "description": "Each alias and identifier mapping needs a source and a decision about whether it denotes the substance or a containing product.", "questions": [ { "text": "Which consulted authority supports each spelling variant, PubChem mapping and EC number?", "kind": "provenance", "id": "qualified-identifier-crosswalk-q01" }, { "text": "Does a historical trade-name record identify chlorthiamid itself or a particular formulation?", "kind": "boundary", "id": "qualified-identifier-crosswalk-q02" } ] } ] } ] }, { "id": "chlorthiamid-material-quality", "name": "Chlorthiamid material quality", "description": "Assess how a specific lot or sample relates to the defined substance.", "rationale": "Identity alone does not establish parent-substance content, grade or suitability.", "layers": [ { "id": "assay-and-grade", "name": "Assay and grade", "description": "Record actual chlorthiamid content and the basis of quality claims.", "findings": [ { "id": "parent-content-evidence", "name": "Parent-content evidence", "description": "Grade descriptions must be supported by a lot-specific assay with an explicit reporting basis.", "questions": [ { "text": "What mass fraction of chlorthiamid was measured, by which method and on which moisture basis?", "kind": "measurement", "id": "parent-content-evidence-q01" }, { "text": "Which certificate, sampling event and lot establish the claimed grade?", "kind": "provenance", "id": "parent-content-evidence-q02" } ] } ] }, { "id": "impurities-and-change", "name": "Impurities and change", "description": "Distinguish original constituents from changes occurring during storage or sampling.", "findings": [ { "id": "related-substance-accounting", "name": "Related-substance accounting", "description": "Track identified related substances separately; their presence alone does not establish when or how they formed.", "questions": [ { "text": "Which impurities or transformation products are quantified, and what fraction remains unidentified?", "kind": "measurement", "id": "related-substance-accounting-q01" }, { "text": "What paired measurements and storage history support attributing a composition change to chlorthiamid conversion?", "kind": "provenance", "id": "related-substance-accounting-q02" } ] } ] } ] }, { "id": "chlorthiamid-properties-and-analysis", "name": "Chlorthiamid properties and analysis", "description": "Connect physical behaviour with reliable parent-substance measurement.", "rationale": "Property values and analytical results are useful only when their conditions and chemical specificity are known.", "layers": [ { "id": "conditional-physical-properties", "name": "Conditional physical properties", "description": "Record measured phase, thermal behaviour and solvent-dependent properties.", "findings": [ { "id": "conditioned-property-evidence", "name": "Conditioned property evidence", "description": "Retain temperature, pressure, purity and method with each property; mark estimates and missing measurements explicitly.", "questions": [ { "text": "What phase and melting behaviour are reported for chlorthiamid of known purity, and is decomposition observed?", "kind": "measurement", "id": "conditioned-property-evidence-q01" }, { "text": "Which measured solubility and vapour-pressure values apply to the solvent and temperature of the proposed activity?", "kind": "action", "id": "conditioned-property-evidence-q02" } ] } ] }, { "id": "selective-parent-measurement", "name": "Selective parent measurement", "description": "Assess whether a method specifically measures chlorthiamid in the relevant matrix.", "findings": [ { "id": "validated-analyte-discrimination", "name": "Validated analyte discrimination", "description": "A usable result needs parent-specific identification, matrix validation and evidence that preparation does not materially change the analyte.", "questions": [ { "text": "How does the method distinguish chlorthiamid from dichlobenil and other co-occurring analytes?", "kind": "measurement", "id": "validated-analyte-discrimination-q01" }, { "text": "What recovery, holding-time and stability evidence supports measuring chlorthiamid in this sample matrix?", "kind": "provenance", "id": "validated-analyte-discrimination-q02" } ] } ] } ] }, { "id": "chlorthiamid-transformation-and-role", "name": "Chlorthiamid transformation and role", "description": "Represent parent-to-product relationships and the evidence connecting them to herbicidal behaviour.", "rationale": "The recorded proherbicide role makes transformation evidence relevant to interpreting both activity and residues. [ChEBI](https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI%3A949)", "layers": [ { "id": "parent-product-pathways", "name": "Parent-product pathways", "description": "Record experimentally supported conversion pathways under specified conditions.", "findings": [ { "id": "qualified-dichlobenil-relationship", "name": "Qualified dichlobenil relationship", "description": "Dichlobenil is reported as a major metabolite; rates, yields and applicability to a particular medium require study-specific evidence. [ICSC 0852](https://www.inchem.org/documents/icsc/icsc/eics0852.htm)", "questions": [ { "text": "Which studies directly establish chlorthiamid conversion to dichlobenil, in which media and conditions?", "kind": "provenance", "id": "qualified-dichlobenil-relationship-q01" }, { "text": "What parent loss, product yield and mass balance were measured over time?", "kind": "measurement", "id": "qualified-dichlobenil-relationship-q02" } ] } ] }, { "id": "activity-and-residue-attribution", "name": "Activity and residue attribution", "description": "Separate the substance's functional role from attribution of environmental observations.", "findings": [ { "id": "bounded-role-inference", "name": "Bounded role inference", "description": "Record whether activity or residue evidence concerns chlorthiamid, a transformation product or a mixture; retain uncertainty about the original source.", "questions": [ { "text": "What evidence distinguishes effects of the parent substance from effects mediated by its transformation products?", "kind": "definition", "id": "bounded-role-inference-q01" }, { "text": "Can the observed residue support attribution to chlorthiamid, or are alternative precursors or direct inputs unresolved?", "kind": "boundary", "id": "bounded-role-inference-q02" } ] } ] } ] }, { "id": "chlorthiamid-action-constraints", "name": "Chlorthiamid action constraints", "description": "Determine whether substance-specific evidence supports a proposed activity.", "rationale": "Chemical identity and historical function do not establish present handling requirements or legal permission.", "layers": [ { "id": "hazard-and-exposure-evidence", "name": "Hazard and exposure evidence", "description": "Associate classifications and controls with their substance, form and evidence basis.", "findings": [ { "id": "applicable-hazard-assessment", "name": "Applicable hazard assessment", "description": "Keep chlorthiamid hazard records distinct from classifications of formulations and related substances.", "questions": [ { "text": "Which current classification and safety document apply to chlorthiamid at this purity and physical form?", "kind": "provenance", "id": "applicable-hazard-assessment-q01" }, { "text": "What exposure controls and limits, if established, apply to the proposed operation?", "kind": "action", "id": "applicable-hazard-assessment-q02" } ] } ] }, { "id": "jurisdiction-and-activity", "name": "Jurisdiction and activity", "description": "Resolve permissions for a specified place, date and intended activity.", "findings": [ { "id": "dated-activity-permission", "name": "Dated activity permission", "description": "Assess research possession, supply, agricultural use and disposal separately using applicable records.", "questions": [ { "text": "Which authority record establishes chlorthiamid's status for the proposed activity in the relevant jurisdiction and date?", "kind": "provenance", "id": "dated-activity-permission-q01" }, { "text": "Does the evidence authorise this activity and material, or does permission remain unresolved?", "kind": "action", "id": "dated-activity-permission-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 recall-based information; no sources were consulted.", "Verify CAS, PubChem and EC identifiers, physical constants, purity specifications and hazard classifications before adding them.", "Historical use does not establish current authorization; registration status and permitted uses require jurisdiction-specific checking." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of chlorthiamid 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 name", "value_or_pattern": "2,6-dichlorobenzothioamide", "note": "Also called 2,6-dichlorothiobenzamide." }, { "scheme": "Molecular formula", "value_or_pattern": "C7H5Cl2NS", "note": "Describes composition but does not uniquely identify molecular structure." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of chlorthiamid 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 residual herbicide for vegetation control." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of chlorthiamid 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": [ "Herbicidal activity can damage non-target vegetation.", "Transformation into dichlobenil means disappearance of the parent substance does not necessarily end herbicidal activity." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of chlorthiamid 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": "Dichlobenil", "difference": "Dichlobenil is 2,6-dichlorobenzonitrile, with a nitrile group where chlorthiamid has a thioamide group; it is a distinct substance and transformation product." }, { "name": "Chlorthiamid-containing herbicide formulation", "difference": "A formulation contains chlorthiamid together with other ingredients; the registered substance denotes the active chemical itself." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of chlorthiamid this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative EC number and complete external-identifier crosswalk should be adopted for this registry entry?", "What primary measurements establish melting behaviour, decomposition, solubility, vapour pressure and partition properties under relevant conditions?", "Which studies quantify chlorthiamid-to-dichlobenil conversion and subsequent products, and how do conditions change rates and yields?", "Which validated methods preserve and separately quantify chlorthiamid in technical material, soil and water?", "What current jurisdiction-specific classifications, exposure limits and permissions apply to the activities this model must support?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 15, "questions": 25 } }