{ "model": { "rank": 6384, "code": "thing-q206348", "model_id": "vr.tr.barbiturates", "name": "barbiturates", "purpose": "Enable an AI agent to identify barbiturate substances and preparations, assess their material condition and context-dependent hazards, and determine which handling or use actions require verification or professional authorization.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q206348/", "tier": 2, "score": 60, "payload": { "layer": "wikidata", "aliases": [ "methohexital", "methohexital(1-)", "butalbital", "(RS)-pentobarbital", "thiobarbiturates", "(R)-pentobarbital", "(S)-pentobarbital" ], "aliasCount": 7, "merged": 7, "knownIn": 60, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q206348", "url": "https://www.wikidata.org/wiki/Q206348", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T14:09:43Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.04121604, "turns": 3, "seconds": 180.3, "error": null }, "codex": { "seconds": 85.6, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\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: 01a07c31-58e9-77d0-b8b9-a1fa5d6a73ba\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: barbiturates\nRegistry id: vr.tr.barbiturates\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n" } } }, "metaModel": { "id": "THING-Q206348", "registryId": "vr.tr.barbiturates", "name": "barbiturates", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q206348/", "model": { "registry_id": "vr.tr.barbiturates", "name": "barbiturates", "purpose": "Enable an AI agent to identify barbiturate substances and preparations, assess their material condition and context-dependent hazards, and determine which handling or use actions require verification or professional authorization.", "definition": "Barbiturates are 5,5-disubstituted (and often N-alkylated) pyrimidine-2,4,6-triones, including 2-thio analogues, that bind a distinct site on the GABA-A receptor, prolong chloride-channel open time and, at anaesthetic concentrations, open the channel without GABA, producing dose-dependent CNS depression from sedation through general anaesthesia.", "scope_statement": "This model owns the class-level identity and decision-relevant material properties of barbiturates under vr.tr.barbiturates in PHY / PHY.MAT, including constituent identity, preparation, analytical evidence, condition, pharmacological constraints and permitted handling; individual compounds and products remain linked instances or specializations.", "in_scope": [ "Chemical class membership, named compounds, salts and explicitly unresolved structural boundaries.", "Barbiturate content in bulk substances, medicinal preparations and mixtures.", "Evidence distinguishing declared identity, presumptive detection and confirmed composition.", "Preparation strength, material integrity, storage history and suitability for an intended handling action.", "Compound-specific effect profiles, exposure hazards and links to applicable use restrictions." ], "out_of_scope": [ "Patient diagnoses, physiological state and longitudinal clinical records.", "Prescribing decisions, individualized dosing, withdrawal regimens and poisoning treatment protocols.", "Manufacturing processes and chemical synthesis instructions.", "Complete models of benzodiazepines, opioids, alcohol and other neighbouring drug classes.", "Full pharmaceutical product, supply-chain transaction and jurisdictional law models." ], "distinguishing_features": [ "Require a named chemical identity and an explicit structural membership rule; sedation or an informal drug name alone does not establish that a substance is a barbiturate.", "Distinguish a specified barbiturate from other depressants through compound-specific documentation or analytical identification, rather than shared effects. Barbiturates overlap in effects with alcohol, benzodiazepines and other depressants. [DEA barbiturates fact sheet](https://www.dea.gov/sites/default/files/2025-01/Barbiturates-2024-Drug-Fact-Sheet.pdf)", "Resolve the active moiety, salt and formulation separately: phenobarbital sodium injection is a preparation with a stated concentration and additional ingredients, rather than an unspecified quantity of phenobarbital. [DailyMed product label](https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=b42d35de-a07a-4db5-998d-d4dbb92342cf)", "Distinguish a material containing a barbiturate from a biological specimen with a reported barbiturate signal; record the latter as evidence of detection with its own identification limits." ], "characteristics": [ { "name": "Compound and class-membership basis", "kind": "relation", "unit_or_values": "Named compound linked to a chemical identifier, structural reference and membership decision", "why_it_matters": "Prevents effects, brand names or uncertain screening results from substituting for chemical identity." }, { "name": "Chemical and preparation form", "kind": "category", "unit_or_values": "Specified parent form or salt; bulk material, tablet, capsule, solution, mixture or unresolved preparation", "why_it_matters": "Determines how quantities, compatibility and permitted routes must be interpreted." }, { "name": "Barbiturate content", "kind": "measurement", "unit_or_values": "mg/unit, mg/mL or mass fraction, with the named analyte and salt-versus-active-moiety basis", "why_it_matters": "Supports meaningful quantity comparisons without implying clinical dose equivalence." }, { "name": "Identity evidence state", "kind": "state", "unit_or_values": "Declared, presumptive, analytically confirmed, conflicting or unknown", "why_it_matters": "Limits which identification-dependent actions the available evidence supports." }, { "name": "Material suitability", "kind": "state", "unit_or_values": "Unassessed, supported for a specified purpose, quarantined, expired or rejected", "why_it_matters": "Separates having the expected name from being suitable for a particular use." }, { "name": "Effect-time profile", "kind": "measurement", "unit_or_values": "Onset and duration in minutes or hours; elimination half-life in hours, each with compound, route and evidence context", "why_it_matters": "Prevents a broad duration category from becoming a universal prediction for every preparation or exposure." }, { "name": "Interaction and vulnerability constraints", "kind": "relation", "unit_or_values": "Links to compound-specific interaction evidence and relevant clinical-context assessments", "why_it_matters": "Allows hazards to constrain actions while patient assessment remains in a neighbouring model." }, { "name": "Action authorization", "kind": "relation", "unit_or_values": "Compound or preparation linked to jurisdiction, effective date, intended action and required authority", "why_it_matters": "Prevents an agent from assuming one permission applies to every barbiturate and use." } ], "affordances": [ "Classify a documented substance as a barbiturate member, non-member or unresolved candidate.", "Compare labelled and measured content while preserving analyte identity, units and quantity basis.", "Request confirmatory identification or quarantine a preparation when identity or condition is insufficiently supported.", "Retrieve compound-specific evidence for an intended use and flag missing professional assessment.", "Check whether storage, transfer, dispensing or disposal is supported by the applicable authorization and material state.", "Route a reported hazardous exposure to an emergency assessment workflow without generating an individualized treatment plan." ] }, "sources": [ { "id": "statpearls-2024", "title": "Barbiturates", "url": "https://www.ncbi.nlm.nih.gov/books/NBK539731/", "what_it_supports": "Clinical indications, GABA-A mechanism, duration classes, dosing, therapeutic range, adverse effects, contraindications, overdose management, US FDA-approved agents, and replacement by benzodiazepines and propofol.", "url_status": "live" }, { "id": "euda-barbiturates", "title": "Barbiturates drug profile", "url": "https://www.euda.europa.eu/publications/drug-profiles/barbiturates_en", "what_it_supports": "Chemistry of the barbituric-acid scaffold (CAS 67-52-7), 5-phenyl anticonvulsant SAR, duration classification, and the twelve internationally controlled barbiturates with CAS numbers and 1971 Convention schedules.", "url_status": "live" }, { "id": "un-1971-schedules-2025", "title": "Schedules of the Convention on Psychotropic Substances of 1971, as at 6 December 2025 (ST/CND/1/Add.2/Rev.11)", "url": "https://documents.un.org/api/symbol/access?s=ST/CND/1/Add.2/Rev.11&l=en&t=pdf", "what_it_supports": "Current INN listing and schedule placement of controlled barbiturates (e.g. amobarbital, butalbital, pentobarbital in Schedule III; phenobarbital in Schedule IV).", "url_status": "live" }, { "id": "incb-psychotropics-2025", "title": "Psychotropic Substances 2025", "url": "https://www.incb.org/incb/uploads/documents/Psychotropics/technical-publications/2025/Psychotropics_2025_eBook.pdf", "what_it_supports": "International manufacture and trade: phenobarbital remains the most manufactured controlled psychotropic by mass (308 t reported in 2024).", "url_status": "live" }, { "id": "drugbank-dbcat000728", "title": "Barbiturates (category DBCAT000728)", "url": "https://go.drugbank.com/categories/DBCAT000728", "what_it_supports": "Class definition as derivatives of barbituric or thiobarbituric acid used as GABA modulators, hypnotics, anaesthetics or anticonvulsants, with member drugs.", "url_status": "blocked" }, { "id": "who-atc-n05ca", "title": "ATC code N05 - N05CA Barbiturates, plain", "url": "https://en.wikipedia.org/wiki/ATC_code_N05", "what_it_supports": "WHO ATC grouping N05CA (plain barbiturate hypnotics) and N05CB (combinations), with assigned codes such as N05CA01 pentobarbital and N05CA04 barbital.", "url_status": "live" } ], "structure": { "bundles": [ { "id": "barbiturate-identity", "name": "Barbiturate identity", "description": "Establish what the material is and why it belongs within this registry entry.", "rationale": "Shared depressant effects and ambiguous names cannot establish chemical class membership.", "layers": [ { "id": "class-membership", "name": "Class membership", "description": "Define the structural and terminological boundary of barbiturates.", "findings": [ { "id": "membership-rule", "name": "Membership rule", "description": "Record the adopted chemical definition and its treatment of related structures without assuming every derivative has the same activity.", "questions": [ { "text": "Which authoritative chemical definition determines membership in the barbiturate class?", "kind": "definition", "id": "membership-rule-q01" }, { "text": "How does that definition treat barbituric acid itself, thiobarbiturates and derivatives without established depressant activity?", "kind": "boundary", "id": "membership-rule-q02" } ] } ] }, { "id": "compound-resolution", "name": "Compound resolution", "description": "Resolve the particular substance behind a class, product or informal name.", "findings": [ { "id": "resolved-active-identity", "name": "Resolved active identity", "description": "Associate the material with a named compound, chemical form and evidence trail.", "questions": [ { "text": "Which barbiturate compound and chemical form does the label, certificate or analytical report identify?", "kind": "provenance", "id": "resolved-active-identity-q01" }, { "text": "Does the reported name denote an active compound, a salt, a brand or a combination preparation?", "kind": "definition", "id": "resolved-active-identity-q02" } ] } ] } ] }, { "id": "composition-and-identification", "name": "Composition and identification", "description": "Determine what a preparation contains and how confidently its content is known.", "rationale": "Barbiturate identity alone does not establish preparation strength, additional ingredients or analytical certainty.", "layers": [ { "id": "preparation-content", "name": "Preparation content", "description": "Represent the barbiturate component within its actual material presentation.", "findings": [ { "id": "strength-and-coingredients", "name": "Strength and coingredients", "description": "Record labelled or measured barbiturate content, its quantity basis and other ingredients relevant to the intended action.", "questions": [ { "text": "What is the barbiturate content per unit or volume, and is it expressed as the salt or active moiety?", "kind": "measurement", "id": "strength-and-coingredients-q01" }, { "text": "Which other active ingredients, solvents or preservatives must be considered before comparing or using this preparation?", "kind": "boundary", "id": "strength-and-coingredients-q02" } ] } ] }, { "id": "analytical-confidence", "name": "Analytical confidence", "description": "Keep presumptive class detection separate from compound-specific confirmation.", "findings": [ { "id": "identification-evidence", "name": "Identification evidence", "description": "Record the sample, method, reported specificity and uncertainty behind an identification.", "questions": [ { "text": "Which method and reference material support the reported identity, and does the result identify a class or a specific compound?", "kind": "provenance", "id": "identification-evidence-q01" }, { "text": "What detection limits, interferences or unresolved constituents restrict interpretation of this result?", "kind": "measurement", "id": "identification-evidence-q02" } ] } ] } ] }, { "id": "preparation-condition", "name": "Preparation condition", "description": "Assess whether the particular barbiturate material remains suitable for its proposed purpose.", "rationale": "Suitability depends on formulation-specific condition and handling evidence, not merely a correct compound name.", "layers": [ { "id": "stability-and-storage", "name": "Stability and storage", "description": "Relate documented storage and preparation history to applicable stability limits.", "findings": [ { "id": "condition-history", "name": "Condition history", "description": "Record expiry, opening or preparation events and excursions against evidence for the exact formulation.", "questions": [ { "text": "Which storage, expiry and post-opening or post-preparation limits apply to this barbiturate formulation?", "kind": "provenance", "id": "condition-history-q01" }, { "text": "Do recorded temperature, light exposure and elapsed time remain within those supported limits?", "kind": "measurement", "id": "condition-history-q02" } ] } ] }, { "id": "route-specific-integrity", "name": "Route-specific integrity", "description": "Evaluate physical integrity and quality requirements relevant to the proposed route or laboratory purpose.", "findings": [ { "id": "suitability-decision", "name": "Suitability decision", "description": "Distinguish observed appearance from documented purity, sterility or compatibility assurance.", "questions": [ { "text": "What evidence supports the required purity, container integrity and, where applicable, sterility of this preparation?", "kind": "provenance", "id": "suitability-decision-q01" }, { "text": "Do particles, precipitation, damaged packaging or missing compatibility evidence require withholding this preparation from its intended use?", "kind": "action", "id": "suitability-decision-q02" } ] } ] } ] }, { "id": "effects-and-exposure-hazards", "name": "Effects and exposure hazards", "description": "Connect a specific barbiturate to supported effect profiles and exposure-related action constraints.", "rationale": "Barbiturates can produce respiratory depression, dependence and hazardous withdrawal; these hazards require explicit assessment boundaries. [DEA barbiturates fact sheet](https://www.dea.gov/sites/default/files/2025-01/Barbiturates-2024-Drug-Fact-Sheet.pdf)", "layers": [ { "id": "compound-specific-effects", "name": "Compound-specific effects", "description": "Record effects and timing with their compound, preparation and route context.", "findings": [ { "id": "effect-profile", "name": "Effect profile", "description": "Keep intended effects, observed effects and elimination measurements distinct.", "questions": [ { "text": "Which intended effects are supported for this compound and preparation in the proposed use context?", "kind": "provenance", "id": "effect-profile-q01" }, { "text": "What evidence establishes onset, effect duration and elimination half-life, and under which route and exposure conditions?", "kind": "measurement", "id": "effect-profile-q02" } ] } ] }, { "id": "hazard-escalation", "name": "Hazard escalation", "description": "Identify exposure contexts that require clinical review or urgent assessment.", "findings": [ { "id": "exposure-constraints", "name": "Exposure constraints", "description": "Link reported exposure, coexposures and repeated-use history to professional assessment requirements.", "questions": [ { "text": "Which compound-specific interactions, contraindications and dependence or withdrawal concerns apply to the linked exposure context?", "kind": "boundary", "id": "exposure-constraints-q01" }, { "text": "Does the linked report describe suspected overdose, impaired breathing, reduced responsiveness or abrupt cessation requiring escalation through an established clinical workflow?", "kind": "action", "id": "exposure-constraints-q02" } ] } ] } ] }, { "id": "authorized-use-and-custody", "name": "Authorized use and custody", "description": "Determine which actions are supported for the identified barbiturate in its actual legal and operational context.", "rationale": "Permissions must attach to the exact substance, preparation, jurisdiction and action rather than to the class name alone.", "layers": [ { "id": "use-eligibility", "name": "Use eligibility", "description": "Connect a proposed human, veterinary or research use to the relevant product and professional authority.", "findings": [ { "id": "intended-use-authority", "name": "Intended-use authority", "description": "Record the documented basis for an intended use without treating chemical identity as clinical approval.", "questions": [ { "text": "What current label, protocol or professional authorization supports the intended use of this exact preparation?", "kind": "provenance", "id": "intended-use-authority-q01" }, { "text": "Which restrictions prevent substitution across compounds, formulations, routes or human and veterinary contexts?", "kind": "boundary", "id": "intended-use-authority-q02" } ] } ] }, { "id": "controlled-material-actions", "name": "Controlled material actions", "description": "Link proposed custody changes and disposal to current substance-specific requirements.", "findings": [ { "id": "handling-permission", "name": "Handling permission", "description": "Record the authority and evidence needed to store, transfer, dispense or dispose of the material.", "questions": [ { "text": "Which current jurisdictional classification and preparation-specific exceptions apply to this material?", "kind": "provenance", "id": "handling-permission-q01" }, { "text": "Is the proposed actor authorized for the requested handling action, and what custody or disposal record must accompany it?", "kind": "action", "id": "handling-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-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Ultra-short-acting intravenous anaesthetics (thiopental, methohexital)", "Short-acting hypnotics (pentobarbital, secobarbital)", "Intermediate-acting sedative-hypnotics (amobarbital, butalbital)", "Long-acting anticonvulsants (phenobarbital, methylphenobarbital)", "Oxybarbiturates (oxygen at C2; most oral agents)", "Thiobarbiturates (sulfur at C2; thiopental, thiamylal)", "Butalbital combination analgesics for tension-type headache", "Deoxybarbiturates used as anticonvulsants (primidone, metabolised in part to phenobarbital)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of barbiturates this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "scheme": "Wikidata", "value_or_pattern": "Q412006", "note": "Item for the barbiturate chemical/pharmacological class, not a single substance." }, { "scheme": "WHO ATC", "value_or_pattern": "N05CA*", "note": "Plain barbiturate hypnotics and sedatives (e.g. N05CA01 pentobarbital, N05CA04 barbital)." }, { "scheme": "WHO ATC", "value_or_pattern": "N05CB*", "note": "Barbiturates in combination." }, { "scheme": "DrugBank category", "value_or_pattern": "DBCAT000728", "note": "Barbiturates as a drug class." }, { "scheme": "CAS", "value_or_pattern": "67-52-7", "note": "Parent heterocycle barbituric acid (2,4,6-pyrimidinetrione); individual drugs have their own CAS numbers." }, { "scheme": "UN 1971 Convention INN", "value_or_pattern": "twelve scheduled INNs (e.g. phenobarbital, pentobarbital, secobarbital, amobarbital, butalbital, barbital)", "note": "International control is by named substance, not by the class as a whole." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of barbiturates this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "UN Convention on Psychotropic Substances, 1971 (Commission on Narcotic Drugs / INCB): twelve barbiturates in Schedules II-IV (secobarbital typically II; amobarbital, butalbital, cyclobarbital, pentobarbital III; phenobarbital, barbital and several others IV).", "WHO Expert Committee on Drug Dependence (ECDD): medical and scientific assessment that feeds CND scheduling under the 1971 Convention.", "United States Controlled Substances Act: barbiturates fall in Schedules II-IV by substance and dosage form (amobarbital, pentobarbital and secobarbital generally II except some suppository forms; phenobarbital, barbital and mephobarbital IV; many remaining derivatives III).", "US FDA labelling: currently approved clinical barbiturates include phenobarbital, methohexital, butalbital combinations, pentobarbital, primidone and amobarbital.", "American Geriatrics Society 2023 Beers Criteria: barbiturates (including butalbital, phenobarbital and primidone) listed as potentially inappropriate in older adults.", "National controlled-substance lists that implement the 1971 Convention (examples: UK Misuse of Drugs Act Class B for many agents; Germany BtMG Anlage III; Canada CDSA Schedule IV; Brazil Class B1)." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of barbiturates this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Phenobarbital as a low-cost first-line antiepileptic in many low-resource countries and as a standard treatment for neonatal seizures.", "Parenteral phenobarbital or pentobarbital for benzodiazepine-resistant or refractory status epilepticus, and high-dose barbiturate coma for refractory intracranial hypertension after severe traumatic brain injury.", "Methohexital for electroconvulsive therapy (preferred because it lengthens seizure duration) and for short procedural sedation.", "Butalbital combined with aspirin or acetaminophen plus caffeine (Fiorinal, Fioricet and generics) for tension-type headache.", "Primidone for essential tremor and as an anticonvulsant.", "Veterinary euthanasia solutions based on pentobarbital, and use of pentobarbital or (historically) thiopental in some US lethal-injection protocols.", "Largely displaced as routine hypnotics and anxiolytics by benzodiazepines, and as the default IV induction agent by propofol (thiopental withdrawn from the US market in 2011)." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of barbiturates this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "quantity": "Phenobarbital therapeutic serum concentration", "typical_range": "10-30", "unit": "mg/L" }, { "quantity": "Phenobarbital concentration associated with fatality", "typical_range": "~80", "unit": "mg/L" }, { "quantity": "Phenobarbital adult oral bioavailability", "typical_range": "~90", "unit": "%" }, { "quantity": "Phenobarbital time to peak plasma concentration", "typical_range": "2-4", "unit": "h" }, { "quantity": "Clinical duration of action (by class)", "typical_range": "ultra-short: minutes after IV bolus (redistribution); short/intermediate: 2-6; long: >6", "unit": "h" }, { "quantity": "Phenobarbital IV loading dose (status epilepticus / neonates)", "typical_range": "15-20", "unit": "mg/kg" }, { "quantity": "Reported world manufacture of phenobarbital (INCB, 2024)", "typical_range": "308", "unit": "t" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of barbiturates this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Dose-dependent respiratory depression, apnoea and cardiovascular collapse; there is no specific antidote, only supportive care, urinary alkalinisation, multi-dose charcoal and, in severe cases, extracorporeal removal.", "Narrow therapeutic index; overdose has historically been a leading method of fatal self-poisoning among sedative-hypnotics.", "Physical dependence with life-threatening withdrawal (tremor, delirium, seizures, autonomic instability) after abrupt stop, especially of short- and intermediate-acting agents and chronic butalbital combinations.", "Strong induction of CYP1A2, 2B6, 2C9 and 3A4/5, reducing efficacy of warfarin, steroids, other antiepileptics, immunosuppressants and hormonal contraceptives.", "Induction of ALA synthetase with precipitation of acute hepatic porphyrias (absolute contraindication).", "Teratogenicity of phenobarbital monotherapy (major malformations) and neonatal depression or sedation via placental and breast-milk transfer.", "Severe cutaneous and hepatic reactions, including DRESS, Stevens-Johnson syndrome and toxic epidermal necrolysis, especially with phenobarbital.", "Thiopental extravasation causing tissue necrosis (vesicant); histamine release with some thiobarbiturates.", "Medication-overuse headache and dependence from repeated butalbital combination analgesics.", "Additive CNS and respiratory depression with opioids, benzodiazepines and alcohol." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of barbiturates this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "British Approved Names historically used the -one ending (phenobarbitone, amylobarbitone, barbitone) where USAN/INN use -al (phenobarbital, amobarbital, barbital).", "Phenobarbital remains a first-line antiepileptic in many low- and middle-income countries because of cost; in high-income practice it is largely second-line except in neonates and selected refractory settings.", "Thiopental has been unavailable in the United States since the 2011 manufacturing withdrawal tied to lethal-injection use; it remains in use as an induction and neuroanaesthetic agent in some other jurisdictions.", "US CSA schedules do not map one-to-one onto the 1971 Convention Green List; notably, butalbital-acetaminophen-caffeine (Fioricet) is exempt from US controlled-substance status, while butalbital-aspirin-caffeine (Fiorinal) remains Schedule III.", "National lists differ in tightness: many barbiturates are UK Class B, German Anlage III (special prescription form), Canadian Schedule IV, and Brazilian Class B1.", "Some intermediate-acting agents (e.g. allobarbital) saw more use in parts of Central and Eastern Europe than in North America." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of barbiturates this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "name": "Benzodiazepines", "difference": "Both are GABA-A positive allosteric modulators, but they occupy different sites; benzodiazepines only increase GABA's effect, whereas barbiturates prolong channel open time and can directly gate the channel at high concentration. Flumazenil reverses benzodiazepines and does not reverse barbiturates." }, { "name": "Propofol", "difference": "Replaced thiopental as the usual IV induction agent; it is a hindered phenol, not a pyrimidinetrione. Distinguished by structure (GC-MS/LC-MS) and by a typically faster offset without barbiturate immunoassay reactivity." }, { "name": "Barbituric acid", "difference": "The unsubstituted parent heterocycle (CAS 67-52-7) lacks CNS activity because it is insufficiently lipophilic; activity requires 5,5-disubstitution (and often N-alkylation or C2 sulfur)." }, { "name": "Z-drugs (e.g. zolpidem)", "difference": "Non-benzodiazepine hypnotics that act at the benzodiazepine site of GABA-A, not the barbiturate site; effects are flumazenil-sensitive, unlike barbiturate effects." }, { "name": "Glutethimide and related piperidinediones", "difference": "Historically used as non-barbiturate sedative-hypnotics with a similar clinical picture; the heterocycle is a glutarimide, separated from barbiturates by GC-MS or LC-MS." }, { "name": "Hydantoin anticonvulsants (phenytoin)", "difference": "Share a related ureide chemistry and anticonvulsant use, but do not act as barbiturate-site GABA-A channel openers; distinguished by structure and by sodium-channel rather than chloride-channel pharmacology." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of barbiturates this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative definition should settle the boundary around barbituric acid, thiobarbiturates and structurally related compounds without established pharmacological activity?", "Does an existing Vercy world model already own this concept, requiring vr.tr.barbiturates to link to it rather than become a separate publication?", "Which compound- and formulation-specific references provide adequate coverage of stability, compatibility and effect timing without unsupported class-wide extrapolation?", "Which analytical methods and reporting conventions support reliable distinctions between class screening, confirmed compound identity and quantified content across material and biological samples?", "Which jurisdictions and human, veterinary or research contexts must be covered initially, and how will their changing authorizations be maintained?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "chemical substance or material", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a barbiturates, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to identify barbiturate substances and preparations, assess their material condition and context-dependent hazards, and determine which handling or use actions require verification or professional authorization.", "characteristics": { "substance": "material", "origin": "natural", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured", "consumed or used up" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: methohexital, methohexital(1-), butalbital, (RS)-pentobarbital, thiobarbiturates, (R)-pentobarbital, (S)-pentobarbital.", "7 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 60 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a barbiturates, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state", "use it up, and then need more of it" ], "howItIsRecognised": [ "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "methohexital", "methohexital(1-)", "butalbital", "(RS)-pentobarbital", "thiobarbiturates", "(R)-pentobarbital", "(S)-pentobarbital" ] } ], "standing": "Described in 60 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 7 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one barbiturates from another, and a barbiturates from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a barbiturates sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a barbiturates from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "form-and-composition", "name": "Form, composition and condition", "description": "What a barbiturates is made of, what shape and size it takes, and what state it is in.", "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.", "layers": [ { "id": "form-and-dimensions", "name": "Form and dimensions", "description": "Shape, size, mass and the ranges these take across examples.", "findings": [ { "id": "measurable-dimensions", "name": "Measurable dimensions and their units", "description": "The quantities worth recording and the units they are recorded in.", "questions": [ { "id": "measurable-dimensions-q01", "text": "What identifies and describes the dimensions of a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "measurable-dimensions-q02", "text": "Who or what asserted this about the dimensions of a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "measurable-dimensions-q03", "text": "What may an agent decide or do once the dimensions of a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "material-and-composition", "name": "Material and composition", "description": "Materials, parts and how they are put together.", "findings": [ { "id": "parts-and-materials", "name": "Parts and materials", "description": "What a barbiturates is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "parts-and-materials-q02", "text": "Who or what asserted this about the composition of a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "parts-and-materials-q03", "text": "What may an agent decide or do once the composition of a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "condition-and-integrity", "name": "Condition and integrity", "description": "Wear, damage, health and the difference between working and broken.", "findings": [ { "id": "condition-assessment", "name": "Condition, damage and health", "description": "How the condition of a barbiturates is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "condition-assessment-q02", "text": "Who or what asserted this about the condition of a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "condition-assessment-q03", "text": "What may an agent decide or do once the condition of a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "place-and-movement", "name": "Place and movement", "description": "Where a barbiturates is, how it got there and where it may go (varies).", "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.", "layers": [ { "id": "location-and-placement", "name": "Location and placement", "description": "Position, containment and the reference frame the position is given in.", "findings": [ { "id": "position-and-frame", "name": "Position, container and reference frame", "description": "Where a barbiturates is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "position-and-frame-q02", "text": "Who or what asserted this about the location of a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "position-and-frame-q03", "text": "What may an agent decide or do once the location of a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "movement-and-transfer", "name": "Movement and transfer", "description": "How a barbiturates is carried, installed or relocated.", "findings": [ { "id": "movement-events", "name": "Movement events and constraints", "description": "What counts as a movement, what records it and what limits it.", "questions": [ { "id": "movement-events-q01", "text": "What identifies and describes the movement of a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "movement-events-q02", "text": "Who or what asserted this about the movement of a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "movement-events-q03", "text": "What may an agent decide or do once the movement of a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a barbiturates passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a barbiturates between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a barbiturates, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a barbiturates is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "use-and-operation", "name": "Use and operation", "description": "What can be done with a barbiturates and what it takes to do it.", "rationale": "An agent that can recognise a thing but not act on it has only half a model.", "layers": [ { "id": "intended-use", "name": "Intended use and function", "description": "What a barbiturates is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a barbiturates performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "function-and-purpose-q02", "text": "Who or what asserted this about the use of a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "function-and-purpose-q03", "text": "What may an agent decide or do once the use of a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "handling-and-procedure", "name": "Handling and procedure", "description": "The steps, skills and tools involved in using a barbiturates.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a barbiturates at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "procedures-and-skills-q02", "text": "Who or what asserted this about handling a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "procedures-and-skills-q03", "text": "What may an agent decide or do once handling a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "supply-and-consumption", "name": "Supply and consumption", "description": "Quantities, rates and what running out means.", "findings": [ { "id": "consumption-and-stock", "name": "Consumption, stock and replenishment", "description": "How much of a barbiturates there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "consumption-and-stock-q02", "text": "Who or what asserted this about the supply of a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "consumption-and-stock-q03", "text": "What may an agent decide or do once the supply of a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "composition-and-identity", "name": "Composition, grade and chemical identity", "description": "What barbiturates is made of and how pure the thing in hand is.", "rationale": "Grade decides what a substance may be used for, so a model that records only the name cannot support any decision about use.", "layers": [ { "id": "chemical-identity", "name": "Chemical identity", "description": "Formula, structure and the registry numbers that name it unambiguously.", "findings": [ { "id": "identity-record", "name": "Identity and registry numbers", "description": "What identifies this substance across suppliers and regulators.", "questions": [ { "id": "identity-record-q01", "text": "What formula, structure and registry identifiers name barbiturates unambiguously?", "kind": "definition" }, { "id": "identity-record-q02", "text": "Which related substances share a name in common use but not an identifier?", "kind": "boundary" } ] } ] }, { "id": "grade-and-impurities", "name": "Grade, purity and impurities", "description": "The specification a batch meets and what else is in it.", "findings": [ { "id": "specification", "name": "Specification and assay", "description": "How purity is stated and measured, and which impurities matter.", "questions": [ { "id": "specification-q01", "text": "What grades of barbiturates exist, how is purity assayed, and which impurities are limited?", "kind": "measurement" }, { "id": "specification-q02", "text": "Which use requires which grade, and what happens when a lower grade is substituted?", "kind": "action" } ] } ] } ] }, { "id": "properties-and-behaviour", "name": "Properties and behaviour", "description": "How barbiturates behaves under conditions an agent can measure or change.", "rationale": "Physical constants are the part of a substance model that transfers between contexts, and each needs its unit and its conditions.", "layers": [ { "id": "physical-constants", "name": "Physical constants", "description": "Values that hold for the pure substance, with their conditions.", "findings": [ { "id": "constants-record", "name": "Constants and conditions", "description": "The quantities worth recording and the state they apply in.", "questions": [ { "id": "constants-record-q01", "text": "What are the defining physical constants of barbiturates, in what units and under what conditions?", "kind": "measurement" }, { "id": "constants-record-q02", "text": "Which of these values change with grade or form rather than being fixed?", "kind": "boundary" } ] } ] }, { "id": "stability-and-reactivity", "name": "Stability and reactivity", "description": "What it reacts with, degrades into, and how it is stored.", "findings": [ { "id": "incompatibilities", "name": "Incompatibilities and degradation", "description": "What must not meet it, and what it becomes over time.", "questions": [ { "id": "incompatibilities-q01", "text": "What is barbiturates incompatible with, and what does it degrade into under storage?", "kind": "definition" }, { "id": "incompatibilities-q02", "text": "What storage and handling does that require, and who is competent to do it?", "kind": "action" } ] } ] } ] }, { "id": "hazard-and-regulation", "name": "Hazard classification and regulation", "description": "How barbiturates can harm, and what the law says about holding and moving it.", "rationale": "A substance model without its hazard class and its regulatory identity is unusable in exactly the situations that matter.", "layers": [ { "id": "hazard-class", "name": "Hazard classification", "description": "Classified hazards, exposure limits and protective measures.", "findings": [ { "id": "classified-hazards", "name": "Classified hazards and limits", "description": "The classification, the scheme it belongs to, and the limits set.", "questions": [ { "id": "classified-hazards-q01", "text": "How is barbiturates classified for hazard, under which scheme, and what exposure limits apply?", "kind": "definition" }, { "id": "classified-hazards-q02", "text": "What protection does handling require, and what must an agent refuse to do without it?", "kind": "action" } ] } ] }, { "id": "regulatory-identity", "name": "Regulatory identity and control", "description": "Registration, restriction and transport rules by jurisdiction.", "findings": [ { "id": "controls", "name": "Controls and jurisdiction", "description": "Where it is restricted and what the restriction attaches to.", "questions": [ { "id": "controls-q01", "text": "Which registrations, restrictions or transport rules cover barbiturates, and where?", "kind": "provenance" }, { "id": "controls-q02", "text": "Does the control attach to the substance, its concentration, or its intended use?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a barbiturates came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a barbiturates and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a barbiturates is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a barbiturates, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a barbiturates, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a barbiturates is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 9, "layers": 20, "findings": 22, "questions": 60 } } } }