{ "model": { "rank": 5927, "code": "thing-q182990", "model_id": "vr.tr.uracil", "name": "uracil", "purpose": "Enable an AI agent to recognise uracil, assess the identity and condition of uracil-bearing material, and determine whether it is suitable for a specified analytical or experimental use.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q182990/", "tier": 2, "score": 64, "payload": { "layer": "wikidata", "aliases": [ "2-uracil c-13", "Uracil-15N2", "(2-¹³C,¹⁵N₂)Pyrimidine-2,4(1H,3H)-dione", "(6-³H)Pyrimidine-2,4-diol", "2,4(1H,3H)-Pyrimidinedione-14C" ], "aliasCount": 5, "merged": 5, "knownIn": 64, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q182990", "url": "https://www.wikidata.org/wiki/Q182990", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T10:08:45Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.00311848, "turns": 1, "seconds": 15.4, "error": null }, "codex": { "seconds": 76.8, "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: 01a07b56-4e63-7241-816a-cafbbf0749c3\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: uracil\nRegistry id: vr.tr.uracil\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy mod" } } }, "metaModel": { "id": "THING-Q182990", "registryId": "vr.tr.uracil", "name": "uracil", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q182990/", "model": { "registry_id": "vr.tr.uracil", "name": "uracil", "purpose": "Enable an AI agent to recognise uracil, assess the identity and condition of uracil-bearing material, and determine whether it is suitable for a specified analytical or experimental use.", "definition": "Uracil is a pyrimidine nucleobase (C4H4N2O2) that pairs with adenine in RNA and is the demethylated analogue of thymine in DNA.", "scope_statement": "This model owns vr.tr.uracil in PHY / PHY.MAT: the chemical identity of uracil, its measured presence and state in material, and evidence supporting its use; covalently incorporated uracil is represented through relations to the owning molecule.", "in_scope": [ "Uracil identity and discrimination from related nucleobases and substituted analogues", "Free uracil in solids, solutions and mixtures", "Measured amount, purity and analytical identification confidence", "Condition-dependent protonation, tautomeric representation and physical state", "Sample origin, preparation history and fitness for a specified use" ], "out_of_scope": [ "Uridine, deoxyuridine and uridine nucleotides as independent chemical entities", "RNA or DNA sequence, structure and integrity", "Substituted uracil derivatives and their pharmacology", "Whole-organism pyrimidine metabolism and enzyme behaviour", "Clinical interpretation of uracil measurements", "Complete solvent, formulation and laboratory workflow models" ], "distinguishing_features": [ "Require the pyrimidine ring with oxo groups at positions 2 and 4 and the neutral-parent formula C4H4N2O2; formula alone does not establish connectivity. [ChEBI uracil](https://www.ebi.ac.uk/chebi/CHEBI%3A17568)", "Check the C5 substituent to distinguish unsubstituted uracil from methylated or halogenated analogues.", "Check the C4 functional group to distinguish the uracil assignment from a cytosine assignment.", "Check for covalently attached sugar and phosphate before classifying a signal as free uracil rather than a nucleoside or nucleotide.", "Require reference-matched analytical evidence capable of resolving the plausible alternatives; an RNA-associated label or single unresolved peak is insufficient." ], "characteristics": [ { "name": "Chemical identity assignment", "kind": "category", "unit_or_values": "confirmed uracil | tentative uracil | unresolved | excluded", "why_it_matters": "Controls whether uracil-specific interpretation and use are justified." }, { "name": "Molecular context", "kind": "relation", "unit_or_values": "free base in identified material | covalent moiety in identified molecule | unresolved", "why_it_matters": "Prevents treating a uracil-containing molecule as an equivalent amount of available free uracil." }, { "name": "Uracil quantity", "kind": "measurement", "unit_or_values": "mol, mg, mol/L or mg/L, with matrix, uncertainty and reporting basis", "why_it_matters": "Supports preparation, comparison and material accounting." }, { "name": "Uracil purity", "kind": "measurement", "unit_or_values": "mass fraction or molar fraction; report chromatographic area percentage separately", "why_it_matters": "Distinguishes chemical content from a detector-dependent purity estimate." }, { "name": "Physical availability", "kind": "state", "unit_or_values": "solid | dissolved | partly dissolved | precipitated | unknown", "why_it_matters": "Determines whether nominal uracil loading represents the concentration available to an operation." }, { "name": "Solution conditions", "kind": "measurement", "unit_or_values": "pH where meaningful, temperature in °C, and solvent composition", "why_it_matters": "Makes solubility, speciation and analytical comparisons interpretable." }, { "name": "Protonation and tautomer assignment", "kind": "state", "unit_or_values": "specified form or ensemble | unassigned, with conditions and evidence", "why_it_matters": "Prevents a canonical structure drawing from being mistaken for a measured molecular state." }, { "name": "Preparation lineage", "kind": "relation", "unit_or_values": "source lot or sample linked to extraction, dissolution, treatment and measurement records", "why_it_matters": "Allows an agent to distinguish source uracil from uracil introduced or released during preparation." }, { "name": "Fitness for intended use", "kind": "state", "unit_or_values": "accepted | conditional | rejected | unevaluated, against named criteria", "why_it_matters": "Connects measured identity and condition to an explicit action." } ], "affordances": [ "Identify uracil using reference-matched measurements and explicit alternative assignments.", "Quantify free uracil in a specified matrix with a validated calibration and reporting basis.", "Prepare or dilute uracil solutions while checking actual dissolution and concentration.", "Select a uracil lot as a reagent or reference material against application-specific criteria.", "Track uracil through extraction or transformation while linking resulting chemical entities to their own models.", "Hold, reanalyse or reject material when identity, purity or available concentration fails the intended-use criteria." ] }, "sources": [ { "id": "placeholder", "title": "Research in progress", "url": "", "what_it_supports": "Will be replaced after lookups" } ], "structure": { "bundles": [ { "id": "uracil-identity-and-boundaries", "name": "Uracil identity and boundaries", "description": "Establish which chemical entity is being called uracil and where that designation stops.", "rationale": "Closely related bases, derivatives and uracil-containing molecules require different interpretations and actions.", "layers": [ { "id": "parent-base-recognition", "name": "Parent base recognition", "description": "Resolve the structural evidence supporting the uracil assignment.", "findings": [ { "id": "uracil-structural-assignment", "name": "Uracil structural assignment", "description": "Record the assigned connectivity, identifier and evidence separating uracil from plausible neighbouring compounds.", "questions": [ { "text": "What structural evidence establishes uracil rather than cytosine, thymine or a substituted uracil?", "kind": "definition", "id": "uracil-structural-assignment-q01" }, { "text": "Which reference material or spectral record supports the assignment, and which alternatives remain unresolved?", "kind": "provenance", "id": "uracil-structural-assignment-q02" } ] } ] }, { "id": "free-base-versus-moiety", "name": "Free base versus moiety", "description": "Separate free uracil from uracil represented within another molecule.", "findings": [ { "id": "uracil-molecular-ownership", "name": "Uracil molecular ownership", "description": "Record whether the observation concerns the free base, a covalent moiety or material released by sample treatment.", "questions": [ { "text": "Does this observation concern free uracil or a uracil moiety in a nucleoside, nucleotide or polymer?", "kind": "boundary", "id": "uracil-molecular-ownership-q01" }, { "text": "If treatment released the measured uracil, which parent material and preparation record own that relationship?", "kind": "provenance", "id": "uracil-molecular-ownership-q02" } ] } ] } ] }, { "id": "uracil-physical-and-solution-state", "name": "Uracil physical and solution state", "description": "Describe the state of uracil under the conditions in which it is measured or used.", "rationale": "Nominal loading and a conventional molecular drawing do not establish dissolved concentration or actual speciation.", "layers": [ { "id": "dissolution-and-phase", "name": "Dissolution and phase", "description": "Establish whether uracil is present as solid material, dissolved material or both.", "findings": [ { "id": "available-dissolved-uracil", "name": "Available dissolved uracil", "description": "Distinguish added uracil from the fraction demonstrably dissolved under recorded conditions.", "questions": [ { "text": "What solvent composition, temperature and equilibration history accompany the reported dissolved uracil concentration?", "kind": "measurement", "id": "available-dissolved-uracil-q01" }, { "text": "What evidence excludes undissolved uracil or precipitation before the solution is aliquoted or used?", "kind": "action", "id": "available-dissolved-uracil-q02" } ] } ] }, { "id": "conditional-molecular-state", "name": "Conditional molecular state", "description": "Represent protonation and tautomer assignments without assuming a single form in every environment.", "findings": [ { "id": "uracil-speciation-evidence", "name": "Uracil speciation evidence", "description": "Attach conditions and evidential status to any claimed protonation or tautomeric state.", "questions": [ { "text": "Is the represented uracil form a naming convention, a calculation or an experimentally supported assignment?", "kind": "definition", "id": "uracil-speciation-evidence-q01" }, { "text": "Which pH, solvent and temperature conditions support that assignment, and is an ensemble more appropriate?", "kind": "measurement", "id": "uracil-speciation-evidence-q02" } ] } ] } ] }, { "id": "uracil-analysis-and-content", "name": "Uracil analysis and content", "description": "Connect uracil identification and quantity to selective measurements and an explicit material basis.", "rationale": "A peak assignment, a purity percentage and a free-base concentration answer different questions.", "layers": [ { "id": "analytical-selectivity", "name": "Analytical selectivity", "description": "Establish whether the method resolves uracil from the relevant sample components.", "findings": [ { "id": "uracil-signal-specificity", "name": "Uracil signal specificity", "description": "Record reference agreement, interference checks and unresolved identification uncertainty.", "questions": [ { "text": "Which retention, mass or spectral observations support the uracil signal under the actual method conditions?", "kind": "measurement", "id": "uracil-signal-specificity-q01" }, { "text": "Can the method distinguish uracil from related bases, coeluting compounds and signals produced from uracil-containing precursors during analysis?", "kind": "boundary", "id": "uracil-signal-specificity-q02" } ] } ] }, { "id": "quantity-and-purity-basis", "name": "Quantity and purity basis", "description": "Make uracil content comparable without conflating detector response and chemical amount.", "findings": [ { "id": "traceable-uracil-content", "name": "Traceable uracil content", "description": "Record calibration, recovery, uncertainty and whether results refer to free uracil or a treatment-defined total.", "questions": [ { "text": "What calibration, recovery correction, quantification limit and uncertainty support the reported uracil amount?", "kind": "measurement", "id": "traceable-uracil-content-q01" }, { "text": "Is the result free uracil, uracil released by a specified treatment, or an area percentage, and is its basis wet material, dry material or solution volume?", "kind": "definition", "id": "traceable-uracil-content-q02" } ] } ] } ] }, { "id": "uracil-history-and-use-decisions", "name": "Uracil history and use decisions", "description": "Connect the origin and condition of uracil material to an explicit next operation.", "rationale": "Uracil suitable for one assay or preparation may lack the evidence needed for another.", "layers": [ { "id": "origin-and-preparation-effects", "name": "Origin and preparation effects", "description": "Preserve the distinction between uracil originally present and uracil introduced or generated during processing.", "findings": [ { "id": "uracil-origin-attribution", "name": "Uracil origin attribution", "description": "Link the observation to its source and assess whether preparation changes the interpretation of presence.", "questions": [ { "text": "Was the uracil supplied as a reagent, added as a spike, extracted from a sample or obtained after a transformation?", "kind": "provenance", "id": "uracil-origin-attribution-q01" }, { "text": "What controls establish whether preparation introduced uracil or released it from other molecules?", "kind": "measurement", "id": "uracil-origin-attribution-q02" } ] } ] }, { "id": "operation-specific-acceptance", "name": "Operation-specific acceptance", "description": "Determine whether the material can support the proposed uracil-dependent operation.", "findings": [ { "id": "uracil-use-eligibility", "name": "Uracil use eligibility", "description": "Evaluate identity, impurity profile, available concentration and condition against the intended operation.", "questions": [ { "text": "What uracil identity, purity, concentration and impurity limits must this material meet for the named use?", "kind": "action", "id": "uracil-use-eligibility-q01" }, { "text": "Do storage history, repeat measurements and the applicable material handling instructions support use now, or require reanalysis or rejection?", "kind": "action", "id": "uracil-use-eligibility-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": [ "free nucleobase (uracil)", "ribonucleoside (uridine)", "deoxyribonucleoside (2'-deoxyuridine)", "ribonucleotide (UMP/UDP/UTP)", "RNA-incorporated residue (U)", "DNA-incorporated lesion (dU from cytosine deamination or dUTP misincorporation)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of uracil this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does an existing Vercy world model already own uracil or the relevant nucleobase concept, requiring this registry entry to link to it?", "Should isotopically labelled uracil, charged forms and specific solid forms be represented as states of this entry or linked registered things?", "Which measured solubility and speciation data are reliable for the solvents, pH ranges and temperatures relevant to intended uses?", "Which analytical methods and acceptance limits adequately distinguish and quantify free uracil in each target matrix?", "Which storage and preparation conditions measurably alter uracil content or generate misleading uracil signals, and what evidence supports retest intervals?" ], "statistics": { "bundles": 5, "layers": 9, "findings": 9, "questions": 17 } }, "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 uracil, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise uracil, assess the identity and condition of uracil-bearing material, and determine whether it is suitable for a specified analytical or experimental use.", "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: 2-uracil c-13, Uracil-15N2, (2-¹³C,¹⁵N₂)Pyrimidine-2,4(1H,3H)-dione, (6-³H)Pyrimidine-2,4-diol, 2,4(1H,3H)-Pyrimidinedione-14C.", "5 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 64 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 uracil, 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": [ "2-uracil c-13", "Uracil-15N2", "(2-¹³C,¹⁵N₂)Pyrimidine-2,4(1H,3H)-dione", "(6-³H)Pyrimidine-2,4-diol", "2,4(1H,3H)-Pyrimidinedione-14C" ] } ], "standing": "Described in 64 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 5 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 uracil from another, and a uracil 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 uracil, 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 uracil, 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 uracil 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 uracil, 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 uracil, 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 uracil 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 uracil 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 uracil, 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 uracil, 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 uracil 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 uracil from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a uracil, 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 uracil, 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 uracil 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 uracil 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 uracil, 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 uracil, 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 uracil 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 uracil is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a uracil, 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 uracil, 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 uracil 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 uracil is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a uracil, 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 uracil, 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 uracil 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 uracil 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 uracil is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a uracil, 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 uracil, 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 uracil 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 uracil 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 uracil, 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 uracil, 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 uracil 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 uracil 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 uracil between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a uracil, 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 uracil, 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 uracil 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 uracil, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a uracil 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 uracil, 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 uracil, 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 uracil 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 uracil 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 uracil is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a uracil performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a uracil, 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 uracil, 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 uracil 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 uracil.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a uracil at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a uracil, 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 uracil, 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 uracil 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 uracil there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a uracil, 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 uracil, 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 uracil 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 uracil 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 uracil 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 uracil 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 uracil 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 uracil, 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 uracil 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 uracil 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 uracil 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 uracil, 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 uracil 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 uracil and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a uracil, 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 uracil, 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 uracil 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 uracil is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a uracil, 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 uracil, 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 uracil 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 } } } }