{
    "model": {
        "rank": 4157,
        "code": "thing-q83187",
        "model_id": "vr.tr.thiamine-1-ion",
        "name": "thiamine(1+) ion",
        "purpose": "Enable an agent to identify thiamine(1+) ion, assess evidence for its presence and condition, and choose appropriate analytical or handling actions for the material containing it.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q83187/",
        "tier": 2,
        "score": 78,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "thiamine(2+)"
            ],
            "aliasCount": 1,
            "merged": 1,
            "knownIn": 78,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q83187",
                "url": "https://www.wikidata.org/wiki/Q83187",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T19:36:03Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 25.9,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087aa-8cbc-75d0-9cc5-017c9e9fc5ef\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: thiamine(1+) ion\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: 1001",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 66.9,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087aa-8cc4-7be0-9470-ce2771f21d4b\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: thiamine(1+) ion\nRegistry id: vr.tr.thiamine-1-ion\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: ("
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q83187",
                "registryId": "vr.tr.thiamine-1-ion",
                "name": "thiamine(1+) ion",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.MAT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q83187/",
            "model": {
                "registry_id": "vr.tr.thiamine-1-ion",
                "name": "thiamine(1+) ion",
                "purpose": "Enable an agent to identify thiamine(1+) ion, assess evidence for its presence and condition, and choose appropriate analytical or handling actions for the material containing it.",
                "definition": "The thiamine(1+) ion is the monovalent organic cation of vitamin B1, with formula C12H17N4OS+, comprising an aminopyrimidine ring linked by a methylene group to a positively charged thiazolium ring bearing methyl and hydroxyethyl substituents.",
                "scope_statement": "This model owns the unphosphorylated molecular cation registered as vr.tr.thiamine-1-ion in PHY / PHY.MAT, including its identity, speciation, analytical evidence and relationships to carrier materials; salts, formulations and biological pathways remain linked entities.",
                "in_scope": [
                    "Molecular connectivity and the specific +1 charge state",
                    "Distinction between the cation, its salts and its phosphorylated derivatives",
                    "Amount, concentration and purity evidence with an explicit reporting basis",
                    "Solution conditions, chemical integrity and transformation observations",
                    "Traceable identity records and applicability of material-specific handling information"
                ],
                "out_of_scope": [
                    "Complete models of thiamine chloride, hydrochloride, nitrate and other salt materials",
                    "Thiamine phosphate esters and other covalently modified derivatives",
                    "Vitamin supplements, pharmaceutical formulations and food products",
                    "Clinical deficiency diagnosis, treatment and nutritional dose recommendations",
                    "Complete biosynthesis, transport and cofactor-dependent reaction pathways"
                ],
                "distinguishing_features": [
                    "Match C12H17N4OS with net charge +1 to the reference molecular graph, rather than relying on the name vitamin B1; reference identity: [ChEBI:18385](https://www.ebi.ac.uk/chebi/CHEBI%3A18385).",
                    "Require the connected aminopyrimidine and substituted thiazolium rings with the hydroxyethyl side chain specified by the reference structure.",
                    "Check that the hydroxyethyl group is not phosphate-esterified before assigning the unphosphorylated ion identity.",
                    "Separate counterions and waters of hydration from the molecular-ion formula when interpreting a salt or supplier record.",
                    "Distinguish the +1 species from additional protonation states and chemically altered forms even when an assay reports them collectively as thiamine."
                ],
                "characteristics": [
                    {
                        "name": "Reference molecular identity",
                        "kind": "category",
                        "unit_or_values": "C12H17N4OS+; ChEBI:18385; structure identifier and database version",
                        "why_it_matters": "Establishes the specific chemical entity behind ambiguous thiamine names."
                    },
                    {
                        "name": "Net charge assignment",
                        "kind": "state",
                        "unit_or_values": "+1 for the target entity; other or unresolved for observations requiring reassignment",
                        "why_it_matters": "Prevents conflation of the registered cation with other protonation states."
                    },
                    {
                        "name": "Phosphorylation status",
                        "kind": "category",
                        "unit_or_values": "Unphosphorylated target; phosphorylated derivative; unresolved",
                        "why_it_matters": "Separates this ion from related metabolites and cofactor forms."
                    },
                    {
                        "name": "Containing material",
                        "kind": "relation",
                        "unit_or_values": "Linked salt, solution, biological sample or formulation, with counterion and hydration details where applicable",
                        "why_it_matters": "Locates bulk properties and handling requirements on the material actually encountered."
                    },
                    {
                        "name": "Thiamine amount or concentration",
                        "kind": "measurement",
                        "unit_or_values": "mol, mol/L or mg/L; explicitly state cation, salt or total-thiamine equivalent basis",
                        "why_it_matters": "Supports valid comparisons and prevents errors from salt-to-cation mass conversion."
                    },
                    {
                        "name": "Intact unphosphorylated thiamine fraction",
                        "kind": "measurement",
                        "unit_or_values": "mol% or mass%, with denominator, method and uncertainty",
                        "why_it_matters": "Distinguishes chemical integrity from nominal content or chromatographic area percentage."
                    },
                    {
                        "name": "Medium and exposure conditions",
                        "kind": "state",
                        "unit_or_values": "Solvent, pH, temperature in °C, ionic strength in mol/L, illumination and elapsed time",
                        "why_it_matters": "Makes speciation and stability observations interpretable and reproducible."
                    },
                    {
                        "name": "Analytical identity confidence",
                        "kind": "category",
                        "unit_or_values": "Reference-confirmed, provisionally assigned, unresolved or contradicted",
                        "why_it_matters": "Controls whether an agent can treat a signal as evidence for this exact species."
                    }
                ],
                "affordances": [
                    "Resolve a thiamine-labelled record against the reference cation structure and flag salt or derivative mismatches.",
                    "Convert reported salt content to cation equivalents when composition, hydration and assay basis are established.",
                    "Select and document an assay capable of separating unphosphorylated thiamine from relevant related compounds.",
                    "Compare intact-thiamine measurements across documented storage or preparation conditions.",
                    "Retrieve handling and regulatory information for the identified containing material and assess its applicability."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "cation-identity-and-boundaries",
                        "name": "Cation identity and boundaries",
                        "description": "Establish which thiamine entity a name, structure or registry record denotes.",
                        "rationale": "The registered thing is a specific molecular cation, while practical records often describe salts or vitamin activity.",
                        "layers": [
                            {
                                "id": "molecular-identity",
                                "name": "Molecular identity",
                                "description": "Resolve the structural requirements for the unphosphorylated +1 species.",
                                "findings": [
                                    {
                                        "id": "reference-structure-match",
                                        "name": "Reference structure match",
                                        "description": "Record agreement with the reference molecular graph and charge; a shared common name alone is insufficient.",
                                        "questions": [
                                            {
                                                "text": "Does the candidate structure match the connectivity and +1 charge of ChEBI:18385?",
                                                "kind": "definition",
                                                "id": "reference-structure-match-q01"
                                            },
                                            {
                                                "text": "Which inspected source and version support the structure-to-registry mapping?",
                                                "kind": "provenance",
                                                "id": "reference-structure-match-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "salt-and-derivative-boundaries",
                                "name": "Salt and derivative boundaries",
                                "description": "Separate the ion from materials containing it and chemically distinct relatives.",
                                "findings": [
                                    {
                                        "id": "entity-level-disambiguation",
                                        "name": "Entity-level disambiguation",
                                        "description": "Classify each linked record as the target cation, a containing material, another charge state or a covalent derivative.",
                                        "questions": [
                                            {
                                                "text": "Does the reported formula describe the cation alone or include counterions, additional protons or water?",
                                                "kind": "boundary",
                                                "id": "entity-level-disambiguation-q01"
                                            },
                                            {
                                                "text": "Is the hydroxyethyl group unmodified, or does the record describe a phosphate ester or another derivative?",
                                                "kind": "boundary",
                                                "id": "entity-level-disambiguation-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "speciation-and-chemical-integrity",
                        "name": "Speciation and chemical integrity",
                        "description": "Assess whether the target ion remains the appropriate identity under the observed conditions.",
                        "rationale": "A nominal thiamine label does not establish the charge-state distribution or the persistence of intact thiamine.",
                        "layers": [
                            {
                                "id": "medium-dependent-speciation",
                                "name": "Medium-dependent speciation",
                                "description": "Connect charge-state assignments to the medium and evidence used to support them.",
                                "findings": [
                                    {
                                        "id": "solution-species-assignment",
                                        "name": "Solution species assignment",
                                        "description": "Keep the reference +1 identity distinct from experimentally established or predicted species populations in a sample.",
                                        "questions": [
                                            {
                                                "text": "What solvent, pH, temperature and ionic strength apply to the claimed +1 species population?",
                                                "kind": "measurement",
                                                "id": "solution-species-assignment-q01"
                                            },
                                            {
                                                "text": "What experimental evidence or validated equilibrium model supports that population assignment?",
                                                "kind": "provenance",
                                                "id": "solution-species-assignment-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "integrity-through-exposure",
                                "name": "Integrity through exposure",
                                "description": "Track intact thiamine through preparation, storage and analysis.",
                                "findings": [
                                    {
                                        "id": "transformation-evidence",
                                        "name": "Transformation evidence",
                                        "description": "Record measured loss and identified products without treating an unexplained signal decrease as a settled reaction mechanism.",
                                        "questions": [
                                            {
                                                "text": "How does the measured amount of intact unphosphorylated thiamine change with documented exposure time and conditions?",
                                                "kind": "measurement",
                                                "id": "transformation-evidence-q01"
                                            },
                                            {
                                                "text": "What evidence distinguishes chemical transformation from adsorption, extraction loss or assay interference?",
                                                "kind": "boundary",
                                                "id": "transformation-evidence-q02"
                                            },
                                            {
                                                "text": "Which supported preparation or storage adjustment would preserve the target for the intended measurement?",
                                                "kind": "action",
                                                "id": "transformation-evidence-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "analytical-recognition-and-quantity",
                        "name": "Analytical recognition and quantity",
                        "description": "Determine what an assay identifies and how its reported amount relates to this cation.",
                        "rationale": "Unphosphorylated thiamine, total thiamine and salt-based mass values answer different questions.",
                        "layers": [
                            {
                                "id": "assay-selectivity",
                                "name": "Assay selectivity",
                                "description": "Establish whether the analytical workflow specifically supports the target identity.",
                                "findings": [
                                    {
                                        "id": "signal-to-species-evidence",
                                        "name": "Signal-to-species evidence",
                                        "description": "Link the assignment to standards, separation and detection evidence, including any chemical conversion during sample preparation.",
                                        "questions": [
                                            {
                                                "text": "Which reference-standard and orthogonal observations distinguish unphosphorylated thiamine from likely interferents?",
                                                "kind": "measurement",
                                                "id": "signal-to-species-evidence-q01"
                                            },
                                            {
                                                "text": "Does extraction, hydrolysis or derivatization change which original thiamine species the final signal represents?",
                                                "kind": "boundary",
                                                "id": "signal-to-species-evidence-q02"
                                            },
                                            {
                                                "text": "If mass spectrometry is used, how are the observed charge and ion assignment distinguished from assumptions about solution speciation?",
                                                "kind": "measurement",
                                                "id": "signal-to-species-evidence-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "quantity-and-purity-basis",
                                "name": "Quantity and purity basis",
                                "description": "Make amount, concentration and purity comparable across source materials and assays.",
                                "findings": [
                                    {
                                        "id": "cation-equivalent-accounting",
                                        "name": "Cation-equivalent accounting",
                                        "description": "Require explicit denominators and composition before converting a material's reported content to target-cation equivalents.",
                                        "questions": [
                                            {
                                                "text": "Is the result expressed as cation mass, salt mass, moles of unphosphorylated thiamine or total-thiamine equivalents?",
                                                "kind": "definition",
                                                "id": "cation-equivalent-accounting-q01"
                                            },
                                            {
                                                "text": "What salt stoichiometry, hydration, assay value and uncertainty support a conversion to cation equivalents?",
                                                "kind": "measurement",
                                                "id": "cation-equivalent-accounting-q02"
                                            },
                                            {
                                                "text": "Does the purity result represent a validated amount fraction or only a detector-dependent peak-area fraction?",
                                                "kind": "boundary",
                                                "id": "cation-equivalent-accounting-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "material-context-and-permitted-use",
                        "name": "Material context and permitted use",
                        "description": "Connect the molecular identity to the physical material and evidence needed for a proposed operation.",
                        "rationale": "An ion identity alone cannot supply a bottle's phase properties, grade or applicable handling classification.",
                        "layers": [
                            {
                                "id": "carrier-material-properties",
                                "name": "Carrier material properties",
                                "description": "Assign bulk measurements to the particular salt, solution or formulation on which they were obtained.",
                                "findings": [
                                    {
                                        "id": "property-attribution",
                                        "name": "Property attribution",
                                        "description": "Keep measured material properties attached to their composition and conditions instead of presenting them as universal constants of the cation.",
                                        "questions": [
                                            {
                                                "text": "Which salt, hydrate, solution composition or other material was used for a reported solubility or thermal measurement?",
                                                "kind": "provenance",
                                                "id": "property-attribution-q01"
                                            },
                                            {
                                                "text": "Does a reported thermal event describe melting, dehydration or decomposition, and under what conditions?",
                                                "kind": "measurement",
                                                "id": "property-attribution-q02"
                                            },
                                            {
                                                "text": "Which properties are applicable to the intended sample rather than merely to another material carrying the thiamine name?",
                                                "kind": "boundary",
                                                "id": "property-attribution-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "handling-and-regulatory-applicability",
                                "name": "Handling and regulatory applicability",
                                "description": "Resolve identifiers and handling evidence for the material involved in an actual operation.",
                                "findings": [
                                    {
                                        "id": "operation-specific-evidence",
                                        "name": "Operation-specific evidence",
                                        "description": "Assess proposed analytical or handling actions using the matched material record, grade and current jurisdictional information.",
                                        "questions": [
                                            {
                                                "text": "Do the CAS, EC and supplier identifiers refer to the target ion or to the specific salt or formulation being handled?",
                                                "kind": "boundary",
                                                "id": "operation-specific-evidence-q01"
                                            },
                                            {
                                                "text": "Which current source establishes any applicable GHS classification or exposure limit for that material and jurisdiction?",
                                                "kind": "provenance",
                                                "id": "operation-specific-evidence-q02"
                                            },
                                            {
                                                "text": "Do the documented grade, impurities and handling requirements support the proposed preparation or analytical use?",
                                                "kind": "action",
                                                "id": "operation-specific-evidence-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "This description is from recall; no sources were consulted.",
                                            "Registry identifiers should be checked against the exact charge and protonation state; records for the cation and its salts can differ.",
                                            "Melting points, solubility, purity specifications and hazard classifications require a specified salt, hydration state and preparation; none are assigned here to the cation alone."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of thiamine(1+) ion this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "scheme": "Molecular formula (Hill notation)",
                                                "value_or_pattern": "C12H17N4OS+",
                                                "note": "Identifies elemental composition and charge, but does not uniquely specify molecular connectivity."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of thiamine(1+) ion this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Provided through thiamine salts in vitamin supplements and food fortification.",
                                            "Biological precursor of thiamine diphosphate, a coenzyme involved in carbohydrate and amino acid metabolism.",
                                            "Analyte in assays of thiamine content in foods and pharmaceutical preparations."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of thiamine(1+) ion this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "quantity": "Molar mass of the cation",
                                                "typical_range": "Approximately 265.36",
                                                "unit": "g/mol"
                                            },
                                            {
                                                "quantity": "Net ionic charge",
                                                "typical_range": "+1",
                                                "unit": "elementary charge"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of thiamine(1+) ion this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Alkaline conditions can promote chemical transformation and degradation.",
                                            "Sulfites can cleave thiamine and destroy its vitamin activity.",
                                            "Using the cation's molar mass for a salt or hydrate produces incorrect mass-to-mole conversions."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of thiamine(1+) ion this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "The names thiamine and thiamin occur in different naming conventions; they do not distinguish chemical species."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of thiamine(1+) ion this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "name": "Thiamine hydrochloride",
                                                "difference": "A salt preparation with chloride counterions and additional protonation, rather than the isolated singly charged cation."
                                            },
                                            {
                                                "name": "Thiamine mononitrate",
                                                "difference": "An electrically neutral salt containing the thiamine cation and nitrate counterion."
                                            },
                                            {
                                                "name": "Thiamine diphosphate",
                                                "difference": "Has a diphosphate group attached through the hydroxyethyl oxygen and functions as a coenzyme."
                                            },
                                            {
                                                "name": "Thiochrome",
                                                "difference": "A chemically distinct fluorescent oxidation product used in some thiamine assays."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of thiamine(1+) ion this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the existing Vercy catalogue already contain a model covering this exact cation that should become this registry entry's single publication target?",
                "Which CAS, PubChem and EC mappings unambiguously denote the +1 cation, and which aggregate salts or broader thiamine identities?",
                "Which measured equilibrium data establish the +1 species fraction across the solvents, pH values and temperatures relevant to intended use?",
                "Which validated methods quantify intact unphosphorylated thiamine separately from phosphate esters and degradation products in the intended matrices?",
                "Which stability, bulk-property and handling claims can be supported for each encountered salt or formulation, and which remain unknown or inapplicable at the isolated-ion level?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 15,
                "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 thiamine(1+) ion, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to identify thiamine(1+) ion, assess evidence for its presence and condition, and choose appropriate analytical or handling actions for the material containing it.",
            "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: thiamine(2+).",
                "1 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 78 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 thiamine(1+) ion, 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": [
                        "thiamine(2+)"
                    ]
                }
            ],
            "standing": "Described in 78 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 1 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 thiamine(1+) ion from another, and a thiamine(1+) ion 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 thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion 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 thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion 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 thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion 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 thiamine(1+) ion is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion 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 thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion 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 thiamine(1+) ion between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a thiamine(1+) ion 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 thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion 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 thiamine(1+) ion is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a thiamine(1+) ion performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a thiamine(1+) ion at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion 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 thiamine(1+) ion 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 thiamine(1+) ion 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 thiamine(1+) ion 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion 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 thiamine(1+) ion 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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 thiamine(1+) ion is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a thiamine(1+) ion, 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 thiamine(1+) ion, 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 thiamine(1+) ion 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
            }
        }
    }
}