{
    "model": {
        "rank": 5528,
        "code": "thing-q188672",
        "model_id": "vr.tr.bran",
        "name": "bran",
        "purpose": "Enable an agent to recognise cereal bran, assess a particular lot's condition and suitability, and determine what handling, processing or use is justified by available evidence.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q188672/",
        "tier": 2,
        "score": 66,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "wheat bran",
                "oat bran",
                "rice bran"
            ],
            "aliasCount": 3,
            "merged": 3,
            "knownIn": 66,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.bran-food",
            "source": {
                "dataset": "wikidata",
                "item": "Q188672",
                "url": "https://www.wikidata.org/wiki/Q188672",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T22:33:37Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 20.3,
                        "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: 01a0884d-37ed-7262-a59b-68d676fd0fcb\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: bran\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 1001 registered",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 60.6,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a0884d-37fa-7592-9533-10f97b5765de\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: bran\nRegistry id: vr.tr.bran\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext for th"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q188672",
                "registryId": "vr.tr.bran",
                "name": "bran",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.MAT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q188672/",
            "model": {
                "registry_id": "vr.tr.bran",
                "name": "bran",
                "purpose": "Enable an agent to recognise cereal bran, assess a particular lot's condition and suitability, and determine what handling, processing or use is justified by available evidence.",
                "definition": "Bran is a cereal-milling fraction consisting predominantly of the grain's outer tissues, including pericarp, seed coat and usually aleurone, with variable amounts of adhering endosperm and germ.",
                "scope_statement": "This model owns bran as a variable cereal-derived material, including its grain origin, milling fraction, composition, processing history, condition and intended-use grade; it does not treat bran as a single pure chemical substance.",
                "in_scope": [
                    "Cereal species, source grain and lot identity",
                    "Identity of the separated grain fraction and residual germ or endosperm",
                    "Composition, particle properties and measurement basis",
                    "Milling, stabilisation and subsequent treatment history",
                    "Storage condition, contamination evidence and suitability for a declared use"
                ],
                "out_of_scope": [
                    "Cultivation and biological identity of the cereal crop",
                    "Whole grain, flour, germ and husk as separately identified materials",
                    "Milling equipment and operation of the mill",
                    "Finished foods, formulated feeds and supplements containing bran",
                    "Extracted bran oil, purified fibre and other isolated derivatives",
                    "Clinical outcomes of bran consumption and complete animal feeding programmes"
                ],
                "distinguishing_features": [
                    "Identify it as a cereal milling fraction associated with the grain's outer tissues, using a grain-specific description rather than colour or trade name alone.",
                    "Distinguish bran from husk or hull by recording which anatomical tissues the fraction contains and how they were separated.",
                    "Distinguish bran from flour and milling middlings through the declared separation stream and evidence of tissue composition; fibre content alone does not establish identity.",
                    "Distinguish bran from isolated germ while allowing recorded germ carryover in a commercial bran fraction.",
                    "Distinguish the bran material from a formulated product or purified extract by recording additions and the extent of fractionation."
                ],
                "characteristics": [
                    {
                        "name": "Source cereal",
                        "kind": "relation",
                        "unit_or_values": "Identified cereal species; cultivar and mixed-grain proportions where known",
                        "why_it_matters": "The meaning of the bran fraction and its expected composition depend on the source grain."
                    },
                    {
                        "name": "Anatomical and milling fraction",
                        "kind": "category",
                        "unit_or_values": "Declared tissues, separation stream and applicable commercial grade",
                        "why_it_matters": "Establishes whether the material is bran and separates it from neighbouring milling products."
                    },
                    {
                        "name": "Residual germ and endosperm",
                        "kind": "measurement",
                        "unit_or_values": "Mass fraction (%) where measured; identification method and uncertainty",
                        "why_it_matters": "Carryover can affect composition, processing behaviour and storage stability."
                    },
                    {
                        "name": "Moisture and water activity",
                        "kind": "measurement",
                        "unit_or_values": "Moisture mass fraction (%), stating basis and method; water activity (dimensionless) at stated temperature",
                        "why_it_matters": "Supports assessment of storage behaviour and comparison against the intended-use specification."
                    },
                    {
                        "name": "Composition profile",
                        "kind": "measurement",
                        "unit_or_values": "Dietary fibre, starch, protein, lipid and ash in g/100 g, with analytical method and as-received or dry-matter basis",
                        "why_it_matters": "Makes nutritional and technical comparisons meaningful without assuming all bran has the same composition."
                    },
                    {
                        "name": "Particle-size distribution",
                        "kind": "measurement",
                        "unit_or_values": "Sieve fractions (%) or distribution percentiles in µm, with method",
                        "why_it_matters": "Affects texture, hydration, separation and handling."
                    },
                    {
                        "name": "Treatment state",
                        "kind": "state",
                        "unit_or_values": "Untreated, heat-treated, stabilised, defatted, fermented or other declared treatment; verification status",
                        "why_it_matters": "Treatment may alter functionality and condition, and its success requires evidence."
                    },
                    {
                        "name": "Deterioration indicators",
                        "kind": "measurement",
                        "unit_or_values": "Sensory observations and relevant lipid or microbiological results, each with method, units and sampling date",
                        "why_it_matters": "Supports a lot-specific assessment of deterioration rather than relying on age alone."
                    },
                    {
                        "name": "Contaminant and foreign-material status",
                        "kind": "state",
                        "unit_or_values": "Untested, pending, compliant or noncompliant against a named specification, with linked results",
                        "why_it_matters": "Separates missing evidence from demonstrated suitability."
                    },
                    {
                        "name": "Declared use and grade",
                        "kind": "category",
                        "unit_or_values": "Food ingredient, feed material, industrial input or other declared use; jurisdiction and specification",
                        "why_it_matters": "Acceptance criteria depend on the destination and cannot be inferred from the word bran."
                    }
                ],
                "affordances": [
                    "Identify and classify a bran lot using grain origin, milling stream and tissue evidence.",
                    "Compare lots on a consistent analytical basis for purchasing, blending or formulation.",
                    "Select sampling and testing needed to resolve identity, condition or intended-use uncertainty.",
                    "Assess whether grinding, sieving, stabilisation or another treatment is appropriate for the declared destination.",
                    "Assign storage and handling conditions supported by the lot's properties and treatment evidence.",
                    "Release, segregate, redirect or reject a lot against an explicit use specification."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "bran-identity-and-boundaries",
                        "name": "Bran identity and boundaries",
                        "description": "Establishes what grain fraction the material represents.",
                        "rationale": "A bran trade name does not by itself distinguish cereal origin, anatomical content or adjacent milling fractions.",
                        "layers": [
                            {
                                "id": "cereal-origin",
                                "name": "Cereal origin",
                                "description": "Connects the bran to its source grain.",
                                "findings": [
                                    {
                                        "id": "source-grain-identity",
                                        "name": "Source grain identity",
                                        "description": "Record the cereal identity and evidence for single-grain or mixed-grain origin.",
                                        "questions": [
                                            {
                                                "text": "Which cereal species supplied this bran, and is the lot a mixture?",
                                                "kind": "definition",
                                                "id": "source-grain-identity-q01"
                                            },
                                            {
                                                "text": "Which supplier or mill records support the declared grain origin?",
                                                "kind": "provenance",
                                                "id": "source-grain-identity-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "fraction-boundary",
                                "name": "Fraction boundary",
                                "description": "Separates bran from husk, flour, germ and composite milling products.",
                                "findings": [
                                    {
                                        "id": "tissues-and-separation-stream",
                                        "name": "Tissues and separation stream",
                                        "description": "Record the intended tissue fraction, actual milling stream and known carryover without imposing a universal purity threshold.",
                                        "questions": [
                                            {
                                                "text": "Which grain tissues and mill separation stream define this material as bran?",
                                                "kind": "definition",
                                                "id": "tissues-and-separation-stream-q01"
                                            },
                                            {
                                                "text": "What evidence distinguishes this lot from husk, germ, flour or middlings?",
                                                "kind": "boundary",
                                                "id": "tissues-and-separation-stream-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "bran-composition-and-functionality",
                        "name": "Bran composition and functionality",
                        "description": "Describes measured composition and physical behaviour relevant to use.",
                        "rationale": "Bran is a heterogeneous fraction whose analytical basis and particle properties affect comparisons and formulation.",
                        "layers": [
                            {
                                "id": "composition-basis",
                                "name": "Composition basis",
                                "description": "Makes composition results interpretable across lots.",
                                "findings": [
                                    {
                                        "id": "measured-constituent-profile",
                                        "name": "Measured constituent profile",
                                        "description": "Record fibre, starch, protein, lipid and ash results with methods and moisture basis.",
                                        "questions": [
                                            {
                                                "text": "What constituent concentrations were measured, and are they reported as received or on a dry-matter basis?",
                                                "kind": "measurement",
                                                "id": "measured-constituent-profile-q01"
                                            },
                                            {
                                                "text": "Which fibre method was used, and does it distinguish the fractions needed for the intended use?",
                                                "kind": "measurement",
                                                "id": "measured-constituent-profile-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "particle-and-hydration-behaviour",
                                "name": "Particle and hydration behaviour",
                                "description": "Captures how the bran behaves during handling and incorporation.",
                                "findings": [
                                    {
                                        "id": "size-and-water-interaction",
                                        "name": "Size and water interaction",
                                        "description": "Record particle distribution and application-relevant hydration behaviour under specified test conditions.",
                                        "questions": [
                                            {
                                                "text": "What is the particle-size distribution, and how was it measured?",
                                                "kind": "measurement",
                                                "id": "size-and-water-interaction-q01"
                                            },
                                            {
                                                "text": "What water-holding or swelling behaviour is demonstrated under conditions relevant to the intended application?",
                                                "kind": "measurement",
                                                "id": "size-and-water-interaction-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "milling-and-treatment-history",
                        "name": "Milling and treatment history",
                        "description": "Connects the lot's present properties to its separation and subsequent processing.",
                        "rationale": "Milling and treatment can change bran composition, functionality and stability while leaving the commercial name unchanged.",
                        "layers": [
                            {
                                "id": "lot-formation",
                                "name": "Lot formation",
                                "description": "Tracks separation, collection and blending of the bran.",
                                "findings": [
                                    {
                                        "id": "mill-stream-and-blend-lineage",
                                        "name": "Mill stream and blend lineage",
                                        "description": "Record production dates, contributing streams and blends that define the lot.",
                                        "questions": [
                                            {
                                                "text": "When and from which milling streams was this bran lot collected?",
                                                "kind": "provenance",
                                                "id": "mill-stream-and-blend-lineage-q01"
                                            },
                                            {
                                                "text": "Was it blended with other bran lots or milling fractions, and are their identities and proportions recorded?",
                                                "kind": "provenance",
                                                "id": "mill-stream-and-blend-lineage-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "post-milling-treatment",
                                "name": "Post-milling treatment",
                                "description": "Distinguishes declared processing from demonstrated treatment outcomes.",
                                "findings": [
                                    {
                                        "id": "treatment-and-retained-identity",
                                        "name": "Treatment and retained identity",
                                        "description": "Record stabilisation, grinding, defatting or other treatments and whether the resulting material remains within the bran boundary.",
                                        "questions": [
                                            {
                                                "text": "Which treatments were applied, under what conditions, and what evidence verifies their intended effect?",
                                                "kind": "provenance",
                                                "id": "treatment-and-retained-identity-q01"
                                            },
                                            {
                                                "text": "Does the treatment leave a bran material, or produce an extract or formulated ingredient requiring a neighbouring model?",
                                                "kind": "boundary",
                                                "id": "treatment-and-retained-identity-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "storage-condition-and-contaminants",
                        "name": "Storage condition and contaminants",
                        "description": "Assesses deterioration, storage exposure and lot-specific contamination evidence.",
                        "rationale": "Bran suitability depends on its condition and test coverage as well as its declared composition.",
                        "layers": [
                            {
                                "id": "storage-and-deterioration",
                                "name": "Storage and deterioration",
                                "description": "Relates storage history to current moisture, sensory and analytical observations.",
                                "findings": [
                                    {
                                        "id": "current-stability-evidence",
                                        "name": "Current stability evidence",
                                        "description": "Record packaging, environmental exposure and signs or measurements of deterioration.",
                                        "questions": [
                                            {
                                                "text": "What storage duration, temperature, humidity and packaging history are documented for this lot?",
                                                "kind": "provenance",
                                                "id": "current-stability-evidence-q01"
                                            },
                                            {
                                                "text": "What moisture, water activity, odour or relevant deterioration results describe its current condition?",
                                                "kind": "measurement",
                                                "id": "current-stability-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "contaminant-evidence",
                                "name": "Contaminant evidence",
                                "description": "Captures testing selected for the source cereal, supply chain and destination.",
                                "findings": [
                                    {
                                        "id": "sampling-and-test-coverage",
                                        "name": "Sampling and test coverage",
                                        "description": "Record applicable mycotoxin, residue, microbiological and foreign-material checks with sampling scope and detection limits.",
                                        "questions": [
                                            {
                                                "text": "Which contaminants and foreign materials require assessment for this cereal origin and intended use?",
                                                "kind": "boundary",
                                                "id": "sampling-and-test-coverage-q01"
                                            },
                                            {
                                                "text": "How was the lot sampled, what were the results and detection limits, and which required checks remain untested?",
                                                "kind": "measurement",
                                                "id": "sampling-and-test-coverage-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "use-qualification-and-disposition",
                        "name": "Use qualification and disposition",
                        "description": "Connects evidence about the bran to a specific destination and handling decision.",
                        "rationale": "A lot acceptable for one use is not automatically qualified for another, and treatment labels alone do not establish acceptance.",
                        "layers": [
                            {
                                "id": "destination-specification",
                                "name": "Destination specification",
                                "description": "Defines the requirements for the proposed food, feed or industrial use.",
                                "findings": [
                                    {
                                        "id": "grade-and-acceptance-criteria",
                                        "name": "Grade and acceptance criteria",
                                        "description": "Record the applicable specification, cereal-related declarations and evidence required for acceptance.",
                                        "questions": [
                                            {
                                                "text": "Which intended use, jurisdiction and buyer specification govern acceptance of this bran?",
                                                "kind": "definition",
                                                "id": "grade-and-acceptance-criteria-q01"
                                            },
                                            {
                                                "text": "What composition, cereal-allergen, cross-contact and treatment declarations are required, and which are supported?",
                                                "kind": "boundary",
                                                "id": "grade-and-acceptance-criteria-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "lot-disposition",
                                "name": "Lot disposition",
                                "description": "Determines the next justified action for the material.",
                                "findings": [
                                    {
                                        "id": "release-or-further-work",
                                        "name": "Release or further work",
                                        "description": "Link release, additional testing, processing, segregation or rejection to explicit evidence and unresolved requirements.",
                                        "questions": [
                                            {
                                                "text": "Does the available evidence justify release for the declared use, or must the lot remain segregated pending specific checks?",
                                                "kind": "action",
                                                "id": "release-or-further-work-q01"
                                            },
                                            {
                                                "text": "If further processing or redirection is proposed, what acceptance criteria and verification must it satisfy?",
                                                "kind": "action",
                                                "id": "release-or-further-work-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "This describes cereal bran as a variable biological material, not a chemically pure substance with a single formula or universal set of physical constants.",
                                            "Composition depends on grain species, milling method and stabilization or oil extraction; numerical ranges require a specified product and analytical method.",
                                            "Regulatory applicability and current commodity definitions require verification; the named references are recalled, not researched."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of bran this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Wheat bran",
                                            "Rice bran",
                                            "Oat bran",
                                            "Maize bran",
                                            "Rye bran",
                                            "Barley bran"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of bran this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-standards-and-regulation",
                                        "name": "Standards and regulation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Codex Alimentarius Commission: General Standard for Contaminants and Toxins in Food and Feed (CXS 193-1995), with applicability determined by commodity and intended use.",
                                            "European Union: Catalogue of Feed Materials, established by Commission Regulation (EU) No 68/2013, includes descriptions of cereal-derived feed materials."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of bran 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": [
                                            "Dietary-fibre ingredient in breads, breakfast cereals and other foods.",
                                            "Feed ingredient for livestock.",
                                            "Raw material for rice bran oil extraction.",
                                            "Substrate for microbial fermentation and enzyme production.",
                                            "Source of fibre-rich fractions and other extracted cereal components."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of bran 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": [
                                            "Lipid hydrolysis and oxidation can cause rancidity, particularly in unstabilized rice bran.",
                                            "Moisture uptake during storage can promote mould growth and spoilage.",
                                            "Mycotoxins and some other grain contaminants can become concentrated in bran during milling.",
                                            "Airborne bran dust can irritate the respiratory tract and form combustible dust clouds.",
                                            "Bran can retain cereal allergens; wheat, rye and barley bran are unsuitable for a gluten-free diet."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of bran 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": [
                                            "Commercial definitions and permitted composition of bran differ among food and feed markets.",
                                            "The dominant grain source varies with regional cereal production and milling practices."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of bran 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": "Husk",
                                                "difference": "A husk is an enclosing floral covering removed during dehulling; bran primarily comprises tissues of the grain itself."
                                            },
                                            {
                                                "name": "Germ",
                                                "difference": "Germ is the grain's embryo; bran is predominantly its outer tissue fraction."
                                            },
                                            {
                                                "name": "Refined flour",
                                                "difference": "Refined flour consists predominantly of milled endosperm, whereas bran is enriched in outer grain tissues."
                                            },
                                            {
                                                "name": "Whole-grain flour",
                                                "difference": "Whole-grain flour retains bran, germ and endosperm in their original relative proportions; bran is a separated fraction."
                                            },
                                            {
                                                "name": "Wheat middlings",
                                                "difference": "Wheat middlings are a mixed milling feed fraction containing bran particles and substantial endosperm material, rather than predominantly separated bran."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of bran this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which authoritative grain-specific definitions distinguish bran from husk, pollard, middlings and related commercial milling fractions?",
                "Which analytical methods and reference ranges are appropriate for comparing bran from different cereals without implying universal composition limits?",
                "What evidence establishes effective stabilisation and storage life for each cereal origin, treatment and packaging combination?",
                "Which contaminant limits, sampling rules and cereal-related declarations apply to each intended use and jurisdiction?",
                "At what degree of defatting, fermentation or fractionation should the resulting material be represented as a bran subtype versus a separate derivative?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 17,
                "questions": 27
            }
        },
        "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 bran, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise cereal bran, assess a particular lot's condition and suitability, and determine what handling, processing or use is justified by available evidence.",
            "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: wheat bran, oat bran, rice bran.",
                "3 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 66 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 bran, 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": [
                        "wheat bran",
                        "oat bran",
                        "rice bran"
                    ]
                }
            ],
            "standing": "Described in 66 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 3 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 bran from another, and a bran 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 bran, 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 bran, 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 bran 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 bran, 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 bran, 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 bran 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 bran 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 bran, 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 bran, 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 bran 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 bran from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a bran, 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 bran, 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 bran 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 bran 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 bran, 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 bran, 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 bran 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 bran is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a bran, 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 bran, 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 bran 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 bran is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a bran, 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 bran, 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 bran 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 bran 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 bran is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a bran, 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 bran, 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 bran 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 bran 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 bran, 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 bran, 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 bran 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 bran 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 bran between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a bran, 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 bran, 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 bran 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 bran, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a bran 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 bran, 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 bran, 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 bran 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 bran 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 bran is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a bran performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a bran, 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 bran, 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 bran 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 bran.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a bran at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a bran, 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 bran, 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 bran 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 bran there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a bran, 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 bran, 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 bran 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 bran 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 bran 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 bran 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 bran 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 bran, 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 bran 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 bran 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 bran 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 bran, 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 bran 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 bran and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a bran, 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 bran, 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 bran 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 bran is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a bran, 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 bran, 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 bran 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
            }
        }
    }
}