{
    "model": {
        "rank": 3851,
        "code": "thing-q173773",
        "model_id": "vr.tr.kvass",
        "name": "kvass",
        "purpose": "Enable an agent to recognise kvass, assess the condition of a particular batch or product, and decide how it may be stored, served or further processed.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q173773/",
        "tier": 2,
        "score": 81,
        "payload": {
            "layer": "wikidata",
            "aliases": [],
            "aliasCount": 0,
            "merged": 0,
            "knownIn": 81,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.kvass",
            "source": {
                "dataset": "wikidata",
                "item": "Q173773",
                "url": "https://www.wikidata.org/wiki/Q173773",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T18:55:03Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 23.2,
                        "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: 01a08784-f8ce-7212-9e1b-ea5e3b4db154\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: kvass\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: 1001 registered",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 70.3,
                        "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: 01a08784-f8bf-7981-b6d3-d114784329ec\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: kvass\nRegistry id: vr.tr.kvass\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext for "
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q173773",
                "registryId": "vr.tr.kvass",
                "name": "kvass",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.MAT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q173773/",
            "model": {
                "registry_id": "vr.tr.kvass",
                "name": "kvass",
                "purpose": "Enable an agent to recognise kvass, assess the condition of a particular batch or product, and decide how it may be stored, served or further processed.",
                "definition": "Kvass is a family of fermented, usually mildly alcoholic beverages traditionally made from bread or cereal-derived wort, with acidity and carbonation produced during fermentation.",
                "scope_statement": "This model owns kvass as a variable-composition beverage, including its substrate, fermentation history, finished composition and condition; it distinguishes beverage identity from a recipe, microbial culture or manufacturing process.",
                "in_scope": [
                    "The evidence supporting identification as kvass, including regional and commercial naming conventions",
                    "Bread, grain, malt or other declared substrates and their contribution to the beverage",
                    "Fermentation history, residual microbial activity and stabilisation",
                    "Batch-specific alcohol, acidity, sweetness, carbonation and sensory condition",
                    "Ingredients, allergens, packaging and storage conditions affecting use"
                ],
                "out_of_scope": [
                    "Bread, grain, malt, beetroot and other ingredients as independently modelled materials",
                    "Starter cultures and individual microbial species as biological entities",
                    "Brewing equipment and fermentation facilities",
                    "Recipes and manufacturing procedures as executable process models",
                    "Beer, kombucha and other neighbouring beverage categories",
                    "Health benefits or therapeutic uses inferred merely from fermentation"
                ],
                "distinguishing_features": [
                    "Establish beverage identity from its declared tradition, ingredients and production history; a sour, brown or carbonated drink is not identifiable as kvass from appearance alone.",
                    "For bread- or cereal-based kvass, record the substrate and fermentation profile that support distinguishing it from beer; alcohol concentration alone does not settle the boundary.",
                    "Distinguish fermented kvass from a drink assembled using flavourings, acids or extracts by recording which beverage components actually underwent fermentation.",
                    "Treat names such as beet kvass as a scope question requiring naming and production evidence, rather than assuming every fermented vegetable liquid belongs here.",
                    "Distinguish kvass beverage from kvass concentrate, dry preparation mix and starter by recording whether the material is ready to drink or requires preparation."
                ],
                "characteristics": [
                    {
                        "name": "Kvass identity basis",
                        "kind": "category",
                        "unit_or_values": "Declared style or regional name, supporting evidence, and confirmed|provisional|disputed identity",
                        "why_it_matters": "The registry supplies no definition, so inclusion requires an explicit basis."
                    },
                    {
                        "name": "Product form",
                        "kind": "category",
                        "unit_or_values": "Ready-to-drink beverage|concentrate|dry mix|starter|other declared form",
                        "why_it_matters": "Separates the beverage from preparations that need a neighbouring model or a preparation step."
                    },
                    {
                        "name": "Substrate and formulation",
                        "kind": "relation",
                        "unit_or_values": "Links to declared ingredients, their roles and proportions when known",
                        "why_it_matters": "Explains style, potential allergens and differences between cereal and non-cereal products."
                    },
                    {
                        "name": "Fermentation and stabilisation history",
                        "kind": "category",
                        "unit_or_values": "Documented fermentation stages, starter source, blending and heat or filtration treatments; unknown where unverified",
                        "why_it_matters": "Supports identity and interpretation of whether composition may continue to change."
                    },
                    {
                        "name": "Residual fermentative activity",
                        "kind": "state",
                        "unit_or_values": "Demonstrated active|demonstrated inactive under tested conditions|unknown, with method and date",
                        "why_it_matters": "Affects changes in alcohol, sweetness and package pressure during storage."
                    },
                    {
                        "name": "Alcohol concentration",
                        "kind": "measurement",
                        "unit_or_values": "% ABV, with method, sampling date and reference temperature",
                        "why_it_matters": "Supports batch comparison, serving decisions and applicable product classification."
                    },
                    {
                        "name": "Acidity",
                        "kind": "measurement",
                        "unit_or_values": "pH and, separately, titratable acidity in g/L of a named acid equivalent with a stated endpoint",
                        "why_it_matters": "Describes sourness and fermentation condition without treating pH alone as proof of safety."
                    },
                    {
                        "name": "Residual sugars",
                        "kind": "measurement",
                        "unit_or_values": "g/L by stated method; distinguish fermentable sugars from total sugars",
                        "why_it_matters": "Describes sweetness and the substrate potentially available for continued fermentation."
                    },
                    {
                        "name": "Carbonation and package pressure",
                        "kind": "measurement",
                        "unit_or_values": "Dissolved CO2 in g/L or package pressure in kPa, with temperature and gauge or absolute basis",
                        "why_it_matters": "Supports serving quality and assessment of package condition."
                    },
                    {
                        "name": "Sensory and physical condition",
                        "kind": "state",
                        "unit_or_values": "Colour, aroma, taste, turbidity and sediment relative to the declared style or batch specification",
                        "why_it_matters": "Allows expected cloudiness or sediment to be distinguished from unexplained changes."
                    },
                    {
                        "name": "Storage and package status",
                        "kind": "state",
                        "unit_or_values": "Package type, closure integrity, opened or sealed state, elapsed time and temperature history in °C",
                        "why_it_matters": "Makes shelf-life and handling decisions specific to the actual beverage and package."
                    },
                    {
                        "name": "Allergen and label evidence",
                        "kind": "relation",
                        "unit_or_values": "Ingredient declarations, cross-contact statements, analytical evidence and applicable market",
                        "why_it_matters": "Prevents dietary suitability or alcohol-category claims from being inferred from the name kvass."
                    }
                ],
                "affordances": [
                    "Identify a candidate beverage as kvass or flag an unresolved category boundary.",
                    "Compare batches by substrate, fermentation history and measured finished composition.",
                    "Select storage and serving actions supported by the product's validated conditions.",
                    "Monitor changes in alcohol, acidity, residual sugars and carbonation over time.",
                    "Check whether ingredient, allergen and alcohol declarations support a proposed use.",
                    "Hold a batch for investigation when package condition or measured changes fall outside its established limits."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "kvass-identity",
                        "name": "Kvass identity",
                        "description": "Establishes which beverage sense of kvass applies and where its boundaries lie.",
                        "rationale": "A name without a registry definition cannot establish whether cereal, vegetable or formulated variants share this model.",
                        "layers": [
                            {
                                "id": "tradition-and-designation",
                                "name": "Tradition and designation",
                                "description": "Connects the name kvass to evidence about a particular beverage.",
                                "findings": [
                                    {
                                        "id": "basis-for-kvass-designation",
                                        "name": "Basis for kvass designation",
                                        "description": "Record the claimed style and the sources supporting its inclusion, leaving contested uses explicit.",
                                        "questions": [
                                            {
                                                "text": "Which regional, producer or technical definition supports calling this beverage kvass?",
                                                "kind": "definition",
                                                "id": "basis-for-kvass-designation-q01"
                                            },
                                            {
                                                "text": "Does that definition include this substrate and production method, or is inclusion still disputed?",
                                                "kind": "boundary",
                                                "id": "basis-for-kvass-designation-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "adjacent-beverage-boundaries",
                                "name": "Adjacent beverage boundaries",
                                "description": "Separates kvass from related beverages and preparations.",
                                "findings": [
                                    {
                                        "id": "beverage-versus-neighbour",
                                        "name": "Beverage versus neighbour",
                                        "description": "Use formulation and production evidence to distinguish the drink from beer, flavoured soft drinks and kvass preparations.",
                                        "questions": [
                                            {
                                                "text": "What evidence distinguishes this product from beer or an acidified, kvass-flavoured drink?",
                                                "kind": "boundary",
                                                "id": "beverage-versus-neighbour-q01"
                                            },
                                            {
                                                "text": "Is the registered material a finished beverage, or a concentrate, mix or starter requiring a separate relation?",
                                                "kind": "boundary",
                                                "id": "beverage-versus-neighbour-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "substrates-and-formulation",
                        "name": "Substrates and formulation",
                        "description": "Records what enters the beverage and when ingredients are introduced.",
                        "rationale": "Kvass composition depends on its substrate and additions, so a single chemical identity or purity value would misrepresent it.",
                        "layers": [
                            {
                                "id": "base-materials",
                                "name": "Base materials",
                                "description": "Describes the ingredients supplying the beverage base and fermentable material.",
                                "findings": [
                                    {
                                        "id": "substrate-contribution",
                                        "name": "Substrate contribution",
                                        "description": "Identify bread, grain, malt or other substrates and their preparation sufficiently to interpret the finished drink.",
                                        "questions": [
                                            {
                                                "text": "Which substrates were used, and were they supplied as bread, grain, malt, extract or another form?",
                                                "kind": "provenance",
                                                "id": "substrate-contribution-q01"
                                            },
                                            {
                                                "text": "What quantities and preparation history are known for the substrates contributing flavour and fermentable material?",
                                                "kind": "provenance",
                                                "id": "substrate-contribution-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "additions-and-allergens",
                                "name": "Additions and allergens",
                                "description": "Captures additions that change sweetness, acidity, flavour or dietary suitability.",
                                "findings": [
                                    {
                                        "id": "finished-formulation-evidence",
                                        "name": "Finished formulation evidence",
                                        "description": "Distinguish fermented ingredients from later additions and retain evidence for allergen declarations.",
                                        "questions": [
                                            {
                                                "text": "Which sugars, fruits, flavourings, acids or preservatives were added before or after fermentation?",
                                                "kind": "provenance",
                                                "id": "finished-formulation-evidence-q01"
                                            },
                                            {
                                                "text": "What ingredient and cross-contact evidence supports the declared allergens or any gluten-related claim?",
                                                "kind": "provenance",
                                                "id": "finished-formulation-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "fermentation-and-stability",
                        "name": "Fermentation and stability",
                        "description": "Connects production history to the potential for continued change.",
                        "rationale": "Kvass must be assessed as a beverage whose fermentation state may affect alcohol, sweetness and carbonation after packaging.",
                        "layers": [
                            {
                                "id": "fermentation-origin",
                                "name": "Fermentation origin",
                                "description": "Records how fermentation was initiated and followed.",
                                "findings": [
                                    {
                                        "id": "documented-fermentation-history",
                                        "name": "Documented fermentation history",
                                        "description": "Retain evidence about inoculation and fermentation conditions without inferring microbial species from the beverage name.",
                                        "questions": [
                                            {
                                                "text": "Was fermentation initiated by a defined culture, a retained starter, spontaneous inoculation or an undocumented method?",
                                                "kind": "provenance",
                                                "id": "documented-fermentation-history-q01"
                                            },
                                            {
                                                "text": "What time, temperature and endpoint observations document fermentation of this batch?",
                                                "kind": "measurement",
                                                "id": "documented-fermentation-history-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "post-fermentation-activity",
                                "name": "Post-fermentation activity",
                                "description": "Assesses whether the packaged beverage can continue fermenting under relevant conditions.",
                                "findings": [
                                    {
                                        "id": "stabilisation-and-residual-activity",
                                        "name": "Stabilisation and residual activity",
                                        "description": "Record stabilisation treatments and measured stability rather than equating filtration or pasteurisation claims with a universal outcome.",
                                        "questions": [
                                            {
                                                "text": "What heat treatment, filtration, preservative use or other stabilisation was applied to the finished beverage?",
                                                "kind": "provenance",
                                                "id": "stabilisation-and-residual-activity-q01"
                                            },
                                            {
                                                "text": "Under the intended storage conditions, what evidence shows whether alcohol, sugars or pressure continue to change?",
                                                "kind": "measurement",
                                                "id": "stabilisation-and-residual-activity-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "finished-beverage-condition",
                        "name": "Finished beverage condition",
                        "description": "Characterises the actual batch through measurements and style-specific observations.",
                        "rationale": "The kvass name alone supplies neither a fixed composition nor reliable acceptance limits.",
                        "layers": [
                            {
                                "id": "alcohol-acidity-and-sugars",
                                "name": "Alcohol, acidity and sugars",
                                "description": "Records the principal compositional measurements used to compare batches and interpret fermentation.",
                                "findings": [
                                    {
                                        "id": "time-specific-composition",
                                        "name": "Time-specific composition",
                                        "description": "Associate alcohol, acidity and sugar measurements with sampling time, methods and storage history.",
                                        "questions": [
                                            {
                                                "text": "What are the measured ABV, pH, titratable acidity and residual sugars, and when were they sampled?",
                                                "kind": "measurement",
                                                "id": "time-specific-composition-q01"
                                            },
                                            {
                                                "text": "Which product-specific limits apply to these measurements at release and through the declared shelf life?",
                                                "kind": "action",
                                                "id": "time-specific-composition-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "carbonation-and-sensory-profile",
                                "name": "Carbonation and sensory profile",
                                "description": "Interprets gas, appearance and flavour against the intended style.",
                                "findings": [
                                    {
                                        "id": "expected-versus-unexplained-condition",
                                        "name": "Expected versus unexplained condition",
                                        "description": "Record the intended carbonation and sensory profile, including whether cloudiness and sediment are expected.",
                                        "questions": [
                                            {
                                                "text": "What carbonation, aroma, sourness, sweetness, turbidity and sediment are expected for this kvass?",
                                                "kind": "definition",
                                                "id": "expected-versus-unexplained-condition-q01"
                                            },
                                            {
                                                "text": "Which observed changes depart from that profile and require the batch to be held for investigation?",
                                                "kind": "action",
                                                "id": "expected-versus-unexplained-condition-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "packaging-and-use",
                        "name": "Packaging and use",
                        "description": "Determines handling and use from package condition, validated storage and market-specific declarations.",
                        "rationale": "A particular kvass batch may change during storage, while serving suitability depends on its actual ingredients and alcohol content.",
                        "layers": [
                            {
                                "id": "storage-and-package-integrity",
                                "name": "Storage and package integrity",
                                "description": "Connects package state and temperature history to supported handling decisions.",
                                "findings": [
                                    {
                                        "id": "supported-storage-window",
                                        "name": "Supported storage window",
                                        "description": "Keep sealed and opened storage instructions distinct and relate them to evidence for the specific product.",
                                        "questions": [
                                            {
                                                "text": "What validated time and temperature conditions apply before and after opening this kvass?",
                                                "kind": "action",
                                                "id": "supported-storage-window-q01"
                                            },
                                            {
                                                "text": "Does the package show leakage, swelling, closure damage or pressure outside its established limits?",
                                                "kind": "measurement",
                                                "id": "supported-storage-window-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "declarations-and-serving-decisions",
                                "name": "Declarations and serving decisions",
                                "description": "Relates measured composition and label evidence to the intended market and use.",
                                "findings": [
                                    {
                                        "id": "evidence-for-use-claims",
                                        "name": "Evidence for use claims",
                                        "description": "Evaluate alcohol-category and dietary claims using applicable definitions and product evidence, without assuming that kvass is alcohol-free.",
                                        "questions": [
                                            {
                                                "text": "Which jurisdiction and current definition govern any non-alcoholic or low-alcohol claim for this product?",
                                                "kind": "boundary",
                                                "id": "evidence-for-use-claims-q01"
                                            },
                                            {
                                                "text": "Do the alcohol measurements across shelf life and the ingredient declarations support the proposed serving or dietary use?",
                                                "kind": "action",
                                                "id": "evidence-for-use-claims-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": [
                                            "Kvass is a variable beverage mixture, not a single chemical substance with one CAS number, purity specification or set of physical constants.",
                                            "The alcohol range is approximate and does not establish a legal classification or guarantee the content of any product.",
                                            "A researcher should verify applicable national product standards and whether the registry intends to include vegetable-based beverages such as beet kvass."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of kvass 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": [
                                            "Rye-bread kvass",
                                            "Cereal-malt kvass",
                                            "Beet kvass"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of kvass 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 Principles of Food Hygiene provides a general framework for hygienic beverage production.",
                                            "Alcohol content, ingredient labelling and beverage classification are subject to the rules of the jurisdiction where the product is sold."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of kvass 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": [
                                            "Consumed as a refreshing beverage.",
                                            "Used as the liquid base for cold soups such as okroshka.",
                                            "Produced through household fermentation and commercial beverage manufacturing."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of kvass this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "quantity": "Alcohol by volume in conventional low-alcohol kvass",
                                                "typical_range": "Approximately 0.5-1.5; recipes and commercial formulations vary",
                                                "unit": "% vol"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of kvass 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": [
                                            "Continued fermentation can increase alcohol content during storage.",
                                            "Carbon dioxide production in sealed containers can cause excessive pressure and container failure.",
                                            "Poor sanitation or unsuitable storage can allow spoilage or contamination.",
                                            "Versions made from rye, wheat or barley contain gluten unless specifically processed and verified otherwise.",
                                            "Residual sugar and alcohol content can differ substantially between products."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of kvass 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": [
                                            "Bread- and cereal-based kvass is associated especially with Eastern European and Baltic food traditions.",
                                            "Beet kvass uses beetroot as the principal substrate and differs substantially from cereal kvass in composition.",
                                            "Commercial products may be filtered, pasteurised or sweetened, while household versions may retain active fermentation."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of kvass 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": "Beer",
                                                "difference": "Beer is generally made by alcoholic fermentation of cereal wort; traditional kvass commonly combines alcoholic and lactic fermentation and is consumed at lower alcohol content, although the boundaries overlap."
                                            },
                                            {
                                                "name": "Kombucha",
                                                "difference": "Kombucha is fermented sweetened tea, whereas traditional kvass uses bread or cereal-derived substrates."
                                            },
                                            {
                                                "name": "Kvass-flavoured soft drink",
                                                "difference": "A kvass-flavoured soft drink can reproduce the flavour without fermentation; fermented kvass has undergone microbial conversion of its ingredients."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of kvass this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does vr.tr.kvass include beet and other non-cereal kvass traditions, and which authoritative sources establish that scope?",
                "Which production and compositional criteria distinguish kvass from beer and formulated kvass-flavoured beverages in the intended markets?",
                "What product-specific evidence establishes acceptable microbial condition and shelf life for active and stabilised kvass?",
                "How much can alcohol concentration and package pressure change during the intended storage period for the formulations covered?",
                "Which analytical methods and style-specific acceptance limits should govern acidity, sugars, carbonation and sensory departures?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 18,
                "questions": 28
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "chemical substance or material",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a kvass, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise kvass, assess the condition of a particular batch or product, and decide how it may be stored, served or further processed.",
            "characteristics": {
                "substance": "material",
                "origin": "natural",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured",
                "consumed or used up"
            ],
            "distinguishingFeatures": [
                "Described in 81 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 kvass, 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": [],
            "standing": "Described in 81 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one kvass from another, and a kvass 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 kvass, 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 kvass, 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 kvass 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 kvass, 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 kvass, 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 kvass 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 kvass 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 kvass, 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 kvass, 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 kvass 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 kvass from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a kvass, 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 kvass, 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 kvass 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 kvass 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 kvass, 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 kvass, 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 kvass 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 kvass is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a kvass, 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 kvass, 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 kvass 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 kvass is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a kvass, 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 kvass, 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 kvass 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 kvass 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 kvass is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a kvass, 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 kvass, 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 kvass 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 kvass 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 kvass, 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 kvass, 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 kvass 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 kvass 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 kvass between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a kvass, 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 kvass, 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 kvass 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 kvass, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a kvass 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 kvass, 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 kvass, 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 kvass 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 kvass 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 kvass is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a kvass performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a kvass, 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 kvass, 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 kvass 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 kvass.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a kvass at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a kvass, 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 kvass, 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 kvass 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 kvass there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a kvass, 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 kvass, 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 kvass 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 kvass 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 kvass 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 kvass 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 kvass 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 kvass, 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 kvass 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 kvass 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 kvass 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 kvass, 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 kvass 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 kvass and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a kvass, 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 kvass, 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 kvass 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 kvass is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a kvass, 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 kvass, 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 kvass 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
            }
        }
    }
}