{
    "model": {
        "rank": 6862,
        "code": "thing-q4831844",
        "model_id": "vr.tr.meatball",
        "name": "meatball",
        "purpose": "Enable an agent to recognise a meatball, assess its composition and preparation state, and determine suitable handling, cooking and serving actions.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q4831844/",
        "tier": 2,
        "score": 58,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "bakso",
                "İnegöl meatballs",
                "Köftes in the Turkish cuisine",
                "Mirik meatball",
                "boh puniaram",
                "Ödemiş köfte",
                "Manisa kebap",
                "Mavželj",
                "Rista",
                "Lion's head",
                "pork ball",
                "Swedish meatballs",
                "Harput meatballs",
                "Frikkadel",
                "sticky rice meatballs",
                "Crab jujube",
                "Dalyan köfte",
                "frikadeller",
                "karbonade",
                "pupu",
                "Kuftetirş"
            ],
            "aliasCount": 21,
            "merged": 21,
            "knownIn": 58,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.meatball",
            "source": {
                "dataset": "wikidata",
                "item": "Q4831844",
                "url": "https://www.wikidata.org/wiki/Q4831844",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T23:39:45Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 18.8,
                        "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: 01a08889-ce4c-74f3-8eb5-c84bf2efeac0\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: meatball\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 007: 1001 regist",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 58.3,
                        "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: 01a08889-ce44-7ba0-bbcb-0d6bd506ce91\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: meatball\nRegistry id: vr.tr.meatball\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContex"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q4831844",
                "registryId": "vr.tr.meatball",
                "name": "meatball",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.MAT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q4831844/",
            "model": {
                "registry_id": "vr.tr.meatball",
                "name": "meatball",
                "purpose": "Enable an agent to recognise a meatball, assess its composition and preparation state, and determine suitable handling, cooking and serving actions.",
                "definition": "A meatball is a prepared food consisting of ground or finely chopped meat formed into a roughly rounded portion, often with seasonings, binders or other ingredients, and cooked.",
                "scope_statement": "This model owns a discrete food portion formed from a mixture based on minced or ground meat, including its ingredients, shape, cohesion, preparation state and handling history; the inclusion of meat-free products called meatballs remains an explicit boundary question.",
                "in_scope": [
                    "The individual formed portion and its relationship to a production or recipe batch",
                    "Meat species, ingredient proportions, binders, fillers and incorporated seasonings",
                    "Size, rounded form, internal structure and resistance to crumbling",
                    "Raw, partially cooked, cooked, chilled, frozen and reheated states",
                    "Storage and preparation evidence needed to judge suitability for further use",
                    "Interaction with cooking liquids, sauces and serving arrangements"
                ],
                "out_of_scope": [
                    "Livestock husbandry, slaughter and primary meat production",
                    "The recipe as an instructional work",
                    "The complete dish, meal or menu containing the meatball",
                    "Sauce or broth as an independently modelled food",
                    "Cookers, grinders and forming equipment",
                    "Chemical-substance identities or universal material constants for this variable food mixture"
                ],
                "distinguishing_features": [
                    "It is a discrete portion formed from minced or ground meat mixture, rather than an intact muscle cut or an unformed quantity of mince.",
                    "Its intended form is rounded or approximately ball-like; flattened patties and elongated meat preparations require explicit boundary decisions.",
                    "The formed mixture itself supplies the body of the portion, rather than being merely a filling enclosed in a separate dough wrapper.",
                    "Its identity does not depend on a particular sauce, meat species or cooking method.",
                    "It is a composite food with recipe-dependent properties, rather than a pure chemical substance with fixed composition."
                ],
                "characteristics": [
                    {
                        "name": "Meat and other base ingredients",
                        "kind": "category",
                        "unit_or_values": "Declared meat species and cuts; other base ingredients; unknown",
                        "why_it_matters": "Supports identity, dietary screening and selection of appropriate preparation guidance."
                    },
                    {
                        "name": "Ingredient proportions",
                        "kind": "measurement",
                        "unit_or_values": "Mass percentage on a stated raw-mixture or finished-product basis",
                        "why_it_matters": "Distinguishes meat content from fillers, binders and added liquid without confusing pre-cooking and post-cooking composition."
                    },
                    {
                        "name": "Binder and allergen profile",
                        "kind": "category",
                        "unit_or_values": "Named binders and declared allergens; assessed cross-contact information; unknown",
                        "why_it_matters": "Connects cohesion mechanisms and ingredient evidence to suitability for a particular eater."
                    },
                    {
                        "name": "Portion mass and dimensions",
                        "kind": "measurement",
                        "unit_or_values": "g per meatball; principal dimensions in mm; measured preparation state",
                        "why_it_matters": "Supports portioning and assessment of cooking consistency across a batch."
                    },
                    {
                        "name": "Shape and cohesion",
                        "kind": "state",
                        "unit_or_values": "Rounded, irregular or flattened; intact, cracked, crumbling or disintegrated",
                        "why_it_matters": "Helps identify the portion and decide whether it can withstand turning, simmering or serving."
                    },
                    {
                        "name": "Preparation state",
                        "kind": "state",
                        "unit_or_values": "Raw, partially cooked, cooked or reheated, with chilled or frozen condition recorded separately",
                        "why_it_matters": "Prevents storage condition or surface browning from being mistaken for evidence of completed cooking."
                    },
                    {
                        "name": "Measured internal temperature",
                        "kind": "measurement",
                        "unit_or_values": "°C with measurement time, probe position and any observed holding duration",
                        "why_it_matters": "Provides evidence for comparison with an applicable cooking or reheating criterion."
                    },
                    {
                        "name": "Batch and handling history",
                        "kind": "relation",
                        "unit_or_values": "Links to ingredient lots, forming batch, storage events, thawing events and cooking records",
                        "why_it_matters": "Makes preparation evidence and handling concerns traceable to affected portions."
                    }
                ],
                "affordances": [
                    "Compare its ingredients with an eater's declared dietary and allergen constraints.",
                    "Group meatballs by size and preparation state for a suitable cooking process.",
                    "Select a cooking or reheating action using ingredient identity and applicable validated guidance.",
                    "Assess whether cohesion permits turning, skewering or simmering without losing the portion's form.",
                    "Trace a meatball to its batch and identify portions sharing a handling concern.",
                    "Portion and serve it while distinguishing meatball mass from accompanying sauce or broth."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "meatball-identity-and-composition",
                        "name": "Meatball identity and composition",
                        "description": "Establishes what the formed portion is made from and why it belongs within the meatball category.",
                        "rationale": "The domain label alone does not distinguish a composite prepared food from a chemical material or a neighbouring meat preparation.",
                        "layers": [
                            {
                                "id": "formed-food-boundary",
                                "name": "Formed food boundary",
                                "description": "Identifies the meatball independently of its recipe, wrapper or accompanying dish.",
                                "findings": [
                                    {
                                        "id": "discrete-rounded-meat-mixture",
                                        "name": "Discrete rounded meat mixture",
                                        "description": "Record the formed portion's base mixture and intended shape, and make borderline classifications explicit.",
                                        "questions": [
                                            {
                                                "text": "Is the portion formed from minced or ground meat mixture, and what evidence identifies it as a meatball?",
                                                "kind": "definition",
                                                "id": "discrete-rounded-meat-mixture-q01"
                                            },
                                            {
                                                "text": "Does its shape or enclosing structure place it closer to a patty, elongated meat preparation or filled dumpling?",
                                                "kind": "boundary",
                                                "id": "discrete-rounded-meat-mixture-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "mixture-and-dietary-identity",
                                "name": "Mixture and dietary identity",
                                "description": "Captures meat sources and other ingredients that change the portion's identity or suitability.",
                                "findings": [
                                    {
                                        "id": "declared-mixture",
                                        "name": "Declared mixture",
                                        "description": "Record species, binders, fillers, seasonings and incorporated fillings from available ingredient evidence, preserving unknowns.",
                                        "questions": [
                                            {
                                                "text": "Which meat species and non-meat ingredients are documented, and does that information come from a label, recipe or batch record?",
                                                "kind": "provenance",
                                                "id": "declared-mixture-q01"
                                            },
                                            {
                                                "text": "Which ingredients or documented cross-contact conditions affect suitability for the intended eater?",
                                                "kind": "action",
                                                "id": "declared-mixture-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "portion-geometry-and-cohesion",
                        "name": "Portion geometry and cohesion",
                        "description": "Describes the dimensions and structural integrity of the formed mixture.",
                        "rationale": "Meatball size and cohesion influence portion consistency, heating assessment and the handling actions the portion can tolerate.",
                        "layers": [
                            {
                                "id": "size-and-batch-variation",
                                "name": "Size and batch variation",
                                "description": "Records individual portion size and meaningful differences within a batch.",
                                "findings": [
                                    {
                                        "id": "measured-portion",
                                        "name": "Measured portion",
                                        "description": "Record mass and dimensions in a stated preparation state, including variation relevant to cooking and serving.",
                                        "questions": [
                                            {
                                                "text": "What are the meatball's mass and principal dimensions, and were they measured before or after cooking?",
                                                "kind": "measurement",
                                                "id": "measured-portion-q01"
                                            },
                                            {
                                                "text": "How much do the largest and smallest meatballs in the cooking batch differ in size?",
                                                "kind": "measurement",
                                                "id": "measured-portion-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "mixture-binding-and-integrity",
                                "name": "Mixture binding and integrity",
                                "description": "Connects the mixture's structure with its observed ability to retain a discrete form.",
                                "findings": [
                                    {
                                        "id": "shape-retention",
                                        "name": "Shape retention",
                                        "description": "Record binding ingredients or preparation steps when known, alongside observed cracking, crumbling and deformation.",
                                        "questions": [
                                            {
                                                "text": "Which documented ingredients and mixing or forming steps are intended to hold this meatball together?",
                                                "kind": "provenance",
                                                "id": "shape-retention-q01"
                                            },
                                            {
                                                "text": "Can it be lifted, turned or simmered in its current state without breaking apart?",
                                                "kind": "action",
                                                "id": "shape-retention-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "cooking-and-eating-quality",
                        "name": "Cooking and eating quality",
                        "description": "Tracks preparation progress and the eating qualities sought for the particular meatball.",
                        "rationale": "A browned exterior, a desirable texture and evidence of adequate cooking are distinct observations that an agent must not conflate.",
                        "layers": [
                            {
                                "id": "heating-state-and-evidence",
                                "name": "Heating state and evidence",
                                "description": "Records cooking history and measurements needed to assess completion against applicable guidance.",
                                "findings": [
                                    {
                                        "id": "internal-cooking-evidence",
                                        "name": "Internal cooking evidence",
                                        "description": "Keep claimed preparation state separate from measured evidence and the criterion used to judge it.",
                                        "questions": [
                                            {
                                                "text": "What cooking stages has this meatball undergone, including any partial cooking, cooling and reheating?",
                                                "kind": "provenance",
                                                "id": "internal-cooking-evidence-q01"
                                            },
                                            {
                                                "text": "What internal temperature and holding-duration evidence exists, and where and when was it measured?",
                                                "kind": "measurement",
                                                "id": "internal-cooking-evidence-q02"
                                            },
                                            {
                                                "text": "Which validated criterion applies to this ingredient mixture and preparation setting before serving?",
                                                "kind": "action",
                                                "id": "internal-cooking-evidence-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "texture-and-liquid-interaction",
                                "name": "Texture and liquid interaction",
                                "description": "Describes crust, interior texture and changes associated with sauce or broth contact.",
                                "findings": [
                                    {
                                        "id": "intended-eating-state",
                                        "name": "Intended eating state",
                                        "description": "Record recipe-specific quality targets and observations without treating preference as a universal meatball standard.",
                                        "questions": [
                                            {
                                                "text": "What exterior browning, interior firmness and perceived juiciness are intended for this preparation?",
                                                "kind": "definition",
                                                "id": "intended-eating-state-q01"
                                            },
                                            {
                                                "text": "Would further frying, baking or simmering improve the intended texture or cause unacceptable drying or disintegration?",
                                                "kind": "action",
                                                "id": "intended-eating-state-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "handling-traceability-and-service",
                        "name": "Handling, traceability and service",
                        "description": "Connects each portion to its batch, storage history and intended serving context.",
                        "rationale": "Similar-looking meatballs can differ in ingredients and handling history, while sauce or shared storage can obscure portion identity.",
                        "layers": [
                            {
                                "id": "batch-storage-and-thawing",
                                "name": "Batch storage and thawing",
                                "description": "Preserves the link between formed portions and the events affecting their suitability for use.",
                                "findings": [
                                    {
                                        "id": "portion-handling-record",
                                        "name": "Portion handling record",
                                        "description": "Record batch identity, relevant time and temperature history, and uncertainty that prevents a supported handling decision.",
                                        "questions": [
                                            {
                                                "text": "Which forming batch and ingredient lots does this meatball belong to?",
                                                "kind": "provenance",
                                                "id": "portion-handling-record-q01"
                                            },
                                            {
                                                "text": "What storage, thawing and post-cooking holding history is documented for the portion or its batch?",
                                                "kind": "provenance",
                                                "id": "portion-handling-record-q02"
                                            },
                                            {
                                                "text": "Does the available history support cooking, continued storage or serving under the applicable handling guidance?",
                                                "kind": "action",
                                                "id": "portion-handling-record-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "serving-and-dish-boundary",
                                "name": "Serving and dish boundary",
                                "description": "Tracks the portion's contribution to a serving without absorbing the entire dish into its identity.",
                                "findings": [
                                    {
                                        "id": "meatball-in-service",
                                        "name": "Meatball in service",
                                        "description": "Record portion counts, meatball-only quantities and relations to accompaniments, including ingredients introduced at service.",
                                        "questions": [
                                            {
                                                "text": "Which components belong to the meatball itself, and which belong to its coating, accompanying sauce, broth or complete dish?",
                                                "kind": "boundary",
                                                "id": "meatball-in-service-q01"
                                            },
                                            {
                                                "text": "How many meatballs and what meatball-only mass make up the intended serving?",
                                                "kind": "measurement",
                                                "id": "meatball-in-service-q02"
                                            },
                                            {
                                                "text": "Do added sauces, garnishes or shared serving utensils change the dietary assessment for this serving?",
                                                "kind": "action",
                                                "id": "meatball-in-service-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "The ordinary culinary sense is assumed because no sense was recorded; this is a prepared food, not a chemically defined substance.",
                                            "Recipes, sizes, composition and naming boundaries vary substantially, so no universal measurement ranges or substance identifiers are supplied.",
                                            "Applicable food standards, labeling requirements and cooking guidance depend on ingredients, product form and jurisdiction and have not been checked."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of meatball 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": [
                                            "Beef meatballs",
                                            "Pork meatballs",
                                            "Mixed beef-and-pork meatballs",
                                            "Lamb meatballs",
                                            "Poultry meatballs",
                                            "Stuffed meatballs"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of meatball 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": [
                                            "Served as a main dish with sauce and accompaniments",
                                            "Added to soups and stews",
                                            "Served with pasta",
                                            "Used as a sandwich filling",
                                            "Served as an appetizer or snack"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of meatball 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": [
                                            "Insufficient cooking can leave foodborne pathogens present in the meat.",
                                            "Improper storage or handling can allow microbial growth or cross-contamination.",
                                            "Ingredients such as breadcrumbs, eggs, milk or soy can introduce allergens.",
                                            "An unsuitable mixture or shaping method can cause meatballs to break apart during cooking.",
                                            "Excessive cooking can produce a dry, tough texture."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of meatball 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": [
                                            "Swedish köttbullar are commonly small meatballs served with accompaniments such as gravy, potatoes and lingonberries.",
                                            "Italian polpette vary in ingredients and preparation; the broader term also includes some preparations without meat.",
                                            "Chinese lion's head meatballs are typically large pork meatballs served braised or in soup."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of meatball 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": "Ground meat",
                                                "difference": "Ground meat is an ingredient; a meatball is a formed food portion made from it or finely chopped meat."
                                            },
                                            {
                                                "name": "Meat patty",
                                                "difference": "A patty is flattened, whereas a meatball is roughly rounded."
                                            },
                                            {
                                                "name": "Meatloaf",
                                                "difference": "Meatloaf is formed and cooked as a larger loaf, usually sliced for serving."
                                            },
                                            {
                                                "name": "Kofta",
                                                "difference": "Kofta overlaps with meatballs but also includes elongated, flattened and meatless preparations."
                                            },
                                            {
                                                "name": "Plant-based meatball",
                                                "difference": "A plant-based meatball imitates the form and culinary role using ingredients other than animal meat."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of meatball this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the registry intend meatball to include meat-free analogues, fish-based balls or both, and which neighbouring entries already own those concepts?",
                "How should the registry distinguish irregular or elongated meatballs from patties, kofta and other overlapping culinary categories?",
                "Which authoritative cooking, cooling, storage and reheating guidance applies to each ingredient mixture and intended jurisdiction or service setting?",
                "Which measurement methods and recipe-specific criteria should define acceptable cohesion, firmness and cooking yield?",
                "Does an existing Vercy world model already cover this concept and require this registry entry to link to it instead of receiving a separate publication?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 14,
                "questions": 25
            }
        },
        "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 meatball, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise a meatball, assess its composition and preparation state, and determine suitable handling, cooking and serving actions.",
            "characteristics": {
                "substance": "material",
                "origin": "natural",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured",
                "consumed or used up"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: bakso, İnegöl meatballs, Köftes in the Turkish cuisine, Mirik meatball, boh puniaram, Ödemiş köfte, Manisa kebap, Mavželj, Rista, Lion's head, pork ball, Swedish meatballs.",
                "21 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 58 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 meatball, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state",
                "use it up, and then need more of it"
            ],
            "howItIsRecognised": [
                "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "bakso",
                        "İnegöl meatballs",
                        "Köftes in the Turkish cuisine",
                        "Mirik meatball",
                        "boh puniaram",
                        "Ödemiş köfte",
                        "Manisa kebap",
                        "Mavželj",
                        "Rista",
                        "Lion's head",
                        "pork ball",
                        "Swedish meatballs"
                    ]
                }
            ],
            "standing": "Described in 58 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 21 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one meatball from another, and a meatball 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 meatball, 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 meatball, 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 meatball 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 meatball, 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 meatball, 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 meatball 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 meatball 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 meatball, 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 meatball, 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 meatball 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 meatball from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a meatball, 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 meatball, 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 meatball 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 meatball 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 meatball, 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 meatball, 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 meatball 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 meatball is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a meatball, 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 meatball, 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 meatball 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 meatball is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a meatball, 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 meatball, 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 meatball 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 meatball 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 meatball is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a meatball, 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 meatball, 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 meatball 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 meatball 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 meatball, 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 meatball, 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 meatball 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 meatball 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 meatball between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a meatball, 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 meatball, 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 meatball 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 meatball, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a meatball 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 meatball, 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 meatball, 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 meatball 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 meatball 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 meatball is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a meatball performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a meatball, 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 meatball, 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 meatball 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 meatball.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a meatball at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a meatball, 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 meatball, 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 meatball 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 meatball there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a meatball, 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 meatball, 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 meatball 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 meatball 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 meatball 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 meatball 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 meatball 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 meatball, 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 meatball 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 meatball 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 meatball 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 meatball, 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 meatball 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 meatball and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a meatball, 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 meatball, 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 meatball 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 meatball is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a meatball, 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 meatball, 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 meatball 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
            }
        }
    }
}