{
    "model": {
        "rank": 4422,
        "code": "thing-q187359",
        "model_id": "vr.tr.diaper",
        "name": "diaper",
        "purpose": "Enable an agent to recognize a diaper, assess its suitability and condition, and determine appropriate fitting, changing, reuse, or disposal actions.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q187359/",
        "tier": 2,
        "score": 75,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "swim diaper",
                "dog diaper",
                "cloth diaper",
                "disposable diaper",
                "infant diaper",
                "adult diaper",
                "Moony",
                "Luvs"
            ],
            "aliasCount": 8,
            "merged": 8,
            "knownIn": 75,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.diaper-artifact",
            "source": {
                "dataset": "wikidata",
                "item": "Q187359",
                "url": "https://www.wikidata.org/wiki/Q187359",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T20:11:01Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 21.1,
                        "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: 01a087ca-9e8a-7e61-af51-019cd3be17af\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: diaper\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: 1001 registere",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 64.2,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087ca-9e9a-7173-b5d0-4e59d13ad1d2\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: diaper\nRegistry id: vr.tr.diaper\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext fo"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q187359",
                "registryId": "vr.tr.diaper",
                "name": "diaper",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q187359/",
            "model": {
                "registry_id": "vr.tr.diaper",
                "name": "diaper",
                "purpose": "Enable an agent to recognize a diaper, assess its suitability and condition, and determine appropriate fitting, changing, reuse, or disposal actions.",
                "definition": "A diaper is an absorbent garment worn around the pelvis and between the legs to receive and retain urine and contain feces when the wearer does not use a toilet for elimination.",
                "scope_statement": "This model owns the diaper as a kind of wearable article positioned around the crotch to absorb urine and contain feces, including disposable, reusable, and hybrid constructions for infant, child, or adult use; product specifications and individual article states are recorded as instances of this kind.",
                "in_scope": [
                    "Diaper construction, absorbent components, containment barriers, and integrated or required closures",
                    "Intended wearer range, body fit, and adjustment",
                    "Absorption, fecal containment, leakage, and limits of intended use",
                    "Clean, worn, wet, soiled, damaged, and reusable-service states",
                    "Changing, laundering where permitted, and disposal requirements"
                ],
                "out_of_scope": [
                    "Diagnosis and treatment of incontinence, skin disease, or developmental conditions",
                    "Menstrual products, wound dressings, and bed or chair underpads",
                    "Standalone diaper covers, absorbent inserts, and liners as independent article kinds",
                    "Changing tables, wipes, creams, pails, and other care accessories",
                    "Manufacturing equipment, brand portfolios, and retail packaging as separate things"
                ],
                "distinguishing_features": [
                    "Is worn at the crotch and retained around the body, unlike an underpad placed on a bed or chair.",
                    "Is intended to receive excreta during wear, unlike ordinary underwear whose primary function is clothing.",
                    "Provides an absorbent and containment arrangement either directly or as an explicitly specified assembly; a standalone waterproof cover does not supply the complete arrangement.",
                    "Is designed for urine absorption and fecal containment rather than primarily for menstrual discharge or wound exudate.",
                    "May use tabs, pins, snaps, a folded arrangement, or a pull-on waist; closure style alone does not determine whether an article is a diaper."
                ],
                "characteristics": [
                    {
                        "name": "Use-cycle construction",
                        "kind": "category",
                        "unit_or_values": "single-use; reusable; hybrid; unspecified",
                        "why_it_matters": "Determines which components may be cleaned, replaced, or discarded."
                    },
                    {
                        "name": "Intended wearer group",
                        "kind": "category",
                        "unit_or_values": "infant; child; adult; other explicitly declared use",
                        "why_it_matters": "Establishes the intended use context without inferring fit from age alone."
                    },
                    {
                        "name": "Declared fit range",
                        "kind": "measurement",
                        "unit_or_values": "manufacturer-stated body mass in kg and waist or hip circumference in cm, where supplied",
                        "why_it_matters": "Supports selection while preserving the difference between size labels and measured body dimensions."
                    },
                    {
                        "name": "Retention and closure arrangement",
                        "kind": "category",
                        "unit_or_values": "adhesive tabs; hook-and-loop tabs; snaps; pins; pull-on elastic; externally secured fold; other",
                        "why_it_matters": "Determines fitting, adjustment, removal, and closure inspection actions."
                    },
                    {
                        "name": "Component dependency",
                        "kind": "relation",
                        "unit_or_values": "integrated components and required compatible insert, cover, liner, or fastener",
                        "why_it_matters": "Prevents an incomplete assembly from being judged ready to wear."
                    },
                    {
                        "name": "Absorption and retention performance",
                        "kind": "measurement",
                        "unit_or_values": "mL or g of test liquid, with liquid composition, loading procedure, applied pressure, and endpoint",
                        "why_it_matters": "Makes capacity claims interpretable without treating laboratory capacity as a guaranteed wear allowance."
                    },
                    {
                        "name": "Liquid acquisition and surface rewet",
                        "kind": "measurement",
                        "unit_or_values": "acquisition time in s and rewet mass in g, each with test conditions",
                        "why_it_matters": "Distinguishes accepting liquid quickly from retaining it away from the skin-contact surface."
                    },
                    {
                        "name": "Current article condition",
                        "kind": "state",
                        "unit_or_values": "clean and dry; fitted; wet; fecally soiled; leaking; damaged; awaiting cleaning; cleaning incomplete; retired; unknown; multiple states may apply",
                        "why_it_matters": "Supports changing and reuse decisions based on actual condition."
                    },
                    {
                        "name": "Fit condition",
                        "kind": "state",
                        "unit_or_values": "secure with observed seal; gaps; slipping; constricting; incorrectly oriented; unassessed",
                        "why_it_matters": "Separates fit-related leakage or discomfort from absorbent-material limitations."
                    },
                    {
                        "name": "Care-instruction authority",
                        "kind": "relation",
                        "unit_or_values": "identified product instructions for assembly, storage, laundering, drying, and disposal",
                        "why_it_matters": "Connects permitted actions to instructions applicable to the actual construction."
                    }
                ],
                "affordances": [
                    "Select a candidate diaper using declared fit, intended use, and component requirements.",
                    "Assemble, orient, fit, and adjust the diaper using its specified closure arrangement.",
                    "Inspect fit, wetness, soiling, leakage, and damage to determine whether changing or replacement is needed.",
                    "Remove and separate components for authorized cleaning or disposal.",
                    "Launder and dry reusable components according to applicable instructions, then inspect readiness for reuse.",
                    "Compare documented absorption and containment performance only where test conditions support comparison."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "diaper-identity-and-assembly",
                        "name": "Diaper identity and assembly",
                        "description": "Establishes what constitutes the diaper and which components make it usable.",
                        "rationale": "A diaper may be one integrated article or an assembly whose absorbent and containment functions reside in separate components.",
                        "layers": [
                            {
                                "id": "intended-excreta-management",
                                "name": "Intended excreta management",
                                "description": "Defines the use that distinguishes the diaper from adjacent absorbent articles.",
                                "findings": [
                                    {
                                        "id": "diaper-kind-boundary",
                                        "name": "Diaper kind boundary",
                                        "description": "Record the article's declared bodily placement, wearer, and urine-absorption and fecal-containment purpose.",
                                        "questions": [
                                            {
                                                "text": "What intended use makes this article a diaper rather than an underpad, menstrual pad, or ordinary underwear?",
                                                "kind": "definition",
                                                "id": "diaper-kind-boundary-q01"
                                            },
                                            {
                                                "text": "Which manufacturer description or other authoritative classification establishes that intended use?",
                                                "kind": "provenance",
                                                "id": "diaper-kind-boundary-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "functional-component-assembly",
                                "name": "Functional component assembly",
                                "description": "Identifies where absorption, containment, skin contact, and retention are provided.",
                                "findings": [
                                    {
                                        "id": "complete-wearable-arrangement",
                                        "name": "Complete wearable arrangement",
                                        "description": "Record integrated and separate components without treating an insert or cover alone as a complete diaper.",
                                        "questions": [
                                            {
                                                "text": "Which components provide absorption, the outer containment barrier, the skin-contact surface, and attachment?",
                                                "kind": "definition",
                                                "id": "complete-wearable-arrangement-q01"
                                            },
                                            {
                                                "text": "Which compatible components must be added or correctly positioned before this diaper can be worn?",
                                                "kind": "action",
                                                "id": "complete-wearable-arrangement-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "wearer-fit-and-retention",
                        "name": "Wearer fit and retention",
                        "description": "Relates diaper dimensions, closures, and opening geometry to the intended wearer.",
                        "rationale": "Absorbent capacity does not establish suitability when leg openings gap, the waist slips, or the diaper constricts the wearer.",
                        "layers": [
                            {
                                "id": "size-and-body-compatibility",
                                "name": "Size and body compatibility",
                                "description": "Separates declared sizing from observed fit on a wearer.",
                                "findings": [
                                    {
                                        "id": "declared-size-versus-fit",
                                        "name": "Declared size versus fit",
                                        "description": "Record the product's sizing basis and assess waist, crotch, and leg-opening fit.",
                                        "questions": [
                                            {
                                                "text": "What body-mass or circumference ranges are declared, and what units and sizing source accompany them?",
                                                "kind": "measurement",
                                                "id": "declared-size-versus-fit-q01"
                                            },
                                            {
                                                "text": "What observations indicate leg gaps, waist slipping, insufficient coverage, or constriction on this wearer?",
                                                "kind": "boundary",
                                                "id": "declared-size-versus-fit-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "fastening-and-positioning",
                                "name": "Fastening and positioning",
                                "description": "Covers orientation, closure operation, and retention during movement.",
                                "findings": [
                                    {
                                        "id": "secure-diaper-placement",
                                        "name": "Secure diaper placement",
                                        "description": "Record how the diaper is positioned and secured, including the condition of its closures and elastics.",
                                        "questions": [
                                            {
                                                "text": "How are front, back, absorbent components, and containment cuffs identified and positioned?",
                                                "kind": "action",
                                                "id": "secure-diaper-placement-q01"
                                            },
                                            {
                                                "text": "Which closure adjustments are permitted, and what closure or elastic damage prevents secure wear?",
                                                "kind": "action",
                                                "id": "secure-diaper-placement-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "absorption-and-excreta-containment",
                        "name": "Absorption and excreta containment",
                        "description": "Separates liquid uptake and retention from leakage pathways and fecal containment.",
                        "rationale": "A diaper can have unused absorbent capacity yet leak through openings or fail to contain feces.",
                        "layers": [
                            {
                                "id": "liquid-handling-performance",
                                "name": "Liquid handling performance",
                                "description": "Makes absorption claims dependent on their test methods and endpoints.",
                                "findings": [
                                    {
                                        "id": "qualified-absorbency-evidence",
                                        "name": "Qualified absorbency evidence",
                                        "description": "Record acquisition, capacity, and rewet as distinct measurements rather than a single unqualified absorbency rating.",
                                        "questions": [
                                            {
                                                "text": "What uptake, retention, acquisition-time, or rewet measurements exist, with units and complete test conditions?",
                                                "kind": "measurement",
                                                "id": "qualified-absorbency-evidence-q01"
                                            },
                                            {
                                                "text": "Who produced the results, and which named method and version were used?",
                                                "kind": "provenance",
                                                "id": "qualified-absorbency-evidence-q02"
                                            },
                                            {
                                                "text": "What prevents these results from being translated directly into a safe or reliable wear duration?",
                                                "kind": "boundary",
                                                "id": "qualified-absorbency-evidence-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "containment-pathways",
                                "name": "Containment pathways",
                                "description": "Examines escape through the waist, legs, backing, seams, or displaced components.",
                                "findings": [
                                    {
                                        "id": "leakage-location-and-cause",
                                        "name": "Leakage location and cause",
                                        "description": "Record observed leakage separately from hypotheses about saturation, fit, damage, or assembly.",
                                        "questions": [
                                            {
                                                "text": "Where did urine or feces escape, and what were the wear position and diaper condition at the time?",
                                                "kind": "measurement",
                                                "id": "leakage-location-and-cause-q01"
                                            },
                                            {
                                                "text": "What evidence distinguishes saturation from opening gaps, displaced absorbency, or a damaged containment barrier?",
                                                "kind": "boundary",
                                                "id": "leakage-location-and-cause-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "skin-interface-and-changing",
                        "name": "Skin interface and changing",
                        "description": "Records the diaper's contact surfaces, observed wear condition, and changing actions.",
                        "rationale": "A diaper's usefulness depends on its condition against the wearer, and apparent remaining capacity alone cannot determine continued use.",
                        "layers": [
                            {
                                "id": "skin-contact-composition",
                                "name": "Skin-contact composition",
                                "description": "Identifies materials and added substances relevant to wearer compatibility.",
                                "findings": [
                                    {
                                        "id": "documented-contact-materials",
                                        "name": "Documented contact materials",
                                        "description": "Record declared skin-contact materials, lotions, fragrances, and relevant product compatibility information without inferring medical safety.",
                                        "questions": [
                                            {
                                                "text": "Which materials or added substances are documented as contacting the wearer during intended use?",
                                                "kind": "provenance",
                                                "id": "documented-contact-materials-q01"
                                            },
                                            {
                                                "text": "Which documented wearer requirements or product restrictions affect selection of this diaper?",
                                                "kind": "boundary",
                                                "id": "documented-contact-materials-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "wear-state-and-removal",
                                "name": "Wear state and removal",
                                "description": "Distinguishes observable wetness and soiling from signals that only indirectly indicate condition.",
                                "findings": [
                                    {
                                        "id": "change-decision-evidence",
                                        "name": "Change decision evidence",
                                        "description": "Record observations and applicable care instructions supporting a change, including the limitations of any wetness indicator.",
                                        "questions": [
                                            {
                                                "text": "What wetness, fecal soiling, leakage, displacement, damage, or wearer discomfort has been observed?",
                                                "kind": "measurement",
                                                "id": "change-decision-evidence-q01"
                                            },
                                            {
                                                "text": "If a wetness indicator is present, what does its documented signal establish and what does it leave unknown?",
                                                "kind": "boundary",
                                                "id": "change-decision-evidence-q02"
                                            },
                                            {
                                                "text": "What applicable instructions govern changing and removal for the observed condition?",
                                                "kind": "action",
                                                "id": "change-decision-evidence-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "diaper-service-cycle",
                        "name": "Diaper service cycle",
                        "description": "Governs transitions from clean storage through use to cleaning, retirement, or disposal.",
                        "rationale": "Disposable, reusable, and hybrid diapers require different actions, often at the component level.",
                        "layers": [
                            {
                                "id": "reusable-component-care",
                                "name": "Reusable component care",
                                "description": "Connects cleaning and drying actions to the specific reusable absorbent and barrier components.",
                                "findings": [
                                    {
                                        "id": "cleaning-and-reuse-readiness",
                                        "name": "Cleaning and reuse readiness",
                                        "description": "Record prescribed care, completed processing, and defects that affect reuse.",
                                        "questions": [
                                            {
                                                "text": "Which components may be washed and dried, and what instructions govern temperature, detergents, additives, and drying method?",
                                                "kind": "action",
                                                "id": "cleaning-and-reuse-readiness-q01"
                                            },
                                            {
                                                "text": "What evidence shows that cleaning and drying are complete and that absorbency, closures, elastics, and barriers remain serviceable?",
                                                "kind": "boundary",
                                                "id": "cleaning-and-reuse-readiness-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "storage-and-end-of-use",
                                "name": "Storage and end of use",
                                "description": "Covers readiness after storage and the appropriate destination of used or retired components.",
                                "findings": [
                                    {
                                        "id": "component-specific-retirement",
                                        "name": "Component-specific retirement",
                                        "description": "Record storage-related defects and disposal directions with their product and local-service context.",
                                        "questions": [
                                            {
                                                "text": "What moisture, contamination, barrier damage, or closure deterioration makes a stored diaper unsuitable for use?",
                                                "kind": "boundary",
                                                "id": "component-specific-retirement-q01"
                                            },
                                            {
                                                "text": "Which product instructions and local waste-service rules govern disposal of this diaper and its separable components?",
                                                "kind": "provenance",
                                                "id": "component-specific-retirement-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "This entry covers the absorbent garment sense, including infant and adult use; it excludes the historical textile-pattern sense of 'diaper'.",
                                            "Product categories overlap: material, fastening style, wearer group, and swimming use are separate classification dimensions.",
                                            "Applicable standards, regulatory treatment, sizing ranges, and absorbency figures require product- and jurisdiction-specific verification; none are asserted here."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of diaper 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": [
                                            "Disposable absorbent diapers",
                                            "Reusable cloth diapers",
                                            "Hybrid diapers with reusable covers and replaceable absorbent inserts",
                                            "Pull-on diapers",
                                            "Adult incontinence diapers",
                                            "Swim diapers designed primarily to contain feces rather than absorb urine"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of diaper this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "scheme": "GS1 Global Trade Item Number (GTIN)",
                                                "value_or_pattern": "GTIN-8, GTIN-12, GTIN-13 or GTIN-14",
                                                "note": "Identifies a commercial trade item, such as a particular diaper size and pack configuration; it does not identify the general concept or ordinarily an individual diaper."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of diaper 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": [
                                            "Containing infant and toddler excreta before independent toilet use",
                                            "Managing urinary or fecal incontinence in children and adults",
                                            "Supporting personal care when disability or illness prevents reliable toilet use",
                                            "Containing feces during swimming through purpose-designed swim diapers"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of diaper 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": [
                                            "Leakage through leg openings or the waist because of poor fit, movement, or inadequate containment",
                                            "Leakage or surface wetness when the absorbent core is saturated or fluid arrives faster than it can be absorbed",
                                            "Skin irritation associated with prolonged wetness, contact with excreta, friction, or sensitivity to product ingredients",
                                            "Fastener, seam, or outer-layer failure that compromises fit or containment",
                                            "Transfer of fecal contamination during changing, handling, or inadequate cleaning of reusable diapers"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of diaper this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "The term 'diaper' predominates in American English; 'nappy' is common in British English and several other English varieties.",
                                            "Size labels and recommended wearer-weight bands vary among manufacturers and markets.",
                                            "The relative use of disposable and reusable diapers varies with cost, water and laundry access, waste services, and caregiving practices."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of diaper 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": "Incontinence pad",
                                                "difference": "A pad is generally held within underwear or a separate support garment, whereas a diaper forms or incorporates the garment secured around the wearer."
                                            },
                                            {
                                                "name": "Training pants",
                                                "difference": "Training pants primarily support toilet learning and management of accidents; absorbent pull-on designs overlap with diapers."
                                            },
                                            {
                                                "name": "Menstrual pad",
                                                "difference": "A menstrual pad is designed primarily to absorb menstrual discharge and is usually attached to underwear rather than enclosing the pelvis."
                                            },
                                            {
                                                "name": "Diaper cover",
                                                "difference": "A cover supplies a liquid-resistant outer barrier but normally depends on a separate absorbent diaper or insert."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of diaper this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does registry scope include swim diapers whose intended containment function may not include ordinary urine absorption, or should they be linked as a neighboring kind?",
                "Where does the registry place the boundary between diapers, absorbent incontinence underwear, and separately supported incontinence pads?",
                "Which published test methods provide comparable evidence for absorption, rewet, urine leakage, and fecal containment across disposable and reusable constructions?",
                "Which product classifications, labeling requirements, and conformity obligations apply in each intended jurisdiction and use context?",
                "What evidence supports reusable-component service-life limits and retirement criteria, especially for degraded elastics, barriers, and absorbent performance?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 17,
                "questions": 29
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "device, machine or tool",
            "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 diaper, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognize a diaper, assess its suitability and condition, and determine appropriate fitting, changing, reuse, or disposal actions.",
            "characteristics": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: swim diaper, dog diaper, cloth diaper, disposable diaper, infant diaper, adult diaper, Moony, Luvs.",
                "8 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 75 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 diaper, 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"
            ],
            "howItIsRecognised": [
                "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things."
            ],
            "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": [
                        "swim diaper",
                        "dog diaper",
                        "cloth diaper",
                        "disposable diaper",
                        "infant diaper",
                        "adult diaper",
                        "Moony",
                        "Luvs"
                    ]
                }
            ],
            "standing": "Described in 75 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 8 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 diaper from another, and a diaper 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 diaper, 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 diaper, 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 diaper 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 diaper, 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 diaper, 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 diaper 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 diaper 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 diaper, 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 diaper, 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 diaper 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 diaper from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a diaper, 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 diaper, 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 diaper 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 diaper 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 diaper, 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 diaper, 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 diaper 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 diaper is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a diaper, 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 diaper, 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 diaper 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 diaper is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a diaper, 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 diaper, 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 diaper 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 diaper 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 diaper is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a diaper, 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 diaper, 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 diaper 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 diaper 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 diaper, 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 diaper, 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 diaper 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 diaper 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 diaper between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a diaper, 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 diaper, 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 diaper 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 diaper, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a diaper 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 diaper, 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 diaper, 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 diaper is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "function-and-principle",
                        "name": "Function and operating principle",
                        "description": "What diaper is for and how it achieves it.",
                        "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.",
                        "layers": [
                            {
                                "id": "intended-function",
                                "name": "Intended function",
                                "description": "The job it does, and the jobs it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-record",
                                        "name": "Function, principle and variants",
                                        "description": "What it does, how, and which variants do it differently.",
                                        "questions": [
                                            {
                                                "id": "function-record-q01",
                                                "text": "What function does diaper perform, on what operating principle, and which variants differ in that principle?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "function-record-q02",
                                                "text": "What use falls outside the intended function but happens in practice?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "capacity-and-rating",
                                "name": "Capacity and rating",
                                "description": "The numbers that say what it can do and where it stops.",
                                "findings": [
                                    {
                                        "id": "ratings",
                                        "name": "Ratings and their conditions",
                                        "description": "Rated capacity, power, throughput and the conditions each assumes.",
                                        "questions": [
                                            {
                                                "id": "ratings-q01",
                                                "text": "What ratings characterise diaper, in what units, and under what stated conditions?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "ratings-q02",
                                                "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "operation-and-state",
                        "name": "Operation, controls and state",
                        "description": "How diaper is operated and what state it is in right now.",
                        "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.",
                        "layers": [
                            {
                                "id": "controls-and-modes",
                                "name": "Controls and modes",
                                "description": "What can be set, what that changes, and what is interlocked.",
                                "findings": [
                                    {
                                        "id": "control-surface",
                                        "name": "Control surface and interlocks",
                                        "description": "The settings available and the conditions that block them.",
                                        "questions": [
                                            {
                                                "id": "control-surface-q01",
                                                "text": "What controls and modes does diaper have, and what does each change?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "control-surface-q02",
                                                "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-maintenance",
                                "name": "Condition and maintenance",
                                "description": "Wear, service intervals, consumables and the line between working and broken.",
                                "findings": [
                                    {
                                        "id": "service-record",
                                        "name": "Condition, service and consumables",
                                        "description": "What is consumed, what is serviced, and how condition is judged.",
                                        "questions": [
                                            {
                                                "id": "service-record-q01",
                                                "text": "What consumables and service does diaper need, at what interval, and on whose authority?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "service-record-q02",
                                                "text": "What evidence separates a unit that is working from one that is out of service?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "kind-model-unit",
                        "name": "Kind, model and unit",
                        "description": "Whether a claim about diaper is about the kind, a product line, or one physical unit.",
                        "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.",
                        "layers": [
                            {
                                "id": "level-of-reference",
                                "name": "Level of reference",
                                "description": "The three levels and what belongs at each.",
                                "findings": [
                                    {
                                        "id": "level-rules",
                                        "name": "What belongs to kind, model and unit",
                                        "description": "Which properties are shared by all of them and which are not.",
                                        "questions": [
                                            {
                                                "id": "level-rules-q01",
                                                "text": "Which facts about diaper hold for every one of them, which for a model, and which only for one unit?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "level-rules-q02",
                                                "text": "What identifies an individual unit, and what should an agent do when it has only the kind?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "standards-and-conformity",
                                "name": "Standards and conformity",
                                "description": "The standards a working example must meet and who attests it.",
                                "findings": [
                                    {
                                        "id": "conformity",
                                        "name": "Standards, marks and attestation",
                                        "description": "Which standard applies, who certifies, and what the mark means.",
                                        "questions": [
                                            {
                                                "id": "conformity-q01",
                                                "text": "Which standards govern diaper, issued by whom, and what does conformity actually assert?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "conformity-q02",
                                                "text": "What may an agent conclude from a certification mark, and what may it not?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a diaper 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 diaper and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a diaper, 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 diaper, 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 diaper 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 diaper is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a diaper, 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 diaper, 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 diaper is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 8,
                "layers": 17,
                "findings": 19,
                "questions": 51
            }
        }
    }
}