{
    "model": {
        "rank": 5701,
        "code": "thing-q183406",
        "model_id": "vr.tr.flip-flop",
        "name": "flip-flop",
        "purpose": "Enable an AI agent to recognise a footwear flip-flop, assess its fit and physical condition, and decide whether it can be worn, cleaned, repaired or retired.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q183406/",
        "tier": 2,
        "score": 65,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "single-level cell",
                "D latch",
                "latch",
                "bus-holder"
            ],
            "aliasCount": 4,
            "merged": 4,
            "knownIn": 65,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q183406",
                "url": "https://www.wikidata.org/wiki/Q183406",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T09:03:29Z",
                "providers": [
                    "Codex"
                ],
                "missingProviders": [
                    "Grok"
                ],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": null,
                        "turns": null,
                        "seconds": 14.1,
                        "error": "Error: Internal error: {\n  \"message\": \"API error (status 402 Payment Required): Grok Build usage balance exhausted\",\n  \"http_status\": 402\n}",
                        "retried": true
                    },
                    "codex": {
                        "seconds": 75.5,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\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: 01a07b1a-9559-7432-9fd3-f699c1e73763\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: flip-flop\nRegistry id: vr.tr.flip-flop\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Ver"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q183406",
                "registryId": "vr.tr.flip-flop",
                "name": "flip-flop",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q183406/",
            "model": {
                "registry_id": "vr.tr.flip-flop",
                "name": "flip-flop",
                "purpose": "Enable an AI agent to recognise a footwear flip-flop, assess its fit and physical condition, and decide whether it can be worn, cleaned, repaired or retired.",
                "definition": "",
                "scope_statement": "This model provisionally interprets flip-flop as open footwear retained by a toe post and branching forefoot strap, owning the individual item and its relation to a matching pair; confirmation of the registry's intended meaning remains open.",
                "in_scope": [
                    "Toe-post, strap and sole arrangement that identifies the footwear",
                    "Individual identity, left or right designation and matching-pair relationship",
                    "Footbed dimensions and observed fit on a particular foot",
                    "Sole wear, strap damage and attachment integrity",
                    "Suitability for an intended walking surface and activity",
                    "Cleaning, repair and retirement decisions supported by item-specific evidence"
                ],
                "out_of_scope": [
                    "Electronic flip-flops and other bistable circuits",
                    "Slides, closed shoes and sandals retained by a heel strap",
                    "Diagnosis or treatment of a wearer's foot conditions",
                    "Independent models of terrain, weather and walking activities",
                    "Retail transactions, inventory management and brand ownership"
                ],
                "distinguishing_features": [
                    "A post passes between toes and connects to branching forefoot straps; a slide instead retains the foot with a band without a toe post.",
                    "The heel remains unrestrained by a rear strap; a heel-retained sandal falls outside this provisional scope.",
                    "The toe and heel regions are open rather than enclosed by a shoe upper.",
                    "The object is a sole-and-strap article worn on a foot, distinguishing this interpretation from an electronic bistable device."
                ],
                "characteristics": [
                    {
                        "name": "Retention arrangement",
                        "kind": "category",
                        "unit_or_values": "toe post with branching straps; other; uncertain",
                        "why_it_matters": "Determines whether the article belongs within the proposed flip-flop boundary."
                    },
                    {
                        "name": "Foot designation",
                        "kind": "category",
                        "unit_or_values": "left; right; non-sided; unknown",
                        "why_it_matters": "Supports correct placement and identification of a usable pair."
                    },
                    {
                        "name": "Matching counterpart",
                        "kind": "relation",
                        "unit_or_values": "reference to counterpart, with matching evidence; absent; unknown",
                        "why_it_matters": "Separates the state of one item from the availability and compatibility of its pair."
                    },
                    {
                        "name": "Usable footbed dimensions",
                        "kind": "measurement",
                        "unit_or_values": "length and widths in mm, with measurement landmarks",
                        "why_it_matters": "Supports fit assessment without relying solely on a printed size."
                    },
                    {
                        "name": "Toe-post position",
                        "kind": "measurement",
                        "unit_or_values": "longitudinal and lateral offsets in mm from stated footbed landmarks",
                        "why_it_matters": "Helps explain toe crowding, foot placement and incompatibility despite similar sole dimensions."
                    },
                    {
                        "name": "Observed fit",
                        "kind": "state",
                        "unit_or_values": "heel or toe overhang; strap slack; pressure or rubbing reported; secure placement observed; unassessed",
                        "why_it_matters": "Connects the item to a particular wearer rather than treating size labels as proof of fit."
                    },
                    {
                        "name": "Strap and anchor condition",
                        "kind": "state",
                        "unit_or_values": "no visible damage; cracked; stretched; loose; partly detached; detached; unassessed",
                        "why_it_matters": "Identifies failures that can prevent the sole from remaining attached to the foot."
                    },
                    {
                        "name": "Sole wear profile",
                        "kind": "measurement",
                        "unit_or_values": "remaining thickness or tread depth in mm at named locations, where measurable",
                        "why_it_matters": "Locates uneven wear and loss of material without inventing a universal retirement threshold."
                    },
                    {
                        "name": "Component materials",
                        "kind": "category",
                        "unit_or_values": "material recorded separately for sole, footbed, straps and toe post; evidence source; unknown",
                        "why_it_matters": "Informs cleaning and repair compatibility while separating verified composition from appearance-based guesses."
                    },
                    {
                        "name": "Surface-specific traction evidence",
                        "kind": "relation",
                        "unit_or_values": "link to observation or test specifying surface, moisture, contamination and item condition; unavailable",
                        "why_it_matters": "Prevents traction on one surface from being assumed on another."
                    }
                ],
                "affordances": [
                    "Identify the article as a flip-flop and associate it with a compatible counterpart.",
                    "Measure the footbed and toe-post placement and assess fit for a particular wearer.",
                    "Inspect the toe post, strap anchors and sole for damage affecting retention or walking.",
                    "Evaluate a proposed use against available fit, traction and condition evidence.",
                    "Select cleaning or repair actions compatible with the identified components.",
                    "Withhold from use or retire an item when observed failure or unresolved condition makes the intended use unsuitable."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "footwear-form-and-pair",
                        "name": "Footwear form and pair",
                        "description": "Establishes whether the article has the proposed flip-flop form and how it relates to its counterpart.",
                        "rationale": "Recognition depends on the retention arrangement, while practical use often requires two compatible individual articles.",
                        "layers": [
                            {
                                "id": "toe-post-retention",
                                "name": "Toe-post retention",
                                "description": "Records the visible arrangement that separates a flip-flop from neighbouring footwear.",
                                "findings": [
                                    {
                                        "id": "retention-boundary",
                                        "name": "Retention boundary",
                                        "description": "Records the presence of a between-toe post, branching straps and an unrestrained heel.",
                                        "questions": [
                                            {
                                                "text": "Does the article retain the forefoot through a between-toe post and branching straps?",
                                                "kind": "definition",
                                                "id": "retention-boundary-q01"
                                            },
                                            {
                                                "text": "Is there a heel strap or enclosing upper that places it outside this model's proposed boundary?",
                                                "kind": "boundary",
                                                "id": "retention-boundary-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "sidedness-and-counterpart",
                                "name": "Sidedness and counterpart",
                                "description": "Distinguishes the individual flip-flop from the pair to which it may belong.",
                                "findings": [
                                    {
                                        "id": "pair-compatibility",
                                        "name": "Pair compatibility",
                                        "description": "Records foot designation and evidence that a proposed counterpart matches in dimensions, construction and intended use.",
                                        "questions": [
                                            {
                                                "text": "What markings or sole geometry establish whether this item is left-sided, right-sided or non-sided?",
                                                "kind": "definition",
                                                "id": "pair-compatibility-q01"
                                            },
                                            {
                                                "text": "What evidence establishes that the proposed counterpart belongs with this item?",
                                                "kind": "provenance",
                                                "id": "pair-compatibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "foot-placement-and-retention",
                        "name": "Foot placement and retention",
                        "description": "Describes how a particular foot sits on the sole and interacts with the toe post and straps.",
                        "rationale": "A nominal size cannot establish whether the toe post aligns, the foot stays within the footbed or the straps retain it comfortably.",
                        "layers": [
                            {
                                "id": "footbed-and-post-geometry",
                                "name": "Footbed and post geometry",
                                "description": "Captures dimensions relevant to foot placement rather than external length alone.",
                                "findings": [
                                    {
                                        "id": "usable-standing-area",
                                        "name": "Usable standing area",
                                        "description": "Records footbed dimensions and toe-post location using reproducible landmarks.",
                                        "questions": [
                                            {
                                                "text": "What are the usable footbed length and widths at the heel and forefoot?",
                                                "kind": "measurement",
                                                "id": "usable-standing-area-q01"
                                            },
                                            {
                                                "text": "Where is the toe post positioned relative to the heel end and footbed centreline?",
                                                "kind": "measurement",
                                                "id": "usable-standing-area-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "wearer-specific-fit",
                                "name": "Wearer-specific fit",
                                "description": "Records observed placement, strap contact and retention for an identified wearer.",
                                "findings": [
                                    {
                                        "id": "fit-and-contact-observations",
                                        "name": "Fit and contact observations",
                                        "description": "Separates directly observed overhang or slippage from wearer-reported pressure and rubbing.",
                                        "questions": [
                                            {
                                                "text": "With the foot naturally positioned around the toe post, how much heel or toe overhang is observed?",
                                                "kind": "measurement",
                                                "id": "fit-and-contact-observations-q01"
                                            },
                                            {
                                                "text": "Do available wear observations show strap slack, foot displacement or reported rubbing that warrants changing the item or limiting use?",
                                                "kind": "action",
                                                "id": "fit-and-contact-observations-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "sole-and-anchor-integrity",
                        "name": "Sole and anchor integrity",
                        "description": "Assesses the parts whose deterioration can compromise support, ground contact or attachment to the foot.",
                        "rationale": "A flip-flop can retain an apparently usable sole while a small toe-post or strap-anchor failure makes it unusable.",
                        "layers": [
                            {
                                "id": "strap-load-path",
                                "name": "Strap load path",
                                "description": "Examines the toe post, branching straps and their connections to the sole.",
                                "findings": [
                                    {
                                        "id": "post-and-anchor-damage",
                                        "name": "Post and anchor damage",
                                        "description": "Records visible deterioration and looseness at each retention connection without assuming that appearance proves strength.",
                                        "questions": [
                                            {
                                                "text": "Where are cracks, tears, stretching or partial pull-through visible along the toe post, straps and sole anchors?",
                                                "kind": "measurement",
                                                "id": "post-and-anchor-damage-q01"
                                            },
                                            {
                                                "text": "Does observed loosening or detachment require withholding the item from use pending repair or replacement?",
                                                "kind": "action",
                                                "id": "post-and-anchor-damage-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "sole-body-and-contact-face",
                                "name": "Sole body and contact face",
                                "description": "Examines ground-contact wear and separation or deformation within the sole.",
                                "findings": [
                                    {
                                        "id": "sole-deterioration",
                                        "name": "Sole deterioration",
                                        "description": "Records local thinning, worn tread where present, splits, layer separation and persistent distortion.",
                                        "questions": [
                                            {
                                                "text": "What remaining sole thickness or tread depth can be measured at the heel, forefoot and visibly worn regions?",
                                                "kind": "measurement",
                                                "id": "sole-deterioration-q01"
                                            },
                                            {
                                                "text": "Are splits, separated layers or deformation interfering with stable placement or creating an edge that catches during walking?",
                                                "kind": "action",
                                                "id": "sole-deterioration-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "use-conditions-and-care",
                        "name": "Use conditions and care",
                        "description": "Connects the item's construction and current condition to proposed walking environments and maintenance actions.",
                        "rationale": "An open, heel-unrestrained article needs context-specific use decisions, and its component materials constrain cleaning and repair.",
                        "layers": [
                            {
                                "id": "walking-context",
                                "name": "Walking context",
                                "description": "Assesses traction evidence and whether the intended activity requires capabilities the item can substantiate.",
                                "findings": [
                                    {
                                        "id": "context-specific-use-decision",
                                        "name": "Context-specific use decision",
                                        "description": "Records the proposed surface and activity together with evidence and unresolved limits affecting use.",
                                        "questions": [
                                            {
                                                "text": "What observations or tests support traction for this sole on the intended surface under the expected moisture and contamination conditions?",
                                                "kind": "provenance",
                                                "id": "context-specific-use-decision-q01"
                                            },
                                            {
                                                "text": "Does the intended activity require heel retention or foot coverage that this flip-flop does not provide?",
                                                "kind": "boundary",
                                                "id": "context-specific-use-decision-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "material-compatible-interventions",
                                "name": "Material-compatible interventions",
                                "description": "Supports care and repair choices specific to the sole, straps, toe post and attachment construction.",
                                "findings": [
                                    {
                                        "id": "care-repair-or-retirement",
                                        "name": "Care, repair or retirement",
                                        "description": "Records supported cleaning methods and whether damaged retention components can be restored and checked.",
                                        "questions": [
                                            {
                                                "text": "What material identification or manufacturer instructions support the proposed cleaning method for the footbed, sole and straps?",
                                                "kind": "provenance",
                                                "id": "care-repair-or-retirement-q01"
                                            },
                                            {
                                                "text": "If a toe post, strap or anchor is damaged, is there a supported repair and a way to verify retention afterward, or should the item be retired?",
                                                "kind": "action",
                                                "id": "care-repair-or-retirement-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does vr.tr.flip-flop denote footwear, an electronic bistable device or another physical object? The absent registry definition leaves this interpretation provisional.",
                "Does the authoritative registry boundary include toe-post footwear with added heel straps or alternative forefoot strap arrangements?",
                "Does an existing Vercy world model already own this footwear concept, requiring a link instead of a separate publication?",
                "Which applicable test methods and manufacturer guidance can support traction, retention and wear decisions without inventing universal thresholds?",
                "Which toe-post and strap-anchor constructions have supported repair methods, and what evidence is sufficient to return a repaired item to use?"
            ],
            "statistics": {
                "bundles": 4,
                "layers": 8,
                "findings": 8,
                "questions": 16
            }
        },
        "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 flip-flop, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a footwear flip-flop, assess its fit and physical condition, and decide whether it can be worn, cleaned, repaired or retired.",
            "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: single-level cell, D latch, latch, bus-holder.",
                "4 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 65 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 flip-flop, 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": [
                        "single-level cell",
                        "D latch",
                        "latch",
                        "bus-holder"
                    ]
                }
            ],
            "standing": "Described in 65 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 4 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 flip-flop from another, and a flip-flop 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 flip-flop, 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 flip-flop, 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 flip-flop 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 flip-flop, 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 flip-flop, 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 flip-flop 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 flip-flop 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 flip-flop, 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 flip-flop, 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 flip-flop 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 flip-flop from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a flip-flop, 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 flip-flop, 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 flip-flop 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 flip-flop 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 flip-flop, 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 flip-flop, 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 flip-flop 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 flip-flop is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a flip-flop, 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 flip-flop, 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 flip-flop 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 flip-flop is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a flip-flop, 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 flip-flop, 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 flip-flop 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 flip-flop 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 flip-flop is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a flip-flop, 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 flip-flop, 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 flip-flop 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 flip-flop 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 flip-flop, 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 flip-flop, 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 flip-flop 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 flip-flop 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 flip-flop between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a flip-flop, 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 flip-flop, 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 flip-flop 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 flip-flop, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a flip-flop 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 flip-flop, 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 flip-flop, 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 flip-flop 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 flip-flop 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 flip-flop 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 flip-flop, 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 flip-flop 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 flip-flop 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 flip-flop 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 flip-flop 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 flip-flop 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 flip-flop, 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 flip-flop 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 flip-flop and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a flip-flop, 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 flip-flop, 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 flip-flop 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 flip-flop is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a flip-flop, 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 flip-flop, 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 flip-flop 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
            }
        }
    }
}