{
    "model": {
        "rank": 1777,
        "code": "thing-q172833",
        "model_id": "vr.tr.broom",
        "name": "broom",
        "purpose": "Enable an AI agent to recognise a broom, assess its sweeping fitness and contamination state, and decide where and how it may be used, maintained 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/q172833/",
        "tier": 2,
        "score": 127,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "flying broom",
                "Hand broom",
                "dusting broom",
                "esborralhadouro",
                "leaves broom",
                "Broom-Offering",
                "Maratunù",
                "besom",
                "Sapai ijuak",
                "witch broom"
            ],
            "aliasCount": 10,
            "merged": 10,
            "knownIn": 127,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.broom-plant",
            "source": {
                "dataset": "wikidata",
                "item": "Q172833",
                "url": "https://www.wikidata.org/wiki/Q172833",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-06T21:49:57Z",
                "providers": [
                    "Codex"
                ],
                "missingProviders": [
                    "Grok"
                ],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": null,
                        "turns": null,
                        "seconds": 2.1,
                        "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": 63.7,
                        "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: 01a078b2-203c-7750-a834-2d58d4bd308b\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: broom\nRegistry id: vr.tr.broom\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy model"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q172833",
                "registryId": "vr.tr.broom",
                "name": "broom",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q172833/",
            "model": {
                "registry_id": "vr.tr.broom",
                "name": "broom",
                "purpose": "Enable an AI agent to recognise a broom, assess its sweeping fitness and contamination state, and decide where and how it may be used, maintained or retired.",
                "definition": "",
                "scope_statement": "This model owns the identity, construction, sweeping capabilities, condition and use constraints of a broom as a physical implement, including its handle, head, sweeping elements and their connections.",
                "in_scope": [
                    "Recognition of complete brooms and identification of missing or detached components",
                    "Head geometry, sweeping-element properties and handle configuration",
                    "Suitability for particular debris, surfaces and access conditions",
                    "Wear, damage, contamination and readiness for sweeping",
                    "Broom-specific cleaning, storage, component replacement and retirement decisions"
                ],
                "out_of_scope": [
                    "Dustpans, waste receptacles and downstream waste handling",
                    "Mops, squeegees, vacuum cleaners and powered sweeping machines",
                    "The composition, hazards and disposal requirements of collected debris",
                    "Floor construction, floor condition and surface-care requirements",
                    "Cleaning schedules, worker assignments and facility hygiene policies"
                ],
                "distinguishing_features": [
                    "Check for an array or bundle of bristles, fibres or twigs that forms a sweeping edge or face, rather than a continuous wiping blade.",
                    "Check whether the intended cleaning action gathers or displaces loose debris through sweeping strokes, rather than primarily absorbing liquid or scrubbing adhered material.",
                    "Check whether the grip or handle and head geometry support sweeping a floor, ground or comparable broad surface; a small hand brush may remain a boundary case.",
                    "Check whether cleaning depends on direct contact by the sweeping elements rather than suction or a powered rotating mechanism.",
                    "Check whether the item is a complete usable implement, a detached broom head or a decorative representation whose sweeping function is unverified."
                ],
                "characteristics": [
                    {
                        "name": "Broom configuration",
                        "kind": "category",
                        "unit_or_values": "angled upright; straight upright; push; bundled twig or fibre; hand or whisk candidate; other; unknown",
                        "why_it_matters": "Guides recognition and identifies the likely sweeping motion while exposing uncertain registry boundaries."
                    },
                    {
                        "name": "Sweeping-element material",
                        "kind": "category",
                        "unit_or_values": "recorded material or mixture; unknown",
                        "why_it_matters": "Supports evaluation of moisture exposure, debris retention and cleaning compatibility without assuming performance from appearance."
                    },
                    {
                        "name": "Sweeping-element stiffness",
                        "kind": "measurement",
                        "unit_or_values": "force-deflection result in N and mm with test conditions; otherwise unmeasured",
                        "why_it_matters": "Helps evaluate how the broom may move debris and conform to a surface."
                    },
                    {
                        "name": "Effective sweeping width",
                        "kind": "measurement",
                        "unit_or_values": "mm under a recorded contact orientation",
                        "why_it_matters": "Determines likely coverage and whether the head fits the intended passage."
                    },
                    {
                        "name": "Exposed sweeping-element length",
                        "kind": "measurement",
                        "unit_or_values": "mm, including variation across the head",
                        "why_it_matters": "Supports comparison of reach, wear and uneven contact."
                    },
                    {
                        "name": "Handle length and adjustment range",
                        "kind": "measurement",
                        "unit_or_values": "mm; fixed or adjustable; absent",
                        "why_it_matters": "Helps assess working reach and whether the implement can be controlled in the available space."
                    },
                    {
                        "name": "Head-to-handle connection",
                        "kind": "category",
                        "unit_or_values": "integral; threaded; socketed; clamped; other; absent; unknown",
                        "why_it_matters": "Determines attachment checks and potential replacement methods."
                    },
                    {
                        "name": "Sweeping-face condition",
                        "kind": "state",
                        "unit_or_values": "recorded degree and location of splaying, bending, shortening, matting, shedding or missing elements",
                        "why_it_matters": "Makes loss of contact or debris-moving performance assessable."
                    },
                    {
                        "name": "Structural readiness",
                        "kind": "state",
                        "unit_or_values": "secure; loose; cracked; fractured; incomplete; unassessed, with affected component",
                        "why_it_matters": "Supports a decision to use, tighten, repair or withdraw the broom."
                    },
                    {
                        "name": "Contamination and dryness",
                        "kind": "state",
                        "unit_or_values": "dry; damp; wet; retained debris or residue identified; contamination suspected; unknown",
                        "why_it_matters": "Helps prevent transfer of unwanted material and determines cleaning or drying needs."
                    },
                    {
                        "name": "Surface-and-debris suitability",
                        "kind": "relation",
                        "unit_or_values": "broom linked to a surface and debris combination, with suitability, evidence and conditions",
                        "why_it_matters": "Prevents a broad claim such as 'indoor broom' from standing in for an actual use assessment."
                    },
                    {
                        "name": "Dedicated-use assignment",
                        "kind": "relation",
                        "unit_or_values": "assigned area, material stream or hygiene zone; unrestricted if explicitly established; unknown",
                        "why_it_matters": "Constrains movement between uses that could transfer contamination."
                    }
                ],
                "affordances": [
                    "Sweep compatible loose debris into a pile, collection edge or dustpan.",
                    "Select a stroke direction and working angle suited to the head geometry and available space.",
                    "Inspect sweeping contact, element retention and handle attachment before use.",
                    "Remove trapped debris and clean or dry the broom using a compatible method.",
                    "Tighten or replace a detachable handle or head when the connection and replacement are compatible.",
                    "Store the broom to protect its sweeping shape, or withdraw it when condition or contamination prevents the intended use."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "broom-recognition",
                        "name": "Broom recognition",
                        "description": "Establish whether the item is a broom and which physical configuration it has.",
                        "rationale": "Brushes, mops, squeegees and detached heads can resemble parts of a broom but support different actions.",
                        "layers": [
                            {
                                "id": "sweeping-mechanism",
                                "name": "Sweeping mechanism",
                                "description": "Identify the contact elements and the action they are intended to perform.",
                                "findings": [
                                    {
                                        "id": "sweeping-edge-identity",
                                        "name": "Sweeping-edge identity",
                                        "description": "Record evidence that an array or bundle of elements forms a working edge or face for moving loose debris.",
                                        "questions": [
                                            {
                                                "text": "Which elements contact the surface, and do they form a bristled, fibrous or twig-based sweeping edge or face?",
                                                "kind": "definition",
                                                "id": "sweeping-edge-identity-q01"
                                            },
                                            {
                                                "text": "What distinguishes this item's intended action from liquid absorption, blade wiping or scrubbing?",
                                                "kind": "boundary",
                                                "id": "sweeping-edge-identity-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "configuration-and-completeness",
                                "name": "Configuration and completeness",
                                "description": "Identify the broom form and whether the inspected item is complete.",
                                "findings": [
                                    {
                                        "id": "assembled-broom-form",
                                        "name": "Assembled broom form",
                                        "description": "Record the head-and-grip arrangement, missing components and evidence of intended use.",
                                        "questions": [
                                            {
                                                "text": "Is this an upright, push, bundled or other broom configuration, and what observable geometry supports that classification?",
                                                "kind": "definition",
                                                "id": "assembled-broom-form-q01"
                                            },
                                            {
                                                "text": "Is the item a complete implement, a detached component or a decorative object, and what evidence establishes that status?",
                                                "kind": "boundary",
                                                "id": "assembled-broom-form-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "sweeping-geometry-and-control",
                        "name": "Sweeping geometry and control",
                        "description": "Describe the working face and how force and motion reach it through the handle or grip.",
                        "rationale": "A broom's width, element arrangement and handle orientation determine coverage, access and controllability.",
                        "layers": [
                            {
                                "id": "working-face",
                                "name": "Working face",
                                "description": "Capture the dimensions and physical behaviour of the sweeping elements.",
                                "findings": [
                                    {
                                        "id": "contact-profile",
                                        "name": "Contact profile",
                                        "description": "Record width, element length, arrangement and stiffness with enough context to interpret surface contact.",
                                        "questions": [
                                            {
                                                "text": "What are the effective contact width, exposed element lengths and edge shape at the intended working angle?",
                                                "kind": "measurement",
                                                "id": "contact-profile-q01"
                                            },
                                            {
                                                "text": "What material and stiffness evidence is available, and does it come from identification, documentation or a recorded test?",
                                                "kind": "provenance",
                                                "id": "contact-profile-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "handle-and-force-transfer",
                                "name": "Handle and force transfer",
                                "description": "Capture grip reach, head orientation and attachment behaviour.",
                                "findings": [
                                    {
                                        "id": "controllable-head-attachment",
                                        "name": "Controllable head attachment",
                                        "description": "Record how the handle positions the head and whether the connection transmits sweeping forces securely.",
                                        "questions": [
                                            {
                                                "text": "What handle length, adjustment range and head angle are available, and is any movement at the joint intentional?",
                                                "kind": "measurement",
                                                "id": "controllable-head-attachment-q01"
                                            },
                                            {
                                                "text": "Does the attachment remain secure during the intended sweeping motion, or must it be tightened, repaired or replaced?",
                                                "kind": "action",
                                                "id": "controllable-head-attachment-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "sweeping-task-fit",
                        "name": "Sweeping task fit",
                        "description": "Assess the broom against a particular surface, debris load and working space.",
                        "rationale": "Recognition as a broom does not establish that it can collect the target debris without unacceptable surface effects or dispersal.",
                        "layers": [
                            {
                                "id": "surface-and-debris-match",
                                "name": "Surface and debris match",
                                "description": "Connect the working face to the actual cleaning target.",
                                "findings": [
                                    {
                                        "id": "supported-sweeping-use",
                                        "name": "Supported sweeping use",
                                        "description": "Record evidence and limits for using this broom on a specified surface and debris combination.",
                                        "questions": [
                                            {
                                                "text": "Which surface texture, finish and debris characteristics define the proposed use, and what evidence supports this broom's suitability?",
                                                "kind": "boundary",
                                                "id": "supported-sweeping-use-q01"
                                            },
                                            {
                                                "text": "Should sweeping proceed, be adapted or be avoided because it may scratch the surface, scatter debris or suspend dust?",
                                                "kind": "action",
                                                "id": "supported-sweeping-use-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "access-and-stroke",
                                "name": "Access and stroke",
                                "description": "Assess whether the broom can contact and move debris through the intended area.",
                                "findings": [
                                    {
                                        "id": "reachable-collection-path",
                                        "name": "Reachable collection path",
                                        "description": "Record clearance, corner reach and a workable route from scattered debris to collection.",
                                        "questions": [
                                            {
                                                "text": "Do head width, head height and handle clearance permit contact beneath obstacles and along the required edges?",
                                                "kind": "measurement",
                                                "id": "reachable-collection-path-q01"
                                            },
                                            {
                                                "text": "Which push, pull or lateral strokes can move debris to the collection point without losing effective sweeping contact?",
                                                "kind": "action",
                                                "id": "reachable-collection-path-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "sweeping-condition",
                        "name": "Sweeping condition",
                        "description": "Assess functional wear and retained material that affect present readiness.",
                        "rationale": "A broom can remain recognisable while worn elements, loose bindings or contamination make its next use ineffective or inappropriate.",
                        "layers": [
                            {
                                "id": "wear-and-element-retention",
                                "name": "Wear and element retention",
                                "description": "Inspect the shape and security of the sweeping face.",
                                "findings": [
                                    {
                                        "id": "usable-sweeping-face",
                                        "name": "Usable sweeping face",
                                        "description": "Record deformation, loss of elements and observed effects on contact and collection.",
                                        "questions": [
                                            {
                                                "text": "Where are elements splayed, bent, shortened, matted or missing, and how does that alter contact with the intended surface?",
                                                "kind": "measurement",
                                                "id": "usable-sweeping-face-q01"
                                            },
                                            {
                                                "text": "Are elements or bindings coming loose, and does their condition require cleaning, head replacement or withdrawal?",
                                                "kind": "action",
                                                "id": "usable-sweeping-face-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "retained-material-and-transfer",
                                "name": "Retained material and transfer",
                                "description": "Assess debris, moisture and residues carried by the broom.",
                                "findings": [
                                    {
                                        "id": "next-use-cleanliness",
                                        "name": "Next-use cleanliness",
                                        "description": "Record what the broom may transfer and whether its use assignment permits the proposed destination.",
                                        "questions": [
                                            {
                                                "text": "What prior use, trapped material, moisture or residue is known, and what remains unidentified?",
                                                "kind": "provenance",
                                                "id": "next-use-cleanliness-q01"
                                            },
                                            {
                                                "text": "Does the broom's condition and dedicated-use assignment permit this next task, or is cleaning, segregation or withdrawal required?",
                                                "kind": "action",
                                                "id": "next-use-cleanliness-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "broom-care-and-serviceability",
                        "name": "Broom care and serviceability",
                        "description": "Determine how to preserve or restore sweeping function and when continued service is unsupported.",
                        "rationale": "Care must address material compatibility, deformation of the sweeping elements and the specific handle or head connection.",
                        "layers": [
                            {
                                "id": "cleaning-and-shape-preservation",
                                "name": "Cleaning and shape preservation",
                                "description": "Identify supported cleaning, drying and storage actions.",
                                "findings": [
                                    {
                                        "id": "compatible-care-method",
                                        "name": "Compatible care method",
                                        "description": "Record care methods supported for the sweeping elements, head, binding and handle.",
                                        "questions": [
                                            {
                                                "text": "What manufacturer guidance or verified material evidence supports removing trapped debris, washing or drying this broom?",
                                                "kind": "provenance",
                                                "id": "compatible-care-method-q01"
                                            },
                                            {
                                                "text": "How should this broom be supported and positioned in storage to avoid persistent element deformation and retained moisture?",
                                                "kind": "action",
                                                "id": "compatible-care-method-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "repair-and-retirement",
                                "name": "Repair and retirement",
                                "description": "Assess component replacement and the remaining ability to perform the intended sweeping task.",
                                "findings": [
                                    {
                                        "id": "restore-or-withdraw",
                                        "name": "Restore or withdraw",
                                        "description": "Record whether a supported intervention can restore secure assembly and adequate sweeping performance.",
                                        "questions": [
                                            {
                                                "text": "Which components are replaceable, and what dimensions, thread or socket details and compatibility evidence identify a suitable replacement?",
                                                "kind": "boundary",
                                                "id": "restore-or-withdraw-q01"
                                            },
                                            {
                                                "text": "What task-specific result must the repaired or cleaned broom achieve before reuse, and which unresolved failures require withdrawal?",
                                                "kind": "action",
                                                "id": "restore-or-withdraw-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the registry intend broom to include whisk brooms, hand brooms and besoms, or do any belong to separate registered concepts?",
                "Does an existing Vercy world model already own this concept, requiring a link instead of a separate publication?",
                "What repeatable tests and task-specific acceptance criteria should establish sweeping effectiveness, element shedding and excessive wear?",
                "Which authoritative sources establish cleaning, moisture, chemical and replacement-part compatibility for the broom variants represented?",
                "How should the model distinguish functional brooms from decorative or ceremonial examples and represent detached heads without duplicating neighbouring component models?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 10,
                "questions": 20
            }
        },
        "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 broom, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a broom, assess its sweeping fitness and contamination state, and decide where and how it may be used, maintained 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: flying broom, Hand broom, dusting broom, esborralhadouro, leaves broom, Broom-Offering, Maratunù, besom, Sapai ijuak, witch broom.",
                "10 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 127 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 broom, 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": [
                        "flying broom",
                        "Hand broom",
                        "dusting broom",
                        "esborralhadouro",
                        "leaves broom",
                        "Broom-Offering",
                        "Maratunù",
                        "besom",
                        "Sapai ijuak",
                        "witch broom"
                    ]
                }
            ],
            "standing": "Described in 127 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 10 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 broom from another, and a broom 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 broom, 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 broom, 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 broom 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 broom, 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 broom, 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 broom 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 broom 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 broom, 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 broom, 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 broom 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 broom from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a broom, 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 broom, 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 broom 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 broom 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 broom, 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 broom, 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 broom 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 broom is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a broom, 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 broom, 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 broom 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 broom is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a broom, 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 broom, 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 broom 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 broom 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 broom is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a broom, 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 broom, 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 broom 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 broom 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 broom, 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 broom, 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 broom 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 broom 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 broom between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a broom, 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 broom, 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 broom 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 broom, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a broom 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 broom, 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 broom, 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 broom 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 broom 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 broom 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 broom, 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 broom 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 broom 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 broom 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 broom 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 broom 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 broom, 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 broom 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 broom and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a broom, 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 broom, 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 broom 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 broom is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a broom, 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 broom, 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 broom 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
            }
        }
    }
}