{
    "model": {
        "rank": 5627,
        "code": "thing-q213761",
        "model_id": "vr.tr.spindle",
        "name": "spindle",
        "purpose": "Enable an AI agent to recognise a spindle, identify its rotational role and interfaces, assess its condition, and determine compatible and permissible uses.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q213761/",
        "tier": 2,
        "score": 66,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "hand spindle"
            ],
            "aliasCount": 1,
            "merged": 1,
            "knownIn": 66,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.spindle",
            "source": {
                "dataset": "wikidata",
                "item": "Q213761",
                "url": "https://www.wikidata.org/wiki/Q213761",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T22:47:58Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 18.8,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a0885a-68ed-7803-9a68-f11e09cc3560\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: spindle\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 188 things:\n# Batch 006: 1001 register",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 57.1,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a0885a-68ef-7060-b980-3dab6864e232\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: spindle\nRegistry id: vr.tr.spindle\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext "
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q213761",
                "registryId": "vr.tr.spindle",
                "name": "spindle",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q213761/",
            "model": {
                "registry_id": "vr.tr.spindle",
                "name": "spindle",
                "purpose": "Enable an AI agent to recognise a spindle, identify its rotational role and interfaces, assess its condition, and determine compatible and permissible uses.",
                "definition": "A spindle is a rod or shaft that rotates about its longitudinal axis to perform a task such as twisting fibres into yarn or carrying and rotating a tool or workpiece.",
                "scope_statement": "This model provisionally owns a spindle as an axial physical element or assembly used to rotate, support, or position a tool, workpiece, or textile strand; the intended registry sense remains unresolved, so application-specific properties must be recorded conditionally.",
                "in_scope": [
                    "The spindle's application and boundary as a shaft, handheld implement, or integrated spindle assembly",
                    "Axial geometry, mounting interfaces, and tool, workpiece, or yarn engagement",
                    "Rotation, drive arrangement, support, and application-specific operating limits",
                    "Spindle condition, balance, alignment, wear, and service requirements",
                    "Compatibility and conditions for installation, loading, operation, and removal"
                ],
                "out_of_scope": [
                    "The complete lathe, milling machine, spinning machine, or other host equipment",
                    "Cutting tools, workpieces, yarn, and other material carried or processed",
                    "Independent motors, transmissions, and controllers beyond their spindle interfaces",
                    "Complete machining or textile production processes",
                    "Biological spindle structures and mathematical spindle shapes",
                    "Fixed architectural members called spindles, pending confirmation of registry meaning"
                ],
                "distinguishing_features": [
                    "Establish whether the object has an intended rotational axis and directly carries or engages a tool, workpiece, or textile strand; a merely spindle-shaped object does not satisfy this provisional scope.",
                    "Distinguish the spindle from a general transmission shaft by recording its direct role at the working or material-handling interface.",
                    "Distinguish the spindle from a chuck, collet, bobbin, or whorl by identifying which component provides the axial body and which attaches to it.",
                    "Determine whether 'spindle' names the rotating member alone or an assembly containing bearings, housing, and possibly a motor.",
                    "Separate textile and machine-tool applications through their actual engagement mechanism rather than assigning machining properties to every spindle."
                ],
                "characteristics": [
                    {
                        "name": "Application and spindle sense",
                        "kind": "category",
                        "unit_or_values": "textile hand spindle | textile machine spindle | tool spindle | workpiece spindle | other documented sense | unresolved",
                        "why_it_matters": "Selects the relevant interfaces, measurements, and operating questions."
                    },
                    {
                        "name": "Assembly boundary",
                        "kind": "category",
                        "unit_or_values": "rotating member | handheld implement with attachments | supported assembly | motor-integrated assembly | unresolved",
                        "why_it_matters": "Prevents attributing host-machine or accessory properties to the spindle itself."
                    },
                    {
                        "name": "Axial geometry",
                        "kind": "measurement",
                        "unit_or_values": "overall and working lengths, diameters, and bore dimensions in mm; taper designation where applicable",
                        "why_it_matters": "Supports fit assessment and identifies the surfaces that locate or carry attached elements."
                    },
                    {
                        "name": "Working attachment interface",
                        "kind": "relation",
                        "unit_or_values": "documented compatible toolholder, chuck, workpiece fixture, bobbin, whorl, or yarn-retention feature",
                        "why_it_matters": "Determines what can be attached and how it is retained."
                    },
                    {
                        "name": "Drive and support arrangement",
                        "kind": "category",
                        "unit_or_values": "manual or powered drive; suspended, externally supported, or bearing-supported arrangement; documented details",
                        "why_it_matters": "Explains how rotation is produced and how loads reach the surrounding equipment or operator."
                    },
                    {
                        "name": "Rotational operating envelope",
                        "kind": "measurement",
                        "unit_or_values": "speed in rpm, torque in N·m, and direction relative to a stated viewing reference, where specified",
                        "why_it_matters": "Enables comparison of intended operation with verified spindle and attachment limits."
                    },
                    {
                        "name": "Rotation accuracy",
                        "kind": "measurement",
                        "unit_or_values": "radial and axial runout in µm or mm, with datum, measurement location, speed, and method",
                        "why_it_matters": "Makes alignment and condition assessments meaningful for the intended application."
                    },
                    {
                        "name": "Permissible loading",
                        "kind": "measurement",
                        "unit_or_values": "radial and axial force in N, attached mass in kg, and overhang in mm, where specified",
                        "why_it_matters": "Captures loading constraints that speed alone cannot describe."
                    },
                    {
                        "name": "Serviceability",
                        "kind": "state",
                        "unit_or_values": "unassessed | serviceable for stated use | restricted | maintenance required | withdrawn",
                        "why_it_matters": "Connects observations and applicable limits to an actionable use decision."
                    }
                ],
                "affordances": [
                    "Classify the spindle's application and establish the boundary of the item being assessed.",
                    "Check proposed tools, workpieces, bobbins, or whorls against documented attachment and loading requirements.",
                    "Assess runout, alignment, retention, and rotation using methods appropriate to the spindle type.",
                    "Determine whether a proposed speed, direction, and load lie within documented operating limits.",
                    "Identify applicable cleaning, lubrication, balancing, repair, or replacement actions.",
                    "Permit, restrict, or defer installation and operation according to condition evidence and host-equipment requirements."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "spindle-identity",
                        "name": "Spindle identity and application",
                        "description": "Establishes which physical sense of spindle is represented and what belongs to the assessed item.",
                        "rationale": "The unqualified name can refer to substantially different implements and assemblies.",
                        "layers": [
                            {
                                "id": "working-role",
                                "name": "Working role",
                                "description": "Identifies what the spindle rotates or engages and why.",
                                "findings": [
                                    {
                                        "id": "application-identification",
                                        "name": "Application identification",
                                        "description": "Record evidence for a textile, tool-carrying, workpiece-carrying, or other spindle role.",
                                        "questions": [
                                            {
                                                "text": "What does this spindle directly carry or engage during its intended operation?",
                                                "kind": "definition",
                                                "id": "application-identification-q01"
                                            },
                                            {
                                                "text": "Which registry reference, technical drawing, or manufacturer description establishes this sense of spindle?",
                                                "kind": "provenance",
                                                "id": "application-identification-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "assembly-membership",
                                "name": "Assembly membership",
                                "description": "Separates the rotating member from its accessories and surrounding equipment.",
                                "findings": [
                                    {
                                        "id": "spindle-item-boundary",
                                        "name": "Spindle item boundary",
                                        "description": "Identify whether bearings, housing, motor, whorl, bobbin, or retention mechanisms belong to the spindle item.",
                                        "questions": [
                                            {
                                                "text": "Does the identified item include only the axial member or also its support, drive, and retention components?",
                                                "kind": "boundary",
                                                "id": "spindle-item-boundary-q01"
                                            },
                                            {
                                                "text": "Which attached parts are replaceable accessories represented by neighbouring models?",
                                                "kind": "boundary",
                                                "id": "spindle-item-boundary-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "geometry-and-engagement",
                        "name": "Geometry and engagement",
                        "description": "Describes the spindle axis, locating surfaces, and interfaces with the things it carries.",
                        "rationale": "Spindle suitability depends on physical fit, retention, and location relative to its axis.",
                        "layers": [
                            {
                                "id": "axis-and-locating-surfaces",
                                "name": "Axis and locating surfaces",
                                "description": "Captures geometry used to locate and support the spindle.",
                                "findings": [
                                    {
                                        "id": "functional-geometry",
                                        "name": "Functional geometry",
                                        "description": "Record relevant lengths, diameters, bores, tapers, and reference surfaces without assuming a machine-tool configuration.",
                                        "questions": [
                                            {
                                                "text": "Which dimensions and surfaces establish the spindle's working axis and fit within its support?",
                                                "kind": "measurement",
                                                "id": "functional-geometry-q01"
                                            },
                                            {
                                                "text": "Which drawing or interface specification defines the dimensional tolerances and datums?",
                                                "kind": "provenance",
                                                "id": "functional-geometry-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "carried-item-retention",
                                "name": "Carried-item retention",
                                "description": "Captures how the spindle engages tools, workpieces, or textile-related attachments.",
                                "findings": [
                                    {
                                        "id": "attachment-compatibility",
                                        "name": "Attachment compatibility",
                                        "description": "Record the actual engagement and retention mechanism, including application-specific restrictions.",
                                        "questions": [
                                            {
                                                "text": "What feature retains the tool, workpiece, bobbin, whorl, or yarn, and how is correct engagement recognised?",
                                                "kind": "definition",
                                                "id": "attachment-compatibility-q01"
                                            },
                                            {
                                                "text": "What interface evidence and retention checks are required before accepting a proposed attachment?",
                                                "kind": "action",
                                                "id": "attachment-compatibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "rotation-and-loading",
                        "name": "Rotation and loading",
                        "description": "Connects the spindle's drive and support arrangement to its permissible operating conditions.",
                        "rationale": "A spindle's useful operation depends on the combination of rotation, support, and attached load.",
                        "layers": [
                            {
                                "id": "drive-and-support",
                                "name": "Drive and support",
                                "description": "Identifies how torque enters the spindle and how the spindle is supported.",
                                "findings": [
                                    {
                                        "id": "rotation-path",
                                        "name": "Rotation path",
                                        "description": "Record manual or powered drive, support arrangement, and the boundary with host controls.",
                                        "questions": [
                                            {
                                                "text": "How is rotation imparted, and what supports or suspends the spindle during use?",
                                                "kind": "definition",
                                                "id": "rotation-path-q01"
                                            },
                                            {
                                                "text": "Which speed, direction, and stopping functions belong to the spindle assembly and which belong to its host?",
                                                "kind": "boundary",
                                                "id": "rotation-path-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "operating-envelope",
                                "name": "Operating envelope",
                                "description": "Records the limits applicable to the spindle and its configured attachments.",
                                "findings": [
                                    {
                                        "id": "combined-operating-limits",
                                        "name": "Combined operating limits",
                                        "description": "Assess speed and loading together, preserving the configuration and evidence behind each limit.",
                                        "questions": [
                                            {
                                                "text": "What speed, torque, axial load, radial load, attached mass, and overhang limits are documented for this configuration?",
                                                "kind": "measurement",
                                                "id": "combined-operating-limits-q01"
                                            },
                                            {
                                                "text": "Does the proposed operation satisfy both spindle limits and the limits of its attachment and support arrangement?",
                                                "kind": "action",
                                                "id": "combined-operating-limits-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "condition-and-service",
                        "name": "Condition and service decisions",
                        "description": "Organises spindle-specific observations and the actions they justify.",
                        "rationale": "Fit and nominal speed do not establish whether a worn, bent, poorly retained, or incorrectly supported spindle is usable.",
                        "layers": [
                            {
                                "id": "rotation-and-retention-condition",
                                "name": "Rotation and retention condition",
                                "description": "Assesses the working axis, locating surfaces, and retention features using application-appropriate checks.",
                                "findings": [
                                    {
                                        "id": "condition-evidence",
                                        "name": "Condition evidence",
                                        "description": "Record measured or observed runout, play, vibration, surface damage, and retention defects with their assessment conditions.",
                                        "questions": [
                                            {
                                                "text": "What runout, play, vibration, or visible damage was observed, at which locations and under what conditions?",
                                                "kind": "measurement",
                                                "id": "condition-evidence-q01"
                                            },
                                            {
                                                "text": "Which application-specific acceptance criteria determine whether those observations restrict use?",
                                                "kind": "provenance",
                                                "id": "condition-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "service-and-return-to-use",
                                "name": "Service and return to use",
                                "description": "Links spindle construction and condition to appropriate intervention and verification.",
                                "findings": [
                                    {
                                        "id": "permissible-intervention",
                                        "name": "Permissible intervention",
                                        "description": "Identify documented service actions and the evidence needed before the spindle returns to operation.",
                                        "questions": [
                                            {
                                                "text": "What cleaning, lubrication, attachment adjustment, bearing service, balancing, or replacement is applicable to this spindle design?",
                                                "kind": "action",
                                                "id": "permissible-intervention-q01"
                                            },
                                            {
                                                "text": "What isolation, retention, alignment, and trial-operation checks are required by the applicable instructions before return to use?",
                                                "kind": "action",
                                                "id": "permissible-intervention-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "The recorded name does not distinguish textile spindles from machine-tool spindles; verify the intended registry sense before narrowing the entry.",
                                            "The definition covers related physical uses of the word; biological mitotic spindles and sleep spindles are outside this interpretation.",
                                            "Applicable standards, dimensions and operating speeds require an identified spindle application; none are asserted from the name alone."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of spindle this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Drop spindle for hand spinning",
                                            "Supported spindle for hand spinning",
                                            "Spinning-wheel spindle",
                                            "Lathe spindle",
                                            "Milling-machine spindle",
                                            "Grinding-machine spindle"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of spindle this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Twisting textile fibres into yarn during hand spinning",
                                            "Producing yarn in textile machinery",
                                            "Holding and rotating workpieces in a lathe",
                                            "Holding and rotating cutting tools in milling or drilling machinery",
                                            "Driving grinding wheels"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of spindle this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "quantity": "Rotational speed",
                                                "typical_range": "Depends on spindle type and application",
                                                "unit": "r/min"
                                            },
                                            {
                                                "quantity": "Radial runout",
                                                "typical_range": "Depends on the required machining accuracy and measurement location",
                                                "unit": "µm"
                                            },
                                            {
                                                "quantity": "Shaft diameter",
                                                "typical_range": "Depends on construction and application",
                                                "unit": "mm"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of spindle this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Bearing wear or inadequate lubrication in bearing-supported spindles can cause heat, vibration and loss of accuracy.",
                                            "Shaft bending or misalignment can cause excessive runout.",
                                            "Imbalance can produce vibration and accelerated wear.",
                                            "Powered rotating spindles can entangle hair, clothing or jewellery.",
                                            "Failure of tool or workpiece retention can eject rotating components."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of spindle this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "name": "shaft",
                                                "difference": "Shaft is the broader mechanical category; spindle usually denotes a shaft serving a particular working function, such as carrying a tool or workpiece."
                                            },
                                            {
                                                "name": "spindle whorl",
                                                "difference": "A whorl is a weighted component fitted to some textile spindles to influence their rotation, rather than the complete spindle."
                                            },
                                            {
                                                "name": "bobbin",
                                                "difference": "A bobbin holds wound yarn or thread and may be carried on a spindle; it is not the spindle itself."
                                            },
                                            {
                                                "name": "chuck",
                                                "difference": "A chuck grips a tool or workpiece and may be mounted on a machine spindle."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of spindle this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does vr.tr.spindle denote a textile implement, a machine spindle, a fixed architectural member, or a broader physical category according to its originating registry record?",
                "Does an existing Vercy world model already own the intended spindle concept, requiring a link instead of a separate publication?",
                "Which spindle subtypes belong within this entry, and which application distinctions should remain conditional layers rather than separate registered things?",
                "Which authoritative sources establish the relevant attachment standards, issuing bodies, operating limits, and inspection methods for the confirmed spindle sense?",
                "Which failure modes, maintenance requirements, and certification obligations apply to the spindle itself rather than solely to its host equipment?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 14,
                "questions": 22
            }
        },
        "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 spindle, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a spindle, identify its rotational role and interfaces, assess its condition, and determine compatible and permissible uses.",
            "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: hand spindle.",
                "1 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 66 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 spindle, 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": [
                        "hand spindle"
                    ]
                }
            ],
            "standing": "Described in 66 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 1 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 spindle from another, and a spindle 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 spindle, 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 spindle, 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 spindle 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 spindle, 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 spindle, 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 spindle 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 spindle 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 spindle, 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 spindle, 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 spindle 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 spindle from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a spindle, 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 spindle, 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 spindle 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 spindle 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 spindle, 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 spindle, 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 spindle 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 spindle is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a spindle, 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 spindle, 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 spindle 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 spindle is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a spindle, 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 spindle, 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 spindle 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 spindle 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 spindle is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a spindle, 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 spindle, 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 spindle 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 spindle 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 spindle, 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 spindle, 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 spindle 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 spindle 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 spindle between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a spindle, 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 spindle, 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 spindle 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 spindle, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a spindle 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 spindle, 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 spindle, 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 spindle 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 spindle 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 spindle 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 spindle, 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 spindle 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 spindle 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 spindle 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 spindle 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 spindle 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 spindle, 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 spindle 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 spindle and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a spindle, 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 spindle, 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 spindle 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 spindle is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a spindle, 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 spindle, 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 spindle 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
            }
        }
    }
}