{
    "model": {
        "rank": 5786,
        "code": "thing-q183621",
        "model_id": "vr.tr.yo-yo",
        "name": "yo-yo",
        "purpose": "Enable an AI agent to recognise a yo-yo, assess its configuration and working state, and decide which play, adjustment or maintenance actions it supports.",
        "family": "Thing Registry",
        "category": "Activities and processes",
        "status": "research-draft",
        "kind": "thing",
        "plane": "ACT",
        "domain": "ACT.ACT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q183621/",
        "tier": 2,
        "score": 65,
        "payload": {
            "layer": "wikidata",
            "aliases": [],
            "aliasCount": 0,
            "merged": 0,
            "knownIn": 65,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q183621",
                "url": "https://www.wikidata.org/wiki/Q183621",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T09:18:13Z",
                "providers": [
                    "Codex"
                ],
                "missingProviders": [
                    "Grok"
                ],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": null,
                        "turns": null,
                        "seconds": 14.3,
                        "error": "Error: Internal error: {\n  \"message\": \"API error (status 402 Payment Required): Grok Build usage balance exhausted\",\n  \"http_status\": 402\n}",
                        "retried": true
                    },
                    "codex": {
                        "seconds": 98.3,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b27-b893-7e20-9d6a-dd8498f29ee9\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: yo-yo\nRegistry id: vr.tr.yo-yo\nPlane / domain: ACT / ACT.ACT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy model"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q183621",
                "registryId": "vr.tr.yo-yo",
                "name": "yo-yo",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "ACT.ACT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q183621/",
            "model": {
                "registry_id": "vr.tr.yo-yo",
                "name": "yo-yo",
                "purpose": "Enable an AI agent to recognise a yo-yo, assess its configuration and working state, and decide which play, adjustment or maintenance actions it supports.",
                "definition": "",
                "scope_statement": "This model owns the yo-yo as a playable rotating object, including its body, axle assembly, response mechanism, fitted string and current operating state; ACT / ACT.ACT is treated as registry placement pending clarification of whether the entry denotes the object or the activity.",
                "in_scope": [
                    "Body geometry, rotational balance and integrity of the assembled yo-yo",
                    "Axle, bearing or other string-support arrangement and its freedom of movement",
                    "String configuration, condition and relationship to the axle",
                    "Return response, supported play modes and configuration-dependent behaviour",
                    "Current winding, spinning, binding, snagging and readiness states"
                ],
                "out_of_scope": [
                    "The player's general motor skills, training history and physical condition",
                    "Trick choreography, competition rules and scoring systems",
                    "Manufacturing processes and raw-material specifications",
                    "Retail listings, ownership transactions and collectible valuation",
                    "General room layout and bystander management beyond immediate play-clearance requirements"
                ],
                "distinguishing_features": [
                    "In its ordinary attached-string configuration, the string winds around a central axle region between rotating body sides; a spinning top does not use this winding-and-return arrangement.",
                    "The body can move away from the hand as string unwinds and can be recovered by winding string back around the axle region; a tethered ball merely swinging from a cord does not meet this test.",
                    "Its body and string interface support yo-yo handling, including configurations where return requires a deliberate bind; lack of return on a simple tug does not alone exclude it.",
                    "An off-string candidate must be assessed for yo-yo-style winding, launch, string interception and recovery; an unattached spinning body is not sufficient evidence, particularly when distinguishing it from a diabolo."
                ],
                "characteristics": [
                    {
                        "name": "Body profile",
                        "kind": "category",
                        "unit_or_values": "Recorded profile, such as narrow, flared or other; unknown permitted",
                        "why_it_matters": "Helps assess string access, handling and the kinds of play the body can accommodate."
                    },
                    {
                        "name": "Assembled dimensions",
                        "kind": "measurement",
                        "unit_or_values": "Body diameter and overall width in mm",
                        "why_it_matters": "Supports recognition, hand-fit assessment and clearance planning."
                    },
                    {
                        "name": "Assembled mass",
                        "kind": "measurement",
                        "unit_or_values": "g",
                        "why_it_matters": "Informs handling demands and comparison between configurations."
                    },
                    {
                        "name": "Axle and string-support mechanism",
                        "kind": "category",
                        "unit_or_values": "Fixed axle, bearing-supported, transaxle sleeve, other or unknown",
                        "why_it_matters": "Constrains expected spin behaviour, maintenance and compatible string arrangements."
                    },
                    {
                        "name": "String gap",
                        "kind": "measurement",
                        "unit_or_values": "mm, with measurement location and assembled configuration recorded",
                        "why_it_matters": "Helps evaluate string clearance and configuration changes that affect response."
                    },
                    {
                        "name": "Observed return response",
                        "kind": "state",
                        "unit_or_values": "Returns on tug, returns with bind, returns inconsistently, fails to return, untested",
                        "why_it_matters": "Determines suitable retrieval actions and helps separate intended behaviour from a fault."
                    },
                    {
                        "name": "Fitted string relationship",
                        "kind": "relation",
                        "unit_or_values": "String identity, axle engagement, finger-loop arrangement and any free counterweight; none or unknown permitted",
                        "why_it_matters": "Distinguishes configurations that require different release, control and recovery actions."
                    },
                    {
                        "name": "Effective string length",
                        "kind": "measurement",
                        "unit_or_values": "cm, with endpoints and measurement tension stated",
                        "why_it_matters": "Affects reach, floor clearance and suitability for the intended user and play."
                    },
                    {
                        "name": "Mechanical condition",
                        "kind": "state",
                        "unit_or_values": "Observed cracks, looseness, rubbing, wobble, string wear or response-component wear; inspection incomplete permitted",
                        "why_it_matters": "Supports a decision to play, adjust, repair or stop using the yo-yo."
                    },
                    {
                        "name": "Current operating state",
                        "kind": "state",
                        "unit_or_values": "Wound, unwound, spinning at string end, returning, detached in play, tangled or unknown",
                        "why_it_matters": "Identifies which next actions are physically available."
                    }
                ],
                "affordances": [
                    "Inspect and classify the body, axle, response and string configuration.",
                    "Wind, launch and retrieve the yo-yo using a method appropriate to its observed response.",
                    "Assess whether a requested play mode is supported by the current configuration.",
                    "Fit or replace a compatible string and check its engagement and length.",
                    "Adjust or service supported components, then reassess spin and return behaviour.",
                    "Pause play when damage, snagging or unpredictable return makes the next action unsuitable."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-play-configuration",
                        "name": "Identity and play configuration",
                        "description": "Establishes that the candidate is a yo-yo and identifies how it is configured for play.",
                        "rationale": "A yo-yo can remain recognisable across attached-string, off-string and counterweight configurations, so attachment alone cannot determine identity.",
                        "layers": [
                            {
                                "id": "recognition-boundary",
                                "name": "Recognition boundary",
                                "description": "Tests the candidate's winding and rotating-body arrangement against neighbouring objects.",
                                "findings": [
                                    {
                                        "id": "winding-and-recovery-arrangement",
                                        "name": "Winding and recovery arrangement",
                                        "description": "Record the physical evidence for yo-yo-style string winding, launch and recovery without requiring every configuration to return on a tug.",
                                        "questions": [
                                            {
                                                "text": "What body and axle features allow string to wind between the rotating sides?",
                                                "kind": "definition",
                                                "id": "winding-and-recovery-arrangement-q01"
                                            },
                                            {
                                                "text": "What observed feature distinguishes this candidate from a spinning top, tethered ball or diabolo?",
                                                "kind": "boundary",
                                                "id": "winding-and-recovery-arrangement-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "configured-play-mode",
                                "name": "Configured play mode",
                                "description": "Separates the fitted setup from possible uses of the same body.",
                                "findings": [
                                    {
                                        "id": "attachment-and-control",
                                        "name": "Attachment and control",
                                        "description": "Record how the string engages the yo-yo and how its other end is controlled in the intended play mode.",
                                        "questions": [
                                            {
                                                "text": "Is the yo-yo retained by the string during intended play, or is release from the string part of the setup?",
                                                "kind": "definition",
                                                "id": "attachment-and-control-q01"
                                            },
                                            {
                                                "text": "Is the hand end configured with a finger loop, a free counterweight or another arrangement?",
                                                "kind": "definition",
                                                "id": "attachment-and-control-q02"
                                            },
                                            {
                                                "text": "Which requested play modes are supported by evidence for this configuration?",
                                                "kind": "action",
                                                "id": "attachment-and-control-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "body-and-rotational-assembly",
                        "name": "Body and rotational assembly",
                        "description": "Captures the geometry and assembled condition that govern rotation and string access.",
                        "rationale": "Body shape, gap clearance and assembly integrity affect whether the yo-yo spins cleanly and receives the string as intended.",
                        "layers": [
                            {
                                "id": "body-geometry",
                                "name": "Body geometry",
                                "description": "Records dimensions and the profile presented to the string and player's hand.",
                                "findings": [
                                    {
                                        "id": "profile-and-string-gap",
                                        "name": "Profile and string gap",
                                        "description": "Record diameter, width, mass, side profile and the string gap in the inspected configuration.",
                                        "questions": [
                                            {
                                                "text": "What are the assembled diameter, width and mass of this yo-yo?",
                                                "kind": "measurement",
                                                "id": "profile-and-string-gap-q01"
                                            },
                                            {
                                                "text": "What is the string gap, and where was it measured?",
                                                "kind": "measurement",
                                                "id": "profile-and-string-gap-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "assembly-integrity",
                                "name": "Assembly integrity",
                                "description": "Checks whether the sides and axle form a stable rotating assembly.",
                                "findings": [
                                    {
                                        "id": "alignment-and-body-damage",
                                        "name": "Alignment and body damage",
                                        "description": "Record looseness, cracks, rubbing and observed wobble, distinguishing inspection evidence from suspected causes.",
                                        "questions": [
                                            {
                                                "text": "Are either body side or the axle joint loose, cracked or visibly misaligned?",
                                                "kind": "measurement",
                                                "id": "alignment-and-body-damage-q01"
                                            },
                                            {
                                                "text": "Does wobble persist across repeated controlled launches, or could the launch itself explain it?",
                                                "kind": "measurement",
                                                "id": "alignment-and-body-damage-q02"
                                            },
                                            {
                                                "text": "Which observed defects require play to stop before further testing?",
                                                "kind": "action",
                                                "id": "alignment-and-body-damage-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "axle-spin-and-return-response",
                        "name": "Axle, spin and return response",
                        "description": "Models how the string interfaces with rotation and how return begins.",
                        "rationale": "Failure to return on a tug may be intended behaviour; an agent must distinguish response design from malfunction.",
                        "layers": [
                            {
                                "id": "string-support-mechanism",
                                "name": "String-support mechanism",
                                "description": "Identifies the surfaces and components between the string and rotating body.",
                                "findings": [
                                    {
                                        "id": "axle-interface-and-spin",
                                        "name": "Axle interface and spin",
                                        "description": "Record whether the string runs on a fixed axle, sleeve, bearing or another mechanism and what motion is observed.",
                                        "questions": [
                                            {
                                                "text": "Which component supports the string, and which parts rotate relative to one another?",
                                                "kind": "definition",
                                                "id": "axle-interface-and-spin-q01"
                                            },
                                            {
                                                "text": "Under a recorded launch and string setup, does the yo-yo continue spinning at the string end or immediately rewind?",
                                                "kind": "measurement",
                                                "id": "axle-interface-and-spin-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "return-trigger",
                                "name": "Return trigger",
                                "description": "Connects response components and observed behaviour to an appropriate retrieval action.",
                                "findings": [
                                    {
                                        "id": "expected-and-observed-response",
                                        "name": "Expected and observed response",
                                        "description": "Record the expected return method, its evidence and whether actual return is predictable.",
                                        "questions": [
                                            {
                                                "text": "What documentation or controlled observation establishes whether this setup should return on a tug or require a bind?",
                                                "kind": "provenance",
                                                "id": "expected-and-observed-response-q01"
                                            },
                                            {
                                                "text": "Does the expected return action work consistently without unintended catches?",
                                                "kind": "measurement",
                                                "id": "expected-and-observed-response-q02"
                                            },
                                            {
                                                "text": "Which retrieval method is appropriate for the response actually observed?",
                                                "kind": "action",
                                                "id": "expected-and-observed-response-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "string-fit-and-condition",
                        "name": "String fit and condition",
                        "description": "Captures the fitted string as a working part of the yo-yo configuration.",
                        "rationale": "String length, engagement, twist and wear can change control and response even when the body is unchanged.",
                        "layers": [
                            {
                                "id": "string-fit",
                                "name": "String fit",
                                "description": "Records string dimensions and installation relative to the axle and intended user.",
                                "findings": [
                                    {
                                        "id": "length-and-engagement",
                                        "name": "Length and engagement",
                                        "description": "Record effective length, known string specification and the arrangement around the axle.",
                                        "questions": [
                                            {
                                                "text": "What is the effective string length, measured between which endpoints?",
                                                "kind": "measurement",
                                                "id": "length-and-engagement-q01"
                                            },
                                            {
                                                "text": "How is the string engaged around the axle, and what evidence supports that arrangement for this mechanism?",
                                                "kind": "provenance",
                                                "id": "length-and-engagement-q02"
                                            },
                                            {
                                                "text": "Does the fitted length provide suitable floor clearance for the intended launch?",
                                                "kind": "boundary",
                                                "id": "length-and-engagement-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "string-serviceability",
                                "name": "String serviceability",
                                "description": "Assesses whether the string can support the next play action predictably.",
                                "findings": [
                                    {
                                        "id": "wear-twist-and-knots",
                                        "name": "Wear, twist and knots",
                                        "description": "Record fraying, damaged loops, unwanted knots and twist behaviour rather than assuming string age determines serviceability.",
                                        "questions": [
                                            {
                                                "text": "Where are fraying, thinning, damaged loops or unwanted knots visible?",
                                                "kind": "measurement",
                                                "id": "wear-twist-and-knots-q01"
                                            },
                                            {
                                                "text": "Does the slack string kink or twist together enough to interfere with the intended action?",
                                                "kind": "measurement",
                                                "id": "wear-twist-and-knots-q02"
                                            },
                                            {
                                                "text": "Should the string be untangled, have its twist corrected or be replaced before play resumes?",
                                                "kind": "action",
                                                "id": "wear-twist-and-knots-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "operating-state-and-intervention",
                        "name": "Operating state and intervention",
                        "description": "Connects the yo-yo's present state to playable, recoverable and serviceable next states.",
                        "rationale": "The same yo-yo requires different actions when wound, spinning, tangled or mechanically compromised.",
                        "layers": [
                            {
                                "id": "current-play-state",
                                "name": "Current play state",
                                "description": "Records the immediate relationship between body motion and string arrangement.",
                                "findings": [
                                    {
                                        "id": "motion-and-winding-state",
                                        "name": "Motion and winding state",
                                        "description": "Identify whether the yo-yo is ready to launch, spinning freely, returning, detached as intended or obstructed.",
                                        "questions": [
                                            {
                                                "text": "Is the string wound, unwound, engaged in a bind or trapped in an unwanted knot or wrap?",
                                                "kind": "measurement",
                                                "id": "motion-and-winding-state-q01"
                                            },
                                            {
                                                "text": "Is the body stationary, spinning at the string end, returning or detached in an intended off-string action?",
                                                "kind": "measurement",
                                                "id": "motion-and-winding-state-q02"
                                            },
                                            {
                                                "text": "What controlled action can bring this state to a stopped or ready-to-launch state?",
                                                "kind": "action",
                                                "id": "motion-and-winding-state-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "adjustment-and-recheck",
                                "name": "Adjustment and recheck",
                                "description": "Constrains servicing to supported changes and checks their effect on play.",
                                "findings": [
                                    {
                                        "id": "supported-service-and-validation",
                                        "name": "Supported service and validation",
                                        "description": "Record permitted disassembly, compatible replacement parts and observed behaviour after intervention.",
                                        "questions": [
                                            {
                                                "text": "What evidence establishes whether the body can be opened and which axle, bearing or response parts are compatible?",
                                                "kind": "provenance",
                                                "id": "supported-service-and-validation-q01"
                                            },
                                            {
                                                "text": "Which supported intervention addresses the observed snagging, rubbing or return problem?",
                                                "kind": "action",
                                                "id": "supported-service-and-validation-q02"
                                            },
                                            {
                                                "text": "After the intervention, do assembly integrity, string clearance, spin and expected return pass a controlled recheck?",
                                                "kind": "measurement",
                                                "id": "supported-service-and-validation-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the ACT / ACT.ACT registry placement intend the physical yo-yo, the activity of yo-yoing or another concept, and does an existing world model already own that concept?",
                "What operational boundary should distinguish off-string yo-yos from small diabolos and other string-launched spinning toys?",
                "Which recognised terminology should describe body profiles, axle mechanisms and response types without implying unsupported compatibility?",
                "What manufacturer-specific evidence is required before recommending string materials, axle wraps, lubrication, gap adjustment or replacement response parts?",
                "Which repeatable inspection and play checks can distinguish launch-induced wobble and user-dependent return failure from mechanical defects?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 10,
                "questions": 27
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "abstract concept",
            "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 yo-yo, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a yo-yo, assess its configuration and working state, and decide which play, adjustment or maintenance actions it supports.",
            "characteristics": {
                "substance": "activity",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Described in 65 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a yo-yo, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "something that happens over time",
            "physicalCharacter": [
                "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": [
                "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about."
            ],
            "relatedModels": [],
            "standing": "Described in 65 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one yo-yo from another, and a yo-yo 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 yo-yo, 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 yo-yo, 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 yo-yo 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 yo-yo, 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 yo-yo, 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 yo-yo 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 yo-yo 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 yo-yo, 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 yo-yo, 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 yo-yo 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 yo-yo from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a yo-yo, 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 yo-yo, 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 yo-yo 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 yo-yo 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 yo-yo between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a yo-yo, 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 yo-yo, 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 yo-yo 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 yo-yo, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a yo-yo 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 yo-yo, 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 yo-yo, 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 yo-yo is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "process-and-outcome",
                        "name": "Process, inputs and outcome",
                        "description": "How a yo-yo proceeds, what it needs and what it leaves behind.",
                        "rationale": "An activity is known by its steps and its results, and both have to be recordable while it is still running.",
                        "layers": [
                            {
                                "id": "steps-and-sequence",
                                "name": "Steps and sequence",
                                "description": "The steps of a yo-yo, their order and what may run in parallel.",
                                "findings": [
                                    {
                                        "id": "steps-and-preconditions",
                                        "name": "Steps, preconditions and completion",
                                        "description": "What has to be true before each step of a yo-yo and what marks it done.",
                                        "questions": [
                                            {
                                                "id": "steps-and-preconditions-q01",
                                                "text": "What identifies and describes a step of a yo-yo, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "steps-and-preconditions-q02",
                                                "text": "Who or what asserted this about a step of a yo-yo, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "steps-and-preconditions-q03",
                                                "text": "What may an agent decide or do once a step of a yo-yo is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "inputs-and-results",
                                "name": "Inputs, resources and results",
                                "description": "What a yo-yo consumes and what it produces.",
                                "findings": [
                                    {
                                        "id": "inputs-and-outputs",
                                        "name": "Inputs, outputs and side effects",
                                        "description": "The resources a yo-yo takes and the results it leaves, wanted or not.",
                                        "questions": [
                                            {
                                                "id": "inputs-and-outputs-q01",
                                                "text": "What identifies and describes the inputs and results of a yo-yo, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "inputs-and-outputs-q02",
                                                "text": "Who or what asserted this about the inputs and results of a yo-yo, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "inputs-and-outputs-q03",
                                                "text": "What may an agent decide or do once the inputs and results of a yo-yo is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "definitions-in-contest",
                        "name": "Definitions and who holds them",
                        "description": "What yo-yo is taken to mean, and by whom.",
                        "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.",
                        "layers": [
                            {
                                "id": "competing-definitions",
                                "name": "Competing definitions",
                                "description": "The main readings and the traditions behind them.",
                                "findings": [
                                    {
                                        "id": "definition-map",
                                        "name": "Definitions and their holders",
                                        "description": "Each definition with the school or body that holds it.",
                                        "questions": [
                                            {
                                                "id": "definition-map-q01",
                                                "text": "Which definitions of yo-yo are in use, and which tradition or body holds each?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "definition-map-q02",
                                                "text": "What turns on the difference between them in practice?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "operationalisation",
                                "name": "Operationalisation",
                                "description": "How it is measured or applied when it has to be.",
                                "findings": [
                                    {
                                        "id": "operational-record",
                                        "name": "Measures and proxies",
                                        "description": "Instruments and indicators used to stand in for it.",
                                        "questions": [
                                            {
                                                "id": "operational-record-q01",
                                                "text": "How is yo-yo operationalised or measured in practice, and by what instrument?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "operational-record-q02",
                                                "text": "What does that operationalisation leave out, and when does that matter?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "instances-and-use",
                        "name": "Instances, use and consequence",
                        "description": "What counts as an instance of yo-yo and what follows from calling something that.",
                        "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.",
                        "layers": [
                            {
                                "id": "instances",
                                "name": "What counts as an instance",
                                "description": "Clear cases, borderline cases and non-cases.",
                                "findings": [
                                    {
                                        "id": "instance-tests",
                                        "name": "Tests for an instance",
                                        "description": "What would settle whether something falls under it.",
                                        "questions": [
                                            {
                                                "id": "instance-tests-q01",
                                                "text": "What would settle whether something is an instance of yo-yo?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "instance-tests-q02",
                                                "text": "Which borderline cases are argued about, and on what grounds?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "consequence",
                                "name": "Consequence of application",
                                "description": "Rights, duties or decisions that follow from the label.",
                                "findings": [
                                    {
                                        "id": "consequence-record",
                                        "name": "What the label licenses",
                                        "description": "What an agent may do once something is classified this way.",
                                        "questions": [
                                            {
                                                "id": "consequence-record-q01",
                                                "text": "What follows practically once something is treated as yo-yo?",
                                                "kind": "action"
                                            },
                                            {
                                                "id": "consequence-record-q02",
                                                "text": "What must an agent not infer from the label alone?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a yo-yo 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 yo-yo and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a yo-yo, 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 yo-yo, 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 yo-yo 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 yo-yo is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a yo-yo, 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 yo-yo, 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 yo-yo is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 6,
                "layers": 12,
                "findings": 14,
                "questions": 38
            }
        }
    }
}