{
    "model": {
        "rank": 6642,
        "code": "thing-q194326",
        "model_id": "vr.tr.juggling",
        "name": "juggling",
        "purpose": "Enable an agent to recognise a juggling activity, assess its pattern and execution state, and identify appropriate practice, performance or adaptation actions.",
        "family": "Thing Registry",
        "category": "Activities and processes",
        "status": "research-draft",
        "kind": "thing",
        "plane": "ACT",
        "domain": "ACT.ACT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q194326/",
        "tier": 2,
        "score": 59,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "devil sticks",
                "contact juggling",
                "toss juggling",
                "bounce juggling",
                "knife juggling"
            ],
            "aliasCount": 5,
            "merged": 5,
            "knownIn": 59,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q194326",
                "url": "https://www.wikidata.org/wiki/Q194326",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T23:11:55Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 18,
                        "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: 01a08870-30cc-77e1-8496-bf3dab18f5fb\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: juggling\nSense to describe: (none recorded)\nDomain code: ACT.ACT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 007: 1001 regist",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 66.6,
                        "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: 01a08870-30c0-7723-9fd2-9676273e7893\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: juggling\nRegistry id: vr.tr.juggling\nPlane / domain: ACT / ACT.ACT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContex"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q194326",
                "registryId": "vr.tr.juggling",
                "name": "juggling",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "ACT.ACT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q194326/",
            "model": {
                "registry_id": "vr.tr.juggling",
                "name": "juggling",
                "purpose": "Enable an agent to recognise a juggling activity, assess its pattern and execution state, and identify appropriate practice, performance or adaptation actions.",
                "definition": "Juggling is a skilled activity in which a person controls one or more objects through coordinated patterns of throwing, catching, balancing, rolling or other manipulation, often for recreation, sport or performance.",
                "scope_statement": "This model owns juggling as an enacted skill involving coordinated manipulation of props, including its styles, movement patterns, execution, learning and presentation; the boundaries of contact and mixed manipulation styles remain explicit.",
                "in_scope": [
                    "Toss, bounce, contact and mixed juggling activities, with their inclusion criteria recorded",
                    "Prop allocation, trajectories, catches, contacts and transfers",
                    "Solo and collaborative pattern execution",
                    "Observable control, errors, recovery and skill progression",
                    "Juggling routines and their immediate spatial and audience conditions"
                ],
                "out_of_scope": [
                    "Manufacture and general product specifications of balls, clubs, rings and other props",
                    "Whole circus productions and the management of performance venues",
                    "General models of motor learning, biomechanics or physical fitness",
                    "Mathematical sequence theory beyond its use in representing juggling patterns",
                    "Metaphorical juggling of responsibilities or resources"
                ],
                "distinguishing_features": [
                    "The activity makes deliberate control of prop motion or contact a central task, rather than an incidental part of another activity.",
                    "Toss and bounce instances involve coordinated releases and subsequent receptions; contact instances instead require an explicit account of maintained or transferred contact.",
                    "Object count alone cannot decide inclusion: the model must identify the manipulation style and its boundary convention.",
                    "A pattern specifies relationships among successive prop actions; keeping objects moving without those relationships does not establish that a named pattern was executed.",
                    "Passing juggling coordinates prop ownership or reception across participants, rather than merely placing independent solo jugglers beside one another."
                ],
                "characteristics": [
                    {
                        "name": "Manipulation style",
                        "kind": "category",
                        "unit_or_values": "toss | bounce | contact | mixed | other specified",
                        "why_it_matters": "Determines which events, control criteria and representations apply."
                    },
                    {
                        "name": "Active prop configuration",
                        "kind": "state",
                        "unit_or_values": "Number and type of active props, including props held, airborne, bouncing or in maintained contact",
                        "why_it_matters": "Distinguishes the working pattern from spare props and makes changes in prop allocation visible."
                    },
                    {
                        "name": "Participant and reception arrangement",
                        "kind": "relation",
                        "unit_or_values": "Participants linked to hands, body contact sites and intended prop recipients",
                        "why_it_matters": "Separates solo control from passing dependencies and identifies responsibility for each reception."
                    },
                    {
                        "name": "Pattern representation",
                        "kind": "category",
                        "unit_or_values": "Named pattern, siteswap with convention specified, event sequence, movement description or unresolved identification",
                        "why_it_matters": "Supports comparison while exposing details that a name or notation may omit."
                    },
                    {
                        "name": "Release tempo",
                        "kind": "measurement",
                        "unit_or_values": "Releases per second, with counting convention and observation interval; not applicable where no releases occur",
                        "why_it_matters": "Makes timing demands comparable without forcing a toss measure onto contact work."
                    },
                    {
                        "name": "Prop flight envelope",
                        "kind": "measurement",
                        "unit_or_values": "Observed horizontal and vertical extent in metres relative to a stated origin",
                        "why_it_matters": "Relates toss or bounce execution to available space and nearby people."
                    },
                    {
                        "name": "Club rotation specification",
                        "kind": "measurement",
                        "unit_or_values": "Rotations per flight with rotation axis and reception orientation; not applicable to other prop configurations",
                        "why_it_matters": "Distinguishes club throws that share timing but require different catches."
                    },
                    {
                        "name": "Execution continuity",
                        "kind": "measurement",
                        "unit_or_values": "Duration, catches or completed cycles under a declared start, end and error rule",
                        "why_it_matters": "Supports progress assessment without treating unlike runs as equivalent."
                    },
                    {
                        "name": "Current control state",
                        "kind": "state",
                        "unit_or_values": "starting | sustained | drifting | recovering | intentionally ending | interrupted",
                        "why_it_matters": "Helps an agent distinguish a planned transition or finish from a loss of control."
                    },
                    {
                        "name": "Practice objective",
                        "kind": "category",
                        "unit_or_values": "Pattern acquisition | consistency | prop-count increase | transition | passing coordination | presentation | other specified",
                        "why_it_matters": "Connects observation to a relevant next action."
                    }
                ],
                "affordances": [
                    "Describe an observed juggling sequence and flag uncertain style or pattern identification.",
                    "Check whether a pattern representation accounts for the observed throws, contacts and recipients.",
                    "Compare attempts using consistent catch, cycle, duration and error conventions.",
                    "Identify recurrent timing, placement or reception deviations and propose a targeted practice adjustment.",
                    "Plan starts, transitions, finishes and recovery options for a routine.",
                    "Adapt prop allocation, passing arrangement or movement envelope to the available setting."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "juggling-identity",
                        "name": "Juggling identity",
                        "description": "Establishes what activity is being recognised and which juggling convention supports that recognition.",
                        "rationale": "Juggling includes styles whose relationship to throwing and catching differs, so one mechanical definition would misclassify some instances.",
                        "layers": [
                            {
                                "id": "style-boundaries",
                                "name": "Style boundaries",
                                "description": "Records the manipulation style and its boundary with neighbouring prop arts.",
                                "findings": [
                                    {
                                        "id": "style-inclusion",
                                        "name": "Style inclusion",
                                        "description": "Record why the observed manipulation qualifies as juggling under the selected convention, especially for contact or mixed work.",
                                        "questions": [
                                            {
                                                "text": "Which observable releases, receptions, balances or contact transfers establish the proposed juggling style?",
                                                "kind": "definition",
                                                "id": "style-inclusion-q01"
                                            },
                                            {
                                                "text": "Where does the selected convention place the boundary with balancing, object spinning, dance or other prop manipulation?",
                                                "kind": "boundary",
                                                "id": "style-inclusion-q02"
                                            },
                                            {
                                                "text": "Whose terminology supports this classification?",
                                                "kind": "provenance",
                                                "id": "style-inclusion-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "instance-boundaries",
                                "name": "Instance boundaries",
                                "description": "Distinguishes an attempt, a sustained pattern and a composed routine.",
                                "findings": [
                                    {
                                        "id": "attempt-and-routine",
                                        "name": "Attempt and routine",
                                        "description": "Identify the unit being observed and whether setup, transitions, recovery and finishing belong to it.",
                                        "questions": [
                                            {
                                                "text": "Does this record describe one attempt, one sustained pattern or a routine containing several patterns?",
                                                "kind": "definition",
                                                "id": "attempt-and-routine-q01"
                                            },
                                            {
                                                "text": "Which first and last events delimit the recorded juggling instance?",
                                                "kind": "measurement",
                                                "id": "attempt-and-routine-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "props-and-control",
                        "name": "Props and control",
                        "description": "Relates active props to the hands, bodies, surfaces and partners controlling them.",
                        "rationale": "The same nominal pattern can impose different execution demands when prop type, rotation, bounce or contact changes.",
                        "layers": [
                            {
                                "id": "prop-behaviour",
                                "name": "Prop behaviour",
                                "description": "Captures prop properties insofar as they affect the juggling instance.",
                                "findings": [
                                    {
                                        "id": "task-relevant-prop-properties",
                                        "name": "Task-relevant prop properties",
                                        "description": "Record the active prop mix and observed effects of size, mass, grip, rebound and rotational orientation where relevant.",
                                        "questions": [
                                            {
                                                "text": "Which prop differences visibly change release, rebound, contact travel or reception in this activity?",
                                                "kind": "measurement",
                                                "id": "task-relevant-prop-properties-q01"
                                            },
                                            {
                                                "text": "Would changing a prop require changing the timing, flight height, rotation or contact technique?",
                                                "kind": "action",
                                                "id": "task-relevant-prop-properties-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "control-and-transfer",
                                "name": "Control and transfer",
                                "description": "Tracks where control passes between hands, contact sites, surfaces and participants.",
                                "findings": [
                                    {
                                        "id": "prop-control-path",
                                        "name": "Prop control path",
                                        "description": "Represent intended release and reception endpoints, including bounce surfaces and maintained-contact segments.",
                                        "questions": [
                                            {
                                                "text": "For each prop action, what releases or guides the prop and what is intended to receive or support it next?",
                                                "kind": "definition",
                                                "id": "prop-control-path-q01"
                                            },
                                            {
                                                "text": "In passing, which participant receives each pass and what shared timing or cue coordinates that transfer?",
                                                "kind": "measurement",
                                                "id": "prop-control-path-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "pattern-and-timing",
                        "name": "Pattern and timing",
                        "description": "Describes the ordered prop actions and spatial and temporal relationships that constitute the pattern.",
                        "rationale": "Recognising juggling requires more than counting props; an agent must distinguish intended structure from a particular execution.",
                        "layers": [
                            {
                                "id": "pattern-description",
                                "name": "Pattern description",
                                "description": "Records pattern names, notation and movement details with explicit representational limits.",
                                "findings": [
                                    {
                                        "id": "representation-coverage",
                                        "name": "Representation coverage",
                                        "description": "State what a name or notation encodes and supplement it with omitted hand paths, prop orientations, contacts or passing assignments.",
                                        "questions": [
                                            {
                                                "text": "Which pattern name or notation is being used, and what convention defines it?",
                                                "kind": "provenance",
                                                "id": "representation-coverage-q01"
                                            },
                                            {
                                                "text": "Which observed details cannot be recovered from that representation alone?",
                                                "kind": "boundary",
                                                "id": "representation-coverage-q02"
                                            },
                                            {
                                                "text": "What action sequence describes this instance if the selected notation does not fit its style?",
                                                "kind": "definition",
                                                "id": "representation-coverage-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "rhythm-and-geometry",
                                "name": "Rhythm and geometry",
                                "description": "Connects releases, receptions and contact movements to timing and spatial organisation.",
                                "findings": [
                                    {
                                        "id": "timing-and-path-consistency",
                                        "name": "Timing and path consistency",
                                        "description": "Compare intended and observed intervals, paths and reception positions without assuming all patterns use uniform timing.",
                                        "questions": [
                                            {
                                                "text": "What timing relationships are intended between releases, receptions, bounces or contact transfers?",
                                                "kind": "definition",
                                                "id": "timing-and-path-consistency-q01"
                                            },
                                            {
                                                "text": "Where do observed timing or spatial deviations recur, and over how many cycles?",
                                                "kind": "measurement",
                                                "id": "timing-and-path-consistency-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "execution-and-learning",
                        "name": "Execution and learning",
                        "description": "Makes control, breakdown and improvement observable under declared assessment rules.",
                        "rationale": "A brief successful sequence, a repeatable skill and a recoverable performance represent different practical states.",
                        "layers": [
                            {
                                "id": "continuity-and-errors",
                                "name": "Continuity and errors",
                                "description": "Defines successful continuation and distinguishes deviations from interruptions.",
                                "findings": [
                                    {
                                        "id": "run-assessment",
                                        "name": "Run assessment",
                                        "description": "Record continuity and error events using criteria appropriate to the style and practice objective.",
                                        "questions": [
                                            {
                                                "text": "What counts as a successful catch, cycle or contact passage, and what ends the measured run?",
                                                "kind": "measurement",
                                                "id": "run-assessment-q01"
                                            },
                                            {
                                                "text": "Was a drop, collision, extra contact, foot movement or partner correction an error under the declared rules?",
                                                "kind": "boundary",
                                                "id": "run-assessment-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "practice-and-recovery",
                                "name": "Practice and recovery",
                                "description": "Links observed difficulties to bounded practice changes and interruption handling.",
                                "findings": [
                                    {
                                        "id": "targeted-next-attempt",
                                        "name": "Targeted next attempt",
                                        "description": "Select a practice change from observed difficulty and record whether it improves the intended outcome across attempts.",
                                        "questions": [
                                            {
                                                "text": "Which recurring difficulty should the next attempt isolate: launch, timing, placement, rotation, contact transfer or partner coordination?",
                                                "kind": "action",
                                                "id": "targeted-next-attempt-q01"
                                            },
                                            {
                                                "text": "What simpler sequence or single-variable adjustment would test that interpretation?",
                                                "kind": "action",
                                                "id": "targeted-next-attempt-q02"
                                            },
                                            {
                                                "text": "What repeatable evidence would show readiness to restore complexity or increase the prop count?",
                                                "kind": "measurement",
                                                "id": "targeted-next-attempt-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "routine-and-setting",
                        "name": "Routine and setting",
                        "description": "Places juggling sequences within a purposeful routine and a usable physical setting.",
                        "rationale": "A pattern that works in isolation may require different transitions, spacing or presentation when performed with partners or before an audience.",
                        "layers": [
                            {
                                "id": "routine-composition",
                                "name": "Routine composition",
                                "description": "Organises entry, pattern changes, movement, cues and endings.",
                                "findings": [
                                    {
                                        "id": "transitions-and-presentation",
                                        "name": "Transitions and presentation",
                                        "description": "Specify how the juggler enters and exits patterns and what the routine intends observers to perceive.",
                                        "questions": [
                                            {
                                                "text": "What prop allocation and timing state must be reached before each transition or finish?",
                                                "kind": "action",
                                                "id": "transitions-and-presentation-q01"
                                            },
                                            {
                                                "text": "Which changes in rhythm, orientation, movement or prop choice make the intended effect visible to the audience?",
                                                "kind": "action",
                                                "id": "transitions-and-presentation-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "working-space",
                                "name": "Working space",
                                "description": "Relates intended trajectories, participant movement and likely missed receptions to the setting.",
                                "findings": [
                                    {
                                        "id": "space-and-interruption-plan",
                                        "name": "Space and interruption plan",
                                        "description": "Record the space needed for the sequence and how execution stops or adapts when that space becomes unavailable.",
                                        "questions": [
                                            {
                                                "text": "Does the available ceiling height, floor surface and separation from partners or spectators accommodate the observed prop envelope?",
                                                "kind": "measurement",
                                                "id": "space-and-interruption-plan-q01"
                                            },
                                            {
                                                "text": "What cue or condition triggers a controlled finish, pause or change of pattern?",
                                                "kind": "action",
                                                "id": "space-and-interruption-plan-q02"
                                            },
                                            {
                                                "text": "Does the prop choice introduce requirements that need a separate specialist assessment before use?",
                                                "kind": "boundary",
                                                "id": "space-and-interruption-plan-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "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 unrecorded sense is interpreted as physical juggling, not metaphorical task management.",
                                            "The boundary between juggling and the wider object-manipulation arts varies between communities.",
                                            "Competition rules and record-validation requirements depend on the organising body and should be checked before use."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of juggling 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": [
                                            "Toss juggling",
                                            "Contact juggling",
                                            "Bounce juggling",
                                            "Passing between jugglers"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of juggling this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "scheme": "Siteswap notation",
                                                "value_or_pattern": "Sequences of throw values, such as 3 for the basic three-object cascade",
                                                "note": "Describes timing and object allocation in toss-juggling patterns; it does not uniquely specify every aspect of a performance."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of juggling 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": [
                                            "Circus, variety and street performance",
                                            "Recreational practice and social juggling",
                                            "Competitive demonstrations of technical skill",
                                            "Research on motor learning and coordination"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of juggling 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": "Number of objects maintained in a pattern",
                                                "typical_range": "3-5 in common recreational toss-juggling patterns; other forms and advanced routines differ",
                                                "unit": "objects"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of juggling 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": [
                                            "Timing or trajectory errors cause collisions, missed catches and drops.",
                                            "Repeated practice can produce overuse discomfort or injury.",
                                            "Heavy or hard props can injure performers or bystanders on impact.",
                                            "Fire props introduce burn and ignition hazards.",
                                            "Sharp props introduce cutting and puncture hazards."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of juggling 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": "Object manipulation",
                                                "difference": "Object manipulation is the broader category; many actions involving controlled objects are not conventionally called juggling."
                                            },
                                            {
                                                "name": "Acrobatics",
                                                "difference": "Acrobatics centres on skilled movement and balance of the performer's body; juggling centres on controlling props, although performances can combine them."
                                            },
                                            {
                                                "name": "Ball sports",
                                                "difference": "Ball sports organise object handling around game objectives and rules; juggling organises it around sustaining or presenting manipulation patterns."
                                            },
                                            {
                                                "name": "Multitasking",
                                                "difference": "Juggling tasks is a metaphor for managing competing activities, rather than the physical practice described here."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of juggling this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which documented juggling-community definitions should govern inclusion of contact juggling, balancing, spinning and other adjacent manipulation styles?",
                "Which representations adequately describe contact, multiplex, synchronous and passing sequences, and where are supplementary movement descriptions necessary?",
                "Which catch-count, cycle-count and run-ending conventions are used in the intended practice, performance or competition context?",
                "What evidence supports particular practice progressions for different juggling styles, props and participant abilities?",
                "Does an existing Vercy world model already cover juggling or a sufficiently equivalent activity, requiring this registry entry to link to it?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 17,
                "questions": 31
            }
        },
        "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 juggling, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise a juggling activity, assess its pattern and execution state, and identify appropriate practice, performance or adaptation actions.",
            "characteristics": {
                "substance": "activity",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: devil sticks, contact juggling, toss juggling, bounce juggling, knife juggling.",
                "5 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 59 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 juggling, 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": [
                {
                    "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": [
                        "devil sticks",
                        "contact juggling",
                        "toss juggling",
                        "bounce juggling",
                        "knife juggling"
                    ]
                }
            ],
            "standing": "Described in 59 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 5 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 juggling from another, and a juggling 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 juggling, 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 juggling, 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 juggling 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 juggling, 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 juggling, 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 juggling 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 juggling 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 juggling, 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 juggling, 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 juggling 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 juggling from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a juggling, 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 juggling, 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 juggling 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 juggling 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 juggling between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a juggling, 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 juggling, 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 juggling 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 juggling, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a juggling 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 juggling, 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 juggling, 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 juggling 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 juggling 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 juggling, 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 juggling and what marks it done.",
                                        "questions": [
                                            {
                                                "id": "steps-and-preconditions-q01",
                                                "text": "What identifies and describes a step of a juggling, 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 juggling, 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 juggling 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 juggling consumes and what it produces.",
                                "findings": [
                                    {
                                        "id": "inputs-and-outputs",
                                        "name": "Inputs, outputs and side effects",
                                        "description": "The resources a juggling 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 juggling, 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 juggling, 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 juggling 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 juggling 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 juggling 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 juggling 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 juggling 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 juggling?",
                                                "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 juggling?",
                                                "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 juggling 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 juggling and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a juggling, 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 juggling, 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 juggling 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 juggling is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a juggling, 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 juggling, 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 juggling 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
            }
        }
    }
}