{
    "model": {
        "rank": 2036,
        "code": "thing-q3930",
        "model_id": "vr.tr.table-tennis",
        "name": "table tennis",
        "purpose": "Enable an AI agent to recognise a table-tennis activity, assess its playing conditions and competitive state, and determine valid next actions under the applicable rules.",
        "family": "Thing Registry",
        "category": "Activities and processes",
        "status": "research-draft",
        "kind": "thing",
        "plane": "ACT",
        "domain": "ACT.ACT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q3930/",
        "tier": 2,
        "score": 118,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "men's table tennis",
                "para table tennis",
                "women's table tennis",
                "Ping-pong",
                "large ball table tennis",
                "Nigerian Open"
            ],
            "aliasCount": 6,
            "merged": 6,
            "knownIn": 118,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q3930",
                "url": "https://www.wikidata.org/wiki/Q3930",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T09:25:53Z",
                "providers": [
                    "Codex",
                    "Grok"
                ],
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": 0.00571438,
                        "turns": 1,
                        "seconds": 11.1,
                        "error": null
                    },
                    "codex": {
                        "seconds": 82.1,
                        "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: 01a07b2e-fc5d-7d10-86fe-87d8371c4629\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: table tennis\nRegistry id: vr.tr.table-tennis\nPlane / domain: ACT / ACT.ACT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q3930",
                "registryId": "vr.tr.table-tennis",
                "name": "table tennis",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "ACT.ACT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q3930/",
            "model": {
                "registry_id": "vr.tr.table-tennis",
                "name": "table tennis",
                "purpose": "Enable an AI agent to recognise a table-tennis activity, assess its playing conditions and competitive state, and determine valid next actions under the applicable rules.",
                "definition": "Table tennis is a racket sport in which two or four players hit a lightweight celluloid or plastic ball over a net on a rectangular table using rubber-faced rackets, with points scored when the opponent fails to make a legal return.",
                "scope_statement": "This model owns table tennis as a played activity, including its format, playing setup, rally mechanics, scoring state and permitted interventions; it references participants, equipment and governing rules without owning their independent lifecycles.",
                "in_scope": [
                    "Identification of singles, doubles, practice and adapted table-tennis formats",
                    "Suitability of the table, net assembly, ball, rackets and surrounding playing space for the declared activity",
                    "Service, return, rally and doubles-turn obligations",
                    "Point, game and match state under an identified ruleset",
                    "Interruptions, disputed decisions and conditions for continuing play"
                ],
                "out_of_scope": [
                    "Player identity, medical history and general athletic development",
                    "Equipment manufacture, inventory, ownership and maintenance history",
                    "Venue construction, booking and facility management",
                    "Tournament scheduling, rankings and qualification systems",
                    "Governance and publication of official rules",
                    "Other racket sports and table-based games with different play mechanics"
                ],
                "distinguishing_features": [
                    "The activity uses rackets to send a ball across a net between opposing portions of a table playing surface, rather than across a ground court.",
                    "Its declared service and return conventions use table bounces to determine valid play; merely hitting a ball over a net is insufficient identification.",
                    "It uses a ball rather than a shuttlecock, distinguishing it from badminton despite shared racket-and-net features.",
                    "The table is the rally playing surface rather than a support for a board, goals or mechanically controlled figures.",
                    "Labels such as ping-pong are resolved through actual equipment and play conventions, since a name alone does not establish whether standard table tennis or a variant is intended."
                ],
                "characteristics": [
                    {
                        "name": "Activity format",
                        "kind": "category",
                        "unit_or_values": "singles | doubles | practice drill | adapted format | other declared variant",
                        "why_it_matters": "Determines participant roles, turn obligations and whether match scoring applies."
                    },
                    {
                        "name": "Applicable rules",
                        "kind": "relation",
                        "unit_or_values": "Identified rules document and version, plus declared local modifications",
                        "why_it_matters": "Provides the authority for judging equipment, service, scoring and interruptions."
                    },
                    {
                        "name": "Table and net configuration",
                        "kind": "measurement",
                        "unit_or_values": "Table length, width and height; net height; units recorded explicitly",
                        "why_it_matters": "Allows comparison with requirements for the intended standard of play."
                    },
                    {
                        "name": "Playing-space clearance",
                        "kind": "measurement",
                        "unit_or_values": "Available clearance around each side and end of the table, in metres",
                        "why_it_matters": "Helps assess whether the intended movement and retrieval demands are feasible."
                    },
                    {
                        "name": "Equipment eligibility",
                        "kind": "state",
                        "unit_or_values": "accepted | rejected | unchecked | disputed, separately for table, net, ball and rackets",
                        "why_it_matters": "Distinguishes a usable recreational setup from one accepted for a particular competition."
                    },
                    {
                        "name": "Rally phase",
                        "kind": "state",
                        "unit_or_values": "awaiting service | service underway | rally underway | rally ended | decision pending",
                        "why_it_matters": "Determines which actions and observations can affect the current point."
                    },
                    {
                        "name": "Service and receiving order",
                        "kind": "relation",
                        "unit_or_values": "Current server, current receiver, doubles sequence where applicable, and assigned table ends",
                        "why_it_matters": "Supports detection and correction of order or end-assignment errors."
                    },
                    {
                        "name": "Competitive score",
                        "kind": "state",
                        "unit_or_values": "Points by side, games won by side, match format and result status",
                        "why_it_matters": "Determines service transitions, completion conditions and the next unit of play."
                    },
                    {
                        "name": "Decision certainty",
                        "kind": "state",
                        "unit_or_values": "confirmed | provisional | disputed | unobserved",
                        "why_it_matters": "Prevents incomplete observations of contact, bounce or sequence from becoming unjustified rulings."
                    }
                ],
                "affordances": [
                    "Classify a proposed activity as table tennis or identify the declared variant that changes its treatment.",
                    "Assess whether the playing setup meets the requirements of the intended session or competition.",
                    "Track points, games, service order, receivers and table-end assignments.",
                    "Evaluate observed service and rally events against the applicable rules, flagging uncertain evidence.",
                    "Recommend continuation, replay, correction or referral to an authorised official when supported by the rules and evidence.",
                    "Configure table-tennis practice constraints and record whether the targeted serve, return or rally pattern was achieved."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "table-tennis-identity",
                        "name": "Table-tennis identity",
                        "description": "Establishes which form of table tennis is being modelled and which conventions govern it.",
                        "rationale": "The activity name alone does not settle whether formal match rules, informal conventions or drill constraints apply.",
                        "layers": [
                            {
                                "id": "format-and-intent",
                                "name": "Format and intent",
                                "description": "Identifies the participant arrangement and whether play is competitive or instructional.",
                                "findings": [
                                    {
                                        "id": "declared-form-of-play",
                                        "name": "Declared form of play",
                                        "description": "Record singles, doubles or another explicitly described format, together with match or practice intent.",
                                        "questions": [
                                            {
                                                "text": "Is this singles, doubles, an adapted format or a practice activity with a specified participant arrangement?",
                                                "kind": "definition",
                                                "id": "declared-form-of-play-q01"
                                            },
                                            {
                                                "text": "Which departures from ordinary table-tennis play define this session, such as multiball feeding or cooperative rallying?",
                                                "kind": "boundary",
                                                "id": "declared-form-of-play-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "rules-and-variants",
                                "name": "Rules and variants",
                                "description": "Connects the activity to a traceable ruleset and explicit modifications.",
                                "findings": [
                                    {
                                        "id": "governing-play-conventions",
                                        "name": "Governing play conventions",
                                        "description": "Record the authority and version of the rules used, separating adopted requirements from local agreements.",
                                        "questions": [
                                            {
                                                "text": "Which rules document, edition or recorded agreement governs service, scoring and equipment eligibility?",
                                                "kind": "provenance",
                                                "id": "governing-play-conventions-q01"
                                            },
                                            {
                                                "text": "Do modifications to the ball, racket, bounce conventions or scoring warrant treating this as a named variant?",
                                                "kind": "boundary",
                                                "id": "governing-play-conventions-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "playing-setup",
                        "name": "Playing setup",
                        "description": "Describes the table-tennis apparatus and the immediate conditions affecting play.",
                        "rationale": "Recognition of a table-tennis setup is distinct from judging whether its surface, equipment and space support the intended activity.",
                        "layers": [
                            {
                                "id": "table-net-and-space",
                                "name": "Table, net and space",
                                "description": "Captures measurable geometry and observable conditions of the playing area.",
                                "findings": [
                                    {
                                        "id": "surface-and-net-readiness",
                                        "name": "Surface and net readiness",
                                        "description": "Record table and net configuration, visible defects and movement clearance relevant to the declared format.",
                                        "questions": [
                                            {
                                                "text": "What are the table dimensions, table height and net height, and how were they measured?",
                                                "kind": "measurement",
                                                "id": "surface-and-net-readiness-q01"
                                            },
                                            {
                                                "text": "Do surface condition, net installation, lighting or surrounding obstructions require adjustment before this session can begin?",
                                                "kind": "action",
                                                "id": "surface-and-net-readiness-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "ball-and-rackets",
                                "name": "Ball and rackets",
                                "description": "Records the equipment characteristics needed to establish suitability and eligibility.",
                                "findings": [
                                    {
                                        "id": "equipment-acceptance",
                                        "name": "Equipment acceptance",
                                        "description": "Record the ball and racket characteristics required by the selected rules, together with inspection outcomes.",
                                        "questions": [
                                            {
                                                "text": "Which ball and racket characteristics must be checked for this format, including racket coverings where relevant?",
                                                "kind": "definition",
                                                "id": "equipment-acceptance-q01"
                                            },
                                            {
                                                "text": "What inspection, marking or approval evidence supports acceptance of the ball and each racket?",
                                                "kind": "provenance",
                                                "id": "equipment-acceptance-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "service-and-rally",
                        "name": "Service and rally",
                        "description": "Represents the event sequence needed to judge how a point starts, proceeds and ends.",
                        "rationale": "Table-tennis decisions depend on the order and location of contacts and bounces, including distinctions between service and later returns.",
                        "layers": [
                            {
                                "id": "service-execution",
                                "name": "Service execution",
                                "description": "Captures the observable elements and outcome of the serve.",
                                "findings": [
                                    {
                                        "id": "serve-evidence",
                                        "name": "Serve evidence",
                                        "description": "Record the release, ball presentation, strike, bounce sequence and relevant net contact without treating missing observations as faults.",
                                        "questions": [
                                            {
                                                "text": "Which required elements of the ball release, visibility, strike position and table-bounce sequence were actually observed?",
                                                "kind": "measurement",
                                                "id": "serve-evidence-q01"
                                            },
                                            {
                                                "text": "Given those observations and the applicable rules, should play continue, the service be replayed, or a ruling be requested?",
                                                "kind": "action",
                                                "id": "serve-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "returns-and-point-ending",
                                "name": "Returns and point ending",
                                "description": "Tracks return sequence and events that may terminate the rally.",
                                "findings": [
                                    {
                                        "id": "rally-contact-sequence",
                                        "name": "Rally contact sequence",
                                        "description": "Record who struck the ball, its subsequent contacts and bounces, and any event requiring a ruling.",
                                        "questions": [
                                            {
                                                "text": "What sequence of racket contacts, net contacts, table bounces and missed returns is supported by the observation?",
                                                "kind": "measurement",
                                                "id": "rally-contact-sequence-q01"
                                            },
                                            {
                                                "text": "Does the evidence establish a point-ending event, or is a contact such as table edge versus table side unresolved?",
                                                "kind": "boundary",
                                                "id": "rally-contact-sequence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "score-and-playing-order",
                        "name": "Score and playing order",
                        "description": "Connects rally outcomes to competitive progression and player obligations.",
                        "rationale": "A correct point result is insufficient if service, doubles order or end changes are then assigned incorrectly.",
                        "layers": [
                            {
                                "id": "game-and-match-progression",
                                "name": "Game and match progression",
                                "description": "Records the score and applies the declared game and match completion conditions.",
                                "findings": [
                                    {
                                        "id": "score-transition",
                                        "name": "Score transition",
                                        "description": "Maintain confirmed and provisional scores, including the target, winning margin and games needed to win.",
                                        "questions": [
                                            {
                                                "text": "What are the current points and games won, and which recorded rally decisions produced them?",
                                                "kind": "provenance",
                                                "id": "score-transition-q01"
                                            },
                                            {
                                                "text": "Under the declared scoring format, does the latest confirmed point continue the game, end the game or complete the match?",
                                                "kind": "action",
                                                "id": "score-transition-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "service-receiving-and-ends",
                                "name": "Service, receiving and ends",
                                "description": "Tracks the changing assignment of servers, receivers, doubles turns and table ends.",
                                "findings": [
                                    {
                                        "id": "next-player-obligations",
                                        "name": "Next player obligations",
                                        "description": "Record the initial choices and subsequent transitions needed to determine who serves, receives and strikes next.",
                                        "questions": [
                                            {
                                                "text": "Who must serve and receive next, and what doubles striking sequence follows from the established order?",
                                                "kind": "action",
                                                "id": "next-player-obligations-q01"
                                            },
                                            {
                                                "text": "Does the current score or game transition require a service change, receiving-order change or change of ends?",
                                                "kind": "action",
                                                "id": "next-player-obligations-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "interruption-and-resumption",
                        "name": "Interruption and resumption",
                        "description": "Handles stopped play, uncertain decisions and the conditions needed to resume coherently.",
                        "rationale": "Table-tennis play can stop without awarding a point, and resumption must preserve the appropriate score, order and decision authority.",
                        "layers": [
                            {
                                "id": "stoppage-classification",
                                "name": "Stoppage classification",
                                "description": "Separates replay situations, authorised breaks and other interruptions.",
                                "findings": [
                                    {
                                        "id": "reason-for-stopped-play",
                                        "name": "Reason for stopped play",
                                        "description": "Record the trigger, rally phase and ruling for a stoppage, including whether the point remains unresolved.",
                                        "questions": [
                                            {
                                                "text": "Was play stopped because of a service-related replay decision, outside interference, a requested break, equipment trouble or another recorded cause?",
                                                "kind": "definition",
                                                "id": "reason-for-stopped-play-q01"
                                            },
                                            {
                                                "text": "What must happen before resumption, and should the score and service assignment be retained or corrected?",
                                                "kind": "action",
                                                "id": "reason-for-stopped-play-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "ruling-and-correction",
                                "name": "Ruling and correction",
                                "description": "Preserves evidence and authority when a rally outcome or playing order is contested.",
                                "findings": [
                                    {
                                        "id": "decision-authority-and-recovery",
                                        "name": "Decision authority and recovery",
                                        "description": "Record the disputed observation, responsible decision-maker and authorised correction while retaining the decision history.",
                                        "questions": [
                                            {
                                                "text": "Who has authority to resolve the disputed bounce, service legality, score or order in this session?",
                                                "kind": "provenance",
                                                "id": "decision-authority-and-recovery-q01"
                                            },
                                            {
                                                "text": "Which correction or review procedure applies, and what confirmed state should be used when play resumes?",
                                                "kind": "action",
                                                "id": "decision-authority-and-recovery-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "singles",
                                            "doubles",
                                            "mixed doubles",
                                            "para table tennis",
                                            "hardbat table tennis",
                                            "recreational ping-pong"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of table tennis this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does an existing Vercy world model already cover table tennis, requiring this registry entry to link to it instead of receiving a separate publication?",
                "Which authoritative rules editions should ground the first researched version, and how should recreational modifications be represented?",
                "Which adapted table-tennis provisions belong within this model, and which require references to separate accessibility or competition models?",
                "What minimum observation quality is needed to judge service visibility, ball release and table-edge contacts, and when must the agent leave the ruling unresolved?",
                "Should specialised competition procedures such as the expedite system be included in the initial model or introduced through a rules-dependent extension?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 11,
                "questions": 21
            }
        },
        "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 table tennis, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a table-tennis activity, assess its playing conditions and competitive state, and determine valid next actions under the applicable rules.",
            "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: men's table tennis, para table tennis, women's table tennis, Ping-pong, large ball table tennis, Nigerian Open.",
                "6 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 118 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 table tennis, 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": [
                        "men's table tennis",
                        "para table tennis",
                        "women's table tennis",
                        "Ping-pong",
                        "large ball table tennis",
                        "Nigerian Open"
                    ]
                }
            ],
            "standing": "Described in 118 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 6 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 table tennis from another, and a table tennis 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 table tennis, 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 table tennis, 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 table tennis 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 table tennis, 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 table tennis, 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 table tennis 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 table tennis 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 table tennis, 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 table tennis, 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 table tennis 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 table tennis from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a table tennis, 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 table tennis, 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 table tennis 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 table tennis 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 table tennis between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a table tennis, 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 table tennis, 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 table tennis 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 table tennis, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a table tennis 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 table tennis, 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 table tennis, 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 table tennis 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 table tennis 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 table tennis, 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 table tennis and what marks it done.",
                                        "questions": [
                                            {
                                                "id": "steps-and-preconditions-q01",
                                                "text": "What identifies and describes a step of a table tennis, 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 table tennis, 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 table tennis 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 table tennis consumes and what it produces.",
                                "findings": [
                                    {
                                        "id": "inputs-and-outputs",
                                        "name": "Inputs, outputs and side effects",
                                        "description": "The resources a table tennis 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 table tennis, 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 table tennis, 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 table tennis 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 table tennis 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 table tennis 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 table tennis 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 table tennis 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 table tennis?",
                                                "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 table tennis?",
                                                "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 table tennis 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 table tennis and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a table tennis, 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 table tennis, 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 table tennis 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 table tennis is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a table tennis, 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 table tennis, 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 table tennis 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
            }
        }
    }
}