{
    "model": {
        "rank": 3993,
        "code": "thing-q131471",
        "model_id": "vr.tr.darts",
        "name": "darts",
        "purpose": "Enable an AI agent to recognise darts as a target sport, assess a playing session and its recorded state, and determine valid next actions under the selected rules.",
        "family": "Thing Registry",
        "category": "Activities and processes",
        "status": "research-draft",
        "kind": "thing",
        "plane": "ACT",
        "domain": "ACT.ACT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q131471/",
        "tier": 2,
        "score": 79,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "darts variant",
                "lawn darts"
            ],
            "aliasCount": 2,
            "merged": 2,
            "knownIn": 79,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q131471",
                "url": "https://www.wikidata.org/wiki/Q131471",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T19:14:44Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 22.2,
                        "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: 01a08797-0b81-7012-a960-c02e9255b6f2\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: darts\nSense to describe: (none recorded)\nDomain code: ACT.ACT\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: 1001 registered",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 66.3,
                        "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: 01a08797-0b76-7162-8cb6-8e83fb9436f0\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: darts\nRegistry id: vr.tr.darts\nPlane / domain: ACT / ACT.ACT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext for "
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q131471",
                "registryId": "vr.tr.darts",
                "name": "darts",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "ACT.ACT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q131471/",
            "model": {
                "registry_id": "vr.tr.darts",
                "name": "darts",
                "purpose": "Enable an AI agent to recognise darts as a target sport, assess a playing session and its recorded state, and determine valid next actions under the selected rules.",
                "definition": "Darts is a target sport in which players throw small pointed projectiles by hand at a fixed board divided into scoring regions, with outcomes determined by the scoring and finishing rules of the game played.",
                "scope_statement": "This model owns darts as a playing activity in ACT.ACT: players throw darts at a scoring board under an identified game variant, with equipment, setup, turns, scoring and outcomes recorded as conditions of play.",
                "in_scope": [
                    "Identification of the darts variant and governing rules",
                    "Board, darts, throwing position and suitability of the playing area",
                    "Players, sides, throwing order and session format",
                    "Throws, visits, scoring decisions and progression toward the game objective",
                    "Practice objectives, performance assessment and interruptions to play"
                ],
                "out_of_scope": [
                    "Manufacture and material engineering of darts and dartboards",
                    "Projectile weapons and dart-based hunting activities",
                    "General athlete health records and medical treatment",
                    "Administration and finances of darts organisations or venues",
                    "Betting markets and gambling transactions",
                    "Other target sports such as archery and axe throwing"
                ],
                "distinguishing_features": [
                    "The entry denotes the activity of playing darts; an individual dart or dartboard is supporting equipment rather than an instance of the activity.",
                    "Players throw darts by hand toward a board whose identified regions determine scoring or progress under the chosen rules.",
                    "A recorded session identifies a darts variant; a target hit alone does not establish whether the player advanced, won or invalidated a visit.",
                    "Throws occur from a designated throwing position, making release location relevant to whether an attempt is accepted.",
                    "The model accommodates steel-tip and soft-tip forms through explicit equipment and rules choices rather than treating one setup as universal."
                ],
                "characteristics": [
                    {
                        "name": "Game variant",
                        "kind": "category",
                        "unit_or_values": "Named variant and local modifications, such as 501 or Cricket",
                        "why_it_matters": "Determines what a hit means and how play reaches an outcome."
                    },
                    {
                        "name": "Rules authority",
                        "kind": "relation",
                        "unit_or_values": "Applicable rule document, version and any agreed house rules",
                        "why_it_matters": "Makes scoring and validity decisions traceable."
                    },
                    {
                        "name": "Board and tip configuration",
                        "kind": "category",
                        "unit_or_values": "Steel-tip, soft-tip or explicitly described alternative; compatible board type",
                        "why_it_matters": "Affects hit detection, equipment suitability and handling procedures."
                    },
                    {
                        "name": "Playing geometry",
                        "kind": "measurement",
                        "unit_or_values": "Board reference height and throwing distance in millimetres, with measurement endpoints",
                        "why_it_matters": "Allows the setup to be assessed against the selected rules without assuming a universal distance."
                    },
                    {
                        "name": "Participant arrangement",
                        "kind": "relation",
                        "unit_or_values": "Players assigned to sides, with throwing order",
                        "why_it_matters": "Identifies who may throw next and whose state changes."
                    },
                    {
                        "name": "Current game state",
                        "kind": "state",
                        "unit_or_values": "Variant-specific remaining scores, target marks, active player and throws used in the current visit",
                        "why_it_matters": "Supports valid continuation and reconstruction of play."
                    },
                    {
                        "name": "Match format",
                        "kind": "category",
                        "unit_or_values": "Practice or competition; specified leg, set or other completion structure",
                        "why_it_matters": "Separates winning a unit of play from completing the whole session."
                    },
                    {
                        "name": "Throw outcome",
                        "kind": "state",
                        "unit_or_values": "Observed board region or miss, validity decision, credited result and evidence status",
                        "why_it_matters": "Separates physical observation from the score the rules permit."
                    },
                    {
                        "name": "Performance measure",
                        "kind": "measurement",
                        "unit_or_values": "Named metric with formula, denominator and context, such as target-hit percentage",
                        "why_it_matters": "Prevents comparisons between incompatible scoring formats or metric definitions."
                    }
                ],
                "affordances": [
                    "Identify the game variant and request missing rules before adjudicating play.",
                    "Check board, throwing position and equipment against the selected setup requirements.",
                    "Record and reconcile throws, visits and variant-specific score changes.",
                    "Determine the next player, available objectives and completion conditions.",
                    "Suggest target choices or practice exercises from the current state and stated goal.",
                    "Pause play for an occupied throwing lane, disputed result or equipment problem and record the conditions for resumption."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "darts-variant-and-rules",
                        "name": "Darts variant and rules",
                        "description": "Establishes which form of darts is being played and what governs its decisions.",
                        "rationale": "Darts includes games with different objectives, so board values alone cannot determine valid play.",
                        "layers": [
                            {
                                "id": "activity-and-variant",
                                "name": "Activity and variant",
                                "description": "Identifies the activity sense and selected game.",
                                "findings": [
                                    {
                                        "id": "variant-identity",
                                        "name": "Variant identity",
                                        "description": "Record the named darts game, whether the session is practice or competition, and any modifications to its objective.",
                                        "questions": [
                                            {
                                                "text": "Which darts variant is being played, and what constitutes progress toward its objective?",
                                                "kind": "definition",
                                                "id": "variant-identity-q01"
                                            },
                                            {
                                                "text": "Is this a scored game, a target drill or an equipment-only reference outside this activity model?",
                                                "kind": "boundary",
                                                "id": "variant-identity-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "governing-rule-selection",
                                "name": "Governing rule selection",
                                "description": "Makes the authority for setup and scoring decisions explicit.",
                                "findings": [
                                    {
                                        "id": "applicable-rules",
                                        "name": "Applicable rules",
                                        "description": "Record the rules source, version, house-rule changes and the agreed method for resolving conflicts between them.",
                                        "questions": [
                                            {
                                                "text": "Which rule document or explicit participant agreement governs this session?",
                                                "kind": "provenance",
                                                "id": "applicable-rules-q01"
                                            },
                                            {
                                                "text": "Which local modifications affect starting, scoring, finishing or the validity of throws?",
                                                "kind": "definition",
                                                "id": "applicable-rules-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "board-and-throwing-setup",
                        "name": "Board and throwing setup",
                        "description": "Describes the target, compatible darts and spatial conditions required for this session.",
                        "rationale": "A wrong board configuration, measurement reference or obstructed lane can undermine otherwise accurate scoring.",
                        "layers": [
                            {
                                "id": "target-and-dart-compatibility",
                                "name": "Target and dart compatibility",
                                "description": "Connects the physical target to the equipment and scoring interpretation.",
                                "findings": [
                                    {
                                        "id": "board-region-map",
                                        "name": "Board region map",
                                        "description": "Record board type, orientation, scoring regions and compatible dart tips, including how region hits are detected.",
                                        "questions": [
                                            {
                                                "text": "Which board regions, multipliers and bull values does this game recognise?",
                                                "kind": "definition",
                                                "id": "board-region-map-q01"
                                            },
                                            {
                                                "text": "Are the dart tips compatible with the board, and is its orientation or electronic configuration correct for the selected rules?",
                                                "kind": "action",
                                                "id": "board-region-map-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "throwing-position-and-lane",
                                "name": "Throwing position and lane",
                                "description": "Records the geometry and immediate conditions of the throwing area.",
                                "findings": [
                                    {
                                        "id": "playable-throwing-area",
                                        "name": "Playable throwing area",
                                        "description": "Record the throwing line or oche, board reference height, distance measurement method and whether the lane is clear for throwing or retrieval.",
                                        "questions": [
                                            {
                                                "text": "What are the measured board height and throwing distance, and which physical endpoints were used?",
                                                "kind": "measurement",
                                                "id": "playable-throwing-area-q01"
                                            },
                                            {
                                                "text": "Is the lane clear, the board secure and the throwing position usable before the next throw is permitted?",
                                                "kind": "action",
                                                "id": "playable-throwing-area-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "throws-and-scoring",
                        "name": "Throws and scoring",
                        "description": "Transforms observed dart outcomes into accepted changes in game state.",
                        "rationale": "An observed hit, a machine-reported value and a legally credited result may require separate records.",
                        "layers": [
                            {
                                "id": "throw-observation",
                                "name": "Throw observation",
                                "description": "Captures each attempt before applying game-specific consequences.",
                                "findings": [
                                    {
                                        "id": "observed-and-accepted-hit",
                                        "name": "Observed and accepted hit",
                                        "description": "Record throw order, observed region or miss, detection source and any disputed, bounced-out or otherwise exceptional outcome.",
                                        "questions": [
                                            {
                                                "text": "Where did the dart register, and was the observation supplied by a scorer, player, sensor or reviewed recording?",
                                                "kind": "provenance",
                                                "id": "observed-and-accepted-hit-q01"
                                            },
                                            {
                                                "text": "Under the selected rules, does a bounce-out, fallen dart or disputed electronic registration receive credit?",
                                                "kind": "action",
                                                "id": "observed-and-accepted-hit-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "visit-state-transition",
                                "name": "Visit state transition",
                                "description": "Applies accepted throws to the selected game's score or target state.",
                                "findings": [
                                    {
                                        "id": "variant-specific-score-update",
                                        "name": "Variant-specific score update",
                                        "description": "Record the state before and after a visit, including applicable entry, finishing, bust or target-closing conditions.",
                                        "questions": [
                                            {
                                                "text": "How do the accepted throws change remaining points or target marks in this variant?",
                                                "kind": "measurement",
                                                "id": "variant-specific-score-update-q01"
                                            },
                                            {
                                                "text": "Does the visit continue, end, revert under a bust rule or complete the current game?",
                                                "kind": "action",
                                                "id": "variant-specific-score-update-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "turns-and-match-progression",
                        "name": "Turns and match progression",
                        "description": "Maintains participant order, units of play and confirmed outcomes.",
                        "rationale": "Correct dart scores do not establish whose turn follows or whether a leg, set or match has ended.",
                        "layers": [
                            {
                                "id": "player-and-side-order",
                                "name": "Player and side order",
                                "description": "Assigns throws to the right participant within the agreed format.",
                                "findings": [
                                    {
                                        "id": "active-thrower",
                                        "name": "Active thrower",
                                        "description": "Record sides, starting-player selection, player rotation and the number of throws available in a visit.",
                                        "questions": [
                                            {
                                                "text": "How was the starting player or side selected, and what rotation applies within and between legs?",
                                                "kind": "provenance",
                                                "id": "active-thrower-q01"
                                            },
                                            {
                                                "text": "Who may throw next, and how many throws remain in that player's current visit?",
                                                "kind": "action",
                                                "id": "active-thrower-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "completion-and-resumption",
                                "name": "Completion and resumption",
                                "description": "Distinguishes provisional results, confirmed outcomes and interrupted play.",
                                "findings": [
                                    {
                                        "id": "confirmed-play-state",
                                        "name": "Confirmed play state",
                                        "description": "Record leg and set results where used, match completion conditions, unresolved disputes and the last agreed state for resumption.",
                                        "questions": [
                                            {
                                                "text": "Which confirmed results satisfy the session's leg, set or match completion condition?",
                                                "kind": "definition",
                                                "id": "confirmed-play-state-q01"
                                            },
                                            {
                                                "text": "If play is interrupted or a score is challenged, what state is agreed and who can authorise correction or resumption?",
                                                "kind": "action",
                                                "id": "confirmed-play-state-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "target-choice-and-practice",
                        "name": "Target choice and practice",
                        "description": "Connects intended targets, observed accuracy and game objectives to useful feedback.",
                        "rationale": "High scoring, successful finishing and precise target practice require different assessments and recommendations.",
                        "layers": [
                            {
                                "id": "situational-target-choice",
                                "name": "Situational target choice",
                                "description": "Evaluates possible targets against current game state and player aims.",
                                "findings": [
                                    {
                                        "id": "intended-target-and-route",
                                        "name": "Intended target and route",
                                        "description": "Record the intended target and proposed sequence of targets, distinguishing rule-valid routes from choices based on estimated player accuracy.",
                                        "questions": [
                                            {
                                                "text": "Which target or finishing route is valid given the current state, throws remaining and applicable finishing rules?",
                                                "kind": "action",
                                                "id": "intended-target-and-route-q01"
                                            },
                                            {
                                                "text": "What recorded accuracy or stated preference supports recommending this route to this player?",
                                                "kind": "provenance",
                                                "id": "intended-target-and-route-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "practice-and-performance-evidence",
                                "name": "Practice and performance evidence",
                                "description": "Makes performance feedback interpretable across drills and games.",
                                "findings": [
                                    {
                                        "id": "goal-specific-performance",
                                        "name": "Goal-specific performance",
                                        "description": "Record drill objectives and metric definitions alongside the attempts counted, distinguishing intended-target accuracy from points credited.",
                                        "questions": [
                                            {
                                                "text": "What metric measures the stated practice goal, and which throws or opportunities form its denominator?",
                                                "kind": "measurement",
                                                "id": "goal-specific-performance-q01"
                                            },
                                            {
                                                "text": "Which next drill is supported by the player's observed misses or finishing difficulties?",
                                                "kind": "action",
                                                "id": "goal-specific-performance-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "The ACT.ACT domain supports interpreting this entry as the sport rather than its projectiles.",
                                            "The kinds list mixes equipment variants with distinct games; these are separate classification dimensions.",
                                            "Dimensions refer to standard steel-tip play; soft-tip specifications, regional boards and competition-specific rules require separate checking. Rule documents are named from recall and were not consulted."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of darts 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": [
                                            "Steel-tip darts",
                                            "Soft-tip darts",
                                            "501",
                                            "301",
                                            "Cricket",
                                            "Around the clock"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of darts this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-standards-and-regulation",
                                        "name": "Standards and regulation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Darts Regulation Authority rules govern play and conduct in competitions under its jurisdiction.",
                                            "World Darts Federation playing and tournament rules govern WDF competitions."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of darts 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": [
                                            "Professional individual and team competition",
                                            "Amateur club and pub leagues",
                                            "Recreational target games",
                                            "Practice of aiming, throwing consistency and score calculation"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of darts 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": "Board height measured to the centre of the bull",
                                                "typical_range": "1.73 for standard steel-tip play",
                                                "unit": "m above the floor"
                                            },
                                            {
                                                "quantity": "Horizontal throwing distance from the board face to the throwing line",
                                                "typical_range": "2.37 for standard steel-tip play",
                                                "unit": "m"
                                            },
                                            {
                                                "quantity": "Darts permitted in a normal turn",
                                                "typical_range": "Up to 3",
                                                "unit": "darts"
                                            },
                                            {
                                                "quantity": "Score from one dart on a standard numbered board",
                                                "typical_range": "0-60",
                                                "unit": "points"
                                            },
                                            {
                                                "quantity": "Maximum score in a three-dart turn on a standard numbered board",
                                                "typical_range": "180",
                                                "unit": "points"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of darts 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": [
                                            "Pointed darts can cause puncture wounds or eye injuries when thrown or handled unsafely.",
                                            "Misses and bounce-outs can endanger people near the board or damage surroundings.",
                                            "Incorrect scoring or finishing calculations can invalidate an attempted checkout.",
                                            "Incorrect board height or throwing distance makes play inconsistent with the intended rules.",
                                            "Loose board mounting, damaged darts or faulty electronic scoring can disrupt play."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of darts this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "British pub traditions include regional boards such as the Yorkshire and Manchester log-end boards, which differ from the standard board.",
                                            "Soft-tip electronic darts has a substantial organised presence in Japan and other parts of East Asia.",
                                            "Cricket is particularly associated with North American recreational and league darts."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of darts 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": "dart",
                                                "difference": "A dart is the projectile; darts here denotes the sport and its games."
                                            },
                                            {
                                                "name": "dartboard",
                                                "difference": "The dartboard is the target equipment rather than the activity."
                                            },
                                            {
                                                "name": "lawn darts",
                                                "difference": "Lawn darts uses larger projectiles thrown toward ground targets rather than a wall-mounted scoring board."
                                            },
                                            {
                                                "name": "archery",
                                                "difference": "Archery launches arrows with a bow; darts propels its projectiles directly by hand."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of darts this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the source registry intend darts to cover all board-based darts games, or a narrower competitive form?",
                "Which authoritative rules and versions should establish the baseline for steel-tip and soft-tip configurations?",
                "Which variants require distinct state representations beyond remaining points and target marks?",
                "How do the selected governing rules handle electronic misregistration, bounce-outs, score corrections and disputes?",
                "Which performance metrics have sufficiently consistent definitions for comparison across the intended playing formats?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 18,
                "questions": 28
            }
        },
        "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 darts, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise darts as a target sport, assess a playing session and its recorded state, and determine valid next actions under the selected 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: darts variant, lawn darts.",
                "2 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 79 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 darts, 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": [
                        "darts variant",
                        "lawn darts"
                    ]
                }
            ],
            "standing": "Described in 79 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 2 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 darts from another, and a darts 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 darts, 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 darts, 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 darts 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 darts, 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 darts, 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 darts 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 darts 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 darts, 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 darts, 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 darts 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 darts from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a darts, 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 darts, 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 darts 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 darts 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 darts between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a darts, 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 darts, 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 darts 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 darts, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a darts 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 darts, 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 darts, 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 darts 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 darts 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 darts, 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 darts and what marks it done.",
                                        "questions": [
                                            {
                                                "id": "steps-and-preconditions-q01",
                                                "text": "What identifies and describes a step of a darts, 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 darts, 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 darts 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 darts consumes and what it produces.",
                                "findings": [
                                    {
                                        "id": "inputs-and-outputs",
                                        "name": "Inputs, outputs and side effects",
                                        "description": "The resources a darts 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 darts, 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 darts, 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 darts 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 darts 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 darts 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 darts 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 darts 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 darts?",
                                                "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 darts?",
                                                "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 darts 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 darts and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a darts, 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 darts, 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 darts 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 darts is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a darts, 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 darts, 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 darts 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
            }
        }
    }
}