{
    "model": {
        "rank": 5557,
        "code": "thing-q186982",
        "model_id": "vr.tr.extra-period",
        "name": "extra period",
        "purpose": "Enable an agent to recognise, track and reason about an extra period provisionally understood as an additional phase of a sporting contest beyond its scheduled regulation play.",
        "family": "Thing Registry",
        "category": "Activities and processes",
        "status": "research-draft",
        "kind": "thing",
        "plane": "ACT",
        "domain": "ACT.ACT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q186982/",
        "tier": 2,
        "score": 66,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "golden set",
                "extra inning",
                "Golden score",
                "Playoff"
            ],
            "aliasCount": 4,
            "merged": 4,
            "knownIn": 66,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q186982",
                "url": "https://www.wikidata.org/wiki/Q186982",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T22:38:35Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 17,
                        "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: 01a08851-ea16-7770-a11c-5b299b1415fe\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: extra period\nSense to describe: (none recorded)\nDomain code: ACT.ACT\nAlso known as: (none)\n\n\nContext for this batch of 188 things:\n# Batch 006: 1001 reg",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 51.2,
                        "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: 01a08851-ea0e-7821-ba32-100e3f40c9cd\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: extra period\nRegistry id: vr.tr.extra-period\nPlane / domain: ACT / ACT.ACT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q186982",
                "registryId": "vr.tr.extra-period",
                "name": "extra period",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "ACT.ACT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q186982/",
            "model": {
                "registry_id": "vr.tr.extra-period",
                "name": "extra period",
                "purpose": "Enable an agent to recognise, track and reason about an extra period provisionally understood as an additional phase of a sporting contest beyond its scheduled regulation play.",
                "definition": "In sport, an extra period is an additional interval of play beyond regulation time, used under the competition's rules to help determine a winner when the score is tied.",
                "scope_statement": "This model owns the identity, activation, temporal extent, participation, progression and outcome contribution of an extra period within a parent contest; the sporting interpretation remains provisional because the registry supplies no definition.",
                "in_scope": [
                    "The extra period's relationship to regulation play and the parent contest",
                    "The rule-dependent condition that authorises an extra period",
                    "Period sequence, timing, clock behaviour and termination",
                    "Participant eligibility and state carried forward from preceding play",
                    "Scoring, completion and the decision to end or continue the contest"
                ],
                "out_of_scope": [
                    "The full lifecycle and organisation of the parent contest",
                    "Regulation periods and routine intervals between them",
                    "Compensation for time lost during a regulation period",
                    "Standalone shootouts or other separate tie-breaking procedures",
                    "Employment overtime and extensions to administrative deadlines"
                ],
                "distinguishing_features": [
                    "It is identified as a distinct additional phase by the applicable contest rules, rather than inferred solely because play runs beyond an expected finishing time.",
                    "Its activation follows a specified condition in the parent contest; a tied score alone does not establish that an extra period is required.",
                    "Its boundary is distinguishable from time added to compensate for interruptions within a regulation period.",
                    "Its duration and ending condition must be recorded separately: elapsed time alone may not determine completion.",
                    "It is distinguishable from a separate tie-breaking procedure even when both occur after regulation."
                ],
                "characteristics": [
                    {
                        "name": "Parent contest",
                        "kind": "relation",
                        "unit_or_values": "Reference to the contest containing this extra period",
                        "why_it_matters": "An extra period inherits its competitive purpose and relevant preceding state from a specific contest."
                    },
                    {
                        "name": "Applicable rule context",
                        "kind": "relation",
                        "unit_or_values": "Sport, competition, stage and effective rules edition",
                        "why_it_matters": "The same period label can imply different activation, timing and termination rules."
                    },
                    {
                        "name": "Activation condition",
                        "kind": "category",
                        "unit_or_values": "Source-defined condition; unresolved if not established",
                        "why_it_matters": "Determines whether entering the extra period is authorised."
                    },
                    {
                        "name": "Period ordinal",
                        "kind": "measurement",
                        "unit_or_values": "Positive integer within the extra-period sequence",
                        "why_it_matters": "Distinguishes repeated extra periods and identifies sequence-dependent rules."
                    },
                    {
                        "name": "Lifecycle state",
                        "kind": "state",
                        "unit_or_values": "Conditional, authorised, underway, suspended, completed, abandoned",
                        "why_it_matters": "Separates a possible extra period from one that has actually begun or finished."
                    },
                    {
                        "name": "Timing specification",
                        "kind": "category",
                        "unit_or_values": "Source-defined timed or untimed structure, clock basis and stopping rules",
                        "why_it_matters": "Prevents wall-clock duration from being confused with official playing time."
                    },
                    {
                        "name": "Official playing time",
                        "kind": "measurement",
                        "unit_or_values": "Elapsed or remaining seconds or minutes, with clock direction and applicability recorded",
                        "why_it_matters": "Supports progression tracking without assuming that every extra period uses a countdown clock."
                    },
                    {
                        "name": "Termination condition",
                        "kind": "category",
                        "unit_or_values": "Source-defined time, scoring, completion or combined condition",
                        "why_it_matters": "Determines when play must stop and whether further contest procedures are required."
                    },
                    {
                        "name": "Carried contest state",
                        "kind": "relation",
                        "unit_or_values": "Referenced score, eligibility, sanctions, possession and resource state at entry, as applicable",
                        "why_it_matters": "Establishes what persists or resets when the additional phase begins."
                    }
                ],
                "affordances": [
                    "Determine whether the recorded contest state satisfies the sourced condition for an extra period.",
                    "Identify the next extra period and the state that must carry into it.",
                    "Track official progression while distinguishing playing time from interruptions.",
                    "Check whether proposed participation or restart actions comply with the applicable extra-period rules.",
                    "Evaluate whether the period has ended and identify the authorised next contest phase.",
                    "Flag unresolved rule interpretations or conflicting official records before treating an outcome as settled."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "extra-period-identity",
                        "name": "Extra-period identity",
                        "description": "Establishes what counts as an extra period and which contest and rule context give it that identity.",
                        "rationale": "The label alone cannot distinguish a separate additional phase from added time or another tie-breaking mechanism.",
                        "layers": [
                            {
                                "id": "phase-boundary",
                                "name": "Phase boundary",
                                "description": "Separates the extra period from adjacent phases and similarly named extensions.",
                                "findings": [
                                    {
                                        "id": "distinct-additional-phase",
                                        "name": "Distinct additional phase",
                                        "description": "Record the authority for treating this segment as a distinct extra period; this is a research requirement, not an established registry definition.",
                                        "questions": [
                                            {
                                                "text": "What does the relevant authority call an extra period, and how does it distinguish that phase from regulation?",
                                                "kind": "definition",
                                                "id": "distinct-additional-phase-q01"
                                            },
                                            {
                                                "text": "Does the recorded segment represent a separate period, compensation for lost time, or a different tie-breaking procedure?",
                                                "kind": "boundary",
                                                "id": "distinct-additional-phase-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "contest-rule-context",
                                "name": "Contest rule context",
                                "description": "Locates the period within the contest and the rules applicable to that contest.",
                                "findings": [
                                    {
                                        "id": "governing-rule-selection",
                                        "name": "Governing rule selection",
                                        "description": "Identify the competition, stage and effective rules edition that determine how this extra period operates.",
                                        "questions": [
                                            {
                                                "text": "Which parent contest and competition stage contain this extra period?",
                                                "kind": "boundary",
                                                "id": "governing-rule-selection-q01"
                                            },
                                            {
                                                "text": "Which rule edition or authorised competition variation governs its use?",
                                                "kind": "provenance",
                                                "id": "governing-rule-selection-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "activation-and-entry",
                        "name": "Activation and entry",
                        "description": "Captures why an extra period becomes necessary and the state from which it starts.",
                        "rationale": "An agent must establish permission to proceed and cannot assume that every unresolved regulation result triggers extra play.",
                        "layers": [
                            {
                                "id": "activation-decision",
                                "name": "Activation decision",
                                "description": "Evaluates the contest condition and authority needed to initiate extra play.",
                                "findings": [
                                    {
                                        "id": "extra-play-trigger",
                                        "name": "Extra-play trigger",
                                        "description": "Record the sourced activation predicate, its observed inputs and any required official decision.",
                                        "questions": [
                                            {
                                                "text": "What result or contest condition requires or permits this extra period?",
                                                "kind": "definition",
                                                "id": "extra-play-trigger-q01"
                                            },
                                            {
                                                "text": "Who confirms that the trigger is satisfied, and what record supports that confirmation?",
                                                "kind": "provenance",
                                                "id": "extra-play-trigger-q02"
                                            },
                                            {
                                                "text": "May the contest enter this period now, or is a prerequisite still outstanding?",
                                                "kind": "action",
                                                "id": "extra-play-trigger-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "entry-state",
                                "name": "Entry state",
                                "description": "Determines what persists, resets or is selected before the period begins.",
                                "findings": [
                                    {
                                        "id": "carryover-and-restart",
                                        "name": "Carryover and restart",
                                        "description": "Represent the transition from preceding play without assuming universal rules for scores, sanctions, possession or playing direction.",
                                        "questions": [
                                            {
                                                "text": "Which scores, sanctions, participant restrictions and unused resources carry into this period?",
                                                "kind": "boundary",
                                                "id": "carryover-and-restart-q01"
                                            },
                                            {
                                                "text": "What interval, selection procedure or restart action must occur before play begins?",
                                                "kind": "action",
                                                "id": "carryover-and-restart-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "extra-period-play",
                        "name": "Extra-period play",
                        "description": "Represents the temporal and participation conditions under which the additional phase proceeds.",
                        "rationale": "Extra play may change timing or participation conditions, so regulation settings cannot be copied without verification.",
                        "layers": [
                            {
                                "id": "timing-and-interruptions",
                                "name": "Timing and interruptions",
                                "description": "Tracks the period's official temporal extent and handling of interrupted play.",
                                "findings": [
                                    {
                                        "id": "official-progress",
                                        "name": "Official progress",
                                        "description": "Separate official playing progress from wall-clock timestamps and record the applicable interruption rules.",
                                        "questions": [
                                            {
                                                "text": "Is this period timed, and if so what duration, clock direction and clock-stopping rules apply?",
                                                "kind": "measurement",
                                                "id": "official-progress-q01"
                                            },
                                            {
                                                "text": "How are suspension, resumption and any extension within this extra period handled?",
                                                "kind": "action",
                                                "id": "official-progress-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "participation-conditions",
                                "name": "Participation conditions",
                                "description": "Records eligible participants and changes specific to extra play.",
                                "findings": [
                                    {
                                        "id": "extra-period-eligibility",
                                        "name": "Extra-period eligibility",
                                        "description": "Establish the participant configuration and permitted changes for this phase under its governing rules.",
                                        "questions": [
                                            {
                                                "text": "Which participants are eligible at entry, and which preceding exclusions remain effective?",
                                                "kind": "boundary",
                                                "id": "extra-period-eligibility-q01"
                                            },
                                            {
                                                "text": "Do participant numbers, substitutions or timeout allowances change for this extra period?",
                                                "kind": "action",
                                                "id": "extra-period-eligibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "termination-and-disposition",
                        "name": "Termination and disposition",
                        "description": "Determines when the extra period ends and what its completion means for the parent contest.",
                        "rationale": "Ending an extra period and deciding the contest are separate determinations that require explicit rules and evidence.",
                        "layers": [
                            {
                                "id": "period-ending",
                                "name": "Period ending",
                                "description": "Evaluates the condition that closes this particular extra period.",
                                "findings": [
                                    {
                                        "id": "ending-condition-evaluation",
                                        "name": "Ending-condition evaluation",
                                        "description": "Record the applicable ending rule and the evidence that it has or has not been satisfied.",
                                        "questions": [
                                            {
                                                "text": "Does this period end on time expiry, a qualifying score, completion of a play sequence, or a combination of conditions?",
                                                "kind": "definition",
                                                "id": "ending-condition-evaluation-q01"
                                            },
                                            {
                                                "text": "Can a pending play, sanction or review delay confirmation that the period has ended?",
                                                "kind": "boundary",
                                                "id": "ending-condition-evaluation-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "contest-continuation",
                                "name": "Contest continuation",
                                "description": "Connects the extra-period result to the next authorised contest state.",
                                "findings": [
                                    {
                                        "id": "result-and-next-phase",
                                        "name": "Result and next phase",
                                        "description": "Distinguish the period's recorded result from the decision to declare a winner, play another period or invoke another procedure.",
                                        "questions": [
                                            {
                                                "text": "How does this period's score or result contribute to the official contest outcome?",
                                                "kind": "measurement",
                                                "id": "result-and-next-phase-q01"
                                            },
                                            {
                                                "text": "If the contest remains unresolved, is another extra period, a separate tie-breaker or another disposition authorised?",
                                                "kind": "action",
                                                "id": "result-and-next-phase-q02"
                                            },
                                            {
                                                "text": "Which official record establishes the final result and resolves any conflicting accounts?",
                                                "kind": "provenance",
                                                "id": "result-and-next-phase-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "The sporting sense is inferred from the name; no definition or sense was supplied to confirm it.",
                                            "Durations, repetition, scoring conditions and eligibility depend on the sport and competition.",
                                            "Rule names and examples are recalled from general knowledge; no sources were consulted."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of extra period 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": [
                                            "Fixed-duration extra period",
                                            "Sudden-death extra period"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of extra period 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": [
                                            "The International Football Association Board's Laws of the Game address extra time as a procedure for determining a match winner.",
                                            "FIBA's Official Basketball Rules govern overtime periods in basketball.",
                                            "The International Ice Hockey Federation's rules govern overtime in ice hockey."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of extra period 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": [
                                            "Resolving tied association football matches in competitions that require a winner.",
                                            "Continuing tied basketball games beyond regulation time.",
                                            "Providing an opportunity to decide tied ice hockey games through further play."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of extra period 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": "Duration of a basketball overtime period under FIBA rules",
                                                "typical_range": "5",
                                                "unit": "minutes of game-clock time"
                                            },
                                            {
                                                "quantity": "Duration of each association football extra-time period",
                                                "typical_range": "Up to 15, with two equal periods",
                                                "unit": "minutes, before allowance for time lost"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of extra period 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": [
                                            "Additional play increases physical exertion and fatigue.",
                                            "Applying the wrong competition's overtime procedure can produce an invalid match outcome.",
                                            "Confusing extra time with allowance for time lost can cause timing and officiating errors."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of extra period 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": [
                                            "The terms 'extra time' and 'overtime' vary by sport and linguistic region; their procedures are not interchangeable."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of extra period 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": "Regulation period",
                                                "difference": "A regulation period belongs to the scheduled ordinary playing time; an extra period follows it conditionally."
                                            },
                                            {
                                                "name": "Stoppage time",
                                                "difference": "Stoppage time compensates for time lost within a football period; extra time adds separate periods to help resolve a tie."
                                            },
                                            {
                                                "name": "Penalty shoot-out",
                                                "difference": "A penalty shoot-out uses a sequence of designated attempts rather than an additional interval of ordinary match play."
                                            },
                                            {
                                                "name": "Extra time",
                                                "difference": "Extra time can denote the complete extension of a match, while an extra period is one constituent interval."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of extra period this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does vr.tr.extra-period specifically denote a sporting extra period, or does the source registry intend another kind of additional activity interval?",
                "Does the registry concept cover one additional period, the entire extra-play phase, or both usages?",
                "Which sports and rule systems fall within the intended concept, particularly those using untimed additional play?",
                "Which existing Vercy world model, if any, already owns this concept and should serve as its single source of truth?",
                "Which authoritative sources establish the intended boundaries between extra period, overtime, extra time, added time and separate tie-breaking procedures?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 16,
                "questions": 26
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "event or period",
            "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 extra period, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise, track and reason about an extra period provisionally understood as an additional phase of a sporting contest beyond its scheduled regulation play.",
            "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: golden set, extra inning, Golden score, Playoff.",
                "4 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 66 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a extra period, 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": [
                "Not a thing to see. Recognised by when it happened and who was involved, on the account of somebody."
            ],
            "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": [
                        "golden set",
                        "extra inning",
                        "Golden score",
                        "Playoff"
                    ]
                }
            ],
            "standing": "Described in 66 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 4 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 extra period from another, and a extra period 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 extra period, 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 extra period, 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 extra period 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 extra period, 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 extra period, 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 extra period 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 extra period 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 extra period, 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 extra period, 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 extra period 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 extra period from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a extra period, 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 extra period, 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 extra period 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 extra period 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 extra period between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a extra period, 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 extra period, 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 extra period 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 extra period, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a extra period 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 extra period, 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 extra period, 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 extra period 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 extra period 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 extra period, 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 extra period and what marks it done.",
                                        "questions": [
                                            {
                                                "id": "steps-and-preconditions-q01",
                                                "text": "What identifies and describes a step of a extra period, 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 extra period, 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 extra period 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 extra period consumes and what it produces.",
                                "findings": [
                                    {
                                        "id": "inputs-and-outputs",
                                        "name": "Inputs, outputs and side effects",
                                        "description": "The resources a extra period 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 extra period, 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 extra period, 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 extra period is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "extent-and-dating",
                        "name": "Temporal extent and dating",
                        "description": "When extra period began and ended, and who says so.",
                        "rationale": "Dates for events are conventions held by historiographies that disagree, and a single confident date hides the disagreement.",
                        "layers": [
                            {
                                "id": "dating",
                                "name": "Dating and calendar",
                                "description": "Start, end, granularity and the calendar used.",
                                "findings": [
                                    {
                                        "id": "date-record",
                                        "name": "Dates, granularity and authority",
                                        "description": "What is dated, how precisely, and on whose account.",
                                        "questions": [
                                            {
                                                "id": "date-record-q01",
                                                "text": "What start and end are conventionally given for extra period, at what granularity, in which calendar?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "date-record-q02",
                                                "text": "Which accounts date it differently, and on what grounds?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "membership-of-the-event",
                                "name": "What counts as part of it",
                                "description": "Sub-events included or excluded, and by whom.",
                                "findings": [
                                    {
                                        "id": "inclusion",
                                        "name": "Inclusion and exclusion",
                                        "description": "The episodes treated as inside the event and those left out.",
                                        "questions": [
                                            {
                                                "id": "inclusion-q01",
                                                "text": "Which episodes are counted as part of extra period, and which are treated as separate?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "inclusion-q02",
                                                "text": "Whose framing is being followed in that inclusion, and who frames it otherwise?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "participants-and-consequence",
                        "name": "Participants, causes and consequences",
                        "description": "Who took part in extra period and what is claimed to follow from it.",
                        "rationale": "Causation around events is asserted rather than observed, so each claim needs the party asserting it.",
                        "layers": [
                            {
                                "id": "participants",
                                "name": "Participants and roles",
                                "description": "Parties involved and what each did.",
                                "findings": [
                                    {
                                        "id": "participant-record",
                                        "name": "Parties and their roles",
                                        "description": "Who is recorded as involved and in what capacity.",
                                        "questions": [
                                            {
                                                "id": "participant-record-q01",
                                                "text": "Which parties took part in extra period, in what roles, and on whose account?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "participant-record-q02",
                                                "text": "Where do accounts disagree about who was involved?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "consequences",
                                "name": "Causes and consequences",
                                "description": "What is claimed to have caused it and followed from it.",
                                "findings": [
                                    {
                                        "id": "causal-claims",
                                        "name": "Causal claims and who makes them",
                                        "description": "Antecedents and outcomes as attributed claims.",
                                        "questions": [
                                            {
                                                "id": "causal-claims-q01",
                                                "text": "What causes and consequences are attributed to extra period, and by whom?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "causal-claims-q02",
                                                "text": "What would an agent need before treating such a claim as settled rather than contested?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a extra period 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 extra period and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a extra period, 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 extra period, 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 extra period 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 extra period is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a extra period, 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 extra period, 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 extra period 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
            }
        }
    }
}