{
    "model": {
        "rank": 5488,
        "code": "thing-q54365",
        "model_id": "vr.tr.ska",
        "name": "ska",
        "purpose": "Enable an agent to recognise ska as a musical genre, assess evidence for its attribution, and support description, comparison and discovery without confusing the genre with individual works or recordings.",
        "family": "Thing Registry",
        "category": "Information and virtual systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "INF",
        "domain": "INF.MED",
        "industry": "",
        "version": "",
        "url": "/models/thing/q54365/",
        "tier": 2,
        "score": 67,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "Jamaican ska",
                "bluebeat",
                "new tone",
                "Japanese ska",
                "street ska",
                "2 tone",
                "third wave ska",
                "Australian ska",
                "spouge"
            ],
            "aliasCount": 9,
            "merged": 9,
            "knownIn": 67,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q54365",
                "url": "https://www.wikidata.org/wiki/Q54365",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T22:28:18Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 17.7,
                        "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: 01a08848-6b5f-78b3-b495-a39555d4653c\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: ska\nSense to describe: (none recorded)\nDomain code: INF.MED\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 1001 registered ",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 56.2,
                        "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: 01a08848-6b53-7b03-86ca-656cfd7b1ca6\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: ska\nRegistry id: vr.tr.ska\nPlane / domain: INF / INF.MED\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext for this"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q54365",
                "registryId": "vr.tr.ska",
                "name": "ska",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "INF.MED"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q54365/",
            "model": {
                "registry_id": "vr.tr.ska",
                "name": "ska",
                "purpose": "Enable an agent to recognise ska as a musical genre, assess evidence for its attribution, and support description, comparison and discovery without confusing the genre with individual works or recordings.",
                "definition": "Ska is a popular music genre that emerged in Jamaica in the late 1950s, combining Caribbean musical traditions with rhythm and blues and jazz, characteristically using accented offbeats over a steady dance rhythm.",
                "scope_statement": "This model owns ska as a musical genre and historically situated creative practice within vr.tr.ska, including its rhythmic identity, stylistic variation and relationships to musical traditions; it provisionally interprets the registry name as the music sense.",
                "in_scope": [
                    "Rhythmic and ensemble features used to recognise ska",
                    "Historical and cultural context supporting genre attribution",
                    "Relationships among Jamaican ska, 2 Tone and later ska-associated traditions",
                    "Evidence and uncertainty when classifying performances or recordings as ska",
                    "Genre-specific relationships to repertoire, musicians, scenes and dance practices"
                ],
                "out_of_scope": [
                    "Individual compositions, lyrics and arrangements as independently identified creative works",
                    "Recordings, releases, editions, files and physical copies as distinct entities",
                    "Artist biographies and band membership histories",
                    "Reggae, rocksteady, punk and jazz except where comparison clarifies ska",
                    "Ownership, licensing and rights clearance for particular works or recordings"
                ],
                "distinguishing_features": [
                    "Assess whether recurring offbeat guitar or keyboard accents form part of a broader ska rhythmic pattern; offbeat accents alone also occur in neighbouring genres.",
                    "Compare the relationship among bass movement, drum articulation and chord accents with ska references rather than identifying ska solely by speed.",
                    "Treat horn parts as supporting evidence when present, while allowing ska arrangements without a horn section.",
                    "Distinguish ska from rocksteady and reggae through combined rhythmic, arrangement and historical evidence rather than a single tempo threshold.",
                    "For punk-associated material, establish whether ska rhythm meaningfully shapes a passage or arrangement rather than assuming that brass instruments or a band's reputation establish the genre."
                ],
                "characteristics": [
                    {
                        "name": "Ska attribution",
                        "kind": "state",
                        "unit_or_values": "supported | provisional | disputed | insufficient evidence",
                        "why_it_matters": "Makes the confidence and limits of a genre assignment explicit."
                    },
                    {
                        "name": "Stylistic affiliation",
                        "kind": "category",
                        "unit_or_values": "Jamaican ska | 2 Tone-associated | later revival | ska-punk | mixed | unresolved; multiple values allowed",
                        "why_it_matters": "Supports comparison without forcing every example into a single chronological wave."
                    },
                    {
                        "name": "Offbeat articulation",
                        "kind": "category",
                        "unit_or_values": "Record accent placement, articulating instruments, consistency and passage boundaries.",
                        "why_it_matters": "Captures a central recognition cue while exposing cases where it is brief or ambiguous."
                    },
                    {
                        "name": "Tempo",
                        "kind": "measurement",
                        "unit_or_values": "beats per minute, with beat unit, passage and half-time or double-time ambiguity recorded",
                        "why_it_matters": "Allows rhythmic comparison without treating speed as a sufficient genre test."
                    },
                    {
                        "name": "Bass and drum interaction",
                        "kind": "category",
                        "unit_or_values": "Describe bass movement, kick and snare placement, subdivision feel and changes by passage.",
                        "why_it_matters": "Helps distinguish arrangements that share offbeat chord accents but organise their groove differently."
                    },
                    {
                        "name": "Historical and scene connection",
                        "kind": "relation",
                        "unit_or_values": "Links to documented scenes, periods, repertoire lineages and participant descriptions, with attribution evidence",
                        "why_it_matters": "Connects audible resemblance to the cultural practice without making geography or date an automatic membership rule."
                    }
                ],
                "affordances": [
                    "Propose a ska attribution with audible evidence, contextual evidence and explicit uncertainty.",
                    "Compare passages with ska, rocksteady and reggae references and explain the relevant differences.",
                    "Locate ska passages within hybrid arrangements instead of assigning one label indiscriminately to an entire recording.",
                    "Organise repertoire by stylistic affiliation, rhythmic features and documented scene connections.",
                    "Explain ska-specific arrangement features for analysis, rehearsal or discovery.",
                    "Route release identification and reuse requests to the linked work, recording and rights models."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "ska-identity-and-boundaries",
                        "name": "Ska identity and boundaries",
                        "description": "Establishes the intended sense of ska and the evidence needed for genre membership.",
                        "rationale": "An agent must distinguish the genre from namesakes, neighbouring genres and labels attached loosely to artists.",
                        "layers": [
                            {
                                "id": "genre-referent",
                                "name": "Genre referent",
                                "description": "Identifies ska as a genre-level concept rather than a particular musical object.",
                                "findings": [
                                    {
                                        "id": "music-sense-and-classification-target",
                                        "name": "Music sense and classification target",
                                        "description": "The proposed referent is the musical genre; attribution must identify whether it concerns a passage, arrangement, performance, recording or repertoire.",
                                        "questions": [
                                            {
                                                "text": "Does the registry's upstream identifier confirm that ska denotes the musical genre?",
                                                "kind": "definition",
                                                "id": "music-sense-and-classification-target-q01"
                                            },
                                            {
                                                "text": "Is the ska attribution about a specific performance or arrangement, or has it been inherited from an artist-level label?",
                                                "kind": "boundary",
                                                "id": "music-sense-and-classification-target-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "neighbouring-genre-boundaries",
                                "name": "Neighbouring genre boundaries",
                                "description": "Tests ska attribution against plausible alternative and overlapping classifications.",
                                "findings": [
                                    {
                                        "id": "combined-evidence-for-ska",
                                        "name": "Combined evidence for ska",
                                        "description": "Classification should combine rhythmic observations and contextual evidence, allowing disputed and overlapping labels.",
                                        "questions": [
                                            {
                                                "text": "Which observed features support ska rather than rocksteady or reggae in this example?",
                                                "kind": "boundary",
                                                "id": "combined-evidence-for-ska-q01"
                                            },
                                            {
                                                "text": "Should the agent retain multiple genre labels or mark the ska attribution as provisional?",
                                                "kind": "action",
                                                "id": "combined-evidence-for-ska-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "ska-rhythm-and-arrangement",
                        "name": "Ska rhythm and arrangement",
                        "description": "Records the audible organisation that makes a ska attribution inspectable.",
                        "rationale": "Ska recognition requires relationships among accents, bass and drums, not a checklist of instruments.",
                        "layers": [
                            {
                                "id": "groove-and-accent-placement",
                                "name": "Groove and accent placement",
                                "description": "Examines chord attacks and the rhythm section against an explicit beat interpretation.",
                                "findings": [
                                    {
                                        "id": "offbeat-pattern-in-context",
                                        "name": "Offbeat pattern in context",
                                        "description": "Record where chord accents fall and how bass and drums support or complicate the perceived ska groove.",
                                        "questions": [
                                            {
                                                "text": "Where do the recurring guitar or keyboard attacks fall relative to the counted beat and subdivision?",
                                                "kind": "measurement",
                                                "id": "offbeat-pattern-in-context-q01"
                                            },
                                            {
                                                "text": "How do bass movement and drum accents interact with those attacks across the selected passage?",
                                                "kind": "measurement",
                                                "id": "offbeat-pattern-in-context-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "ensemble-and-sectional-variation",
                                "name": "Ensemble and sectional variation",
                                "description": "Separates instrumental colour from rhythmic function and tracks changes within arrangements.",
                                "findings": [
                                    {
                                        "id": "instrument-roles-and-ska-passages",
                                        "name": "Instrument roles and ska passages",
                                        "description": "Record which instruments carry rhythmic, melodic and answering roles, including passages where the ska pattern enters or disappears.",
                                        "questions": [
                                            {
                                                "text": "Which instruments sustain the ska rhythmic pattern, and what roles do any horns perform?",
                                                "kind": "measurement",
                                                "id": "instrument-roles-and-ska-passages-q01"
                                            },
                                            {
                                                "text": "Does the pattern characterise the whole arrangement or only identifiable sections?",
                                                "kind": "boundary",
                                                "id": "instrument-roles-and-ska-passages-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "ska-lineages-and-scenes",
                        "name": "Ska lineages and scenes",
                        "description": "Relates musical examples to ska's Jamaican context and subsequent adaptations.",
                        "rationale": "Audible similarity alone cannot explain historically situated affiliations or the meanings of revival labels.",
                        "layers": [
                            {
                                "id": "jamaican-context-and-transitions",
                                "name": "Jamaican context and transitions",
                                "description": "Tracks evidence connecting repertoire and practice to Jamaican ska and neighbouring developments.",
                                "findings": [
                                    {
                                        "id": "documented-lineage",
                                        "name": "Documented lineage",
                                        "description": "Historical links should be grounded in sources about repertoire, participants and musical practice rather than inferred from a release date alone.",
                                        "questions": [
                                            {
                                                "text": "What evidence connects this repertoire or practice to Jamaican ska?",
                                                "kind": "provenance",
                                                "id": "documented-lineage-q01"
                                            },
                                            {
                                                "text": "Where do contemporary descriptions and later accounts disagree about a ska, rocksteady or reggae designation?",
                                                "kind": "boundary",
                                                "id": "documented-lineage-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "revivals-and-hybrid-traditions",
                                "name": "Revivals and hybrid traditions",
                                "description": "Represents 2 Tone affiliations, later revivals and ska-punk mixtures without assuming uniform styles.",
                                "findings": [
                                    {
                                        "id": "affiliation-beyond-wave-labels",
                                        "name": "Affiliation beyond wave labels",
                                        "description": "Treat movement and wave labels as sourced classifications whose geographic, temporal and musical scope must be stated.",
                                        "questions": [
                                            {
                                                "text": "Who identifies this example with 2 Tone, a later ska revival or ska-punk, and on what basis?",
                                                "kind": "provenance",
                                                "id": "affiliation-beyond-wave-labels-q01"
                                            },
                                            {
                                                "text": "Which ska features persist, and which elements come from another musical tradition?",
                                                "kind": "boundary",
                                                "id": "affiliation-beyond-wave-labels-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "ska-attribution-and-use",
                        "name": "Ska attribution and use",
                        "description": "Turns musical and contextual observations into defensible catalogue and discovery actions.",
                        "rationale": "Agents need to preserve attribution evidence and avoid transferring a genre label or reuse permission between distinct musical objects.",
                        "layers": [
                            {
                                "id": "attribution-evidence",
                                "name": "Attribution evidence",
                                "description": "Separates listening observations, participant descriptions and catalogue labels.",
                                "findings": [
                                    {
                                        "id": "traceable-ska-classification",
                                        "name": "Traceable ska classification",
                                        "description": "A ska assignment should retain its evidence type, source, target and unresolved disagreements.",
                                        "questions": [
                                            {
                                                "text": "Is the ska label supported by listening analysis, participant testimony, scholarship or catalogue metadata?",
                                                "kind": "provenance",
                                                "id": "traceable-ska-classification-q01"
                                            },
                                            {
                                                "text": "What additional evidence would justify accepting, revising or withholding the classification?",
                                                "kind": "action",
                                                "id": "traceable-ska-classification-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "repertoire-links-and-agent-actions",
                                "name": "Repertoire links and agent actions",
                                "description": "Uses ska features for discovery while linking to the precise musical objects involved.",
                                "findings": [
                                    {
                                        "id": "version-sensitive-discovery",
                                        "name": "Version-sensitive discovery",
                                        "description": "Different arrangements of a composition can warrant different genre labels; discovery and reuse actions must resolve the relevant version.",
                                        "questions": [
                                            {
                                                "text": "Which arrangement or recording carries the observed ska features, and do other versions differ?",
                                                "kind": "boundary",
                                                "id": "version-sensitive-discovery-q01"
                                            },
                                            {
                                                "text": "For a request to play, sample or adapt this example, which linked recording, work and rights records must the agent consult?",
                                                "kind": "action",
                                                "id": "version-sensitive-discovery-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 name is interpreted as the music genre, consistent with the supplied domain and creative-form context.",
                                            "Wave labels describe historical scenes and overlap with stylistic categories; they are not a formal taxonomy.",
                                            "No sources were consulted; precise origin dates and categorical boundaries should be checked before publication."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of ska 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": [
                                            "Traditional Jamaican ska",
                                            "British 2 Tone ska",
                                            "Third-wave ska",
                                            "Ska punk"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of ska this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "scheme": "ISWC",
                                                "value_or_pattern": "T followed by nine digits and a check digit",
                                                "note": "Identifies an individual musical work, including a ska composition, rather than the genre."
                                            },
                                            {
                                                "scheme": "ISRC",
                                                "value_or_pattern": "12 alphanumeric characters",
                                                "note": "Identifies a particular sound recording or music video recording, rather than the composition or genre."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of ska 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": [
                                            "ISO 15707, issued by ISO, specifies the International Standard Musical Work Code (ISWC).",
                                            "ISO 3901, issued by ISO, specifies the International Standard Recording Code (ISRC)."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of ska 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": [
                                            "Live dance music and social dancing, including skanking.",
                                            "Commercial recordings, radio programming and music streaming.",
                                            "Musical expression associated with Jamaican identity and later British multicultural youth scenes.",
                                            "Fusion with punk rock and other popular music styles."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of ska 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": [
                                            "Genre classification based solely on offbeat accents can confuse ska with rocksteady or reggae.",
                                            "Conflating a composition with a particular recording can lead to incorrect attribution and rights clearance."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of ska 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": [
                                            "Jamaican ska developed within local recording, dance and sound-system cultures.",
                                            "British 2 Tone combined ska with punk and new-wave influences and was associated with antiracist expression.",
                                            "Later North American scenes included both traditional ska revival and prominent ska-punk hybrids."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of ska 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": "Rocksteady",
                                                "difference": "The Jamaican successor to ska generally uses slower tempos, more spacious arrangements and stronger emphasis on bass and vocal groups."
                                            },
                                            {
                                                "name": "Reggae",
                                                "difference": "Reggae developed after rocksteady and uses distinct drum-and-bass grooves; offbeat accompaniment alone does not distinguish it from ska."
                                            },
                                            {
                                                "name": "Mento",
                                                "difference": "Mento is an earlier Jamaican folk and dance tradition, typically associated with acoustic ensembles, that contributed to ska's development."
                                            },
                                            {
                                                "name": "Ska punk",
                                                "difference": "Ska punk specifically combines ska rhythms with punk instrumentation, intensity or song structures; ska as a whole does not require those features."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of ska this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the upstream registry record confirm the musical genre sense, and does an existing world model already own this concept?",
                "Which researched reference recordings best support comparison among Jamaican ska, rocksteady and reggae without implying rigid tempo boundaries?",
                "How should 2 Tone, revival and wave terminology accommodate regional histories and participant disagreement?",
                "What evidence threshold should distinguish a ska passage, a ska arrangement and a repertoire broadly associated with ska?",
                "Which documented dance and scene practices are essential to recognising ska as a cultural practice beyond its audible features?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 16,
                "questions": 24
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "work, medium or creative form",
            "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 ska, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise ska as a musical genre, assess evidence for its attribution, and support description, comparison and discovery without confusing the genre with individual works or recordings.",
            "characteristics": {
                "substance": "information",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "read and interpreted",
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: Jamaican ska, bluebeat, new tone, Japanese ska, street ska, 2 tone, third wave ska, Australian ska, spouge.",
                "9 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 67 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 ska, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "content that has to be carried by something else",
            "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": [
                "read it and act on what it says",
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "What is seen is a copy or a performance, not the work. Recognising the work means recognising the content through whatever is carrying it."
            ],
            "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": [
                        "Jamaican ska",
                        "bluebeat",
                        "new tone",
                        "Japanese ska",
                        "street ska",
                        "2 tone",
                        "third wave ska",
                        "Australian ska",
                        "spouge"
                    ]
                }
            ],
            "standing": "Described in 67 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 9 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 ska from another, and a ska 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 ska, 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 ska, 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 ska 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 ska, 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 ska, 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 ska 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 ska 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 ska, 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 ska, 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 ska 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 ska from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a ska, 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 ska, 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 ska 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 ska 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 ska between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a ska, 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 ska, 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 ska 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 ska, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a ska 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 ska, 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 ska, 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 ska is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "content-and-access",
                        "name": "Content, encoding and access",
                        "description": "What a ska says, how it is encoded and who may read it.",
                        "rationale": "An informational thing carries content that can be copied, versioned and withheld, none of which its physical carrier explains.",
                        "layers": [
                            {
                                "id": "content-and-encoding",
                                "name": "Content and encoding",
                                "description": "The content itself, its format and its language.",
                                "findings": [
                                    {
                                        "id": "content-and-format",
                                        "name": "Content, format and language",
                                        "description": "What a ska contains and in what form it is held.",
                                        "questions": [
                                            {
                                                "id": "content-and-format-q01",
                                                "text": "What identifies and describes the content of a ska, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "content-and-format-q02",
                                                "text": "Who or what asserted this about the content of a ska, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "content-and-format-q03",
                                                "text": "What may an agent decide or do once the content of a ska is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "access-and-rights",
                                "name": "Access, rights and retention",
                                "description": "Who may read, copy or change it, and for how long it is kept.",
                                "findings": [
                                    {
                                        "id": "access-rules",
                                        "name": "Access rules and retention",
                                        "description": "The permissions attached to a ska and the period it survives.",
                                        "questions": [
                                            {
                                                "id": "access-rules-q01",
                                                "text": "What identifies and describes access to a ska, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "access-rules-q02",
                                                "text": "Who or what asserted this about access to a ska, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "access-rules-q03",
                                                "text": "What may an agent decide or do once access to a ska is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "work-and-manifestation",
                        "name": "Work, version and copy",
                        "description": "Which level of ska a statement is about.",
                        "rationale": "The work, the edition, the file and the copy in hand are four things; rights and content attach to different ones.",
                        "layers": [
                            {
                                "id": "levels",
                                "name": "Levels of the thing",
                                "description": "Work, expression, manifestation and item, in plain terms.",
                                "findings": [
                                    {
                                        "id": "level-rules",
                                        "name": "What belongs at each level",
                                        "description": "Which facts hold for the work and which only for one copy.",
                                        "questions": [
                                            {
                                                "id": "level-rules-q01",
                                                "text": "For ska, which facts belong to the work itself, which to a version, and which to a single copy?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "level-rules-q02",
                                                "text": "What identifier exists at each level, and which one is being cited?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "versions",
                                "name": "Versions, editions and variants",
                                "description": "How versions differ and which is canonical to whom.",
                                "findings": [
                                    {
                                        "id": "version-record",
                                        "name": "Versions and canonicity",
                                        "description": "Differences that matter and who calls one authoritative.",
                                        "questions": [
                                            {
                                                "id": "version-record-q01",
                                                "text": "Which versions or editions of ska exist, and how do they differ substantively?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "version-record-q02",
                                                "text": "Who treats which version as authoritative, and for what purpose?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "authorship-and-rights",
                        "name": "Authorship, rights and permitted use",
                        "description": "Who made ska and what may be done with it.",
                        "rationale": "Rights are jurisdictional, time-limited and attached to a level, and an agent that ignores that will copy what it may not.",
                        "layers": [
                            {
                                "id": "authorship",
                                "name": "Authorship and contribution",
                                "description": "Who contributed what, and in what capacity.",
                                "findings": [
                                    {
                                        "id": "contribution-record",
                                        "name": "Contributors and roles",
                                        "description": "The people and bodies behind it, with their roles.",
                                        "questions": [
                                            {
                                                "id": "contribution-record-q01",
                                                "text": "Who authored or contributed to ska, in what roles, and how is that attested?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "contribution-record-q02",
                                                "text": "Where authorship is disputed or anonymous, what is recorded instead?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "rights",
                                "name": "Rights and permissions",
                                "description": "Which rights subsist, where, until when, and what they permit.",
                                "findings": [
                                    {
                                        "id": "rights-record",
                                        "name": "Rights, term and permitted acts",
                                        "description": "The regime in force and what it allows.",
                                        "questions": [
                                            {
                                                "id": "rights-record-q01",
                                                "text": "What rights subsist in ska, in which jurisdictions, and until when?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "rights-record-q02",
                                                "text": "Which acts are permitted without further permission, and which must an agent refuse?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a ska 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 ska and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a ska, 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 ska, 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 ska 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 ska is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a ska, 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 ska, 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 ska 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
            }
        }
    }
}