{
    "model": {
        "rank": 5685,
        "code": "thing-q483251",
        "model_id": "vr.tr.death-metal",
        "name": "death metal",
        "purpose": "Enable an AI agent to recognise, qualify and apply death metal classifications using musical evidence, documented context and explicit uncertainty.",
        "family": "Thing Registry",
        "category": "Information and virtual systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "INF",
        "domain": "INF.MED",
        "industry": "",
        "version": "",
        "url": "/models/thing/q483251/",
        "tier": 2,
        "score": 65,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "Latin melodeath",
                "progressive death metal",
                "Scandinavian death metal",
                "melodic death metal",
                "atmospheric death metal",
                "symphonic death metal",
                "Christian death metal",
                "gothic death-doom",
                "Florida death metal",
                "New York death metal",
                "Gothenburg metal",
                "Gothenburg sound",
                "melodic death doom",
                "deathcore",
                "deathgrind",
                "technical death metal",
                "death 'n' roll",
                "brutal death metal",
                "Swedish death metal",
                "old school death metal",
                "electro deathcore",
                "nu deathcore",
                "dissonant death metal",
                "slam death metal"
            ],
            "aliasCount": 24,
            "merged": 24,
            "knownIn": 65,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q483251",
                "url": "https://www.wikidata.org/wiki/Q483251",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T09:00:21Z",
                "providers": [
                    "Codex"
                ],
                "missingProviders": [
                    "Grok"
                ],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": null,
                        "turns": null,
                        "seconds": 14.3,
                        "error": "Error: Internal error: {\n  \"message\": \"API error (status 402 Payment Required): Grok Build usage balance exhausted\",\n  \"http_status\": 402\n}",
                        "retried": true
                    },
                    "codex": {
                        "seconds": 82.1,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b17-9bce-70f3-875d-77db3bf4de7e\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: death metal\nRegistry id: vr.tr.death-metal\nPlane / domain: INF / INF.MED\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q483251",
                "registryId": "vr.tr.death-metal",
                "name": "death metal",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "INF.MED"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q483251/",
            "model": {
                "registry_id": "vr.tr.death-metal",
                "name": "death metal",
                "purpose": "Enable an AI agent to recognise, qualify and apply death metal classifications using musical evidence, documented context and explicit uncertainty.",
                "definition": "",
                "scope_statement": "This model owns death metal as a musical genre concept, including its identifying musical practices, internal variation, neighbouring boundaries and evidence needed to apply or revise the label.",
                "in_scope": [
                    "Combinations of audible features that support a death metal classification",
                    "Death metal riff construction, vocal approaches, rhythmic organisation and production characteristics",
                    "Subgenre and hybrid relationships that preserve or qualify death metal identity",
                    "Documented artist, release and scene relationships relevant to genre attribution",
                    "Classification confidence, disagreement and changes across releases or periods"
                ],
                "out_of_scope": [
                    "Complete biographies, membership histories and business affairs of bands",
                    "Recording ownership, licensing and distribution permissions",
                    "Audio file formats, storage and playback infrastructure",
                    "General metal taxonomy beyond boundaries needed to identify death metal",
                    "Literal death, medical mortality and violence unrelated to musical representation"
                ],
                "distinguishing_features": [
                    "Against thrash metal, examine whether riff articulation, vocal delivery and rhythmic organisation jointly support death metal rather than treating speed or distortion as decisive.",
                    "Against black metal, compare riff texture, vocal delivery, arrangement and documented genre context; blast beats and harsh vocals alone do not resolve the boundary.",
                    "Against grindcore, examine riff development, song organisation and hardcore-related context rather than deciding from track length or intensity alone.",
                    "Against deathcore, examine how breakdowns and metalcore-related structures organise the music alongside death metal features; a breakdown alone does not determine the label.",
                    "Against horror-themed heavy music generally, require musical or contextual evidence beyond lyrics, artwork, band names or imagery."
                ],
                "characteristics": [
                    {
                        "name": "Classification target and coverage",
                        "kind": "category",
                        "unit_or_values": "Passage, track, release, artist period or scene; assessed coverage stated explicitly",
                        "why_it_matters": "Evidence from one track must not silently become a classification of an entire discography."
                    },
                    {
                        "name": "Vocal delivery profile",
                        "kind": "category",
                        "unit_or_values": "Growled, guttural, screamed, shouted, clean, mixed, instrumental or unresolved",
                        "why_it_matters": "Vocal delivery contributes evidence without becoming a mandatory or sufficient genre test."
                    },
                    {
                        "name": "Riff and harmonic profile",
                        "kind": "category",
                        "unit_or_values": "Described combinations of picking articulation, muting, chromatic movement, melodic contour, dissonance and harmonic organisation",
                        "why_it_matters": "It records how riffs function instead of substituting broad labels such as heavy or aggressive."
                    },
                    {
                        "name": "Pulse and rhythmic profile",
                        "kind": "measurement",
                        "unit_or_values": "BPM ranges with pulse interpretation, passage timestamps and separately described beat patterns",
                        "why_it_matters": "It distinguishes tempo from perceived density and accommodates half-time, double-time and changing sections."
                    },
                    {
                        "name": "Arrangement profile",
                        "kind": "category",
                        "unit_or_values": "Recurring riff cycles, sectional contrasts, transitions, breakdowns, solos and other observed structural devices",
                        "why_it_matters": "The organisation of features can discriminate neighbouring styles better than their isolated presence."
                    },
                    {
                        "name": "Production and performance legibility",
                        "kind": "state",
                        "unit_or_values": "Clear, partially obscured or insufficient for assessment, with affected instruments and suspected production effects identified",
                        "why_it_matters": "Recording texture can hide or exaggerate the musical features being assessed."
                    },
                    {
                        "name": "Subgenre and neighbouring-genre relationships",
                        "kind": "relation",
                        "unit_or_values": "Qualified relationships to named styles, with supporting evidence and allowance for multiple labels",
                        "why_it_matters": "It represents internal diversity and hybrids without forcing mutually exclusive classifications."
                    },
                    {
                        "name": "Attribution status",
                        "kind": "state",
                        "unit_or_values": "Proposed, supported, contested, insufficient evidence or superseded; attributed claims and reasons retained",
                        "why_it_matters": "It separates a defensible classification from an unverified tag and supports later revision."
                    }
                ],
                "affordances": [
                    "Assess whether a specified track, release or artist period supports a death metal label.",
                    "Compare candidate classifications using passage-level musical evidence and attributed contextual claims.",
                    "Assign qualified subgenre or hybrid labels while retaining unresolved boundaries.",
                    "Explain which audible features support a classification and which are shared with neighbouring genres.",
                    "Identify the additional listening or documentary evidence needed to resolve a disputed attribution.",
                    "Revise genre annotations when broader coverage or stronger evidence changes the assessment."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "audible-death-metal-vocabulary",
                        "name": "Audible death metal vocabulary",
                        "description": "Records vocal and instrumental evidence used to recognise death metal without relying on a single sonic marker.",
                        "rationale": "An agent must distinguish a meaningful combination of musical features from generic heaviness, distortion or harshness.",
                        "layers": [
                            {
                                "id": "vocal-delivery",
                                "name": "Vocal delivery",
                                "description": "Describes the audible vocal approaches and their distribution within the assessed material.",
                                "findings": [
                                    {
                                        "id": "vocal-profile-and-exceptions",
                                        "name": "Vocal profile and exceptions",
                                        "description": "Record vocal delivery as observed evidence, including mixed approaches and passages without vocals.",
                                        "questions": [
                                            {
                                                "text": "Which passages exhibit growled, guttural, screamed, shouted or clean delivery, and how consistently are those approaches used?",
                                                "kind": "measurement",
                                                "id": "vocal-profile-and-exceptions-q01"
                                            },
                                            {
                                                "text": "If vocals are absent or atypical, what instrumental and contextual evidence still supports or weakens a death metal classification?",
                                                "kind": "boundary",
                                                "id": "vocal-profile-and-exceptions-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "riff-and-instrumental-texture",
                                "name": "Riff and instrumental texture",
                                "description": "Captures the construction and interaction of guitar, bass and percussion parts.",
                                "findings": [
                                    {
                                        "id": "riff-evidence",
                                        "name": "Riff evidence",
                                        "description": "Describe specific riff behaviours and instrumental interactions rather than recording heaviness as an unexplained judgement.",
                                        "questions": [
                                            {
                                                "text": "Which timestamped riffs demonstrate the picking articulation, muting, pitch movement and harmonic texture used in the assessment?",
                                                "kind": "measurement",
                                                "id": "riff-evidence-q01"
                                            },
                                            {
                                                "text": "How do the bass and percussion reinforce, interrupt or contrast with those riffs?",
                                                "kind": "measurement",
                                                "id": "riff-evidence-q02"
                                            },
                                            {
                                                "text": "Which observed combinations help distinguish this material from thrash metal or black metal?",
                                                "kind": "boundary",
                                                "id": "riff-evidence-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "rhythmic-and-compositional-organisation",
                        "name": "Rhythmic and compositional organisation",
                        "description": "Records how riffs, beats and sections form a musical argument across time.",
                        "rationale": "Death metal recognition needs relationships between musical events, including slower material, rather than a speed or aggression threshold.",
                        "layers": [
                            {
                                "id": "pulse-density-and-groove",
                                "name": "Pulse, density and groove",
                                "description": "Separates tempo, event density, beat patterns and changes in rhythmic feel.",
                                "findings": [
                                    {
                                        "id": "rhythmic-pattern-distribution",
                                        "name": "Rhythmic pattern distribution",
                                        "description": "Record where blast-beat passages, kick-drum patterns, slower grooves and pulse changes occur without treating any as compulsory.",
                                        "questions": [
                                            {
                                                "text": "What pulse interpretations and tempo ranges apply to the principal sections, and where is the pulse ambiguous?",
                                                "kind": "measurement",
                                                "id": "rhythmic-pattern-distribution-q01"
                                            },
                                            {
                                                "text": "How are blast-beat passages, dense kick patterns and slower grooves distributed and connected?",
                                                "kind": "measurement",
                                                "id": "rhythmic-pattern-distribution-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "riff-development-and-song-form",
                                "name": "Riff development and song form",
                                "description": "Describes recurrence, transformation and contrast across the assessed composition.",
                                "findings": [
                                    {
                                        "id": "structural-role-of-sections",
                                        "name": "Structural role of sections",
                                        "description": "Record how riffs, transitions, solos and breakdowns organise the piece and affect competing genre interpretations.",
                                        "questions": [
                                            {
                                                "text": "How do riffs recur or change, and what roles do transitions, solos and contrasting sections play?",
                                                "kind": "measurement",
                                                "id": "structural-role-of-sections-q01"
                                            },
                                            {
                                                "text": "Does the organisation of the music support death metal, grindcore, deathcore or a qualified combination, and which sections justify that judgement?",
                                                "kind": "boundary",
                                                "id": "structural-role-of-sections-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "death-metal-boundaries-and-variation",
                        "name": "Death metal boundaries and variation",
                        "description": "Maintains a qualified genre boundary while representing internal styles and combinations with neighbouring genres.",
                        "rationale": "An agent must accommodate diverse death metal practices without allowing one substyle or a superficial marker to define the whole genre.",
                        "layers": [
                            {
                                "id": "subgenre-and-hybrid-placement",
                                "name": "Subgenre and hybrid placement",
                                "description": "Records the meanings and evidence behind narrower or overlapping classifications.",
                                "findings": [
                                    {
                                        "id": "qualified-style-relationships",
                                        "name": "Qualified style relationships",
                                        "description": "Treat labels such as technical, brutal, melodic or death-doom as claims requiring a stated meaning and evidence.",
                                        "questions": [
                                            {
                                                "text": "Which narrower or hybrid labels are proposed, and what does each label mean in the source or classification practice using it?",
                                                "kind": "definition",
                                                "id": "qualified-style-relationships-q01"
                                            },
                                            {
                                                "text": "Which audible features and documented attributions support each proposed relationship?",
                                                "kind": "provenance",
                                                "id": "qualified-style-relationships-q02"
                                            },
                                            {
                                                "text": "Should the result retain multiple labels or an unresolved boundary rather than force a single placement?",
                                                "kind": "action",
                                                "id": "qualified-style-relationships-q03"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "non-decisive-markers",
                                "name": "Non-decisive markers",
                                "description": "Distinguishes supporting cues from features that cannot independently establish genre membership.",
                                "findings": [
                                    {
                                        "id": "imagery-tuning-and-production-limits",
                                        "name": "Imagery, tuning and production limits",
                                        "description": "Prevent lyrical themes, low tuning, artwork or recording texture from substituting for a musical assessment.",
                                        "questions": [
                                            {
                                                "text": "Would the proposed classification remain supported if lyrics, artwork and the artist name were withheld?",
                                                "kind": "boundary",
                                                "id": "imagery-tuning-and-production-limits-q01"
                                            },
                                            {
                                                "text": "Which claims about tuning, distortion or production are directly supported, and which may be misleading impressions?",
                                                "kind": "provenance",
                                                "id": "imagery-tuning-and-production-limits-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "death-metal-attribution-in-context",
                        "name": "Death metal attribution in context",
                        "description": "Connects musical assessment to documented genre usage, scene relationships and the limits of the material examined.",
                        "rationale": "Genre membership also involves situated naming practices; an agent must reconcile those practices with audible evidence and avoid classifying a whole career from a fragment.",
                        "layers": [
                            {
                                "id": "scene-and-source-attribution",
                                "name": "Scene and source attribution",
                                "description": "Records who applies the death metal label, when they apply it and what their claim actually covers.",
                                "findings": [
                                    {
                                        "id": "documented-genre-position",
                                        "name": "Documented genre position",
                                        "description": "Keep artist descriptions, contemporary accounts, specialist criticism and catalogue tags distinguishable as evidence.",
                                        "questions": [
                                            {
                                                "text": "Who identifies the material as death metal, when was the claim made, and does it concern a track, release, artist period or scene?",
                                                "kind": "provenance",
                                                "id": "documented-genre-position-q01"
                                            },
                                            {
                                                "text": "Where do self-description, scene association, critical description and audible evidence disagree?",
                                                "kind": "boundary",
                                                "id": "documented-genre-position-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "coverage-and-reclassification",
                                "name": "Coverage and reclassification",
                                "description": "Controls how far an assessment extends and when a genre annotation should change.",
                                "findings": [
                                    {
                                        "id": "bounded-classification-decision",
                                        "name": "Bounded classification decision",
                                        "description": "Record the assessed versions and musical coverage, the resulting attribution status and the evidence needed for revision.",
                                        "questions": [
                                            {
                                                "text": "Which recordings, versions and periods were assessed, and where do production or performance differences limit comparison?",
                                                "kind": "provenance",
                                                "id": "bounded-classification-decision-q01"
                                            },
                                            {
                                                "text": "Should the agent apply, qualify, defer or revise the death metal label given the current evidence and its coverage?",
                                                "kind": "action",
                                                "id": "bounded-classification-decision-q02"
                                            },
                                            {
                                                "text": "What additional listening or documentary evidence would resolve the specific remaining classification dispute?",
                                                "kind": "action",
                                                "id": "bounded-classification-decision-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which researched reference examples best establish the death metal boundary across periods and scenes without privileging one regional sound?",
                "How should audible evidence, artist self-description and specialist attribution be weighed when they conflict?",
                "Which meanings of technical, brutal, melodic and other narrower labels are sufficiently consistent to support reusable distinctions?",
                "How should instrumental, unusually slow or vocally atypical examples be assessed without introducing arbitrary necessary features?",
                "What listening coverage is sufficient to extend a track-level judgement to a release or an artist period?"
            ],
            "statistics": {
                "bundles": 4,
                "layers": 8,
                "findings": 8,
                "questions": 19
            }
        },
        "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 death metal, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise, qualify and apply death metal classifications using musical evidence, documented context and explicit uncertainty.",
            "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: Latin melodeath, progressive death metal, Scandinavian death metal, melodic death metal, atmospheric death metal, symphonic death metal, Christian death metal, gothic death-doom, Florida death metal, New York death metal, Gothenburg metal, Gothenburg sound.",
                "24 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 65 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 death metal, 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": [
                        "Latin melodeath",
                        "progressive death metal",
                        "Scandinavian death metal",
                        "melodic death metal",
                        "atmospheric death metal",
                        "symphonic death metal",
                        "Christian death metal",
                        "gothic death-doom",
                        "Florida death metal",
                        "New York death metal",
                        "Gothenburg metal",
                        "Gothenburg sound"
                    ]
                }
            ],
            "standing": "Described in 65 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 24 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 death metal from another, and a death metal 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 death metal, 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 death metal, 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 death metal 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 death metal, 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 death metal, 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 death metal 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 death metal 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 death metal, 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 death metal, 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 death metal 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 death metal from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a death metal, 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 death metal, 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 death metal 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 death metal 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 death metal between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a death metal, 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 death metal, 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 death metal 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 death metal, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a death metal 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 death metal, 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 death metal, 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 death metal 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 death metal 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 death metal contains and in what form it is held.",
                                        "questions": [
                                            {
                                                "id": "content-and-format-q01",
                                                "text": "What identifies and describes the content of a death metal, 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 death metal, 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 death metal 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 death metal and the period it survives.",
                                        "questions": [
                                            {
                                                "id": "access-rules-q01",
                                                "text": "What identifies and describes access to a death metal, 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 death metal, 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 death metal 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 death metal 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 death metal, 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 death metal 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 death metal 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 death metal, 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 death metal, 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 death metal 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 death metal and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a death metal, 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 death metal, 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 death metal 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 death metal is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a death metal, 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 death metal, 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 death metal 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
            }
        }
    }
}