{
    "model": {
        "rank": 6510,
        "code": "thing-q12460259",
        "model_id": "vr.tr.reed-organ",
        "name": "reed organ",
        "purpose": "Enable an AI agent to recognise a reed organ, assess its wind supply, reed response and playing mechanisms, and decide whether it can be played, adjusted, moved or repaired.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q12460259/",
        "tier": 2,
        "score": 60,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "pedal harmonium",
                "Kunstharmonium",
                "Orthotonophonium",
                "Indian harmonium",
                "suction reed organ",
                "Aelodicon",
                "Organola",
                "shruti box",
                "harmonichord",
                "seraphine",
                "physharmonica"
            ],
            "aliasCount": 11,
            "merged": 11,
            "knownIn": 60,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q12460259",
                "url": "https://www.wikidata.org/wiki/Q12460259",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T15:01:13Z",
                "providers": [
                    "Codex",
                    "Grok"
                ],
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": 0.00836842,
                        "turns": 1,
                        "seconds": 141.5,
                        "error": null
                    },
                    "codex": {
                        "seconds": 94.2,
                        "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: 01a07c60-b82e-7001-9de4-31ee0295297d\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: reed organ\nRegistry id: vr.tr.reed-organ\nPlane / domain: PHY / PHY.LIV\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA V"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q12460259",
                "registryId": "vr.tr.reed-organ",
                "name": "reed organ",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.LIV"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q12460259/",
            "model": {
                "registry_id": "vr.tr.reed-organ",
                "name": "reed organ",
                "purpose": "Enable an AI agent to recognise a reed organ, assess its wind supply, reed response and playing mechanisms, and decide whether it can be played, adjusted, moved or repaired.",
                "definition": "A reed organ is a keyboard aerophone whose tone is produced by free reeds (metal tongues vibrating through a fitted slot) when air is drawn or forced through them by treadle bellows, a hand pump, or a later electric blower, rather than by flue or beating-reed pipes.",
                "scope_statement": "This model owns the identity, configuration, operating condition and intervention constraints of an individual reed organ registered as vr.tr.reed-organ, including its integrated reeds, wind system, keyboard, controls and case; terminology overlaps remain explicit pending registry boundary research.",
                "in_scope": [
                    "Evidence identifying the instrument as a keyboard-controlled free-reed organ",
                    "Wind generation, airflow direction, reservoirs, valves and sealing",
                    "Reed sets, sounding compass, pitch and response",
                    "Keyboard action, stops and any expression, coupling or transposition mechanisms",
                    "Instrument-specific condition, alterations and constraints on playing, servicing and transport"
                ],
                "out_of_scope": [
                    "Pipe organs and the internal design of their pipe ranks",
                    "Accordions, concertinas, harmonicas and mouth-blown free-reed instruments as separate instruments",
                    "Electronic organs and software simulations of reed-organ sound",
                    "Musical compositions, performances and player proficiency",
                    "Room acoustics, building services and collection-wide environmental management"
                ],
                "distinguishing_features": [
                    "Establish that the intended acoustic sound source is a metal tongue vibrating freely in an aperture, rather than a string, electronic oscillator or ordinary organ reed beating against a shallot; keyboard free-reed construction is documented by [The Metropolitan Museum of Art](https://www.metmuseum.org/art/collection/search/504768).",
                    "Trace a keyboard-controlled air path to the reeds; keys alone do not distinguish a reed organ from a piano or electronic organ.",
                    "Identify a mechanically supplied wind path rather than a mouthpiece-driven one, distinguishing the instrument from harmonicas and mouth-blown free-reed instruments.",
                    "Examine whether the keyboard and wind system form an organ assembly or an accordion-like instrument operated by expanding and contracting its body; portability alone is insufficient because portable reed organs exist.",
                    "Determine identity from sounding components and construction rather than cabinet shape, decorative pipe fronts or the words organ, harmonium or melodeon on their own."
                ],
                "characteristics": [
                    {
                        "name": "Identification confidence",
                        "kind": "state",
                        "unit_or_values": "confirmed by mechanism inspection | supported by documentation | provisional | unresolved",
                        "why_it_matters": "Prevents an external resemblance or historical name from becoming a definitive classification."
                    },
                    {
                        "name": "Wind architecture",
                        "kind": "category",
                        "unit_or_values": "pressure | suction | combined or other documented arrangement | unknown",
                        "why_it_matters": "Determines how the instrument's air path and wind-system faults must be interpreted."
                    },
                    {
                        "name": "Wind source",
                        "kind": "category",
                        "unit_or_values": "foot-operated bellows | hand-operated bellows | powered blower | multiple sources | unknown",
                        "why_it_matters": "Establishes the operating procedure and which effort or power faults can interrupt sound."
                    },
                    {
                        "name": "Keyboard and pedal compass",
                        "kind": "measurement",
                        "unit_or_values": "number of manuals; keys per manual; lowest and highest note using a declared octave convention; pedal compass if present",
                        "why_it_matters": "Defines the intended note coverage against which missing or silent notes can be assessed."
                    },
                    {
                        "name": "Reed-set and control mapping",
                        "kind": "relation",
                        "unit_or_values": "reed set to note range, stop, keyboard division and sounding pitch",
                        "why_it_matters": "Distinguishes an intentional registration limit from a failed reed or control."
                    },
                    {
                        "name": "Operating wind differential",
                        "kind": "measurement",
                        "unit_or_values": "Pa relative to ambient, with measurement location, registration and playing load",
                        "why_it_matters": "Makes weak response and wind instability assessable under reproducible conditions."
                    },
                    {
                        "name": "Pitch and tuning profile",
                        "kind": "measurement",
                        "unit_or_values": "Hz and cents relative to a declared reference, with temperature and wind conditions",
                        "why_it_matters": "Separates measured deviations from assumptions about modern tuning or intended temperament."
                    },
                    {
                        "name": "Note response",
                        "kind": "state",
                        "unit_or_values": "responsive | delayed | intermittent | silent | sounds after release | mechanically noisy | untested, by note and registration",
                        "why_it_matters": "Localises playable limitations and guides diagnosis."
                    },
                    {
                        "name": "Wind-system integrity",
                        "kind": "state",
                        "unit_or_values": "observed condition of bellows folds, reservoir, check valves, reed-board seals and accessible joints; uninspected components identified",
                        "why_it_matters": "Determines whether an apparent reed fault may originate in inadequate or leaking wind."
                    },
                    {
                        "name": "Alteration and intervention status",
                        "kind": "relation",
                        "unit_or_values": "component to documented replacement, modification, repair evidence and permitted intervention",
                        "why_it_matters": "Prevents undocumented changes from being mistaken for original construction or suitable repair precedent."
                    }
                ],
                "affordances": [
                    "Identify the instrument's wind architecture and establish an appropriate starting configuration.",
                    "Map working keys, stops and reed sets to the notes and tonal combinations they actually produce.",
                    "Conduct a condition-appropriate playing test and record limitations under stated wind conditions.",
                    "Distinguish likely reed, action and wind-system causes of a reported fault.",
                    "Plan documented servicing or specialist referral using component-specific access and intervention constraints.",
                    "Prepare the instrument for storage or transport using its actual bellows, case and detachable-component arrangement."
                ]
            },
            "sources": [
                {
                    "id": "gellerman-1996",
                    "title": "The American Reed Organ and the Harmonium",
                    "url": "",
                    "what_it_supports": "North American suction practice, parlor/chapel kinds, construction, makers, and the pressure-versus-suction distinction."
                },
                {
                    "id": "ord-hume-1986",
                    "title": "Harmonium: The History of the Reed Organ and Its Makers",
                    "url": "",
                    "what_it_supports": "European pressure-harmonium history, Debain's naming, Mustel art-harmonium practice, and maker geography."
                },
                {
                    "id": "grove-reed-organ",
                    "title": "Reed organ (Grove Music Online / New Grove)",
                    "url": "",
                    "what_it_supports": "Specialist definition, compass and stop practice, and separation from the pipe organ and from free-reed portable instruments."
                },
                {
                    "id": "hs-1914",
                    "title": "Systematik der Musikinstrumente: ein Versuch (Zeitschrift für Ethnologie 46, 1914)",
                    "url": "",
                    "what_it_supports": "Hornbostel-Sachs placement of keyboard free-reed sets (412.132)."
                },
                {
                    "id": "wiki-reed-organ",
                    "title": "Reed organ",
                    "url": "https://en.wikipedia.org/wiki/Reed_organ",
                    "what_it_supports": "Common English names (pump organ, parlor organ), General MIDI mapping, and a public overview of kinds; used only as a cross-check, not as a primary claim source.",
                    "url_status": "live"
                }
            ],
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-construction",
                        "name": "Identity and construction",
                        "description": "Establish what instrument is present and which construction evidence supports its classification.",
                        "rationale": "Historical labels and organ-like furniture do not reliably identify the sounding mechanism or operating variant.",
                        "layers": [
                            {
                                "id": "sound-source-and-boundary",
                                "name": "Sound source and boundary",
                                "description": "Identify the mechanism that generates sound and distinguish neighbouring instrument types.",
                                "findings": [
                                    {
                                        "id": "free-reed-organ-identification",
                                        "name": "Free-reed organ identification",
                                        "description": "Record evidence connecting keyboard operation, controlled airflow and free-reed sound production, including inaccessible or missing components.",
                                        "questions": [
                                            {
                                                "text": "What observed components or reliable instrument records establish that free reeds are the intended sound source?",
                                                "kind": "definition",
                                                "id": "free-reed-organ-identification-q01"
                                            },
                                            {
                                                "text": "What construction evidence distinguishes this instrument from a pipe organ, electronic organ or accordion?",
                                                "kind": "boundary",
                                                "id": "free-reed-organ-identification-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "attribution-and-variant",
                                "name": "Attribution and variant",
                                "description": "Connect the surviving instrument to maker evidence and its actual construction variant.",
                                "findings": [
                                    {
                                        "id": "documented-instrument-configuration",
                                        "name": "Documented instrument configuration",
                                        "description": "Record maker marks, serial evidence, historical names and modifications without treating a trade name as proof of mechanism.",
                                        "questions": [
                                            {
                                                "text": "Which inscriptions, serial records or dated documents support the maker, model and date attribution?",
                                                "kind": "provenance",
                                                "id": "documented-instrument-configuration-q01"
                                            },
                                            {
                                                "text": "Which wind, keyboard or reed components differ from the documented configuration, and what evidence dates those changes?",
                                                "kind": "provenance",
                                                "id": "documented-instrument-configuration-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "wind-generation-and-delivery",
                        "name": "Wind generation and delivery",
                        "description": "Describe how wind is produced, regulated and delivered to sounding reeds.",
                        "rationale": "A reed organ's response depends on its complete wind path, so silent or weak notes cannot be assessed from reeds alone.",
                        "layers": [
                            {
                                "id": "wind-source-and-path",
                                "name": "Wind source and path",
                                "description": "Establish airflow direction and the relationship between pumping, storage and reed chambers.",
                                "findings": [
                                    {
                                        "id": "operating-wind-arrangement",
                                        "name": "Operating wind arrangement",
                                        "description": "Record the observed pressure or suction arrangement, wind source, reservoir and valve sequence; do not infer architecture solely from the instrument's name.",
                                        "questions": [
                                            {
                                                "text": "Where does air enter and leave, and which components establish the pressure differential across the reeds?",
                                                "kind": "definition",
                                                "id": "operating-wind-arrangement-q01"
                                            },
                                            {
                                                "text": "What starting procedure and control positions provide wind for this instrument, and what evidence supports that procedure?",
                                                "kind": "action",
                                                "id": "operating-wind-arrangement-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "wind-capacity-and-sealing",
                                "name": "Wind capacity and sealing",
                                "description": "Assess whether the wind system sustains the intended playing load.",
                                "findings": [
                                    {
                                        "id": "wind-stability-and-leakage",
                                        "name": "Wind stability and leakage",
                                        "description": "Record wind behaviour under stated note loads and distinguish measured leakage from suspected deterioration.",
                                        "questions": [
                                            {
                                                "text": "How does wind differential change between idle, a sustained note and a stated chord or registration at comparable pumping effort?",
                                                "kind": "measurement",
                                                "id": "wind-stability-and-leakage-q01"
                                            },
                                            {
                                                "text": "What observations localise leakage or valve failure to bellows, reservoir, reed-board seals or connecting passages?",
                                                "kind": "measurement",
                                                "id": "wind-stability-and-leakage-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "reeds-pitch-and-response",
                        "name": "Reeds, pitch and response",
                        "description": "Describe the installed reed resources and their measured sounding behaviour.",
                        "rationale": "An agent needs note-level evidence to distinguish intended voicing and tuning from silence, instability or damage.",
                        "layers": [
                            {
                                "id": "reed-resources",
                                "name": "Reed resources",
                                "description": "Map physical reed sets to their intended note and control coverage.",
                                "findings": [
                                    {
                                        "id": "reed-set-coverage",
                                        "name": "Reed-set coverage",
                                        "description": "Record installed sets, missing positions, range divisions and their relation to stops; do not assume one stop equals one complete reed set.",
                                        "questions": [
                                            {
                                                "text": "Which reed sets are installed, and what keyboard range and sounding pitch does each serve?",
                                                "kind": "definition",
                                                "id": "reed-set-coverage-q01"
                                            },
                                            {
                                                "text": "Which apparent gaps represent missing reeds, intentional range limits or undocumented alterations?",
                                                "kind": "boundary",
                                                "id": "reed-set-coverage-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "sounding-condition",
                                "name": "Sounding condition",
                                "description": "Assess pitch, onset, sustain and release under recorded test conditions.",
                                "findings": [
                                    {
                                        "id": "note-level-acoustic-condition",
                                        "name": "Note-level acoustic condition",
                                        "description": "Record repeatable acoustic observations separately from proposed causes and preserve uncertainty about intended tuning.",
                                        "questions": [
                                            {
                                                "text": "For each tested reed set and note, what pitch, onset, sustain and release behaviour occurs at the recorded wind condition?",
                                                "kind": "measurement",
                                                "id": "note-level-acoustic-condition-q01"
                                            },
                                            {
                                                "text": "What reference pitch, temperament or intentional beating is supported by evidence rather than assumed from current tuning practice?",
                                                "kind": "provenance",
                                                "id": "note-level-acoustic-condition-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "keyboard-registration-and-expression",
                        "name": "Keyboard, registration and expression",
                        "description": "Describe how player inputs select notes and modify the available sound.",
                        "rationale": "Key, pallet and control faults can imitate reed faults, while labels may conceal divided stops or mechanisms with different effects.",
                        "layers": [
                            {
                                "id": "key-to-valve-action",
                                "name": "Key-to-valve action",
                                "description": "Trace each playing control to the mechanism admitting or interrupting wind.",
                                "findings": [
                                    {
                                        "id": "action-response-and-closure",
                                        "name": "Action response and closure",
                                        "description": "Record key return, linkage condition and valve closure using the instrument's actual action; a documented example uses rods between keys and pallet valves in [The Met's portable reed organ](https://www.metmuseum.org/art/collection/search/504768).",
                                        "questions": [
                                            {
                                                "text": "How does each manual or pedal key actuate its valve, and which keys show binding, excessive lost motion or failed return?",
                                                "kind": "measurement",
                                                "id": "action-response-and-closure-q01"
                                            },
                                            {
                                                "text": "When a note continues after release, what observations distinguish incomplete valve closure from an engaged sustaining or coupling mechanism?",
                                                "kind": "boundary",
                                                "id": "action-response-and-closure-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "stop-and-expression-effects",
                                "name": "Stop and expression effects",
                                "description": "Connect control labels and positions to verified mechanical and acoustic effects.",
                                "findings": [
                                    {
                                        "id": "verified-control-map",
                                        "name": "Verified control map",
                                        "description": "Record the effect and applicable range of every installed stop, coupler, expression control or transposer, marking absent and untested features explicitly.",
                                        "questions": [
                                            {
                                                "text": "What does each control actually operate, and where are any bass-treble divisions or limits to its effect?",
                                                "kind": "definition",
                                                "id": "verified-control-map-q01"
                                            },
                                            {
                                                "text": "Which control combinations provide the requested notes and dynamics without activating a known defective mechanism?",
                                                "kind": "action",
                                                "id": "verified-control-map-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "care-and-intervention",
                        "name": "Care and intervention",
                        "description": "Translate the instrument's construction and observed condition into decisions about use, servicing and movement.",
                        "rationale": "Reed work, wind-system repair and handling require different access methods and can affect surviving historical material.",
                        "layers": [
                            {
                                "id": "service-access-and-repair",
                                "name": "Service access and repair",
                                "description": "Establish how components can be inspected and which proposed treatments are supported.",
                                "findings": [
                                    {
                                        "id": "component-specific-intervention-plan",
                                        "name": "Component-specific intervention plan",
                                        "description": "Record access routes, material evidence, previous repairs and the justification for cleaning, adjustment, replacement or specialist treatment.",
                                        "questions": [
                                            {
                                                "text": "How can the relevant reed, pallet or bellows component be reached, and what documentation supports the disassembly sequence?",
                                                "kind": "action",
                                                "id": "component-specific-intervention-plan-q01"
                                            },
                                            {
                                                "text": "Which proposed treatments are supported for the identified materials and condition, and which require specialist assessment before proceeding?",
                                                "kind": "action",
                                                "id": "component-specific-intervention-plan-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "use-and-handling-readiness",
                                "name": "Use and handling readiness",
                                "description": "Determine whether the current instrument can be operated or moved under specified conditions.",
                                "findings": [
                                    {
                                        "id": "permitted-use-and-movement",
                                        "name": "Permitted use and movement",
                                        "description": "Record playing limits and handling requirements derived from the condition of the case, supports, pumping mechanisms and secured internal components.",
                                        "questions": [
                                            {
                                                "text": "Which observed defects require stopping or restricting pumping, powered wind operation or playing, and what would demonstrate readiness to resume?",
                                                "kind": "action",
                                                "id": "permitted-use-and-movement-q01"
                                            },
                                            {
                                                "text": "Which parts must be secured or detached for movement, and which verified lifting points protect the case, bellows and action?",
                                                "kind": "action",
                                                "id": "permitted-use-and-movement-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "American reed organ (suction/exhaust wind; often called parlor, cottage, or pump organ)",
                                            "European pressure harmonium (including the French art harmonium with expression and percussion stops)",
                                            "Indian / South Asian hand-pumped harmonium (portable accompaniment instrument)",
                                            "Melodeon in the 19th-century North American sense (early suction parlor organ; not the button accordion of the same name)",
                                            "Chapel or church reed organ (larger case, more ranks, intended for congregational use)",
                                            "School or student reed organ (compact classroom instruments, historically common in Japan and elsewhere)",
                                            "Early physharmonica / seraphine types (pre-industrial ancestors of the domestic reed organ)",
                                            "Electrified reed organ (acoustic free reeds with an electric blower rather than treadles)"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of reed organ this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "scheme": "Hornbostel-Sachs (MIMO revision)",
                                                "value_or_pattern": "412.132 (sets of free reeds; keyboard instruments in this class often coded 412.132-8)",
                                                "note": "Classifies the sounding principle, not a single catalogue object."
                                            },
                                            {
                                                "scheme": "General MIDI System Level 1",
                                                "value_or_pattern": "Program 21 (1-based; 20 zero-based), name Reed Organ",
                                                "note": "Names a timbre preset, not an acoustic instrument instance."
                                            },
                                            {
                                                "scheme": "Wikidata",
                                                "value_or_pattern": "item with English label 'reed organ' (and linked 'harmonium' / 'pump organ' items)",
                                                "note": "Q-id not confirmed in this pass; look up the live item rather than trusting a remembered number."
                                            },
                                            {
                                                "scheme": "Maker serial",
                                                "value_or_pattern": "Estey, Mason & Hamlin, Alexandre, Mustel and similar serials stamped on the case, action, or reed chest",
                                                "note": "Identifies a particular instrument, not the class."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of reed organ this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-standards-and-regulation",
                                        "name": "Standards and regulation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Hornbostel-Sachs / MIMO instrument classification (academic type standard, not a product law).",
                                            "CITES and successor ivory-trade rules (CITES Secretariat / national implementing agencies) when historic keyboards with elephant-ivory coverings are exported or sold across borders.",
                                            "General MIDI System Level 1 (MIDI Manufacturers Association) when the class is encoded as a digital program rather than as a physical object.",
                                            "National electrical-safety rules (for example IEC/UL appliance standards as adopted locally) for later electric-blower motors and wiring, not for purely treadle instruments.",
                                            "Museum and conservation codes (ICOM; CIMCIM guidance on musical-instrument conservation) governing restoration of historic examples."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of reed organ this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Domestic parlor and cottage music in 19th- and early 20th-century North America and Europe, as a cheaper, more compact substitute for a pipe organ.",
                                            "Small-church and chapel service playing where a pipe organ was unaffordable.",
                                            "Hindustani and related South Asian vocal and ensemble accompaniment on a hand-pumped harmonium, still a living performance practice.",
                                            "Schoolrooms (notably historic Japanese school reed organs) for teaching and assembly singing.",
                                            "Current use as collected, restored, and recorded historic keyboard instruments; also as a sampled or General MIDI timbre in digital keyboards."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of reed organ this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "quantity": "Keyboard compass (Euro-American parlor/chapel)",
                                                "typical_range": "5 octaves, commonly 61 notes F-F; some instruments 73 notes",
                                                "unit": "keys"
                                            },
                                            {
                                                "quantity": "Keyboard compass (Indian hand-pumped harmonium)",
                                                "typical_range": "3 to 3.5 octaves, commonly about 37-44 sounding keys",
                                                "unit": "keys"
                                            },
                                            {
                                                "quantity": "Reed ranks (sets)",
                                                "typical_range": "1-8 independent sets, often with octave couplers adding apparent chorus",
                                                "unit": "ranks"
                                            },
                                            {
                                                "quantity": "Reference pitch (modern vs many 19th-c. instruments)",
                                                "typical_range": "A4 ≈ 440 modern; many historic instruments nearer 435 or a local high-pitch",
                                                "unit": "Hz"
                                            },
                                            {
                                                "quantity": "Case width (typical parlor instrument)",
                                                "typical_range": "about 1100-1400",
                                                "unit": "mm"
                                            },
                                            {
                                                "quantity": "Mass (parlor to chapel)",
                                                "typical_range": "about 40-200",
                                                "unit": "kg"
                                            },
                                            {
                                                "quantity": "Wind (order of magnitude at the reed)",
                                                "typical_range": "roughly 50-100 mm water column, suction or pressure depending on type",
                                                "unit": "mmH2O"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of reed organ this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Reed tongues rust, go off speech, fatigue, or break; dust and corrosion in the reed cells kill notes.",
                                            "Bellows cloth and leather perish, leak, or are eaten by moths and rodents, so the instrument will not speak.",
                                            "Pallet and valve leather fail or warp, causing ciphers (notes that sound when not played) or silent notes.",
                                            "Case, soundboard, and key frame crack or bind with humidity cycling; ivory or celluloid key coverings lift or shatter.",
                                            "Treadle pumping causes operator fatigue and can aggravate overuse injury; abandoned instruments become heavy falling-furniture hazards.",
                                            "Historic ivory, lead-weighted parts, and old finishes raise handling and disposal issues; electric-blower conversions add motor overheating and wiring-fire risk."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of reed organ this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "In the United States and Canada the living-room instrument is usually called a reed organ, pump organ, or parlor organ and is typically a suction (exhaust) machine.",
                                            "In British usage, 'American organ' often meant the suction type, while 'harmonium' meant the European pressure type.",
                                            "In France and much of continental Europe 'harmonium' is the default name; the art harmonium (Mustel and peers) is a distinct high-expression pressure tradition.",
                                            "In India, Pakistan, Bangladesh, and related diasporas 'harmonium' names the portable hand-pumped accompaniment instrument, not a piece of parlor furniture.",
                                            "Japan had a strong 20th-century school-organ culture (Yamaha and others) that is not the same social object as either the American parlor organ or the South Asian harmonium."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of reed organ this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "name": "Pipe organ",
                                                "difference": "A pipe organ speaks through flue and/or beating-reed pipes on a windchest; a reed organ has no speaking pipes and uses free reeds in reed cells."
                                            },
                                            {
                                                "name": "Accordion or concertina",
                                                "difference": "Those are player-held free-reed instruments whose bellows are part of the body and usually change banks with bellows direction; a reed organ is a stationary keyboard with separate treadle or hand pump (or blower)."
                                            },
                                            {
                                                "name": "Harmonica",
                                                "difference": "Oral free reeds with no keyboard and no furniture case; the reed organ is a keyboard aerophone."
                                            },
                                            {
                                                "name": "Electronic organ or Hammond organ",
                                                "difference": "Tone is generated electrically (tonewheels, oscillators, or samples); an acoustic reed organ still has vibrating metal free reeds in an airstream. General MIDI 'Reed Organ' is only a timbre name."
                                            },
                                            {
                                                "name": "Button melodeon (diatonic accordion)",
                                                "difference": "Same English word as the early American suction parlor organ, but a handheld accordion; test is furniture keyboard plus treadles versus a worn bellows-box with buttons."
                                            },
                                            {
                                                "name": "Pressure harmonium versus American suction organ",
                                                "difference": "Both are reed organs; separate them by wind direction (air blown through the reeds versus sucked through them) and by stop/expression design, not by the mere presence of free reeds."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of reed organ this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the registry intend reed organ to include all pressure harmoniums, suction organs and relevant historical melodeons, or do neighbouring entries impose narrower boundaries?",
                "Does an existing Vercy world model already own this concept, requiring vr.tr.reed-organ to link to that publication?",
                "Is the assigned PHY.LIV domain intentional for this manufactured musical instrument, or does the registry classification require review?",
                "Which maker-specific records establish acceptable wind conditions, intended pitch, temperament and regulation tolerances for each construction variant?",
                "How should hybrid instruments and automatic reed organs be linked to neighbouring models without duplicating ownership of their reed-organ mechanisms?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 18,
                "questions": 28
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "device, machine or tool",
            "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 reed organ, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a reed organ, assess its wind supply, reed response and playing mechanisms, and decide whether it can be played, adjusted, moved or repaired.",
            "characteristics": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: pedal harmonium, Kunstharmonium, Orthotonophonium, Indian harmonium, suction reed organ, Aelodicon, Organola, shruti box, harmonichord, seraphine, physharmonica.",
                "11 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 60 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 reed organ, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things."
            ],
            "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": [
                        "pedal harmonium",
                        "Kunstharmonium",
                        "Orthotonophonium",
                        "Indian harmonium",
                        "suction reed organ",
                        "Aelodicon",
                        "Organola",
                        "shruti box",
                        "harmonichord",
                        "seraphine",
                        "physharmonica"
                    ]
                }
            ],
            "standing": "Described in 60 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 11 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 reed organ from another, and a reed organ 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 reed organ, 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 reed organ, 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 reed organ 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 reed organ, 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 reed organ, 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 reed organ 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 reed organ 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 reed organ, 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 reed organ, 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 reed organ 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 reed organ from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a reed organ, 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 reed organ, 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 reed organ is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "form-and-composition",
                        "name": "Form, composition and condition",
                        "description": "What a reed organ is made of, what shape and size it takes, and what state it is in.",
                        "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.",
                        "layers": [
                            {
                                "id": "form-and-dimensions",
                                "name": "Form and dimensions",
                                "description": "Shape, size, mass and the ranges these take across examples.",
                                "findings": [
                                    {
                                        "id": "measurable-dimensions",
                                        "name": "Measurable dimensions and their units",
                                        "description": "The quantities worth recording and the units they are recorded in.",
                                        "questions": [
                                            {
                                                "id": "measurable-dimensions-q01",
                                                "text": "What identifies and describes the dimensions of a reed organ, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q02",
                                                "text": "Who or what asserted this about the dimensions of a reed organ, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q03",
                                                "text": "What may an agent decide or do once the dimensions of a reed organ is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "material-and-composition",
                                "name": "Material and composition",
                                "description": "Materials, parts and how they are put together.",
                                "findings": [
                                    {
                                        "id": "parts-and-materials",
                                        "name": "Parts and materials",
                                        "description": "What a reed organ is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a reed organ, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q02",
                                                "text": "Who or what asserted this about the composition of a reed organ, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q03",
                                                "text": "What may an agent decide or do once the composition of a reed organ is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-integrity",
                                "name": "Condition and integrity",
                                "description": "Wear, damage, health and the difference between working and broken.",
                                "findings": [
                                    {
                                        "id": "condition-assessment",
                                        "name": "Condition, damage and health",
                                        "description": "How the condition of a reed organ is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a reed organ, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q02",
                                                "text": "Who or what asserted this about the condition of a reed organ, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q03",
                                                "text": "What may an agent decide or do once the condition of a reed organ is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "place-and-movement",
                        "name": "Place and movement",
                        "description": "Where a reed organ is, how it got there and where it may go (varies).",
                        "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.",
                        "layers": [
                            {
                                "id": "location-and-placement",
                                "name": "Location and placement",
                                "description": "Position, containment and the reference frame the position is given in.",
                                "findings": [
                                    {
                                        "id": "position-and-frame",
                                        "name": "Position, container and reference frame",
                                        "description": "Where a reed organ is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a reed organ, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q02",
                                                "text": "Who or what asserted this about the location of a reed organ, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q03",
                                                "text": "What may an agent decide or do once the location of a reed organ is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "movement-and-transfer",
                                "name": "Movement and transfer",
                                "description": "How a reed organ is carried, installed or relocated.",
                                "findings": [
                                    {
                                        "id": "movement-events",
                                        "name": "Movement events and constraints",
                                        "description": "What counts as a movement, what records it and what limits it.",
                                        "questions": [
                                            {
                                                "id": "movement-events-q01",
                                                "text": "What identifies and describes the movement of a reed organ, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q02",
                                                "text": "Who or what asserted this about the movement of a reed organ, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q03",
                                                "text": "What may an agent decide or do once the movement of a reed organ 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 reed organ 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 reed organ between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a reed organ, 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 reed organ, 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 reed organ 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 reed organ, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a reed organ 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 reed organ, 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 reed organ, 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 reed organ is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "function-and-principle",
                        "name": "Function and operating principle",
                        "description": "What reed organ is for and how it achieves it.",
                        "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.",
                        "layers": [
                            {
                                "id": "intended-function",
                                "name": "Intended function",
                                "description": "The job it does, and the jobs it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-record",
                                        "name": "Function, principle and variants",
                                        "description": "What it does, how, and which variants do it differently.",
                                        "questions": [
                                            {
                                                "id": "function-record-q01",
                                                "text": "What function does reed organ perform, on what operating principle, and which variants differ in that principle?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "function-record-q02",
                                                "text": "What use falls outside the intended function but happens in practice?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "capacity-and-rating",
                                "name": "Capacity and rating",
                                "description": "The numbers that say what it can do and where it stops.",
                                "findings": [
                                    {
                                        "id": "ratings",
                                        "name": "Ratings and their conditions",
                                        "description": "Rated capacity, power, throughput and the conditions each assumes.",
                                        "questions": [
                                            {
                                                "id": "ratings-q01",
                                                "text": "What ratings characterise reed organ, in what units, and under what stated conditions?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "ratings-q02",
                                                "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "operation-and-state",
                        "name": "Operation, controls and state",
                        "description": "How reed organ is operated and what state it is in right now.",
                        "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.",
                        "layers": [
                            {
                                "id": "controls-and-modes",
                                "name": "Controls and modes",
                                "description": "What can be set, what that changes, and what is interlocked.",
                                "findings": [
                                    {
                                        "id": "control-surface",
                                        "name": "Control surface and interlocks",
                                        "description": "The settings available and the conditions that block them.",
                                        "questions": [
                                            {
                                                "id": "control-surface-q01",
                                                "text": "What controls and modes does reed organ have, and what does each change?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "control-surface-q02",
                                                "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-maintenance",
                                "name": "Condition and maintenance",
                                "description": "Wear, service intervals, consumables and the line between working and broken.",
                                "findings": [
                                    {
                                        "id": "service-record",
                                        "name": "Condition, service and consumables",
                                        "description": "What is consumed, what is serviced, and how condition is judged.",
                                        "questions": [
                                            {
                                                "id": "service-record-q01",
                                                "text": "What consumables and service does reed organ need, at what interval, and on whose authority?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "service-record-q02",
                                                "text": "What evidence separates a unit that is working from one that is out of service?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "kind-model-unit",
                        "name": "Kind, model and unit",
                        "description": "Whether a claim about reed organ is about the kind, a product line, or one physical unit.",
                        "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.",
                        "layers": [
                            {
                                "id": "level-of-reference",
                                "name": "Level of reference",
                                "description": "The three levels and what belongs at each.",
                                "findings": [
                                    {
                                        "id": "level-rules",
                                        "name": "What belongs to kind, model and unit",
                                        "description": "Which properties are shared by all of them and which are not.",
                                        "questions": [
                                            {
                                                "id": "level-rules-q01",
                                                "text": "Which facts about reed organ hold for every one of them, which for a model, and which only for one unit?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "level-rules-q02",
                                                "text": "What identifies an individual unit, and what should an agent do when it has only the kind?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "standards-and-conformity",
                                "name": "Standards and conformity",
                                "description": "The standards a working example must meet and who attests it.",
                                "findings": [
                                    {
                                        "id": "conformity",
                                        "name": "Standards, marks and attestation",
                                        "description": "Which standard applies, who certifies, and what the mark means.",
                                        "questions": [
                                            {
                                                "id": "conformity-q01",
                                                "text": "Which standards govern reed organ, issued by whom, and what does conformity actually assert?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "conformity-q02",
                                                "text": "What may an agent conclude from a certification mark, and what may it not?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a reed organ 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 reed organ and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a reed organ, 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 reed organ, 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 reed organ 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 reed organ is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a reed organ, 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 reed organ, 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 reed organ is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 8,
                "layers": 17,
                "findings": 19,
                "questions": 51
            }
        }
    }
}