{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T11:41:34Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 20.0,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a0956b-0b02-7a53-973c-87cfa07be978\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: nose flute\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 044: 1001 regi",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 79.1,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a0956b-0b0e-7080-bec4-35ccbd3b5c0d\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: nose flute\nRegistry id: vr.tr.nose-flute\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCo"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:55:11+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners",
        "visual_identification"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:31+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q444037",
    "registryId": "vr.tr.nose-flute",
    "name": "nose flute",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q444037/",
  "model": {
    "registry_id": "vr.tr.nose-flute",
    "name": "nose flute",
    "purpose": "Enable an agent to recognise a nose flute, assess its sound-producing and physical condition, and determine appropriate playing, care and interpretation actions.",
    "definition": "A nose flute is a flute sounded by air exhaled through a nostril and directed against an edge, with pitch governed by a fingered tube or, in some designs, the player's mouth cavity.",
    "scope_statement": "This model owns the registered instrument kind vr.tr.nose-flute within PHY / PHY.OBJ, including nasal airflow, sound generation, pitch control, construction and use constraints, while distinguishing the kind from named traditions, product models and individual instruments.",
    "in_scope": [
      "Identification of instruments designed to produce musical sound using air exhaled through the nose",
      "Air inlet, airflow path, sound-producing edge and acoustic resonator",
      "Pitch control through instrument openings, oral-cavity adjustment or other documented mechanisms",
      "Body materials, construction, player interfaces and playable condition",
      "Instrument-specific cleaning, repair and culturally appropriate handling"
    ],
    "out_of_scope": [
      "The general classification and acoustics of all flutes and aerophones",
      "Human nasal anatomy, respiratory health and medical assessment",
      "Musical compositions, repertoire and performance events",
      "The complete cultural traditions or communities associated with particular instruments",
      "Commercial product lines, individual object inventories and ownership histories except as linked evidence"
    ],
    "distinguishing_features": [
      "The intended playing configuration routes nasal exhalation to the sound-producing opening; proximity to the nose or a suggestive product name alone is insufficient.",
      "The documented sound source involves airflow interacting with an edge, distinguishing the instrument from a nasal reed instrument or a nonmusical nasal device.",
      "The instrument supplies a physical sound-producing structure, distinguishing it from unaided nasal whistling.",
      "Pitch control must be identified rather than assumed: a tube with finger holes and a device using the player's mouth cavity should not receive identical operating descriptions.",
      "Identification rests on intended construction and documented use, distinguishing a nose flute from a mouth-blown flute played through the nose as an improvised technique."
    ],
    "characteristics": [
      {
        "name": "Documented instrument form",
        "kind": "category",
        "unit_or_values": "Tubular form; oral-cavity-resonated form; other documented form; unresolved",
        "why_it_matters": "Determines which acoustic, playing and care questions apply without prematurely splitting the registry entry."
      },
      {
        "name": "Nasal airflow coupling",
        "kind": "category",
        "unit_or_values": "Direct nasal blowing at an opening; nasal inlet feeding an air channel; other documented arrangement; unknown",
        "why_it_matters": "Identifies how the player excites the instrument and which openings must remain unobstructed."
      },
      {
        "name": "Principal resonator",
        "kind": "category",
        "unit_or_values": "Instrument air column; player's oral cavity; combined arrangement; unresolved",
        "why_it_matters": "Explains whether pitch behaviour primarily depends on the object, the player or both."
      },
      {
        "name": "Pitch-control mechanism",
        "kind": "category",
        "unit_or_values": "Finger-hole closure; oral-cavity adjustment; airflow adjustment; documented combination; other; unknown",
        "why_it_matters": "Prevents instructions for one form from being applied to another."
      },
      {
        "name": "Body and contact-surface materials",
        "kind": "category",
        "unit_or_values": "Recorded materials and finishes for each component, with unknown materials identified",
        "why_it_matters": "Constrains cleaning, moisture exposure, repair and suitability for facial contact."
      },
      {
        "name": "Acoustic geometry",
        "kind": "measurement",
        "unit_or_values": "Body and air-column lengths, bore dimensions, inlet dimensions and opening positions in mm, where applicable",
        "why_it_matters": "Supports comparison and diagnosis while avoiding meaningless bore measurements for forms without a tube."
      },
      {
        "name": "Finger-hole configuration",
        "kind": "category",
        "unit_or_values": "Hole count and positional map; no finger holes; unresolved",
        "why_it_matters": "Connects construction to fingering, reach and pitch production."
      },
      {
        "name": "Observed sounding range",
        "kind": "measurement",
        "unit_or_values": "Frequency in Hz or pitches with a stated reference, player, technique and test conditions",
        "why_it_matters": "Separates demonstrated performance from an assumed universal range."
      },
      {
        "name": "Sound-producing assembly condition",
        "kind": "state",
        "unit_or_values": "Intact; obstructed; leaking; edge damaged; body cracked; unassessed",
        "why_it_matters": "Connects physical observations to response problems and repair decisions."
      },
      {
        "name": "Facial-contact surface condition",
        "kind": "state",
        "unit_or_values": "Clean and dry; visibly soiled; damp; rough or damaged; treatment residue present; unassessed",
        "why_it_matters": "Informs whether playing or further inspection is appropriate."
      },
      {
        "name": "Tradition and local-name attribution",
        "kind": "relation",
        "unit_or_values": "Links to documented names, makers, communities and supporting sources, with attribution confidence",
        "why_it_matters": "Preserves distinctions that an English umbrella name may conceal."
      }
    ],
    "affordances": [
      "Identify the nasal inlet, sound-producing edge, resonator and pitch controls from inspection and documented playing evidence.",
      "Select an appropriate playing demonstration for the identified form and permitted use.",
      "Record response, pitch range and repeatability under stated player and airflow conditions.",
      "Inspect blocked channels, damaged edges, leaks and cracks before recommending cleaning or repair.",
      "Choose a material-compatible care procedure for nasal and oral contact surfaces.",
      "Link a local instrument name or individual example to this kind while retaining uncertain attribution and use restrictions."
    ],
    "agent_conduct": {
      "may": [
        "Describe nose flutes and their place in Pacific, Asian and other musical traditions.",
        "Help a user learn to play or clean one."
      ],
      "must_not": [
        "Advise sharing a nose flute between people without cleaning it.",
        "Mock the instrument or the cultures it comes from.",
        "Misrepresent sacred or courtship uses of the instrument."
      ],
      "requires_human": [
        "Using ceremonial nose flutes or songs in public performance on a community's behalf."
      ]
    },
    "ethics": {
      "considerations": [
        "In some cultures it carries spiritual and courtship meaning.",
        "Nasal instruments can spread infection if shared."
      ],
      "affected_parties": [
        "Communities whose tradition it is",
        "Players"
      ]
    },
    "owners": {
      "steward": "The person who owns and plays it.",
      "master_systems": []
    },
    "visual_identification": [
      "A bamboo or wooden tube held to one nostril, often with a few finger holes.",
      "Plastic novelty versions sit over the nose with the mouth open below."
    ],
    "failure_modes_and_hazards": [
      "Shared instruments can spread respiratory infections."
    ],
    "what_it_is_for": [
      "Nose flutes occur in musical traditions where nasal airflow produces melodies for personal expression, social occasions or culturally specific practices.",
      "They are also encountered in instrument collections, music education and contemporary performance.",
      "Their playing technique and cultural significance depend on the instrument design and the community associated with it."
    ],
    "standards_and_regulation": [
      "ISO 16, issued by the International Organization for Standardization, provides the standard musical tuning frequency when a nose flute is tuned to that reference."
    ]
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q444037: nose flute",
      "url": "https://www.wikidata.org/wiki/Q444037",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Nose flute",
      "url": "https://en.wikipedia.org/wiki/Nose_flute",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "identity-and-instrument-boundaries",
        "name": "Identity and instrument boundaries",
        "description": "Establishes what qualifies as a nose flute and how distinct forms remain represented within the registry entry.",
        "rationale": "Nasal playing, flute sound production and local naming must be distinguished from superficial resemblance.",
        "layers": [
          {
            "id": "nasal-excitation",
            "name": "Nasal excitation",
            "description": "Examines the intended source and route of playing air.",
            "findings": [
              {
                "id": "intended-nasal-air-supply",
                "name": "Intended nasal air supply",
                "description": "Recognition requires evidence that nasal exhalation is part of the intended playing method.",
                "questions": [
                  {
                    "text": "What construction feature or documented demonstration establishes nasal exhalation as the intended air supply?",
                    "kind": "definition",
                    "id": "intended-nasal-air-supply-q01"
                  },
                  {
                    "text": "Is this a nose flute by design, or another flute being played through the nose incidentally?",
                    "kind": "boundary",
                    "id": "intended-nasal-air-supply-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "forms-within-the-entry",
            "name": "Forms within the entry",
            "description": "Records meaningful differences without inventing additional registry entities.",
            "findings": [
              {
                "id": "form-and-name-correspondence",
                "name": "Form and name correspondence",
                "description": "Local names and construction forms require evidenced relationships to the registered umbrella term.",
                "questions": [
                  {
                    "text": "Which physical form does the source call a nose flute, and what local name does it record?",
                    "kind": "provenance",
                    "id": "form-and-name-correspondence-q01"
                  },
                  {
                    "text": "Does the available registry evidence include both tubular and oral-cavity-resonated forms under this entry?",
                    "kind": "boundary",
                    "id": "form-and-name-correspondence-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "airflow-and-sound-generation",
        "name": "Airflow and sound generation",
        "description": "Describes how nasal breath reaches an edge and couples to a resonator.",
        "rationale": "The nasal inlet alone does not explain whether an instrument can sound or why its response has changed.",
        "layers": [
          {
            "id": "inlet-to-sounding-edge",
            "name": "Inlet to sounding edge",
            "description": "Tracks the working air path and its critical geometry.",
            "findings": [
              {
                "id": "air-path-and-edge-alignment",
                "name": "Air path and edge alignment",
                "description": "The model must locate the inlet, any directing channel and the edge involved in sound production.",
                "questions": [
                  {
                    "text": "Where does nasal air enter, and how is it directed toward the sound-producing edge?",
                    "kind": "definition",
                    "id": "air-path-and-edge-alignment-q01"
                  },
                  {
                    "text": "Which observed obstruction, leak or edge deformation could explain weak or absent sound?",
                    "kind": "action",
                    "id": "air-path-and-edge-alignment-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "resonator-coupling",
            "name": "Resonator coupling",
            "description": "Distinguishes resonance supplied by the instrument from resonance supplied by the player.",
            "findings": [
              {
                "id": "resonating-volume",
                "name": "Resonating volume",
                "description": "Acoustic assessment must identify the participating air volume and its connection to the sound source.",
                "questions": [
                  {
                    "text": "Does the principal resonance occur in an instrument tube, the player's oral cavity or another documented arrangement?",
                    "kind": "definition",
                    "id": "resonating-volume-q01"
                  },
                  {
                    "text": "Which dimensions or player cavity adjustments measurably change the sounding pitch?",
                    "kind": "measurement",
                    "id": "resonating-volume-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "playing-interface-and-pitch",
        "name": "Playing interface and pitch",
        "description": "Connects facial placement and hand position to pitch control and usable response.",
        "rationale": "An agent needs form-specific operating knowledge to distinguish an unsuitable playing setup from a defective instrument.",
        "layers": [
          {
            "id": "player-fit-and-placement",
            "name": "Player fit and placement",
            "description": "Records how the instrument meets the nose, mouth and hands.",
            "findings": [
              {
                "id": "working-contact-configuration",
                "name": "Working contact configuration",
                "description": "The playing interface includes alignment, support and any required contact seal.",
                "questions": [
                  {
                    "text": "How are the nasal inlet, nostril and any oral opening aligned in documented use?",
                    "kind": "definition",
                    "id": "working-contact-configuration-q01"
                  },
                  {
                    "text": "What placement or support adjustment is appropriate when the player cannot obtain a stable sound?",
                    "kind": "action",
                    "id": "working-contact-configuration-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "pitch-control-and-response",
            "name": "Pitch control and response",
            "description": "Records the actions that change pitch and the conditions of observed performance.",
            "findings": [
              {
                "id": "demonstrated-pitch-behaviour",
                "name": "Demonstrated pitch behaviour",
                "description": "Range and tuning observations must retain their fingering, cavity-setting and airflow context.",
                "questions": [
                  {
                    "text": "Which finger-hole closures, oral-cavity changes or airflow changes control pitch on this form?",
                    "kind": "action",
                    "id": "demonstrated-pitch-behaviour-q01"
                  },
                  {
                    "text": "What pitches and repeatability were demonstrated, by which player and under what conditions?",
                    "kind": "measurement",
                    "id": "demonstrated-pitch-behaviour-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "construction-condition-and-care",
        "name": "Construction, condition and care",
        "description": "Relates materials and acoustic surfaces to moisture, contact, cleaning and repair.",
        "rationale": "Care can damage narrow air paths, finishes or sounding edges if it ignores the instrument's construction.",
        "layers": [
          {
            "id": "material-and-acoustic-integrity",
            "name": "Material and acoustic integrity",
            "description": "Assesses the body, openings and joins that sustain the intended airflow and resonance.",
            "findings": [
              {
                "id": "construction-dependent-defects",
                "name": "Construction-dependent defects",
                "description": "Inspection must connect a defect's location with its likely relevance to playing and handling.",
                "questions": [
                  {
                    "text": "What materials and finishes form the nasal interface, air path, sounding edge and resonator?",
                    "kind": "definition",
                    "id": "construction-dependent-defects-q01"
                  },
                  {
                    "text": "Do cracks, loose joins or damaged openings interrupt airflow, alter resonance or create rough contact surfaces?",
                    "kind": "measurement",
                    "id": "construction-dependent-defects-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "moisture-and-contact-care",
            "name": "Moisture and contact care",
            "description": "Determines appropriate treatment of surfaces exposed to breath and facial contact.",
            "findings": [
              {
                "id": "compatible-cleaning-and-drying",
                "name": "Compatible cleaning and drying",
                "description": "Care guidance must be supported for the actual materials and reach the relevant contact surfaces.",
                "questions": [
                  {
                    "text": "Which cleaning and drying procedure is supported by the maker, custodian or a relevant conservation source?",
                    "kind": "provenance",
                    "id": "compatible-cleaning-and-drying-q01"
                  },
                  {
                    "text": "Can the nasal inlet and any oral-contact area be cleaned without wetting vulnerable material or disturbing the sounding edge?",
                    "kind": "action",
                    "id": "compatible-cleaning-and-drying-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "cultural-attribution-and-permitted-use",
        "name": "Cultural attribution and permitted use",
        "description": "Connects physical identification with documented names, contexts and handling permissions.",
        "rationale": "A generic instrument label cannot establish cultural identity or whether a particular example should be played.",
        "layers": [
          {
            "id": "attribution-evidence",
            "name": "Attribution evidence",
            "description": "Separates documented cultural relationships from assumptions based on appearance.",
            "findings": [
              {
                "id": "supported-local-identification",
                "name": "Supported local identification",
                "description": "Attributions should retain the naming source and the limits of its claim.",
                "questions": [
                  {
                    "text": "Which maker, community, collection record or research source supports the local name and attribution?",
                    "kind": "provenance",
                    "id": "supported-local-identification-q01"
                  },
                  {
                    "text": "Does that evidence describe this construction form specifically or nose flutes more generally?",
                    "kind": "boundary",
                    "id": "supported-local-identification-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "use-context-and-custody",
            "name": "Use context and custody",
            "description": "Determines whether sounding, demonstration or repair is appropriate for a linked example.",
            "findings": [
              {
                "id": "context-dependent-playing-permission",
                "name": "Context-dependent playing permission",
                "description": "Physical playability and permission to play are separate conditions that require their own evidence.",
                "questions": [
                  {
                    "text": "What documented custodian requirements or cultural protocols govern playing, demonstration or repair of this example?",
                    "kind": "provenance",
                    "id": "context-dependent-playing-permission-q01"
                  },
                  {
                    "text": "Is a sounding test permitted, or should assessment use visual inspection and existing recordings?",
                    "kind": "action",
                    "id": "context-dependent-playing-permission-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "evidence-and-external-alignment",
        "name": "Evidence and external alignment",
        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
        "layers": [
          {
            "id": "reported-evidence",
            "name": "Reported evidence",
            "description": "Findings from the breadth pass, kept separate from the structural claims.",
            "findings": [
              {
                "id": "evidence-confidence-notes",
                "name": "Check these first",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "The unqualified name covers several constructions; confirm whether the registry intends traditional tubular instruments, mouth-cavity-resonated instruments, or both.",
                  "Dimensions, pitch ranges and exact organological classification depend on construction and should be established for a specified regional type.",
                  "Courtship associations and other cultural meanings should be checked for the particular community rather than generalized across nose-flute traditions."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of nose flute this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-kinds",
                "name": "Kinds and varieties",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "End-blown tubular nose flutes",
                  "Transverse tubular nose flutes",
                  "Mouth-cavity-resonated nose flutes"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of nose flute this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-real-world-use",
                "name": "Real-world use",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Solo melodic performance",
                  "Courtship and personal musical expression in some traditional settings",
                  "Cultural education and preservation of traditional instrument-making and performance",
                  "Recreational music-making with manufactured nose flutes"
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of nose flute this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-failure-modes-and-hazards",
                "name": "Failure modes and hazards",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Leaks at the nostril interface or poor alignment with the blowing edge can prevent a stable tone.",
                  "Cracks in bamboo or wooden bodies can cause air leaks and impair tone.",
                  "Blocked blowing apertures or finger holes can interfere with sound production.",
                  "Moisture retention and inadequate cleaning can encourage microbial growth; sharing instruments can transfer nasal secretions."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of nose flute this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-regional-variation",
                "name": "Regional variation",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "The Hawaiian ʻohe hano ihu is a traditional bamboo nose flute.",
                  "Nose-flute traditions occur in parts of Polynesia and Southeast Asia, with differences in construction, fingering and social use.",
                  "Manufactured mouth-cavity-resonated nose flutes use the player's changing mouth shape to control pitch rather than finger holes along a tube."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of nose flute this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-neighbours",
                "name": "Neighbouring kinds and how to tell them apart",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "name": "Flute",
                    "difference": "Nose flute is a narrower category distinguished by nasal rather than oral delivery of the playing air."
                  },
                  {
                    "name": "Nose whistle",
                    "difference": "Usage overlaps: some mouth-cavity-resonated instruments are called both nose whistles and nose flutes, so the name alone does not establish a separate instrument type."
                  },
                  {
                    "name": "Nose-blown reed instrument",
                    "difference": "A reed instrument generates vibration through a reed; a nose flute generates it through an air jet interacting with an edge."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of nose flute this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Does the registry intend nose flute to encompass both tubular instruments and oral-cavity-resonated devices, and which authoritative descriptions establish that boundary?",
    "Which documented local instrument forms require additional characteristics without being split into new registry entries?",
    "What measured ranges, dimensions and response observations are available for identified forms, with sufficient playing context to support comparison?",
    "Which material-specific cleaning, drying and repair procedures are supported for instruments with nasal contact and, where applicable, oral contact?",
    "Which cultural attributions and use protocols can be established from maker, community or collection evidence rather than inferred from appearance?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 16,
    "questions": 26
  }
}
