{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T11:32:07Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 21.5,
        "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: 01a09562-8b2f-78e2-bb60-8b26aceccf7d\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: Native American 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",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 69.0,
        "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: 01a09562-8b34-7642-97e2-585f9fa1a693\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Native American flute\nRegistry id: vr.tr.native-american-flute\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into t"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:54:24+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners",
        "standards_and_regulation",
        "visual_identification"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:29+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q279879",
    "registryId": "vr.tr.native-american-flute",
    "name": "Native American flute",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q279879/",
  "model": {
    "registry_id": "vr.tr.native-american-flute",
    "name": "Native American flute",
    "purpose": "Enable an agent to recognize a Native American flute, assess its musical and physical readiness, and select appropriate playing, care, or attribution actions.",
    "definition": "The Native American flute is an end-blown duct flute associated with Indigenous peoples of North America, typically having a breath chamber separated from a finger-holed sound chamber and an external block that directs air toward a sound-producing edge.",
    "scope_statement": "This model owns the instrument kind registered as vr.tr.native-american-flute in PHY / PHY.OBJ, including its construction, acoustic behavior, playability, condition, and evidenced cultural attribution; individual instruments supply observations rather than define the kind.",
    "in_scope": [
      "Two-chamber airflow architecture and documented construction variants",
      "Sound-producing assembly, finger holes, and any auxiliary bores",
      "Measured tuning, fingering behavior, breath response, and player fit",
      "Materials, moisture condition, maintenance compatibility, and repair needs",
      "Instrument-specific maker attribution, terminology, and use protocols"
    ],
    "out_of_scope": [
      "Indigenous American wind instruments as a whole",
      "Recorder, quena, panpipe, and transverse-flute models",
      "Compositions, recordings, and performance events",
      "Peoples, cultural traditions, and ceremonies as independently modeled subjects",
      "Maker biographies, commercial product lines, and ownership transactions"
    ],
    "distinguishing_features": [
      "Trace a separate breath reservoir and resonating chamber connected through a sound-producing air channel; a name or decorative motif alone does not establish membership.",
      "Inspect how the air channel is covered, commonly by an external block; record alternative arrangements rather than making a removable wooden block mandatory. Construction reference: [National Flute Association anatomy guide](https://www.nfaonline.org/docs/default-source/committees-documents/global-flutes-committee/native-american-flute-care.pdf?sfvrsn=76ae1c37_2).",
      "Distinguish the guided airstream mechanism from instruments on which the player directs breath directly against an exposed rim or notch.",
      "Treat tuning and finger-hole count as variant evidence, not sufficient identification tests.",
      "Distinguish membership in the instrument family from a claim that a particular maker or object has Indigenous provenance."
    ],
    "characteristics": [
      {
        "name": "Airflow architecture",
        "kind": "category",
        "unit_or_values": "Separate reservoir and resonating chamber; documented variant; unresolved",
        "why_it_matters": "Provides construction evidence for classification."
      },
      {
        "name": "Air-channel covering",
        "kind": "category",
        "unit_or_values": "Removable block; fixed block; alternative covering; unresolved",
        "why_it_matters": "Determines which inspection and adjustment actions are possible."
      },
      {
        "name": "Bore configuration",
        "kind": "category",
        "unit_or_values": "Single sounding bore; multiple sounding bores with individually recorded roles; unresolved",
        "why_it_matters": "Prevents treating a drone or additional melody bore as an ordinary finger hole."
      },
      {
        "name": "Finger-hole geometry",
        "kind": "measurement",
        "unit_or_values": "Count; hole diameters and center positions in mm",
        "why_it_matters": "Supports fingering identification and assessment of reach and sealing."
      },
      {
        "name": "All-covered sounding pitch",
        "kind": "measurement",
        "unit_or_values": "Hz, with fingering, breath condition, and temperature in °C",
        "why_it_matters": "Replaces ambiguous key labels with a repeatable acoustic observation."
      },
      {
        "name": "Fingering-to-pitch map",
        "kind": "relation",
        "unit_or_values": "Instrument-specific fingerings linked to measured pitches and register",
        "why_it_matters": "Establishes usable notes without assuming a universal scale."
      },
      {
        "name": "Pitch deviation",
        "kind": "measurement",
        "unit_or_values": "Cents relative to an explicitly selected tuning reference",
        "why_it_matters": "Separates measurement from judgments about the intended tuning."
      },
      {
        "name": "Playing response",
        "kind": "state",
        "unit_or_values": "Stable; weak onset; intermittent; unintended register change; silent; untested",
        "why_it_matters": "Guides diagnosis before alteration is considered."
      },
      {
        "name": "Material and finish identification",
        "kind": "category",
        "unit_or_values": "Named body, block, adhesive, and finish materials; evidence and unknowns recorded separately",
        "why_it_matters": "Constrains cleaning, moisture management, and repair choices."
      },
      {
        "name": "Moisture and structural condition",
        "kind": "state",
        "unit_or_values": "Dry; condensation present; obstructed; cracked; loose joint; suspected contamination; unassessed",
        "why_it_matters": "Supports decisions to play, dry, inspect, or refer for repair."
      },
      {
        "name": "Attribution evidence",
        "kind": "relation",
        "unit_or_values": "Instrument linked to maker, community attribution, documentation, and confidence",
        "why_it_matters": "Keeps cultural and maker claims distinct from physical resemblance."
      }
    ],
    "affordances": [
      "Classify an instrument from its airflow path and documented construction.",
      "Build a fingering and tuning profile under recorded playing conditions.",
      "Assess whether a player can reach and seal the holes comfortably.",
      "Diagnose weak or interrupted sound through reversible inspections.",
      "Select maker-compatible drying, cleaning, storage, or repair actions.",
      "Present attribution and use guidance with its evidence and unresolved limits."
    ],
    "agent_conduct": {
      "may": [
        "Describe the Native American flute and its history from sources that include Indigenous voices.",
        "Help a user learn to play or care for one they own."
      ],
      "must_not": [
        "Sell or describe a flute as Indian-made or made by a tribal member when it is not.",
        "Present sacred songs or ceremonial uses as entertainment against the wishes of the communities that hold them.",
        "Attribute a flute or song to a named nation or maker without evidence."
      ],
      "requires_human": [
        "Using tribal names, designs or ceremonial content in a product or performance."
      ]
    },
    "ethics": {
      "considerations": [
        "False claims of Indigenous origin take income and recognition from Native makers.",
        "Some songs and uses belong to communities and are not for general use."
      ],
      "affected_parties": [
        "Native American makers and communities",
        "Buyers",
        "Players"
      ]
    },
    "owners": {
      "steward": "The person who owns and plays it.",
      "master_systems": []
    },
    "visual_identification": [
      "A wooden end-blown flute with a small block tied on top over the sound hole.",
      "Usually five or six finger holes and often carved or decorated."
    ],
    "failure_modes_and_hazards": [
      "False origin claims harm Native makers and mislead buyers."
    ],
    "standards_and_regulation": [
      "Indian Arts and Crafts Act of 1990, United States, enforced with the Indian Arts and Crafts Board."
    ],
    "what_it_is_for": [
      "The Native American flute is encountered in solo music, ensemble performance, instrument teaching and cultural collections.",
      "Its cultural uses and meanings vary among Indigenous communities and individual makers, so attribution should follow the instrument's documented origin."
    ]
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q279879: Native American flute",
      "url": "https://www.wikidata.org/wiki/Q279879",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Native American flute",
      "url": "https://en.wikipedia.org/wiki/Native_American_flute",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "identity-and-attribution",
        "name": "Identity and attribution",
        "description": "Determine what the instrument is and what its name legitimately communicates.",
        "rationale": "Construction, commercial naming, and cultural provenance require separate evidence.",
        "layers": [
          {
            "id": "instrument-family-boundary",
            "name": "Instrument family boundary",
            "description": "Establish membership using construction and documented variants.",
            "findings": [
              {
                "id": "construction-based-identification",
                "name": "Construction-based identification",
                "description": "Record the observed air path and explain how it supports or complicates classification.",
                "questions": [
                  {
                    "text": "What observed chamber and air-channel arrangement supports identification as a Native American flute?",
                    "kind": "definition",
                    "id": "construction-based-identification-q01"
                  },
                  {
                    "text": "Does the instrument represent a documented variant or a neighboring flute family?",
                    "kind": "boundary",
                    "id": "construction-based-identification-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "attribution-and-context",
            "name": "Attribution and context",
            "description": "Connect instrument-specific claims and protocols to identifiable evidence.",
            "findings": [
              {
                "id": "supported-cultural-description",
                "name": "Supported cultural description",
                "description": "Keep maker identity, community attribution, and use restrictions independently evidenced.",
                "questions": [
                  {
                    "text": "Who supplied the maker and community attribution, and what documentation supports it?",
                    "kind": "provenance",
                    "id": "supported-cultural-description-q01"
                  },
                  {
                    "text": "What instrument-specific guidance from the maker, custodian, or relevant community governs playing, display, or description?",
                    "kind": "action",
                    "id": "supported-cultural-description-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "air-path-and-voicing",
        "name": "Air path and voicing",
        "description": "Represent the functional relationship between breath entry, chambers, channel, and sounding edge.",
        "rationale": "Sound faults cannot be diagnosed reliably from the exterior silhouette.",
        "layers": [
          {
            "id": "chambers-and-passages",
            "name": "Chambers and passages",
            "description": "Describe chamber separation and intended airflow connections.",
            "findings": [
              {
                "id": "air-path-continuity",
                "name": "Air-path continuity",
                "description": "Map breath entry, reservoir, channel, and resonating bore, including suspected leaks or obstructions.",
                "questions": [
                  {
                    "text": "How does breath reach the sounding edge from the mouthpiece?",
                    "kind": "definition",
                    "id": "air-path-continuity-q01"
                  },
                  {
                    "text": "Which accessible passages, joints, or chamber boundaries show obstruction or leakage?",
                    "kind": "measurement",
                    "id": "air-path-continuity-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "block-and-sounding-edge",
            "name": "Block and sounding edge",
            "description": "Record the fitted components that establish the sounding airstream.",
            "findings": [
              {
                "id": "voicing-assembly-fit",
                "name": "Voicing assembly fit",
                "description": "Treat block, covering, spacer, and edge as a fitted assembly whose permitted adjustments must be established.",
                "questions": [
                  {
                    "text": "What locates and secures the covering, and is its current position documented?",
                    "kind": "measurement",
                    "id": "voicing-assembly-fit-q01"
                  },
                  {
                    "text": "Which adjustments does the maker permit before specialist revoicing is required?",
                    "kind": "action",
                    "id": "voicing-assembly-fit-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "tuning-and-player-interface",
        "name": "Tuning and player interface",
        "description": "Establish the instrument's actual note behavior and its fit to a player.",
        "rationale": "A key label alone cannot establish fingering compatibility, intonation, or comfortable playability.",
        "layers": [
          {
            "id": "pitch-and-fingering",
            "name": "Pitch and fingering",
            "description": "Connect repeatable fingerings to measured pitches and intended tuning.",
            "findings": [
              {
                "id": "measured-note-map",
                "name": "Measured note map",
                "description": "Document available notes without presuming minor pentatonic tuning or equal temperament.",
                "questions": [
                  {
                    "text": "What pitches result from the documented fingerings under recorded breath and temperature conditions?",
                    "kind": "measurement",
                    "id": "measured-note-map-q01"
                  },
                  {
                    "text": "What maker or tradition-specific evidence establishes the intended scale and tuning reference?",
                    "kind": "provenance",
                    "id": "measured-note-map-q02"
                  },
                  {
                    "text": "If additional bores are present, which sound independently and which supply a drone?",
                    "kind": "definition",
                    "id": "measured-note-map-q03"
                  }
                ]
              }
            ]
          },
          {
            "id": "reach-and-breath-control",
            "name": "Reach and breath control",
            "description": "Assess the relationship between hole geometry, posture, sealing, and breath response.",
            "findings": [
              {
                "id": "player-instrument-fit",
                "name": "Player-instrument fit",
                "description": "Evaluate playability for an identified player rather than assigning a universal difficulty rating.",
                "questions": [
                  {
                    "text": "Can the player seal the required holes while maintaining a comfortable hand and mouth position?",
                    "kind": "measurement",
                    "id": "player-instrument-fit-q01"
                  },
                  {
                    "text": "What breath changes produce stable notes, pitch drift, or unintended register changes?",
                    "kind": "measurement",
                    "id": "player-instrument-fit-q02"
                  },
                  {
                    "text": "Would an alternative fingering or a differently sized instrument resolve the observed difficulty?",
                    "kind": "action",
                    "id": "player-instrument-fit-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "condition-and-care",
        "name": "Condition and care",
        "description": "Connect observed sound and material condition to suitable interventions.",
        "rationale": "Moisture-sensitive passages and fitted voicing components require instrument-specific care.",
        "layers": [
          {
            "id": "moisture-and-sound-faults",
            "name": "Moisture and sound faults",
            "description": "Distinguish temporary playing-condition faults from persistent damage.",
            "findings": [
              {
                "id": "wet-out-assessment",
                "name": "Wet-out assessment",
                "description": "Condensation can interrupt airflow and sound; document drying response before diagnosing permanent damage. Reference: [National Flute Association care guide](https://www.nfaonline.org/docs/default-source/committees-documents/global-flutes-committee/native-american-flute-care.pdf?sfvrsn=76ae1c37_2).",
                "questions": [
                  {
                    "text": "Does sound deteriorate during playing, and is condensation visible in accessible passages?",
                    "kind": "measurement",
                    "id": "wet-out-assessment-q01"
                  },
                  {
                    "text": "Does maker-approved drying restore response, or do cracks, leakage, or misalignment remain?",
                    "kind": "action",
                    "id": "wet-out-assessment-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "compatible-maintenance",
            "name": "Compatible maintenance",
            "description": "Determine suitable treatment from materials, finish, assembly, and custodial requirements.",
            "findings": [
              {
                "id": "care-and-repair-limits",
                "name": "Care and repair limits",
                "description": "Establish compatible cleaning and repair methods before applying substances or changing fitted surfaces.",
                "questions": [
                  {
                    "text": "What maker documentation identifies the finish and approved cleaning, drying, and storage methods?",
                    "kind": "provenance",
                    "id": "care-and-repair-limits-q01"
                  },
                  {
                    "text": "Which observed defects require a flute maker or conservator rather than routine player maintenance?",
                    "kind": "action",
                    "id": "care-and-repair-limits-q02"
                  },
                  {
                    "text": "Would sanding, oiling, replacing a block, or enlarging a hole alter original voicing or historical evidence?",
                    "kind": "boundary",
                    "id": "care-and-repair-limits-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "evidence-and-external-alignment",
        "name": "Evidence and external alignment",
        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
        "layers": [
          {
            "id": "reported-evidence",
            "name": "Reported evidence",
            "description": "Findings from the breadth pass, kept separate from the structural claims.",
            "findings": [
              {
                "id": "evidence-confidence-notes",
                "name": "Check these first",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "This description uses the common organological sense of Native American flute, not every flute used by Indigenous North American peoples.",
                  "Historical uses and cultural protocols require community-specific verification; courtship associations should not be generalized to all nations.",
                  "Five- and six-hole layouts are common, but dimensions, tuning, range and fingering are not universal; contemporary minor-pentatonic tuning should not be projected onto every historical instrument."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of Native American 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": [
                  "Five-hole flutes",
                  "Six-hole flutes",
                  "Drone flutes with an additional sounding bore",
                  "Contemporary bass flutes"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of Native American 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 music-making and personal expression",
                  "Courtship in some historically documented community traditions",
                  "Contemporary concert performance and recording",
                  "Teaching breath control, fingering and musical improvisation"
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of Native American flute this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-measurements",
                "name": "Typical measurements",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "quantity": "Finger holes on the melody bore",
                    "typical_range": "5-6",
                    "unit": "holes"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of Native American 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": [
                  "Condensation can obstruct the air passage and interrupt or distort the tone.",
                  "A displaced or poorly fitted external block can cause air leakage or prevent reliable sounding.",
                  "Wood can crack or warp through unsuitable humidity, rapid environmental changes or physical damage.",
                  "Incomplete finger-hole coverage can produce unintended pitches or unstable notes.",
                  "Excessive breath pressure can cause overblowing or an unintended register change."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of Native American 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": [
                  "Construction, names, repertoire and cultural meanings differ among Indigenous nations; this label does not identify one uniform tradition.",
                  "Plains and Woodlands are labels encountered in descriptions of flute traditions and construction, but their technical boundaries are not universally consistent.",
                  "Contemporary instruments made internationally may adopt this construction without belonging to a particular Indigenous community tradition."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of Native American 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": "Recorder",
                    "difference": "Both use a duct and sounding edge, but a recorder normally has an internal windway in its headjoint rather than the characteristic separate breath chamber and external block."
                  },
                  {
                    "name": "Rim-blown flute",
                    "difference": "The player directs air against the rim with the lips; the Native American flute uses a duct to direct the air."
                  },
                  {
                    "name": "Other Indigenous North American flutes",
                    "difference": "This broader category includes instruments with different sound-production mechanisms; Indigenous origin alone does not establish the two-chamber duct-flute construction."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Native American flute this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "With no registry definition recorded, does this entry include finger-covered, bandage-covered, and multiple-bore variants, and what evidence establishes each boundary?",
    "Which Indigenous-authored or community-approved sources should anchor regional terminology and distinctions obscured by the broad English name?",
    "How should Native American-style instruments without documented Indigenous maker provenance be described within this registry?",
    "What measured ranges of bore geometry, hole spacing, breath response, and tuning are supported across documented examples rather than individual commercial products?",
    "Which makers or custodians provide sufficiently specific care instructions to establish material-compatible treatments and instrument-specific use limits?"
  ],
  "statistics": {
    "bundles": 5,
    "layers": 9,
    "findings": 15,
    "questions": 26
  }
}
