{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-07T14:09:06Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 31.7,
        "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: 01a07c32-4cb6-7f20-9524-b6388357d3ed\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: iPod\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 546 things:\n# Batch 003: 1001 registered ",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 80.4,
        "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: 01a07c32-4cc4-7171-9400-39fb255ba2ae\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: iPod\nRegistry id: vr.tr.ipod\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext for th"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T11:00:00Z",
      "ingestedAt": "2026-10-06T08:05:10+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners",
        "visual_identification"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-07T11:41:53+00:00",
        "engine": "codex",
        "fields": [
          "agent_conduct"
        ],
        "answering_review": "d2d7a441b32c492dd0ee94f6b8bb120949fe2358abcec6a7577d50ea65d94d1d"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:35+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q9479",
    "registryId": "vr.tr.ipod",
    "name": "iPod",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q9479/",
  "model": {
    "registry_id": "vr.tr.ipod",
    "name": "iPod",
    "purpose": "Enable an agent to identify an iPod, assess its playback and hardware state, and determine compatible, safe actions for loading, listening, charging, and maintenance.",
    "definition": "The iPod is Apple's family of battery-powered portable digital media players that store and reproduce audio, with video playback, wireless networking and application support available on some models.",
    "scope_statement": "This model covers iPod as an Apple portable media-device kind, with family and generation distinctions that determine the capabilities and constraints of individual units.",
    "in_scope": [
      "Family, generation, and hardware identification across iPod product variants",
      "Local media storage, transfer, organization, and playback capabilities",
      "Physical controls, displays, audio outputs, and supported accessories",
      "Battery, charging, storage, and connector condition",
      "Device software, synchronization dependencies, and recovery options"
    ],
    "out_of_scope": [
      "Apple as a company and its broader product strategy",
      "iPhone and other portable media-player kinds",
      "Music recordings, podcasts, and other content as creative works",
      "Host computers, media-management applications, and online services as independent systems",
      "Headphones, docks, and cables as independently modeled accessories",
      "Product pricing, sales history, and collector valuation"
    ],
    "distinguishing_features": [
      "Identification evidence establishes an Apple iPod family and generation; an Apple logo or similar enclosure alone is insufficient.",
      "The device belongs to the iPod product kind rather than an iPhone, even where touchscreen interfaces and media functions overlap.",
      "Its media storage and playback functions distinguish the device from a passive headphone accessory or speaker dock.",
      "Control layout, display presence, connector type, and reported identifiers agree with the claimed variant; no single control style defines every iPod.",
      "A specific unit's measured condition is kept separate from the capabilities attributed to its family and generation."
    ],
    "characteristics": [
      {
        "name": "Family and generation",
        "kind": "category",
        "unit_or_values": "iPod/classic, mini, nano, shuffle, touch; generation and identification confidence",
        "why_it_matters": "Determines which operating, compatibility, and repair expectations apply."
      },
      {
        "name": "Hardware identification evidence",
        "kind": "relation",
        "unit_or_values": "Observed model identifiers, enclosure markings, software reports, and corresponding identification references",
        "why_it_matters": "Supports identification when appearance, replaced parts, or seller descriptions are ambiguous."
      },
      {
        "name": "Storage medium and modification status",
        "kind": "category",
        "unit_or_values": "Hard disk, flash storage, replacement configuration, or unknown",
        "why_it_matters": "Changes failure diagnosis, capacity interpretation, and recovery options."
      },
      {
        "name": "Usable and available storage",
        "kind": "measurement",
        "unit_or_values": "GB with decimal or binary basis recorded",
        "why_it_matters": "Determines whether a proposed media transfer will fit."
      },
      {
        "name": "Control and display configuration",
        "kind": "category",
        "unit_or_values": "Observed wheel, buttons, touchscreen, hold control, display, or display absence",
        "why_it_matters": "Determines how an agent or user can operate and inspect the unit."
      },
      {
        "name": "Connector and accessory compatibility",
        "kind": "relation",
        "unit_or_values": "Identified charging, data, and audio interfaces linked to verified compatible cables, hosts, and accessories",
        "why_it_matters": "Physical fit alone does not establish charging, synchronization, or audio compatibility."
      },
      {
        "name": "Software and host relationship",
        "kind": "relation",
        "unit_or_values": "Installed firmware or operating-system version; compatible host software; library and account associations where applicable",
        "why_it_matters": "Constrains transfer, restoration, application use, and access to existing content."
      },
      {
        "name": "Media compatibility",
        "kind": "category",
        "unit_or_values": "Verified container, codec, encoding limits, and authorization requirements for the identified variant",
        "why_it_matters": "Determines whether content can be loaded and played successfully."
      },
      {
        "name": "Battery runtime",
        "kind": "measurement",
        "unit_or_values": "Hours under a recorded playback, volume, display, and connectivity test",
        "why_it_matters": "Supports practical use decisions without equating current runtime with an original specification."
      },
      {
        "name": "Operational and physical condition",
        "kind": "state",
        "unit_or_values": "Playback, controls, display, outputs, storage, charging, enclosure, and battery symptoms assessed separately",
        "why_it_matters": "Distinguishes usable functions from faults and conditions requiring suspension of use."
      }
    ],
    "affordances": [
      "Identify the family and generation using multiple independent observations.",
      "Select and verify a compatible charging, synchronization, or audio connection.",
      "Prepare and transfer supported media after checking capacity and synchronization effects.",
      "Operate and test playback using the controls available on the identified variant.",
      "Diagnose battery, storage, control, connector, and audio faults through non-destructive checks.",
      "Plan backup, restoration, repair, or retirement according to data ownership, condition, and available support."
    ],
    "agent_conduct": {
      "may": [
        "Play, sync and manage media on a player its owner has authorized it to use.",
        "Report battery health and storage state to its owner."
      ],
      "must_not": [
        "Copy or share media from a player beyond the owner's licence.",
        "Read or copy personal files and playlists without the owner's consent.",
        "Charge a player with a swollen or damaged battery.",
        "Play audio at levels that risk the listener's hearing, even if a warning is given."
      ],
      "requires_human": [
        "Wiping or reselling a player that may hold personal data."
      ]
    },
    "ethics": {
      "considerations": [
        "Old players hold personal data and memories that deserve care at disposal.",
        "Long listening at high volume harms young people's hearing."
      ],
      "affected_parties": [
        "The owner",
        "Young listeners",
        "Workers in electronic waste recycling"
      ]
    },
    "owners": {
      "steward": "The person who owns it.",
      "master_systems": []
    },
    "visual_identification": [
      "A small handheld player with a screen and earphone socket.",
      "A click wheel, buttons or a touchscreen on the front.",
      "Earphones and a cable for charging and syncing."
    ],
    "failure_modes_and_hazards": [
      "Battery swelling, overheating or fire.",
      "Hearing damage from high volume.",
      "Toxic materials if discarded as ordinary waste."
    ],
    "what_it_is_for": [
      "These portable players are used for personal listening to stored music, audiobooks and other audio recordings.",
      "Some models also support video playback, wireless networking and applications.",
      "They are encountered in personal collections, resale and repair, where generation and hardware configuration determine compatibility."
    ],
    "standards_and_regulation": [
      "Title 47 CFR Part 15, issued by the United States Federal Communications Commission, regulates radio-frequency emissions from digital devices and applicable wireless transmitters.",
      "Directive 2011/65/EU, issued by the European Parliament and the Council of the European Union, restricts hazardous substances in electrical and electronic equipment placed on the EU market within its scope."
    ]
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q9479: iPod",
      "url": "https://www.wikidata.org/wiki/Q9479",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: IPod",
      "url": "https://en.wikipedia.org/wiki/IPod",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "ipod-identity-and-variant",
        "name": "iPod identity and variant",
        "description": "Establishes which iPod variant is represented and which evidence supports that identification.",
        "rationale": "The iPod name spans substantially different hardware and interaction designs, so capabilities cannot be assigned from the name alone.",
        "layers": [
          {
            "id": "family-and-generation",
            "name": "Family and generation",
            "description": "Resolves the product variant without treating each generation as a separate registered thing.",
            "findings": [
              {
                "id": "variant-identification-evidence",
                "name": "Variant identification evidence",
                "description": "Record the identifiers and observable features needed to establish family and generation.",
                "questions": [
                  {
                    "text": "Which model markings, software identifiers, control layout, and connector observations establish this iPod's family and generation?",
                    "kind": "definition",
                    "id": "variant-identification-evidence-q01"
                  },
                  {
                    "text": "Which authoritative identification reference was consulted, and do any observations conflict with it?",
                    "kind": "provenance",
                    "id": "variant-identification-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "kind-unit-and-modification",
            "name": "Kind, unit, and modification",
            "description": "Separates variant expectations from an individual unit's history and altered configuration.",
            "findings": [
              {
                "id": "original-versus-observed-configuration",
                "name": "Original versus observed configuration",
                "description": "Record replacements and modifications that could invalidate assumptions based on the original product.",
                "questions": [
                  {
                    "text": "Which properties describe the iPod variant, and which describe only this unit?",
                    "kind": "boundary",
                    "id": "original-versus-observed-configuration-q01"
                  },
                  {
                    "text": "Is there evidence of replaced storage, battery, enclosure, or firmware, and how does it affect identification confidence?",
                    "kind": "provenance",
                    "id": "original-versus-observed-configuration-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "media-storage-and-playback",
        "name": "Media storage and playback",
        "description": "Describes how the identified iPod stores, organizes, and reproduces media.",
        "rationale": "Available capacity alone does not establish whether a media collection can be transferred, indexed, authorized, and played.",
        "layers": [
          {
            "id": "storage-and-library",
            "name": "Storage and library",
            "description": "Assesses the storage configuration and the usable media library.",
            "findings": [
              {
                "id": "library-capacity-and-integrity",
                "name": "Library capacity and integrity",
                "description": "Record available storage and whether indexed content remains accessible.",
                "questions": [
                  {
                    "text": "What storage medium, usable capacity, and free capacity are observed, including any replacement storage?",
                    "kind": "measurement",
                    "id": "library-capacity-and-integrity-q01"
                  },
                  {
                    "text": "Can the iPod browse and play its indexed tracks, and are missing items, read errors, or library inconsistencies observed?",
                    "kind": "measurement",
                    "id": "library-capacity-and-integrity-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "playback-capabilities",
            "name": "Playback capabilities",
            "description": "Distinguishes supported media types from content that is merely present on the device.",
            "findings": [
              {
                "id": "playable-media-and-entitlements",
                "name": "Playable media and entitlements",
                "description": "Record variant-specific playback limits and any content authorization dependencies.",
                "questions": [
                  {
                    "text": "Which audio, video, and other media formats and encoding limits are documented for this hardware and software combination?",
                    "kind": "definition",
                    "id": "playable-media-and-entitlements-q01"
                  },
                  {
                    "text": "Does representative content play successfully, and do any failures arise from encoding, corruption, or authorization requirements?",
                    "kind": "measurement",
                    "id": "playable-media-and-entitlements-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "controls-and-listening-paths",
        "name": "Controls and listening paths",
        "description": "Captures how playback is controlled and how sound reaches the listener.",
        "rationale": "Screenless, wheel-operated, and touchscreen iPods require different operation and diagnosis procedures.",
        "layers": [
          {
            "id": "local-operation",
            "name": "Local operation",
            "description": "Maps the available controls and feedback to practical playback actions.",
            "findings": [
              {
                "id": "navigation-and-control-state",
                "name": "Navigation and control state",
                "description": "Record working controls, feedback channels, and conditions that prevent input.",
                "questions": [
                  {
                    "text": "How does this variant select content, start or pause playback, change volume, and report its current state?",
                    "kind": "action",
                    "id": "navigation-and-control-state-q01"
                  },
                  {
                    "text": "Are unresponsive controls explained by a hold or lock state, an accessory dependency, or an observed hardware fault?",
                    "kind": "measurement",
                    "id": "navigation-and-control-state-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "audio-and-accessories",
            "name": "Audio and accessories",
            "description": "Establishes supported listening routes and accessory behavior.",
            "findings": [
              {
                "id": "verified-audio-route",
                "name": "Verified audio route",
                "description": "Record which outputs and connected accessories deliver controllable, intelligible audio.",
                "questions": [
                  {
                    "text": "Which wired, dock, built-in, or wireless audio routes are supported by this specific variant?",
                    "kind": "definition",
                    "id": "verified-audio-route-q01"
                  },
                  {
                    "text": "With a known compatible accessory, do both audio channels, volume adjustment, and any supported remote controls work?",
                    "kind": "measurement",
                    "id": "verified-audio-route-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "host-transfer-and-recovery",
        "name": "Host transfer and recovery",
        "description": "Models the relationship between the iPod, its host software, and its existing content.",
        "rationale": "Synchronization and restoration can depend on legacy compatibility and can change or erase an existing library.",
        "layers": [
          {
            "id": "connection-and-synchronization",
            "name": "Connection and synchronization",
            "description": "Determines whether a host can recognize the device and transfer content with understood consequences.",
            "findings": [
              {
                "id": "compatible-transfer-workflow",
                "name": "Compatible transfer workflow",
                "description": "Record the verified host, cable, software, and library settings for a proposed transfer.",
                "questions": [
                  {
                    "text": "Which host operating system, media-management software, and cable recognize this iPod and support the intended transfer?",
                    "kind": "action",
                    "id": "compatible-transfer-workflow-q01"
                  },
                  {
                    "text": "Will the selected synchronization mode preserve, replace, or remove existing content, and who has authorized those changes?",
                    "kind": "action",
                    "id": "compatible-transfer-workflow-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "software-state-and-restoration",
            "name": "Software state and restoration",
            "description": "Separates routine restart from procedures that replace software or erase data.",
            "findings": [
              {
                "id": "recoverability-and-data-preservation",
                "name": "Recoverability and data preservation",
                "description": "Record software state and supported recovery paths before attempting restoration.",
                "questions": [
                  {
                    "text": "What firmware or operating-system version is installed, and what normal, diagnostic, or recovery state is observable?",
                    "kind": "measurement",
                    "id": "recoverability-and-data-preservation-q01"
                  },
                  {
                    "text": "Which documented recovery procedure applies, what will it erase, and what content or settings can be preserved beforehand?",
                    "kind": "action",
                    "id": "recoverability-and-data-preservation-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "power-condition-and-service",
        "name": "Power, condition, and service",
        "description": "Assesses charging, runtime, physical deterioration, and feasible maintenance.",
        "rationale": "An iPod's suitability for continued use depends on its current battery and component condition as well as its original capabilities.",
        "layers": [
          {
            "id": "battery-and-charging",
            "name": "Battery and charging",
            "description": "Establishes a compatible power path and observes battery performance and warning signs.",
            "findings": [
              {
                "id": "charging-and-runtime-evidence",
                "name": "Charging and runtime evidence",
                "description": "Record charging requirements, actual charging behavior, and runtime under stated conditions.",
                "questions": [
                  {
                    "text": "Which documented cable and power-source requirements apply to this generation, including any distinction between data and charging compatibility?",
                    "kind": "definition",
                    "id": "charging-and-runtime-evidence-q01"
                  },
                  {
                    "text": "What charging behavior and playback runtime are measured, and is there swelling, enclosure separation, unusual heat, or other evidence requiring use to stop?",
                    "kind": "measurement",
                    "id": "charging-and-runtime-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "faults-repair-and-retirement",
            "name": "Faults, repair, and retirement",
            "description": "Connects observed faults to variant-appropriate service and end-of-use decisions.",
            "findings": [
              {
                "id": "service-decision-and-constraints",
                "name": "Service decision and constraints",
                "description": "Record diagnostic evidence, repair feasibility, and applicable handling requirements.",
                "questions": [
                  {
                    "text": "Which non-destructive checks distinguish storage failure, battery deterioration, connector damage, and control or audio faults on this variant?",
                    "kind": "action",
                    "id": "service-decision-and-constraints-q01"
                  },
                  {
                    "text": "Which documented service procedures, replacement-part constraints, safety guidance, and market-specific conformity or disposal requirements govern the proposed action?",
                    "kind": "provenance",
                    "id": "service-decision-and-constraints-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": [
                  "This describes the iPod product family, not a particular generation or physical unit.",
                  "Controls, storage technology, connectors, media formats and wireless features vary substantially by model; verify these against the specific generation.",
                  "Capacity and mass figures summarize the family approximately; regulatory applicability, battery runtime and regional volume behaviour require model-specific checking."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of iPod 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": [
                  "Original iPod and iPod classic",
                  "iPod mini",
                  "iPod nano",
                  "iPod shuffle",
                  "iPod touch"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of iPod this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-identifiers",
                "name": "Identifiers and schemes",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "scheme": "Apple model number",
                    "value_or_pattern": "A followed by four digits",
                    "note": "Identifies hardware models; generation, capacity and market may require additional information."
                  },
                  {
                    "scheme": "Apple serial number",
                    "value_or_pattern": "Alphanumeric identifier",
                    "note": "Identifies an individual device; format varies by production period."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of iPod this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-standards-and-regulation",
                "name": "Standards and regulation",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "USB specifications issued by the USB Implementers Forum apply to USB-equipped models; connectors and supported versions vary.",
                  "FCC rules, including Part 15, govern applicable digital-device emissions and radio operation for models marketed in the United States."
                ],
                "questions": [
                  {
                    "id": "evidence-standards-and-regulation-q01",
                    "text": "Which of these standards and regulation hold for the sense of iPod 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": [
                  "Portable listening to stored music, podcasts and audiobooks.",
                  "Playback through compatible car stereos, docks and external speakers.",
                  "Photo viewing and video playback on supporting models.",
                  "Games, applications and internet access on iPod touch.",
                  "Exercise listening using compact models such as shuffle and nano."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of iPod 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": "Advertised storage capacity across the family",
                    "typical_range": "512 MB to 256 GB",
                    "unit": "MB and GB"
                  },
                  {
                    "quantity": "Device mass",
                    "typical_range": "Approximately 10-200",
                    "unit": "g"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of iPod 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": [
                  "Rechargeable lithium-ion battery ageing reduces runtime; damaged or swollen batteries can present a fire hazard.",
                  "Hard-drive models can suffer mechanical failure or damage from impacts.",
                  "Flash-memory, filesystem or synchronization failures can make stored media inaccessible.",
                  "Wear or contamination can impair headphone sockets, charging connectors, buttons and click wheels.",
                  "Prolonged listening at excessive sound levels can damage hearing."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of iPod 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": [
                  "Headphone output limits and volume-warning behaviour can differ by market and software version.",
                  "Wireless approvals and regulatory markings vary by sales region.",
                  "Store content and online-service availability vary by country."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of iPod 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": "Portable digital audio player",
                    "difference": "The broader device category includes products from many manufacturers; iPod denotes Apple's particular product family."
                  },
                  {
                    "name": "iPhone",
                    "difference": "An iPhone includes cellular telephone capability; iPod touch provides overlapping media and application functions without cellular telephony."
                  },
                  {
                    "name": "Portable CD player",
                    "difference": "A portable CD player reads removable optical discs; an iPod plays media stored in internal electronic or magnetic storage."
                  },
                  {
                    "name": "Individual iPod unit",
                    "difference": "A unit has a serial number and a particular condition and history; this entry describes the product family."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of iPod this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Which authoritative references establish the complete family and generation map, including identification ambiguities caused by replacement enclosures or modified hardware?",
    "What are the verified capacity, dimensions, media limits, charging requirements, and accessory capabilities for each covered variant?",
    "Which host-software, restoration, account, and content-authorization workflows remain usable for each variant at the time of assessment?",
    "Which generation-specific failure patterns and repair procedures are supported by reliable service evidence, particularly for battery and storage replacements?",
    "Which safety standards, issuing bodies, conformity marks, and disposal requirements apply by model and destination market?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 19,
    "questions": 29
  }
}
