{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T11:39:44Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 22.5,
        "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: 01a09569-6c4a-7182-adb0-adba26808226\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: Nokia 8850\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": 75.4,
        "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: 01a09569-6c58-7861-8a1c-438aeb53ab07\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Nokia 8850\nRegistry id: vr.tr.nokia-8850\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": "2026-10-06T08:51:00+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-Q2555986",
    "registryId": "vr.tr.nokia-8850",
    "name": "Nokia 8850",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q2555986/",
  "model": {
    "registry_id": "vr.tr.nokia-8850",
    "name": "Nokia 8850",
    "purpose": "Enable an agent to identify a Nokia 8850, assess a specimen's condition and service compatibility, and choose appropriate operation, preservation or repair actions.",
    "definition": "The Nokia 8850 is a Nokia mobile-phone model introduced in 1999, designed for GSM 900/1800 voice calling and text messaging, with a metal exterior and a sliding keypad cover.",
    "scope_statement": "This model owns the product-model identity and assessment requirements for Nokia 8850, registry entry vr.tr.nokia-8850 in PHY / PHY.OBJ; individual handsets supply observations rather than defining separate product models.",
    "in_scope": [
      "Identification of Nokia 8850 hardware and documented variants",
      "Sliding cover, keypad, display and audio-path condition",
      "Battery, charging and accessory compatibility",
      "Cellular service eligibility and observed call and message operation",
      "Infrared interoperability, stored information and restoration decisions"
    ],
    "out_of_scope": [
      "Nokia corporate history and the broader premium handset range",
      "Separate models such as Nokia 8810, 8890 and 8855",
      "GSM infrastructure and operator service management",
      "Subscriber identity, account ownership and communications content",
      "General lithium-ion battery chemistry",
      "Individual handset ownership histories and market valuations"
    ],
    "distinguishing_features": [
      "Require agreement between Nokia 8850 identification markings, internal hardware evidence and a matching manufacturer document; an exterior badge alone is insufficient.",
      "Match the sliding keypad cover and its control behavior to the illustrated handset and instructions in the [Nokia 8850 user guide](https://www.telefonguru.hu/manuals/nokia_8850_en.pdf).",
      "Check documented radio bands and antenna construction when separating an alleged 8850 from a visually similar 8890.",
      "Compare housing geometry, keypad layout and connector positions against model-specific references when distinguishing it from an 8810, 8855 or replacement-shell assembly."
    ],
    "characteristics": [
      {
        "name": "Hardware identity agreement",
        "kind": "state",
        "unit_or_values": "consistent; conflicting; unreadable; unverified",
        "why_it_matters": "Determines whether 8850-specific operating and repair guidance applies."
      },
      {
        "name": "Hardware and firmware variant",
        "kind": "category",
        "unit_or_values": "Observed type designation, firmware version and market variant, each with evidence",
        "why_it_matters": "Controls which documentation, parts and capabilities can be attributed to the handset."
      },
      {
        "name": "Radio and service compatibility",
        "kind": "relation",
        "unit_or_values": "Documented handset bands linked to a named operator, location, SIM and verification date",
        "why_it_matters": "Separates historical radio capability from usable service at the intended location."
      },
      {
        "name": "Sliding cover operation",
        "kind": "state",
        "unit_or_values": "smooth; loose; binding; detached; control response faulty; untested",
        "why_it_matters": "Mechanical travel and control response must both be assessed."
      },
      {
        "name": "Display and keypad condition",
        "kind": "state",
        "unit_or_values": "Record legibility, missing segments or pixels, illumination and response of each key",
        "why_it_matters": "A handset that powers on may still be unusable for menu navigation or dialing."
      },
      {
        "name": "Installed battery compatibility",
        "kind": "relation",
        "unit_or_values": "Battery marking, chemistry, rated voltage and approval evidence linked to the handset variant",
        "why_it_matters": "Physical fit alone does not establish electrical suitability."
      },
      {
        "name": "Measured operating endurance",
        "kind": "measurement",
        "unit_or_values": "minutes or hours, with battery identity, workload, signal conditions and test date",
        "why_it_matters": "Distinguishes present battery performance from historical advertised endurance."
      },
      {
        "name": "Infrared transfer outcome",
        "kind": "state",
        "unit_or_values": "untested; peer detected; transfer verified; failed; incompatible peer",
        "why_it_matters": "Determines whether a proposed backup or exchange workflow actually works."
      },
      {
        "name": "Restoration composition",
        "kind": "category",
        "unit_or_values": "documented original; documented replacement parts; mixed assembly; unknown",
        "why_it_matters": "Affects identification confidence, repair planning and preservation choices."
      }
    ],
    "affordances": [
      "Identify a candidate handset and flag contradictory Nokia 8850 identity evidence.",
      "Assess whether a particular battery and charger combination is suitable for a controlled power test.",
      "Test sliding-cover behavior, keys, display and audio against the applicable guide.",
      "Evaluate and, when authorized, test calls and messages using a compatible service.",
      "Attempt an authorized infrared backup with a documented compatible peer.",
      "Choose preservation, component repair or retirement based on observed faults and parts provenance."
    ],
    "agent_conduct": {
      "may": [
        "Identify this 1999 metal-bodied slider model from its label and keypad cover.",
        "Report the condition of the slide spring, casing and display for an owner or collector."
      ],
      "must_not": [
        "Present a re-cased or reproduction unit as original.",
        "Expect it to make calls where its two network bands are no longer in service.",
        "Read contacts or messages stored on its SIM or memory without the owner's consent.",
        "Use improvised power supplies in place of a matching battery."
      ],
      "requires_human": [
        "Restoring or replacing original parts on a collectible handset.",
        "Selling a unit whose originality is uncertain."
      ]
    },
    "ethics": {
      "considerations": [
        "Early premium phones are collectibles, and fakes defraud buyers.",
        "Old SIM cards may still hold numbers and messages of people who did not consent to sharing."
      ],
      "affected_parties": [
        "Owners and collectors",
        "Buyers",
        "People in stored contacts"
      ]
    },
    "owners": {
      "steward": "The person who owns the handset.",
      "master_systems": [
        "IMEI blocklists"
      ]
    },
    "visual_identification": [
      "A small aluminium-coloured metal body with a sliding cover over the keypad.",
      "A small monochrome display with a backlight.",
      "Model and IMEI on a label under the battery."
    ],
    "failure_modes_and_hazards": [
      "No usable network where second-generation service has ended.",
      "Aged battery cells failing or swelling.",
      "Worn slide springs or cracked cover."
    ],
    "standards_and_regulation": [
      "GSM technical specifications, maintained by 3GPP, which define the network the handset was built for.",
      "Directive 2012/19/EU on waste electrical and electronic equipment (WEEE), European Union, which governs disposal of old handsets."
    ],
    "what_it_is_for": [
      "This late twentieth-century mobile phone was designed for voice calls and text messaging on compatible GSM networks.",
      "Surviving examples are encountered in collections, telecommunications history displays and electronics restoration.",
      "Present-day communication use depends on compatible network availability and the condition of the handset and battery."
    ]
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q2555986: Nokia 8850",
      "url": "https://www.wikidata.org/wiki/Q2555986",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Nokia 8850/8890",
      "url": "https://en.wikipedia.org/wiki/Nokia_8850/8890",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "identity-and-variant",
        "name": "Identity and variant",
        "description": "Establish whether Nokia 8850 documentation applies to the candidate handset.",
        "rationale": "Similar Nokia models and rebuilt housings make appearance alone an unreliable identification method.",
        "layers": [
          {
            "id": "product-identification",
            "name": "Product identification",
            "description": "Connect the registry concept to independently checkable handset evidence.",
            "findings": [
              {
                "id": "identity-evidence",
                "name": "Identity evidence",
                "description": "Require a reasoned match among labels, construction and manufacturer documentation.",
                "questions": [
                  {
                    "text": "Which observed type markings and construction details establish that this handset is a Nokia 8850?",
                    "kind": "definition",
                    "id": "identity-evidence-q01"
                  },
                  {
                    "text": "Which manufacturer document supports that identification, and do its illustrations and type designation agree?",
                    "kind": "provenance",
                    "id": "identity-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "variant-and-neighbour-boundaries",
            "name": "Variant and neighbour boundaries",
            "description": "Keep variant differences and related Nokia products distinct.",
            "findings": [
              {
                "id": "variant-applicability",
                "name": "Variant applicability",
                "description": "Determine which specifications belong to this 8850 variant without importing features from adjacent models.",
                "questions": [
                  {
                    "text": "Which radio, antenna and housing checks distinguish this candidate from Nokia 8890, 8810 and 8855?",
                    "kind": "boundary",
                    "id": "variant-applicability-q01"
                  },
                  {
                    "text": "Which firmware, market or hardware revision is evidenced, and which differences does its documentation establish?",
                    "kind": "provenance",
                    "id": "variant-applicability-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "sliding-cover-and-interface",
        "name": "Sliding cover and interface",
        "description": "Assess the characteristic moving cover and the controls needed to operate the handset.",
        "rationale": "Cover movement can affect interaction, so cosmetic condition is insufficient to judge usability.",
        "layers": [
          {
            "id": "cover-mechanics",
            "name": "Cover mechanics",
            "description": "Inspect attachment, movement and resulting control behavior.",
            "findings": [
              {
                "id": "cover-travel-and-response",
                "name": "Cover travel and response",
                "description": "Record mechanical defects separately from unexpected responses to opening and closing.",
                "questions": [
                  {
                    "text": "Does the cover travel and remain attached correctly, and where does looseness, binding or damage occur?",
                    "kind": "measurement",
                    "id": "cover-travel-and-response-q01"
                  },
                  {
                    "text": "Under which documented settings and call states should opening or closing the cover change handset behavior?",
                    "kind": "action",
                    "id": "cover-travel-and-response-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "visual-tactile-and-audio-interface",
            "name": "Visual, tactile and audio interface",
            "description": "Assess whether the handset can be operated and heard reliably.",
            "findings": [
              {
                "id": "interface-function",
                "name": "Interface function",
                "description": "Use repeatable observations to localize display, key, alert and speech-path problems.",
                "questions": [
                  {
                    "text": "Which display areas, illumination functions and individual keys fail during a repeatable menu-navigation test?",
                    "kind": "measurement",
                    "id": "interface-function-q01"
                  },
                  {
                    "text": "Do microphone, earpiece and configured alerts work consistently, including across cover positions where relevant?",
                    "kind": "measurement",
                    "id": "interface-function-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "power-and-component-condition",
        "name": "Power and component condition",
        "description": "Evaluate the installed power components and distinguish battery limitations from handset faults.",
        "rationale": "An aged or substituted battery can invalidate functional tests and repair diagnoses.",
        "layers": [
          {
            "id": "battery-and-charger-match",
            "name": "Battery and charger match",
            "description": "Establish electrical compatibility and physical condition before energizing the handset.",
            "findings": [
              {
                "id": "power-component-eligibility",
                "name": "Power component eligibility",
                "description": "Require component-specific evidence rather than relying on connector fit or seller claims.",
                "questions": [
                  {
                    "text": "Which battery and charger identifiers are installed, and what Nokia documentation establishes compatibility with this variant?",
                    "kind": "provenance",
                    "id": "power-component-eligibility-q01"
                  },
                  {
                    "text": "What observed battery, contact or connector condition requires withholding a charge or power test under applicable guidance?",
                    "kind": "action",
                    "id": "power-component-eligibility-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "power-performance",
            "name": "Power performance",
            "description": "Measure current behavior under stated conditions.",
            "findings": [
              {
                "id": "endurance-and-instability",
                "name": "Endurance and instability",
                "description": "Separate normal startup, charging behavior and workload-related failure observations.",
                "questions": [
                  {
                    "text": "What charge duration and operating endurance are measured with the identified battery and stated workload?",
                    "kind": "measurement",
                    "id": "endurance-and-instability-q01"
                  },
                  {
                    "text": "Do shutdowns or resets persist with a verified compatible battery, and are they associated with transmission, cover movement or charging?",
                    "kind": "measurement",
                    "id": "endurance-and-instability-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "cellular-operation-and-eligibility",
        "name": "Cellular operation and eligibility",
        "description": "Relate documented radio capability to present service conditions and observed communication results.",
        "rationale": "A working legacy handset may lack a usable network, while a service failure may be mistaken for a hardware defect.",
        "layers": [
          {
            "id": "radio-and-network-match",
            "name": "Radio and network match",
            "description": "Evaluate service prerequisites for a particular place and time.",
            "findings": [
              {
                "id": "service-prerequisites",
                "name": "Service prerequisites",
                "description": "Separate supported bands, operator availability, SIM suitability and registration state.",
                "questions": [
                  {
                    "text": "Which documented bands and network technology does this exact 8850 variant support?",
                    "kind": "definition",
                    "id": "service-prerequisites-q01"
                  },
                  {
                    "text": "Does the intended operator currently provide compatible service at the test location, and can the supplied SIM register?",
                    "kind": "measurement",
                    "id": "service-prerequisites-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "communication-tests-and-approval",
            "name": "Communication tests and approval",
            "description": "Assess actual functions alongside the applicability of product approval evidence.",
            "findings": [
              {
                "id": "verified-cellular-use",
                "name": "Verified cellular use",
                "description": "Record tested outcomes without equating signal indication or historical approval with present operational readiness.",
                "questions": [
                  {
                    "text": "With authorization, do incoming and outgoing calls and text messages complete, and what errors or audio defects occur?",
                    "kind": "measurement",
                    "id": "verified-cellular-use-q01"
                  },
                  {
                    "text": "Which manufacturer declaration, approval identifiers and issuing or regulatory bodies apply to this hardware and intended jurisdiction?",
                    "kind": "provenance",
                    "id": "verified-cellular-use-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "information-transfer-and-restoration",
        "name": "Information transfer and restoration",
        "description": "Plan supported information transfer and repairs while preserving evidence about the handset.",
        "rationale": "Legacy transfer dependencies and replacement parts affect both practical recovery and confidence in the handset's identity.",
        "layers": [
          {
            "id": "infrared-and-memory",
            "name": "Infrared and memory",
            "description": "Determine which information can be recovered through a verified workflow.",
            "findings": [
              {
                "id": "recoverable-information",
                "name": "Recoverable information",
                "description": "Distinguish phone and SIM storage and establish transfer support for each requested information type.",
                "questions": [
                  {
                    "text": "Which requested records reside in handset memory versus SIM memory, and which access restrictions apply?",
                    "kind": "boundary",
                    "id": "recoverable-information-q01"
                  },
                  {
                    "text": "Which infrared peer, software version and transfer procedure can recover the authorized records, and how will completeness be checked?",
                    "kind": "action",
                    "id": "recoverable-information-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "repair-and-preservation",
            "name": "Repair and preservation",
            "description": "Choose interventions using fault evidence and documented parts compatibility.",
            "findings": [
              {
                "id": "restoration-decision",
                "name": "Restoration decision",
                "description": "Record what a proposed repair would replace, what evidence it could disturb and how success will be verified.",
                "questions": [
                  {
                    "text": "Which proposed replacement covers, display assemblies or other parts have verified compatibility with this 8850 revision?",
                    "kind": "provenance",
                    "id": "restoration-decision-q01"
                  },
                  {
                    "text": "Should this handset be preserved, repaired or retired, and which post-intervention checks would justify that decision?",
                    "kind": "action",
                    "id": "restoration-decision-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 is recalled information, not source-checked research.",
                  "Verify the approximate mass against an original specification identifying the battery fitted.",
                  "Check original manuals and market-specific approval records before assigning exact dimensions, battery specifications or regulatory certifications."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of Nokia 8850 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": "Manufacturer model designation",
                    "value_or_pattern": "Nokia 8850",
                    "note": "Identifies the product model, not an individual handset."
                  },
                  {
                    "scheme": "International Mobile Equipment Identity (IMEI)",
                    "value_or_pattern": "15 decimal digits",
                    "note": "Identifies an individual handset; no model-specific allocation is asserted here."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of Nokia 8850 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": [
                  "GSM specifications developed by ETSI govern its cellular radio operation and services."
                ],
                "questions": [
                  {
                    "id": "evidence-standards-and-regulation-q01",
                    "text": "Which of these standards and regulation hold for the sense of Nokia 8850 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": [
                  "Mobile voice calls on compatible GSM networks.",
                  "Sending and receiving SMS text messages.",
                  "Storing contacts and using basic clock, alarm and calendar functions.",
                  "Collecting and restoring late-1990s mobile phones."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of Nokia 8850 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": "Nominal supported GSM frequency bands",
                    "typical_range": "900 and 1800",
                    "unit": "MHz"
                  },
                  {
                    "quantity": "Handset mass with standard battery",
                    "typical_range": "Approximately 91",
                    "unit": "g"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of Nokia 8850 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": [
                  "Battery ageing can reduce operating time or prevent the handset from powering on.",
                  "Damaged or deteriorated lithium-ion batteries can swell, overheat or present a fire hazard.",
                  "Wear or damage to the sliding cover can impair its movement.",
                  "Corrosion or contamination at battery and charging contacts can interrupt power.",
                  "Withdrawal of compatible GSM service can prevent cellular use even when the handset remains functional."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of Nokia 8850 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": [
                  "Cellular usability depends on local GSM 900/1800 coverage, operator access policies and whether compatible service remains available.",
                  "Original language options, keypad markings and supplied charger plugs varied by sales market."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of Nokia 8850 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": "Mobile phone",
                    "difference": "The broader device class; Nokia 8850 identifies one particular manufacturer's model."
                  },
                  {
                    "name": "Nokia 8810",
                    "difference": "An earlier, distinct Nokia premium sliding-cover handset, not another designation for the 8850."
                  },
                  {
                    "name": "Individual Nokia 8850 handset",
                    "difference": "A physical unit has its own IMEI, condition and ownership history; this entry describes the model."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Nokia 8850 this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Which Nokia 8850 type designations, regional editions and firmware revisions are documented, and which materially change capabilities or parts compatibility?",
    "What are the authoritative dimensions, mass, battery ratings and endurance specifications, including measurement conditions and variant differences?",
    "Which cover, display, audio and charging faults are documented as recurring 8850 issues rather than isolated specimen failures?",
    "Which currently obtainable infrared adapters and software environments support verified recovery of each relevant information type?",
    "Which original approval records and present local service conditions govern use of the exact handset variant?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 18,
    "questions": 28
  }
}
