{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T11:40:15Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 21.9,
        "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-ed35-7850-9372-93e6aad085f5\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: Nokia C2-01\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 reg",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 73.2,
        "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-ed40-79b1-8fbc-52f668e9a6d9\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Nokia C2-01\nRegistry id: vr.tr.nokia-c2-01\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\n"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:52:53+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners",
        "standards_and_regulation",
        "visual_identification"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:30+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q3877865",
    "registryId": "vr.tr.nokia-c2-01",
    "name": "Nokia C2-01",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q3877865/",
  "model": {
    "registry_id": "vr.tr.nokia-c2-01",
    "name": "Nokia C2-01",
    "purpose": "Enable an agent to recognise the Nokia C2-01 product model, assess a corresponding handset's usability, and select compatible operation, maintenance and data-preservation actions.",
    "definition": "The Nokia C2-01 is a Nokia Series 40 keypad feature-phone model supporting GSM and UMTS mobile networks, voice calls, messaging, basic internet access and photography.",
    "scope_statement": "This model owns the recognition criteria, capability boundaries and assessment questions for Nokia C2-01 under vr.tr.nokia-c2-01 in PHY / PHY.OBJ; individual handsets supply observations without becoming separate product models.",
    "in_scope": [
      "C2-01 identity, hardware variant and applicable documentation",
      "Cellular compatibility and evidence of usable calling and messaging",
      "Physical keypad operation, access restrictions and observable operating states",
      "Battery, charging interfaces and replaceable-media compatibility",
      "Local media functions, data preservation and serviceability"
    ],
    "out_of_scope": [
      "Other Nokia C2 products and the wider Nokia handset family",
      "Ownership, location and repair history of individual handset assets",
      "Mobile operators, subscriptions and network infrastructure",
      "Battery chemistry and charger design as independent product models",
      "The contents of personal communications, photographs and address books"
    ],
    "distinguishing_features": [
      "Require a C2-01 model marking supported by a matching type identifier and documentation; a Nokia logo or a C2 family name is insufficient.",
      "Compare the handset's physical keypad, Navi key and connector arrangement against the C2-01 identification illustration. [Nokia C2-01 User Guide, page 7](https://one.nz/MEDIA_CustomProductCatalog/m4950051_Nokia_C2-01_Userguide.pdf)",
      "Verify GSM and UMTS capability against documentation for the identified variant; successful GSM registration alone does not establish C2-01 identity. [Nokia C2-01 User Guide, page 5](https://one.nz/MEDIA_CustomProductCatalog/m4950051_Nokia_C2-01_Userguide.pdf)"
    ],
    "characteristics": [
      {
        "name": "Product and type identity",
        "kind": "category",
        "unit_or_values": "C2-01 marking; transcribed type identifier; confirmed, conflicting or unresolved",
        "why_it_matters": "Determines which specifications, accessories and service instructions apply."
      },
      {
        "name": "Applicable documentation",
        "kind": "relation",
        "unit_or_values": "Manufacturer document, issue, market and matching type identifier",
        "why_it_matters": "Prevents specifications from one regional version being applied to another."
      },
      {
        "name": "Radio compatibility",
        "kind": "category",
        "unit_or_values": "Documented radio technologies and frequency bands in MHz, by variant",
        "why_it_matters": "Allows comparison with a particular operator's current service."
      },
      {
        "name": "Cellular service state",
        "kind": "state",
        "unit_or_values": "Untested, searching, registered, restricted or unavailable; timestamp and operator",
        "why_it_matters": "Separates theoretical radio support from demonstrated service."
      },
      {
        "name": "Access state",
        "kind": "state",
        "unit_or_values": "Usable, keypad locked, security-code prompt, SIM-code prompt or unresolved",
        "why_it_matters": "Distinguishes input locking from subscriber or device access restrictions."
      },
      {
        "name": "Battery compatibility and condition",
        "kind": "state",
        "unit_or_values": "Marked battery type; compatibility evidence; normal, degraded, damaged or unknown",
        "why_it_matters": "Guides charging, replacement and diagnosis of power failures."
      },
      {
        "name": "Observed endurance",
        "kind": "measurement",
        "unit_or_values": "Hours under a recorded workload, radio state and battery condition",
        "why_it_matters": "Makes practical availability assessable without treating original advertised endurance as current performance."
      },
      {
        "name": "Removable storage capacity",
        "kind": "measurement",
        "unit_or_values": "GB; installed capacity and documented limit recorded separately",
        "why_it_matters": "Supports media selection and investigation of recognition or capacity failures."
      },
      {
        "name": "Control and connector condition",
        "kind": "state",
        "unit_or_values": "Per keypad control, display and connector: working, intermittent, failed or untested",
        "why_it_matters": "Identifies which C2-01 workflows remain possible."
      }
    ],
    "affordances": [
      "Match a candidate handset to the C2-01 entry and resolve its hardware variant.",
      "Assess whether calling and messaging can work with a specified SIM, operator and location.",
      "Navigate the keypad interface and diagnose the meaning of access prompts.",
      "Select compatible power and storage accessories from applicable documentation.",
      "Evaluate local media use and preserve accessible data before maintenance.",
      "Choose continued use, battery replacement, qualified repair or retirement from observed condition."
    ],
    "agent_conduct": {
      "may": [
        "Identify this keypad feature-phone model with third-generation support from its label.",
        "Explain which services still work on it as operators retire third-generation networks."
      ],
      "must_not": [
        "Use its basic web browser to enter passwords or payment details over insecure connections.",
        "Read messages or browse history on a handset without the owner's consent.",
        "Alter the IMEI or bypass a network lock without authority.",
        "Promise reliable service where both second- and third-generation networks have ended."
      ],
      "requires_human": [
        "Wiping a handset before resale or recycling.",
        "Setting it up as the sole phone of a vulnerable user."
      ]
    },
    "ethics": {
      "considerations": [
        "Users of older phones may lose service as networks close, often without clear warning.",
        "Stored messages are private to the user and their correspondents."
      ],
      "affected_parties": [
        "The handset's user",
        "People in its contacts",
        "Buyers of used phones"
      ]
    },
    "owners": {
      "steward": "The person who owns the handset; the network operator holds the subscription record.",
      "master_systems": [
        "Mobile network subscriber records",
        "IMEI blocklists"
      ]
    },
    "visual_identification": [
      "A candybar phone with a numeric keypad, colour screen and rear camera.",
      "Model and IMEI on a label under the battery."
    ],
    "failure_modes_and_hazards": [
      "Loss of service as legacy networks are switched off.",
      "Outdated browser security exposes entered data.",
      "Battery swelling with age."
    ],
    "standards_and_regulation": [
      "GSM technical specifications, maintained by 3GPP, which define the network the handset was built for.",
      "UMTS technical specifications, 3GPP, which define the third-generation network the handset supports.",
      "Directive 2012/19/EU on waste electrical and electronic equipment (WEEE), European Union, which governs disposal of old handsets."
    ],
    "what_it_is_for": [
      "This keypad feature phone supports voice calls, messaging, basic web access and casual photography.",
      "It may be encountered as an older personal handset or during repair, contact recovery and photo preservation.",
      "Communication and online functions depend on compatible mobile networks and continued support for the services involved."
    ]
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q3877865: Nokia C2-01",
      "url": "https://www.wikidata.org/wiki/Q3877865",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Nokia C2-01",
      "url": "https://en.wikipedia.org/wiki/Nokia_C2-01",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "c2-01-identity",
        "name": "C2-01 identity",
        "description": "Establish the product identity and the documentation that governs its assessment.",
        "rationale": "Similar Nokia names and replacement housings make appearance alone an unreliable basis for compatibility decisions.",
        "layers": [
          {
            "id": "product-recognition",
            "name": "Product recognition",
            "description": "Resolve whether evidence supports this exact registry entry.",
            "findings": [
              {
                "id": "identity-evidence",
                "name": "Identity evidence",
                "description": "Assess agreement between product markings, physical layout and available device information.",
                "questions": [
                  {
                    "text": "Which markings and device information identify this handset as Nokia C2-01?",
                    "kind": "provenance",
                    "id": "identity-evidence-q01"
                  },
                  {
                    "text": "Does any evidence suggest a different C2 model or a replacement housing?",
                    "kind": "boundary",
                    "id": "identity-evidence-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "variant-documentation",
            "name": "Variant documentation",
            "description": "Bind compatibility claims to an identified hardware version.",
            "findings": [
              {
                "id": "applicable-type-and-guide",
                "name": "Applicable type and guide",
                "description": "Require a documented connection between the observed type identifier and the specifications used.",
                "questions": [
                  {
                    "text": "Which manufacturer guide or service document covers the observed type identifier?",
                    "kind": "provenance",
                    "id": "applicable-type-and-guide-q01"
                  },
                  {
                    "text": "Which radio, accessory or firmware claims remain unresolved until the variant is identified?",
                    "kind": "boundary",
                    "id": "applicable-type-and-guide-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "cellular-usability",
        "name": "Cellular usability",
        "description": "Determine whether the C2-01 can deliver the intended telephone service in a stated environment.",
        "rationale": "Hardware capability, SIM access and current operator support are separate requirements for a usable legacy handset.",
        "layers": [
          {
            "id": "radio-and-sim-fit",
            "name": "Radio and SIM fit",
            "description": "Compare documented handset requirements with the proposed network and SIM.",
            "findings": [
              {
                "id": "compatible-service-path",
                "name": "Compatible service path",
                "description": "Assess the complete path from variant-specific radio support through physical SIM compatibility to operator acceptance.",
                "questions": [
                  {
                    "text": "Which documented bands overlap the operator's currently available networks at the intended location?",
                    "kind": "boundary",
                    "id": "compatible-service-path-q01"
                  },
                  {
                    "text": "Does the proposed SIM meet the C2-01 guide's physical requirements and the operator's activation requirements?",
                    "kind": "action",
                    "id": "compatible-service-path-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "demonstrated-communications",
            "name": "Demonstrated communications",
            "description": "Separate signal indications from verified communication outcomes.",
            "findings": [
              {
                "id": "call-and-message-outcomes",
                "name": "Call and message outcomes",
                "description": "Record dated calling and messaging results with the relevant operator and configuration.",
                "questions": [
                  {
                    "text": "Do authorised incoming and outgoing call tests establish intelligible two-way audio?",
                    "kind": "measurement",
                    "id": "call-and-message-outcomes-q01"
                  },
                  {
                    "text": "Do SMS tests establish receipt, and which additional settings or services are needed for MMS?",
                    "kind": "measurement",
                    "id": "call-and-message-outcomes-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "keypad-and-access",
        "name": "Keypad and access",
        "description": "Interpret the C2-01's physical controls, menu behaviour and access restrictions.",
        "rationale": "An agent must distinguish failed controls from intentional locking before recommending repair or recovery.",
        "layers": [
          {
            "id": "physical-navigation",
            "name": "Physical navigation",
            "description": "Assess whether the keypad interface supports the intended task.",
            "findings": [
              {
                "id": "navigation-and-text-entry",
                "name": "Navigation and text entry",
                "description": "Test physical navigation and text entry against the handset's displayed prompts.",
                "questions": [
                  {
                    "text": "Do the Navi key, selection keys, call controls and numeric keys respond consistently?",
                    "kind": "measurement",
                    "id": "navigation-and-text-entry-q01"
                  },
                  {
                    "text": "Which menu path and text-entry setting let the user complete the intended C2-01 task?",
                    "kind": "action",
                    "id": "navigation-and-text-entry-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "lock-and-profile-state",
            "name": "Lock and profile state",
            "description": "Identify restrictions that alter interaction or apparent availability.",
            "findings": [
              {
                "id": "restriction-diagnosis",
                "name": "Restriction diagnosis",
                "description": "Treat the exact displayed prompt and selected profile as evidence before attempting recovery.",
                "questions": [
                  {
                    "text": "Does the display indicate keypad locking, a device security code or a SIM-related code requirement?",
                    "kind": "definition",
                    "id": "restriction-diagnosis-q01"
                  },
                  {
                    "text": "Which documented, authorised action resolves the restriction without repeated code guessing?",
                    "kind": "action",
                    "id": "restriction-diagnosis-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "power-and-physical-service",
        "name": "Power and physical service",
        "description": "Assess power accessories, practical endurance and physical faults.",
        "rationale": "A C2-01 that powers on briefly may still need battery replacement or connector repair before dependable use.",
        "layers": [
          {
            "id": "battery-and-charging",
            "name": "Battery and charging",
            "description": "Match power accessories to documented requirements.",
            "findings": [
              {
                "id": "approved-power-path",
                "name": "Approved power path",
                "description": "The guide specifies BL-5C and AC-3 power accessories. [Nokia C2-01 User Guide, page 34](https://one.nz/MEDIA_CustomProductCatalog/m4950051_Nokia_C2-01_Userguide.pdf)",
                "questions": [
                  {
                    "text": "Do the installed battery and proposed charger match the applicable guide and show acceptable physical condition?",
                    "kind": "provenance",
                    "id": "approved-power-path-q01"
                  },
                  {
                    "text": "Does charging proceed reliably through the documented charging interface?",
                    "kind": "measurement",
                    "id": "approved-power-path-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "faults-and-service-decisions",
            "name": "Faults and service decisions",
            "description": "Use observations to distinguish power, connector and other physical faults.",
            "findings": [
              {
                "id": "serviceability-evidence",
                "name": "Serviceability evidence",
                "description": "Evaluate shutdowns, intermittent connections and physical damage without presuming a model-specific failure rate.",
                "questions": [
                  {
                    "text": "Under what workload do shutdowns, abnormal heating or intermittent charging occur?",
                    "kind": "measurement",
                    "id": "serviceability-evidence-q01"
                  },
                  {
                    "text": "Does the evidence support compatible battery replacement, qualified repair or retirement?",
                    "kind": "action",
                    "id": "serviceability-evidence-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "media-and-data-continuity",
        "name": "Media and data continuity",
        "description": "Assess local media workflows and preserve data during continued use or servicing.",
        "rationale": "Local functions and stored information can remain useful even when a proposed network service is unavailable.",
        "layers": [
          {
            "id": "local-media-and-storage",
            "name": "Local media and storage",
            "description": "Assess the camera, audio functions and installed storage as a usable workflow.",
            "findings": [
              {
                "id": "media-workflow-check",
                "name": "Media workflow check",
                "description": "The guide documents microSD support up to 16 GB. [Nokia C2-01 User Guide, page 9](https://one.nz/MEDIA_CustomProductCatalog/m4950051_Nokia_C2-01_Userguide.pdf)",
                "questions": [
                  {
                    "text": "Can a test image be captured, saved and reopened from the selected storage?",
                    "kind": "measurement",
                    "id": "media-workflow-check-q01"
                  },
                  {
                    "text": "Which headset, storage and file-format conditions are needed for the intended radio or audio task?",
                    "kind": "boundary",
                    "id": "media-workflow-check-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "preservation-and-recovery",
            "name": "Preservation and recovery",
            "description": "Choose a verified preservation path before reset, firmware work or disposal.",
            "findings": [
              {
                "id": "recoverable-data",
                "name": "Recoverable data",
                "description": "Assess phone, SIM and removable-card data separately and require an independently checked export.",
                "questions": [
                  {
                    "text": "Which contacts and files reside in each storage location, and which documented transfer route works?",
                    "kind": "measurement",
                    "id": "recoverable-data-q01"
                  },
                  {
                    "text": "Has the exported data been checked before any authorised reset, update or disposal action?",
                    "kind": "action",
                    "id": "recoverable-data-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 description is recalled knowledge; no sources were consulted.",
                  "Check regional hardware documentation for exact frequency bands and regulatory approvals.",
                  "Dimensions and mass are recalled nominal specifications; current network and internet-service compatibility requires separate verification."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of Nokia C2-01 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": "Nokia commercial model designation",
                    "value_or_pattern": "C2-01",
                    "note": "Identifies the product model, rather than an individual handset."
                  },
                  {
                    "scheme": "International Mobile Equipment Identity (IMEI)",
                    "value_or_pattern": "15 decimal digits",
                    "note": "Identifies an individual handset; there is no single IMEI for the model."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of Nokia C2-01 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 cellular specifications maintained by 3GPP.",
                  "UMTS third-generation cellular specifications maintained by 3GPP."
                ],
                "questions": [
                  {
                    "id": "evidence-standards-and-regulation-q01",
                    "text": "Which of these standards and regulation hold for the sense of Nokia C2-01 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": [
                  "Voice calls and SMS messaging over compatible mobile networks.",
                  "Basic web browsing and email through Series 40 applications.",
                  "Taking photographs and recording video with the integrated camera.",
                  "Playing stored music and listening to FM radio.",
                  "Running compatible Java ME applications."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of Nokia C2-01 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": "Display diagonal",
                    "typical_range": "2.0",
                    "unit": "inch"
                  },
                  {
                    "quantity": "Display resolution",
                    "typical_range": "240 × 320",
                    "unit": "pixel"
                  },
                  {
                    "quantity": "Rear-camera nominal resolution",
                    "typical_range": "3.2",
                    "unit": "megapixel"
                  },
                  {
                    "quantity": "External dimensions",
                    "typical_range": "109.8 × 46.9 × 15.3",
                    "unit": "mm"
                  },
                  {
                    "quantity": "Mass with battery",
                    "typical_range": "89",
                    "unit": "g"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of Nokia C2-01 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 battery ageing can cause short runtime, unexpected shutdowns or swelling; damaged lithium-ion batteries can present a fire hazard.",
                  "Wear or contamination can impair the keypad, charging connector and battery contacts.",
                  "Liquid ingress and impact can damage the circuit board or display.",
                  "Operator retirement of supported cellular networks can prevent calls, messaging and mobile data.",
                  "Legacy browser and application support can limit access to modern internet services."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of Nokia C2-01 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": [
                  "Supported cellular frequency bands can differ between regional hardware variants.",
                  "Usability depends on local GSM or UMTS network availability and operator acceptance.",
                  "Keypad legends, interface languages and supplied chargers can vary by sales market."
                ],
                "questions": [
                  {
                    "id": "evidence-regional-variation-q01",
                    "text": "Which of these regional variation hold for the sense of Nokia C2-01 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": "Feature phone",
                    "difference": "Feature phone is the broader device category; Nokia C2-01 is one specific product model."
                  },
                  {
                    "name": "Nokia C2-00",
                    "difference": "The C2-00 is a distinct dual-SIM GSM model; the C2-01 is a single-SIM model with UMTS support."
                  },
                  {
                    "name": "Nokia C2",
                    "difference": "The later Nokia C2 Android smartphone is a separate product, distinguished by its touchscreen smartphone platform and model designation."
                  },
                  {
                    "name": "Individual Nokia C2-01 handset",
                    "difference": "A physical unit has its own IMEI, condition and ownership history; this entry describes the product model."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Nokia C2-01 this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Which hardware type identifiers and regional radio configurations belong under this C2-01 entry?",
    "Which manufacturer sources establish dimensions, mass, display and camera specifications, and nominal battery capacity for each applicable variant?",
    "Which current operators and locations still provide compatible service, and which legacy online functions remain usable?",
    "Which firmware versions, transfer utilities and recovery procedures remain obtainable from trustworthy sources?",
    "Which original declarations, issuing bodies, certification marks and service documents establish variant-specific compliance and repair limits?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 18,
    "questions": 28
  }
}
