{
  "inputSha256": "0b489fe146dad59d36bd4ad4190f0ccd162cc3f3207fbc3e026747862b330a00",
  "observationCount": 467,
  "calculations": [
    {
      "id": "ftth_share_of_fixed",
      "formula": "FTTH / fixed total * 100",
      "inputs": [
        "mic-ftth_contracts-2026-06-30",
        "mic-fixed_broadband_contracts-2026-06-30"
      ],
      "value": 79.26574092,
      "unit": "percent of contracts",
      "qualification": "Subscription technology mix, not household coverage/penetration."
    },
    {
      "id": "module_share_of_mobile_net_adds_yoy",
      "formula": "(modules_current - modules_previous) / (adjusted_current - adjusted_previous) * 100",
      "inputs": [
        "mic-communications_module_contracts-2026-06-30",
        "mic-communications_module_contracts-2025-06-30",
        "mic-adjusted_mobile_contracts-2026-06-30",
        "mic-adjusted_mobile_contracts-2025-06-30"
      ],
      "value": 74.13793103,
      "unit": "percent of net additions",
      "qualification": "Descriptive decomposition of rounded contract stocks; no unique-user interpretation."
    },
    {
      "id": "conditional_connection_overlap_lower_bound",
      "formula": "max(0, fixed + mobile - 100)",
      "inputs": [
        "household-connection-14-6",
        "household-connection-14-11"
      ],
      "value": 48.1,
      "unit": "percentage points of user households",
      "qualification": "Frechet bound, not observed joint share. Use at least about48%; 48.0pp conservative bound allowing0.05pp rounding on each input."
    },
    {
      "id": "hikari_collaboration_nested_share",
      "formula": "Hikari Collaboration / FLETS including Collaboration * 100",
      "inputs": [
        "ntt-P22-12",
        "ntt-P19-12"
      ],
      "value": 74.85749948,
      "unit": "percent of issuer contracts",
      "qualification": "Subset relation within NTT East/West FLETS, not national retail share."
    },
    {
      "id": "docomo_group_revenue_yoy",
      "formula": "(current / previous - 1) * 100",
      "inputs": [
        "ntt-5-H8",
        "ntt-5-N8"
      ],
      "value": 8.51620697,
      "unit": "percent year-on-year",
      "qualification": "Calculated from published rounded inputs; compatible current issuer series only."
    },
    {
      "id": "docomo_telecom_revenue_yoy",
      "formula": "(current / previous - 1) * 100",
      "inputs": [
        "ntt-5-H9",
        "ntt-5-N9"
      ],
      "value": -0.20734236,
      "unit": "percent year-on-year",
      "qualification": "Calculated from published rounded inputs; compatible current issuer series only."
    },
    {
      "id": "docomo_mobile_revenue_yoy",
      "formula": "(current / previous - 1) * 100",
      "inputs": [
        "ntt-5-H10",
        "ntt-5-N10"
      ],
      "value": -0.32921811,
      "unit": "percent year-on-year",
      "qualification": "Calculated from published rounded inputs; compatible current issuer series only."
    },
    {
      "id": "ntt_regional_fibre_revenue_yoy",
      "formula": "(current / previous - 1) * 100",
      "inputs": [
        "ntt-7-I10",
        "ntt-7-O10"
      ],
      "value": 1.57266811,
      "unit": "percent year-on-year",
      "qualification": "Calculated from published rounded inputs; compatible current issuer series only."
    },
    {
      "id": "ntt_regional_legacy_revenue_yoy",
      "formula": "(current / previous - 1) * 100",
      "inputs": [
        "ntt-7-I11",
        "ntt-7-O11"
      ],
      "value": -4.88782051,
      "unit": "percent year-on-year",
      "qualification": "Calculated from published rounded inputs; compatible current issuer series only."
    },
    {
      "id": "kddi_core_mobile_revenue_yoy",
      "formula": "(current / previous - 1) * 100",
      "inputs": [
        "kddi-data-core_mobile_revenue-2025-06-30",
        "kddi-data-core_mobile_revenue-2026-06-30"
      ],
      "value": 4.60345264,
      "unit": "percent year-on-year",
      "qualification": "Calculated from published rounded inputs; compatible current issuer series only."
    },
    {
      "id": "fixed_broadband_growth_yoy",
      "formula": "(current / previous - 1) * 100",
      "inputs": [
        "mic-fixed_broadband_contracts-2025-06-30",
        "mic-fixed_broadband_contracts-2026-06-30"
      ],
      "value": 1.17397998,
      "unit": "percent year-on-year",
      "qualification": "Calculated from published rounded inputs; compatible current issuer series only."
    },
    {
      "id": "selected_undiscounted_monthly_components",
      "formula": "access + ISP + optional router",
      "inputs": [
        "ntt-cross-base",
        "asahi-cross-isp",
        "ntt-cross-router"
      ],
      "value": 8800.0,
      "unit": "JPY per month including tax",
      "qualification": "Selected NTT West/Asahi Net offer, not national average; separate universal-service charge and initial charges excluded; discounts not assumed."
    }
  ],
  "scope": "Arithmetic and structural validation only; original-source and publication reviews remain separate."
}