{
  "record": "cc-calculation-v1",
  "source": "CC Paper I, version 1.0 (2026), Howard Lee. doi:10.5281/zenodo.21771695",
  "purpose": "Reproduces the strict-channel arithmetic independently of the website. Reproducing the arithmetic verifies the numerical chain and conventions; it does not verify the declared assumptions defining the contour, boundary, endpoint, fold, source coordinate, relative-sector factor or global-source map.",
  "formula": "Lambda / M_P^2 = a_SM * (m_p / M_P) * exp(-24 * pi^2)",
  "inputs": [
    {
      "name": "Protected matter datum (type-A Euler anomaly coefficient, minimal Standard Model)",
      "symbol": "a_SM",
      "value": "1991/720",
      "decimal": 2.76528,
      "origin": "Derived here (Standard Model field count; version 1.0, Section 5)"
    },
    {
      "name": "QCD/Planck hierarchy",
      "symbol": "m_p/M_P",
      "value": 7.685e-20,
      "origin": "Standard input (PDG 2026 proton pole mass; unreduced Planck mass M_P = G^(-1/2) = 1.221e19 GeV)"
    },
    {
      "name": "Compact gravitational weight",
      "symbol": "exp(-24*pi^2)",
      "value": 1.344e-103,
      "origin": "Tree-level action of the selected compact gravitational sector at the Planck boundary u=1 (version 1.0, Section 9)"
    }
  ],
  "computation": "2.76528 * 7.685e-20 * 1.344e-103 = 2.856e-122",
  "output": {
    "quantity": "Lambda / M_P^2 (strict channel)",
    "value": 2.856e-122
  },
  "comparison": {
    "observed": "Planck 2018 flat-LCDM-inferred value (2.846 +/- 0.057)e-122",
    "central_value_difference": "about 0.4 percent",
    "note": "The comparison must never be expressed as a sigma-level confirmation."
  }
}