{
  "name": "BitcoinReversal Recovery-6 v1 data and calculation provenance",
  "verified_on": "2026-09-08",
  "timezone": "UTC",
  "data_segments": [
    {
      "first_date": "2011-01-04",
      "last_date": "2026-03-13",
      "stored_source": "import",
      "upstream_provider": "Not verified",
      "daily_close_convention": "Not verified"
    },
    {
      "first_date": "2026-03-14",
      "stored_source": "coingecko",
      "upstream_provider": "CoinGecko",
      "provider_documentation": "https://docs.coingecko.com/reference/simple-price",
      "daily_close_convention": "Last BTC/USD sample recorded by BitcoinReversal during the UTC calendar day; not an exchange settlement or guaranteed 23:59:59 price"
    }
  ],
  "incomplete_utc_day_included": false,
  "score_first_date": "2012-04-02",
  "warmup_observations": 455,
  "model_version": "Recovery-6 v1",
  "model_sha256": "f7fddf132c07b9fb90cf47999502c6c85ccbb24163d83150afef9c4ec6bf6093",
  "training_outcome_cutoff_exclusive": "2023-01-01",
  "training_origin_last": "2021-12-27",
  "training_observations": 509,
  "quantile_interpolation": "Piecewise linear interpolation against 101 fixed thresholds; percentile divided by 10.",
  "contribution_units": "Raw model output. Six standardized feature contributions plus intercept are quantile-mapped to 0–10. The four grouped contributions do not sum to the score.",
  "price_data_revisions": "Current API and reconstructed chart reflect current stored input history. The publication log retains first-recorded daily values.",
  "model_creation_note": "The pre-2023 cutoff describes training outcomes, not the date the model was designed or published.",
  "metadata_corrections": [
    {
      "date": "2026-09-08",
      "field": "model_sha256",
      "note": "Corrected checksum to match the bytes of the original downloadable model file. Model parameters and score values are unchanged."
    }
  ]
}