{
  "format": "p040-npz-v1",
  "file": "overnight_momentum_complete_n42.npz",
  "sha256": "0d8cb1a5b1441eb08f368a26e42e178d3492e51e78db9b3d000cdc5c434f11c5",
  "file_bytes": 2941922,
  "array_bytes": 2938320,
  "members": {
    "source_positions": {
      "dtype": "<i8",
      "shape": [
        630
      ],
      "nbytes": 5040,
      "sha256": "2819b67e2d9e3ef92a38a28155d19e955920ba5cbc7bd95a607359b16f824d8f"
    },
    "raw": {
      "dtype": "<f8",
      "shape": [
        630,
        97
      ],
      "nbytes": 488880,
      "sha256": "d1cbf96132703ac3293c6a55c408ebf4dbd2d689c3d668fffd9be98510257281"
    },
    "independent_raw": {
      "dtype": "<f8",
      "shape": [
        630,
        97
      ],
      "nbytes": 488880,
      "sha256": "277447e69d8b8185fc6b3a4d6d3e6053e53ddc1b0892343253afc6f27d1d7f47"
    },
    "ranks": {
      "dtype": "<f8",
      "shape": [
        630,
        97
      ],
      "nbytes": 488880,
      "sha256": "0ace2734c1bee6836ff773ed8849c01bde2154a7ff8e2b51f5c99e76830eff79"
    },
    "support": {
      "dtype": "|u1",
      "shape": [
        630,
        97
      ],
      "nbytes": 61110,
      "sha256": "8ea33beb70006e2e3d4f4241b511426429b38eccc260d61cb1a147cb949ea23d"
    },
    "reasons": {
      "dtype": "|u1",
      "shape": [
        630,
        97
      ],
      "nbytes": 61110,
      "sha256": "5fcc3157baf9c5f37781a5be44fb1966c114702bba96cbf2fb3a7c5ff91f7d93"
    },
    "production_sum": {
      "dtype": "<f8",
      "shape": [
        630,
        97
      ],
      "nbytes": 488880,
      "sha256": "2beddcd851153aafcedb5a7b9a5473434d1c98f84c224c7007478fe31e4894e2"
    },
    "independent_sum": {
      "dtype": "<f8",
      "shape": [
        630,
        97
      ],
      "nbytes": 488880,
      "sha256": "46284feccb5400cb61276bccb0ff049c2d817e18b11654a3cd22ac080a01835a"
    },
    "domain_difference": {
      "dtype": "|u1",
      "shape": [
        630,
        97
      ],
      "nbytes": 61110,
      "sha256": "153ea9d3f107bcff8e6d09c818f3f8fe7ce43115b31dceeb1cf474927ec5f447"
    },
    "raw_outside": {
      "dtype": "|u1",
      "shape": [
        630,
        97
      ],
      "nbytes": 61110,
      "sha256": "153ea9d3f107bcff8e6d09c818f3f8fe7ce43115b31dceeb1cf474927ec5f447"
    },
    "rank_difference": {
      "dtype": "|u1",
      "shape": [
        630,
        97
      ],
      "nbytes": 61110,
      "sha256": "153ea9d3f107bcff8e6d09c818f3f8fe7ce43115b31dceeb1cf474927ec5f447"
    },
    "zero_difference": {
      "dtype": "|u1",
      "shape": [
        630,
        97
      ],
      "nbytes": 61110,
      "sha256": "153ea9d3f107bcff8e6d09c818f3f8fe7ce43115b31dceeb1cf474927ec5f447"
    },
    "sign_difference": {
      "dtype": "|u1",
      "shape": [
        630,
        97
      ],
      "nbytes": 61110,
      "sha256": "153ea9d3f107bcff8e6d09c818f3f8fe7ce43115b31dceeb1cf474927ec5f447"
    },
    "sum_outside": {
      "dtype": "|u1",
      "shape": [
        630,
        97
      ],
      "nbytes": 61110,
      "sha256": "153ea9d3f107bcff8e6d09c818f3f8fe7ce43115b31dceeb1cf474927ec5f447"
    }
  },
  "axes": {
    "source": "source.npz",
    "rows": "source_positions",
    "columns": "source.symbols_utf8",
    "n": 42,
    "method": "cumulative",
    "independent_rank_reconstruction": "Exact L/E average percentile rank of full independent_raw row; compare with saved ranks and rank_difference."
  },
  "reason_codes": {
    "0": "valid",
    "1": "invalid_positive_price",
    "2": "invalid_direct_quotient",
    "3": "invalid_log",
    "4": "insufficient_history",
    "5": "invalid_aggregate",
    "6": "not_requested"
  },
  "semantics": "NPZ ZIP_STORED. NPY little-endian float64 preserves all bits including negative zero and NaN; bool/uint8 masks and reason codes; int64 nanoseconds; UTF-8 fixed-width byte symbols. np.load(..., allow_pickle=False). Array hashes use C-order bytes. Shared source indices are zero-based. No fill, rounding or object arrays."
}