{
  "step": 395000,
  "stats": {
    "climbmix/blocks": 14220000,
    "climbmix/targets": 23770575825,
    "climbmix/input_tokens": 23772081480,
    "ultra_qa/blocks": 5332500,
    "ultra_qa/targets": 8699064740,
    "ultra_qa/input_tokens": 8699081510,
    "cortex/blocks": 5332500,
    "cortex/targets": 202831075,
    "cortex/input_tokens": 8476791839,
    "ultra_style/blocks": 5332500,
    "ultra_style/targets": 8434525911,
    "ultra_style/input_tokens": 8434968028,
    "openmath/blocks": 3555000,
    "openmath/targets": 5493545787,
    "openmath/input_tokens": 5495376342,
    "rewrite6/blocks": 1777500,
    "rewrite6/targets": 2913987031,
    "rewrite6/input_tokens": 2917181699
  },
  "sources": {
    "climbmix": {
      "page": 1947,
      "row": 2219,
      "start": {
        "file": 94,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 20,
          "row": 1024
        }
      },
      "epoch": 0,
      "offset": 12288,
      "documents": 7977131
    },
    "rewrite6": {
      "page": 7,
      "row": 3678,
      "start": {
        "file": 0,
        "reader": {
          "format": "jsonl-row-v1",
          "row": 28672
        }
      },
      "epoch": 22,
      "offset": 0,
      "documents": 4551238
    },
    "openmath": {
      "page": 1217,
      "row": 561,
      "start": {
        "file": 11,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 181,
          "row": 682
        }
      },
      "epoch": 0,
      "offset": 0,
      "documents": 4985393
    },
    "ultra_qa": {
      "page": 526,
      "row": 988,
      "start": {
        "file": 4,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 1,
          "row": 11508
        }
      },
      "epoch": 0,
      "offset": 2048,
      "documents": 2155484
    },
    "ultra_style": {
      "page": 803,
      "row": 968,
      "start": {
        "file": 4,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 6,
          "row": 39519
        }
      },
      "epoch": 0,
      "offset": 2048,
      "documents": 3290056
    },
    "cortex": {
      "page": 103426,
      "row": 6,
      "start": null,
      "epoch": 0,
      "offset": 0,
      "documents": 13238534
    }
  }
}