{
  "step": 965000,
  "stats": {
    "climbmix/blocks": 34740000,
    "climbmix/targets": 58074898975,
    "climbmix/input_tokens": 58078578876,
    "ultra_qa/blocks": 13027500,
    "ultra_qa/targets": 21253284217,
    "ultra_qa/input_tokens": 21253325041,
    "cortex/blocks": 13027500,
    "cortex/targets": 495374770,
    "cortex/input_tokens": 20708481919,
    "ultra_style/blocks": 13027500,
    "ultra_style/targets": 20605371821,
    "ultra_style/input_tokens": 20606451606,
    "openmath/blocks": 8685000,
    "openmath/targets": 13419500477,
    "openmath/input_tokens": 13423972043,
    "rewrite6/blocks": 4342500,
    "rewrite6/targets": 7118963627,
    "rewrite6/input_tokens": 7126768533
  },
  "sources": {
    "climbmix": {
      "page": 4757,
      "row": 3358,
      "start": {
        "file": 230,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 23,
          "row": 1024
        }
      },
      "epoch": 0,
      "offset": 12288,
      "documents": 19488030
    },
    "rewrite6": {
      "page": 6,
      "row": 2806,
      "start": {
        "file": 0,
        "reader": {
          "format": "jsonl-row-v1",
          "row": 24576
        }
      },
      "epoch": 54,
      "offset": 0,
      "documents": 11119198
    },
    "openmath": {
      "page": 2973,
      "row": 2684,
      "start": {
        "file": 27,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 387,
          "row": 862
        }
      },
      "epoch": 0,
      "offset": 0,
      "documents": 12180092
    },
    "ultra_qa": {
      "page": 1285,
      "row": 2671,
      "start": {
        "file": 10,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 1,
          "row": 2584
        }
      },
      "epoch": 0,
      "offset": 2048,
      "documents": 5266031
    },
    "ultra_style": {
      "page": 1961,
      "row": 4055,
      "start": {
        "file": 11,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 5,
          "row": 73877
        }
      },
      "epoch": 0,
      "offset": 4096,
      "documents": 8036311
    },
    "cortex": {
      "page": 252652,
      "row": 24,
      "start": null,
      "epoch": 0,
      "offset": 0,
      "documents": 32339480
    }
  }
}