{
  "step": 805000,
  "stats": {
    "climbmix/blocks": 28980000,
    "climbmix/targets": 48444394688,
    "climbmix/input_tokens": 48447464623,
    "ultra_qa/blocks": 10867500,
    "ultra_qa/targets": 17729141745,
    "ultra_qa/input_tokens": 17729175912,
    "cortex/blocks": 10867500,
    "cortex/targets": 413246363,
    "cortex/input_tokens": 17274632186,
    "ultra_style/blocks": 10867500,
    "ultra_style/targets": 17189552467,
    "ultra_style/input_tokens": 17190453888,
    "openmath/blocks": 7245000,
    "openmath/targets": 11194750151,
    "openmath/input_tokens": 11198479888,
    "rewrite6/blocks": 3622500,
    "rewrite6/targets": 5938628484,
    "rewrite6/input_tokens": 5945139165
  },
  "sources": {
    "climbmix": {
      "page": 3969,
      "row": 558,
      "start": {
        "file": 192,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 9,
          "row": 1024
        }
      },
      "epoch": 0,
      "offset": 2048,
      "documents": 16257582
    },
    "rewrite6": {
      "page": 7,
      "row": 3564,
      "start": {
        "file": 0,
        "reader": {
          "format": "jsonl-row-v1",
          "row": 28672
        }
      },
      "epoch": 45,
      "offset": 0,
      "documents": 9275416
    },
    "openmath": {
      "page": 2480,
      "row": 1695,
      "start": {
        "file": 23,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 115,
          "row": 130
        }
      },
      "epoch": 0,
      "offset": 0,
      "documents": 10159775
    },
    "ultra_qa": {
      "page": 1072,
      "row": 2161,
      "start": {
        "file": 8,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 3,
          "row": 40360
        }
      },
      "epoch": 0,
      "offset": 2048,
      "documents": 4393073
    },
    "ultra_style": {
      "page": 1636,
      "row": 3207,
      "start": {
        "file": 9,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 6,
          "row": 27157
        }
      },
      "epoch": 0,
      "offset": 2048,
      "documents": 6704263
    },
    "cortex": {
      "page": 210760,
      "row": 21,
      "start": null,
      "epoch": 0,
      "offset": 0,
      "documents": 26977301
    }
  }
}