{
  "step": 705000,
  "stats": {
    "climbmix/blocks": 25380000,
    "climbmix/targets": 42427427006,
    "climbmix/input_tokens": 42430116101,
    "ultra_qa/blocks": 9517500,
    "ultra_qa/targets": 15526937657,
    "ultra_qa/input_tokens": 15526967636,
    "cortex/blocks": 9517500,
    "cortex/targets": 361880143,
    "cortex/input_tokens": 15128656803,
    "ultra_style/blocks": 9517500,
    "ultra_style/targets": 15053668730,
    "ultra_style/input_tokens": 15054458776,
    "openmath/blocks": 6345000,
    "openmath/targets": 9804346129,
    "openmath/input_tokens": 9807612496,
    "rewrite6/blocks": 3172500,
    "rewrite6/targets": 5200843675,
    "rewrite6/input_tokens": 5206545918
  },
  "sources": {
    "climbmix": {
      "page": 3476,
      "row": 737,
      "start": {
        "file": 168,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 19,
          "row": 1024
        }
      },
      "epoch": 0,
      "offset": 0,
      "documents": 14238433
    },
    "rewrite6": {
      "page": 27,
      "row": 2327,
      "start": {
        "file": 0,
        "reader": {
          "format": "jsonl-row-v1",
          "row": 110592
        }
      },
      "epoch": 39,
      "offset": 0,
      "documents": 8123675
    },
    "openmath": {
      "page": 2172,
      "row": 1176,
      "start": {
        "file": 20,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 163,
          "row": 512
        }
      },
      "epoch": 0,
      "offset": 0,
      "documents": 8897688
    },
    "ultra_qa": {
      "page": 939,
      "row": 1127,
      "start": {
        "file": 7,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 3,
          "row": 15078
        }
      },
      "epoch": 0,
      "offset": 2048,
      "documents": 3847271
    },
    "ultra_style": {
      "page": 1433,
      "row": 3105,
      "start": {
        "file": 8,
        "reader": {
          "format": "parquet-row-v1",
          "row_group": 4,
          "row": 49271
        }
      },
      "epoch": 0,
      "offset": 2048,
      "documents": 5872673
    },
    "cortex": {
      "page": 184583,
      "row": 79,
      "start": null,
      "epoch": 0,
      "offset": 0,
      "documents": 23626703
    }
  }
}