{
  "sessions_completed": 14,
  "total_steps_completed": 2594,
  "latest_checkpoint": "checkpoint-2594",
  "shard_size_examples": 70,
  "total_examples": 61817,
  "next_start_index": 20770,
  "history": [
    {
      "session": 1,
      "checkpoint": "checkpoint-8",
      "start_idx": 0,
      "end_idx": 70,
      "examples_trained": 70,
      "steps_trained_in_session": 8,
      "timestamp_utc": "2026-01-29T20:56:03.593311+00:00"
    },
    {
      "session": 2,
      "checkpoint": "checkpoint-95",
      "start_idx": 70,
      "end_idx": 770,
      "examples_trained": 700,
      "steps_trained_in_session": 87,
      "timestamp_utc": "2026-01-29T22:20:41.201706+00:00"
    },
    {
      "session": 3,
      "checkpoint": "checkpoint-157",
      "start_idx": 770,
      "end_idx": 1270,
      "examples_trained": 500,
      "steps_trained_in_session": 62,
      "timestamp_utc": "2026-02-03T22:22:26.699649+00:00"
    },
    {
      "session": 4,
      "checkpoint": "checkpoint-782",
      "start_idx": 1270,
      "end_idx": 6270,
      "examples_trained": 5000,
      "steps_trained_in_session": 625,
      "timestamp_utc": "2026-02-04T00:56:17.983892+00:00"
    },
    {
      "session": 5,
      "checkpoint": "checkpoint-1032",
      "start_idx": 6270,
      "end_idx": 8270,
      "examples_trained": 2000,
      "steps_trained_in_session": 250,
      "timestamp_utc": "2026-02-04T10:27:45.818950+00:00"
    },
    {
      "session": 6,
      "checkpoint": "checkpoint-1282",
      "start_idx": 8270,
      "end_idx": 10270,
      "examples_trained": 2000,
      "steps_trained_in_session": 250,
      "timestamp_utc": "2026-02-04T17:49:05.163174+00:00"
    },
    {
      "session": 7,
      "checkpoint": "checkpoint-1532",
      "start_idx": 10270,
      "end_idx": 12270,
      "examples_trained": 2000,
      "steps_trained_in_session": 250,
      "timestamp_utc": "2026-02-05T17:47:37.601643+00:00"
    },
    {
      "session": 8,
      "checkpoint": "checkpoint-1782",
      "start_idx": 12270,
      "end_idx": 14270,
      "examples_trained": 2000,
      "steps_trained_in_session": 250,
      "timestamp_utc": "2026-02-05T18:57:38.299074+00:00"
    },
    {
      "session": 9,
      "checkpoint": "checkpoint-2032",
      "start_idx": 14270,
      "end_idx": 16270,
      "examples_trained": 2000,
      "steps_trained_in_session": 250,
      "timestamp_utc": "2026-02-05T20:09:45.442993+00:00"
    },
    {
      "session": 10,
      "checkpoint": "checkpoint-2094",
      "start_idx": 16270,
      "end_idx": 16770,
      "examples_trained": 500,
      "steps_trained_in_session": 62,
      "timestamp_utc": "2026-02-05T21:56:51.128711+00:00"
    },
    {
      "session": 11,
      "checkpoint": "checkpoint-2219",
      "start_idx": 16770,
      "end_idx": 17770,
      "examples_trained": 1000,
      "steps_trained_in_session": 125,
      "timestamp_utc": "2026-02-06T16:24:58.708003+00:00"
    },
    {
      "session": 12,
      "checkpoint": "checkpoint-2344",
      "start_idx": 17770,
      "end_idx": 18770,
      "examples_trained": 1000,
      "steps_trained_in_session": 125,
      "timestamp_utc": "2026-02-06T20:48:36.167842+00:00"
    },
    {
      "session": 13,
      "checkpoint": "checkpoint-2469",
      "start_idx": 18770,
      "end_idx": 19770,
      "examples_trained": 1000,
      "steps_trained_in_session": 125,
      "timestamp_utc": "2026-02-06T21:27:50.889352+00:00"
    },
    {
      "session": 14,
      "checkpoint": "checkpoint-2594",
      "start_idx": 19770,
      "end_idx": 20770,
      "examples_trained": 1000,
      "steps_trained_in_session": 125,
      "timestamp_utc": "2026-02-06T22:16:08.573929+00:00"
    }
  ]
}