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  },
  {
   "step": 245674,
   "tokens": 64401965056,
   "kind": "fp8",
   "path": "checkpoints/fp8/step_00245674.safetensors",
   "val_bpb": null,
   "utc": "2026-10-05T18:01:21Z"
  },
  {
   "step": 245674,
   "tokens": 64401965056,
   "kind": "resume",
   "path": "resume/latest.pt",
   "val_bpb": null,
   "utc": "2026-10-05T18:01:21Z"
  }
 ],
 "data_state": {
  "dataset": "anneal-mix",
  "rows_consumed": 1638795,
  "epoch": 0
 },
 "notes": [
  {
   "utc": "2026-09-20T11:48:12Z",
   "msg": "manifest created"
  },
  {
   "utc": "2026-09-20T11:48:18Z",
   "msg": "HEAD_BIRTH revival_birth at step 0: {\"op\": \"head_revival\", \"K\": 256, \"D\": 256, \"theta_deg\": 45.0, \"seed\": 13, \"minsep_pushes\": 0, \"sv0\": 3453.427001953125, \"svD\": 32.652549743652344, \"s_norm\": 0.039483070373535156, \"s_relvar\": 0.9831421971321106, \"alpha\": 16.0, \"w_s_norm\": 5322.16650390625, \"fit_positions\": 131072, \"base_bpb\": 8.257663053644135, \"revived_bpb\": 5.450982551860082, \"delta_bpb\": -2.8066805017840535, \"alpha_at_boundary\":"
  },
  {
   "utc": "2026-09-20T13:07:54Z",
   "msg": "phase 'warmup_wikitext' complete at 300,154,880 tokens"
  },
  {
   "utc": "2026-09-24T07:49:37Z",
   "msg": "phase 'fineweb_main' complete at 20,900,216,832 tokens"
  },
  {
   "utc": "2026-09-24T07:51:41Z",
   "msg": "data plane AMENDED at a boundary {'recipe_hash': ('6d64747bdbd1', '8dd533923f8f'), 'minted_lexicon': (None, '6c69c6345d3e')}: Phil ruled 2026-09-22 ~15:5x (\"Set the recommended changes.\"): the dial screen recommendation (canon DIAL, two seeds): pair rate .50, the rules arm at lambda 2, minted share .24; every stage arm at lambda 2 (the record: 1 misses the quiet bar on hard pools, 2 meets it with margin at no closure cost)"
  },
  {
   "utc": "2026-09-24T20:08:09Z",
   "msg": "phase 'curriculum_s0' complete at 2,800,222,208 tokens"
  },
  {
   "utc": "2026-09-25T22:55:32Z",
   "msg": "phase 'curriculum_s1' complete at 2,800,222,208 tokens"
  },
  {
   "utc": "2026-09-28T00:58:03Z",
   "msg": "phase 'curriculum_s2' complete at 4,000,055,296 tokens"
  },
  {
   "utc": "2026-09-29T19:27:19Z",
   "msg": "phase 'curriculum_s3' complete at 4,800,118,784 tokens"
  },
  {
   "utc": "2026-10-01T07:38:15Z",
   "msg": "phase 'curriculum_s4' complete at 4,800,118,784 tokens"
  },
  {
   "utc": "2026-10-02T01:13:22Z",
   "msg": "phase 'curriculum_s5' complete at 4,000,055,296 tokens"
  },
  {
   "utc": "2026-10-02T15:11:18Z",
   "msg": "phase 'curriculum_s6' complete at 3,200,253,952 tokens"
  },
  {
   "utc": "2026-10-03T16:04:31Z",
   "msg": "phase 'curriculum_s7' complete at 5,600,182,272 tokens"
  },
  {
   "utc": "2026-10-04T06:57:47Z",
   "msg": "phase 'curriculum_s8' complete at 3,200,253,952 tokens"
  },
  {
   "utc": "2026-10-05T00:33:25Z",
   "msg": "phase 'anneal_nochat' complete at 4,000,055,296 tokens"
  },
  {
   "utc": "2026-10-05T18:00:24Z",
   "msg": "phase 'anneal_mix' complete at 4,000,055,296 tokens"
  }
 ],
 "halt": null,
 "data_plane": {
  "data_scale": 4.0,
  "epoch_cap": 2.0,
  "rebalance_to": "generators",
  "recipe_hash": "8dd533923f8f",
  "minted_lexicon": "6c69c6345d3e"
 }
}