{
 "model": "D1A-E2B-it v0.6 (experimental)",
 "base": "google/gemma-4-E2B-it",
 "base_revision": "3e22461f65e89153144f8adb70e3b8c2cc9845a7",
 "change_from_e2b_v0.6": "the trunk only: google/gemma-4-E2B (d29ff6b4) -> google/gemma-4-E2B-it (3e22461f); stage 2 uses E2B v0.6's mix and settings unchanged",
 "stage_1": {
  "recipe": "recipes/d1a-e2b.yaml (what made E2B v0.2.x) with base google/gemma-4-E2B-it",
  "suite": "evals/v7/decision-v7",
  "epochs": 2,
  "lr": 0.0001,
  "batch": 4,
  "accum": 2,
  "dtype": "bf16",
  "weights_dtype": "bf16",
  "p_none_pair": 0.25,
  "checkpoint": "kept in the private repo JohnP1/d1a-e4b-runs (e2b-it/stage1), not published",
  "weights_sha256": "ce9d3ac952af9c1045cea80e981bd0612b3efb9c199a308616886f77946bdcb7",
  "head_sha256": "d4e3e8d0f07ee1b24c7fcca957052d91ea391b92ffb1aeddc88f838c70581806"
 },
 "init_from": "stage 1 above (stage 2 starts from it, where E2B v0.6 started from E2B v0.2.1)",
 "stage": "Every later skill in one run, as E2B v0.6 (jonpol01/d1a#229): PR labels (English 4,000, Japanese 753, blast radius 1,500, and 479 hermes-agent PRs created 2026-10-02 to 10-05 shown twice), hard-v1 4,000, devtools-v1 4,000, documents-v1 2,500, JGLUE 2,000, routing factory/generic 1,216/1,000, decision-v7 1,500; 23,427 records; 1 epoch, lr 5e-5, LoRA 16 on all projections, batch 2 x accum 4, states up to 5,120 tokens, 2,929 steps",
 "release_note": "Published on the owner's decision of 2026-10-12 for an iOS proof of concept (an app that already loads Gemma 4 E2B-it), although the bar pre-registered for it (jonpol01/d1a#227, Bar B, 'good enough for apps') failed on two lines: sealed-EVAL severity -4.3 [-7.8, -1.0] against E2B v0.6 (needed >= -3) and media agreement with E4B v0.6 21/28 (needed >= 25/28). Experimental: E2B v0.6 stays E2B's model, and E4B v0.6 remains the PR labeler.",
 "bos": "The Gemma 4 E2B-it tokenizer adds no <bos>, but the model was trained with one. d1a with jonpol01/d1a#261 prepends it (bos_token_id 2); clients that encode themselves must prepend id 2.",
 "data": {
  "counts": {
   "pr-labels:fresh-fit": 958,
   "pr-labels:train": 4000,
   "pr-labels:train-ja": 753,
   "pr-labels:train-blast": 1500,
   "hard-v1:train": 4000,
   "devtools-v1:train": 4000,
   "documents-v1:train": 2500,
   "ja-jglue:train": 2000,
   "routing:factory-train": 1216,
   "routing:generic-train": 1000,
   "decision-v7:train": 1500
  },
  "records": 23427,
  "sha256": "efff4b161e2d493f3d6e33712174614964279446ed2deb65b78ad4f7cb86e7a9",
  "seed": 0,
  "fresh_prs": {
   "prs": 479,
   "passes": 2,
   "created": "2026-10-02 to 2026-10-05",
   "text": "private; aggregates only"
  },
  "leak_checks": "0 eval-state overlap, 0 PR-id overlap with the sealed fresh EVAL half and every eval partition"
 },
 "training": {
  "epochs": 1,
  "lr": 5e-05,
  "head_lr": 0.0,
  "weight_decay": 0.01,
  "lora": 16,
  "lora_targets": "all",
  "batch": 2,
  "accum": 4,
  "dtype": "bf16",
  "weights_dtype": "bf16",
  "checkpointing": 1,
  "max_state": 5120,
  "p_none": 0.1,
  "p_none_distract": 0.12,
  "p_distract": 0.15,
  "seed": 0
 },
 "compute": {
  "where": "Hugging Face Jobs, one NVIDIA L4 (24 GB), stage 1 and stage 2 in one job",
  "cost_usd_about": 3.51,
  "finished": "2026-10-12 18:33 JST",
  "stage_2_wall_seconds": 9914,
  "stage_2_peak_device_bytes": 13770881024,
  "optimizer_steps": 2929,
  "records_seen": 23427,
  "truncated_records": 0,
  "rejected_records": 0
 },
 "calibration": {
  "temperature": 1.414,
  "fit": "pooled rows: decision-v7 calibration split + PR-labeling development set",
  "questions": 3178,
  "interval_90": [
   1.35,
   1.481
  ],
  "ece_raw": 0.053,
  "ece_out_of_fold": 0.02,
  "use_case_temperatures": "none"
 },
 "code": "github.com/jonpol01/d1a (d1a.training.train, d1a.training.recipe): v0.6's commit b17f3077 plus the <bos> fix (branch e2b-it-bos, da9b5bfc; merged as jonpol01/d1a#261, b4b0f989)"
}