Pith Number

pith:MFSZ5HAV

pith:2026:MFSZ5HAVI7Q6CYE63HJ45O57AN

not attested not anchored not stored refs pending

Reusing Rollouts under Policy Lag: Prefix-Normalized Policy Optimization for LLM Reinforcement Learning

alantzhao, Haoyang Long, Huan Xiong, jasperawang, Jiahua Yang, Jiali Xu, Lei Jiang, Rui Wang, Wenhao Zhang, Yawei Wang, Yibo Xie, Zibo Yang

arxiv:2608.01418 v1 · 2026-08-02 · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MFSZ5HAVI7Q6CYE63HJ45O57AN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-08-04T02:05:11.564616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61659e9c1547e1e1609ed9d3cebbbf0356112596c45eee590f9f0302bae80ae7

Aliases

arxiv: 2608.01418 · arxiv_version: 2608.01418v1 · doi: 10.48550/arxiv.2608.01418 · pith_short_12: MFSZ5HAVI7Q6 · pith_short_16: MFSZ5HAVI7Q6CYE6 · pith_short_8: MFSZ5HAV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MFSZ5HAVI7Q6CYE63HJ45O57AN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 61659e9c1547e1e1609ed9d3cebbbf0356112596c45eee590f9f0302bae80ae7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f39b2caf9ff7db46e830fb06e52581c2aaf01560018e5b25279f4dc9d808612",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-02T18:02:03Z",
    "title_canon_sha256": "feb6b41014c685fe2a0b1201ce26e1f54e221d69809561aa4057992bd2aa9966"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01418",
    "kind": "arxiv",
    "version": 1
  }
}