Pith Number

pith:5KSMKQEQ

pith:2025:5KSMKQEQTFDGRQS2P7X6TCKEBS

not attested not anchored not stored refs pending

Trust Region Masking for Long-Horizon LLM Reinforcement Learning

Baoxiang Wang, Jiacai Liu, Jiawei Xu, Qian Liu, Yingru Li, Yuxuan Tong, Ziniu Li

arxiv:2512.23075 v5 · 2025-12-28 · cs.LG · cs.AI · cs.IT · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5KSMKQEQTFDGRQS2P7X6TCKEBS}

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.

Cited by

3 papers in Pith

Beyond Uniform Token-Level Trust Region in LLM Reinforcement Learning

Reformulate LLM Reinforcement Learning for Efficient Training under Black-box Discrepancy

$\boldsymbol{f}$-OPD: Stabilizing Long-Horizon On-Policy Distillation with Freshness-Aware Control

Receipt and verification

First computed	2026-06-29T01:14:27.352702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaa4c54090994668c25a7fefe989440c8946c1bfd47a873f3b36276b29db8f4d

Aliases

arxiv: 2512.23075 · arxiv_version: 2512.23075v5 · doi: 10.48550/arxiv.2512.23075 · pith_short_12: 5KSMKQEQTFDG · pith_short_16: 5KSMKQEQTFDGRQS2 · pith_short_8: 5KSMKQEQ

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/5KSMKQEQTFDGRQS2P7X6TCKEBS \
  | 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: eaa4c54090994668c25a7fefe989440c8946c1bfd47a873f3b36276b29db8f4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff5e630669c2d118d222ab868ce05f72ff3fe46e8b31d152311778b1803470e5",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-12-28T20:41:59Z",
    "title_canon_sha256": "791dd4ade81f9a4101a90af7649755dea2033752524de98d8cf21522024ff2ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.23075",
    "kind": "arxiv",
    "version": 5
  }
}