Pith Number

pith:LYQENBTY

pith:2025:LYQENBTYWA6NS7BAHOHCXOVAS6

not attested not anchored not stored refs pending

Libra: Assessing and Improving Reward Model by Learning to Think

Bei Li, Jiahao Liu, Jingang Wang, Meng Zhou, Rongxiang Weng, Xiaowen Shi, Xunliang Cai, Yang Bai

arxiv:2507.21645 v1 · 2025-07-29 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYQENBTYWA6NS7BAHOHCXOVAS6}

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

1 paper in Pith

Trust Region On-Policy Distillation

Receipt and verification

First computed	2026-07-05T11:45:03.772387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e20468678b03cd97c203b8e2bbaa097b141cf6218bff068e3c85408d2a10fb6

Aliases

arxiv: 2507.21645 · arxiv_version: 2507.21645v1 · doi: 10.48550/arxiv.2507.21645 · pith_short_12: LYQENBTYWA6N · pith_short_16: LYQENBTYWA6NS7BA · pith_short_8: LYQENBTY

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/LYQENBTYWA6NS7BAHOHCXOVAS6 \
  | 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: 5e20468678b03cd97c203b8e2bbaa097b141cf6218bff068e3c85408d2a10fb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "949b3fe2c25f9f21cf5ffaf7d298f94f250bd79127e51ad8a3b15902824b56aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-07-29T10:02:43Z",
    "title_canon_sha256": "c20fec2ede04002d11726c0ccbe4c2b1d211f1dd49b11031a32ae76bb8c10e99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21645",
    "kind": "arxiv",
    "version": 1
  }
}