Pith Number

pith:25F6FDL3

pith:2025:25F6FDL3KHXNTWCRSRLRQLZZDR

not attested not anchored not stored refs pending

EPO: Explicit Policy Optimization for Strategic Reasoning in LLMs via Reinforcement Learning

Aobo Kong, Fei Huang, Jianbin Jiao, Junge Zhang, Ke Wang, Wentao Ma, Xiaoqian Liu, Yongbin Li, Yuchuan Wu

arxiv:2502.12486 v6 · 2025-02-18 · 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{25F6FDL3KHXNTWCRSRLRQLZZDR}

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

SAVOIR: Learning Social Savoir-Faire via Shapley-based Reward Attribution

Receipt and verification

First computed	2026-07-05T11:10:52.879350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d74be28d7b51eed9d8519457182f391c587adf3e04de16054b2e997cf8580cb2

Aliases

arxiv: 2502.12486 · arxiv_version: 2502.12486v6 · doi: 10.48550/arxiv.2502.12486 · pith_short_12: 25F6FDL3KHXN · pith_short_16: 25F6FDL3KHXNTWCR · pith_short_8: 25F6FDL3

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/25F6FDL3KHXNTWCRSRLRQLZZDR \
  | 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: d74be28d7b51eed9d8519457182f391c587adf3e04de16054b2e997cf8580cb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30f8c7f789c43f451eaeef6b153562cde590d32b0fd4909de5031927f6ff95ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-18T03:15:55Z",
    "title_canon_sha256": "61fc320e7496eb1eb88d7d54ad80a76140f753600db3f1da6f159960318fcd17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.12486",
    "kind": "arxiv",
    "version": 6
  }
}