Pith Number

pith:GNOCPX6B

pith:2026:GNOCPX6BGSRCEMIOGR4MNSS2RQ

not attested not anchored not stored refs pending

rePIRL: Learn PRM with Inverse RL for LLM Reasoning

Kaijie Zhu, Lun Wang, Wenbo Guo, Xian Wu, Ying Zhang

arxiv:2602.07832 v2 · 2026-02-08 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GNOCPX6BGSRCEMIOGR4MNSS2RQ}

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	2026-05-21T01:04:22.550047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

335c27dfc134a222310e3478c6ca5a8c1557472d21508f64ab701306964383b1

Aliases

arxiv: 2602.07832 · arxiv_version: 2602.07832v2 · doi: 10.48550/arxiv.2602.07832 · pith_short_12: GNOCPX6BGSRC · pith_short_16: GNOCPX6BGSRCEMIO · pith_short_8: GNOCPX6B

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/GNOCPX6BGSRCEMIOGR4MNSS2RQ \
  | 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: 335c27dfc134a222310e3478c6ca5a8c1557472d21508f64ab701306964383b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "007badd1aec1adbe14c5e4652294374b3e5e37de24771f7a013f3834f4a4f670",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-08T05:47:27Z",
    "title_canon_sha256": "509a323776fed6f653fed2861c8f25c96cb7c38854b1ab726bc74d56f2a41cca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.07832",
    "kind": "arxiv",
    "version": 2
  }
}