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Pith Number

pith:OHHQ2XTR

pith:2025:OHHQ2XTR6254YJFUOZYXM4TFND
not attested not anchored not stored refs pending

It Takes Two: Your GRPO Is Secretly DPO

Chenyang Huang, Jian-Yun Nie, Kejia Chen, Lei Ding, Liheng Ma, Mark Coates, Muzhi Li, Xinyu Wang, Yihong Wu, Yingxue Zhang, Zhanguang Zhang, Zhan Su

arxiv:2510.00977 v3 · 2025-10-01 · cs.LG · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OHHQ2XTR6254YJFUOZYXM4TFND}

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

5 papers in Pith

Receipt and verification
First computed 2026-05-17T23:39:17.355423Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

71cf0d5e71f6bbcc24b4767176726568fb0f8d0a8031e731fa8e54c4e1654ca9

Aliases

arxiv: 2510.00977 · arxiv_version: 2510.00977v3 · doi: 10.48550/arxiv.2510.00977 · pith_short_12: OHHQ2XTR6254 · pith_short_16: OHHQ2XTR6254YJFU · pith_short_8: OHHQ2XTR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OHHQ2XTR6254YJFUOZYXM4TFND \
  | 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: 71cf0d5e71f6bbcc24b4767176726568fb0f8d0a8031e731fa8e54c4e1654ca9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a537643ed34f35265a8ce2d9ad6a1e649e6c0b1c0fa78d3f19951782d0e83e53",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-10-01T14:52:11Z",
    "title_canon_sha256": "8b357b7795e76241955f62a7d7b64b7329669151c11d1fe1851be1d2c5a2b2ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.00977",
    "kind": "arxiv",
    "version": 3
  }
}