Pith Number

pith:T2BHHEGJ

pith:2024:T2BHHEGJGAJJ7XE4NZMXUFXOLO

not attested not anchored not stored refs pending

ROPO: Robust Preference Optimization for Large Language Models

Chao Chen, Feng Wu, Jieping Ye, Jie Wang, Shuang Qiu, Xize Liang, Yue Wu, Zhihang Fu, Zhihao Shi

arxiv:2404.04102 v2 · 2024-04-05 · cs.LG · cs.AI · 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{T2BHHEGJGAJJ7XE4NZMXUFXOLO}

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

4 papers in Pith

How Humans Help LLMs: Assessing and Incentivizing Human Preference Annotators

Incentivizing High-Quality Human Annotations with Golden Questions

Users as Annotators: LLM Preference Learning from Comparison Mode

Response Time Enhances Alignment with Heterogeneous Preferences

Receipt and verification

First computed	2026-07-05T08:24:04.293975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e827390c930129fdc9c6e597a16ee5b94715449889977961d5a5b600f2553ad

Aliases

arxiv: 2404.04102 · arxiv_version: 2404.04102v2 · doi: 10.48550/arxiv.2404.04102 · pith_short_12: T2BHHEGJGAJJ · pith_short_16: T2BHHEGJGAJJ7XE4 · pith_short_8: T2BHHEGJ

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/T2BHHEGJGAJJ7XE4NZMXUFXOLO \
  | 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: 9e827390c930129fdc9c6e597a16ee5b94715449889977961d5a5b600f2553ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8b68160dcd00e839814dc0210a64940ea4b091153659781b65b0906f3e6a80d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-04-05T13:58:51Z",
    "title_canon_sha256": "b3508be7778c5fea26115096fccfe93f6f1638b09f245ae7064793a06a90f6bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.04102",
    "kind": "arxiv",
    "version": 2
  }
}