Pith Number

pith:DJERVDEO

pith:2026:DJERVDEORMFD7KIAACCXJJEJGV

not attested not anchored not stored refs pending

Rethinking Personalized Reward Modeling for LLMs under Preference Heterogeneity via Group-Debiased Federated Learning

Boryeong Cho, Jihwan Oh, Seokhyun Chung, Seongyoon Kim, Se-Young Yun

arxiv:2608.01556 v1 · 2026-08-03 · 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{DJERVDEORMFD7KIAACCXJJEJGV}

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	2026-08-04T02:05:58.587813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a491a8c8e8b0a3fa900008574a489354f6319a1464d1ccfa3229e69cbb96883

Aliases

arxiv: 2608.01556 · arxiv_version: 2608.01556v1 · doi: 10.48550/arxiv.2608.01556 · pith_short_12: DJERVDEORMFD · pith_short_16: DJERVDEORMFD7KIA · pith_short_8: DJERVDEO

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/DJERVDEORMFD7KIAACCXJJEJGV \
  | 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: 1a491a8c8e8b0a3fa900008574a489354f6319a1464d1ccfa3229e69cbb96883

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1843317de42795e4a1360dc59c57ab3b7e1ce55d5a1b58cffc0cc0b04f05f076",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-03T00:25:52Z",
    "title_canon_sha256": "2543a0727cbf6339d8d0d6abd4d6e0080d9852e3d5fd235e97f183d649298763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01556",
    "kind": "arxiv",
    "version": 1
  }
}