Pith Number

pith:P5EBSRFX

pith:2025:P5EBSRFXGDRMXIIEEYFDSH7VBM

not attested not anchored not stored refs pending

Rethinking Reward Model Evaluation Through the Lens of Reward Overoptimization

Dongha Lee, Dongjin Kang, Hyungjoo Chae, Jinyoung Yeo, Sunghwan Kim, Taeyoon Kwon

arxiv:2505.12763 v1 · 2025-05-19 · cs.LG · cs.AI · cs.CL

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\usepackage{pith}
\pithnumber{P5EBSRFXGDRMXIIEEYFDSH7VBM}

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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

RewardAnything: Generalizable Principle-Following Reward Models

Receipt and verification

First computed	2026-07-05T11:05:09.279126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f481944b730e2cba104260a391ff50b35f85071a169b73318ac2fbe456cce91

Aliases

arxiv: 2505.12763 · arxiv_version: 2505.12763v1 · doi: 10.48550/arxiv.2505.12763 · pith_short_12: P5EBSRFXGDRM · pith_short_16: P5EBSRFXGDRMXIIE · pith_short_8: P5EBSRFX

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/P5EBSRFXGDRMXIIEEYFDSH7VBM \
  | 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: 7f481944b730e2cba104260a391ff50b35f85071a169b73318ac2fbe456cce91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1ab17c071831beae7ca208d8ab4f96d102018fdb6545f4beca933837f2bd36b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-19T06:43:08Z",
    "title_canon_sha256": "a2104d8db54b9298b341a4a6acf44e0a447e2f440c5fb4768f63fe5a7097a919"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.12763",
    "kind": "arxiv",
    "version": 1
  }
}