Pith Number

pith:WCYOYPRQ

pith:2023:WCYOYPRQEDEZ5WZDJ3VDKY4R7N

not attested not anchored not stored refs pending

Reward Model Ensembles Help Mitigate Overoptimization

David Krueger, Robert Kirk, Thomas Coste, Usman Anwar

arxiv:2310.02743 v2 · 2023-10-04 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCYOYPRQEDEZ5WZDJ3VDKY4R7N}

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

19 papers in Pith

More Convincing, Not More Correct: Self-Play Reward Hacking of Reference-Free LLM Judges

Designing Reward Signals for Portable Query Generation: A Case Study in Industrial Semantic Job Search

Against Proxy Optimization

Uncertainty-Aware Reward Modeling for Stable RLHF

Proxy Reward Internalization and Mechanistic Exploitation: A Learned Precursor to Reward Hacking and Its Generalization

Receipt and verification

First computed	2026-07-05T07:54:04.454145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b0ec3e3020c99edb234eea356391fb52b2a49f6f72bd41edc78c2cc483f8ff

Aliases

arxiv: 2310.02743 · arxiv_version: 2310.02743v2 · doi: 10.48550/arxiv.2310.02743 · pith_short_12: WCYOYPRQEDEZ · pith_short_16: WCYOYPRQEDEZ5WZD · pith_short_8: WCYOYPRQ

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/WCYOYPRQEDEZ5WZDJ3VDKY4R7N \
  | 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: b0b0ec3e3020c99edb234eea356391fb52b2a49f6f72bd41edc78c2cc483f8ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f87915085338a6513ba5ca056b89c1f8c5a1a5e5cca6b29ceb7232990fab219",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-10-04T11:34:22Z",
    "title_canon_sha256": "22814d6a9c05683e758f9a248dcf493e5df4e87d1ab1b3b5c992955c7823bc66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.02743",
    "kind": "arxiv",
    "version": 2
  }
}