Pith Number

pith:K3TXS2NU

pith:2025:K3TXS2NUENFRU7RW3M55AZC6CR

not attested not anchored not stored refs pending

Learning a Pessimistic Reward Model in RLHF

Gagandeep Singh, Hangoo Kang, Tarun Suresh, Yinglun Xu, Yuxuan Wan

arxiv:2505.20556 v1 · 2025-05-26 · 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{K3TXS2NUENFRU7RW3M55AZC6CR}

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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

3 papers in Pith

A Unifying Lens on Reward Uncertainty in RLHF

Benchmarking and Improving Monitors for Out-Of-Distribution Alignment Failure in LLMs

Wasserstein Distributionally Robust Regret Optimization for Reinforcement Learning from Human Feedback

Receipt and verification

First computed	2026-07-05T11:10:14.517527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56e77969b4234b1a7e36db3bd0645e147c3c3d15248b36f4a5d0ac6ff1888435

Aliases

arxiv: 2505.20556 · arxiv_version: 2505.20556v1 · doi: 10.48550/arxiv.2505.20556 · pith_short_12: K3TXS2NUENFR · pith_short_16: K3TXS2NUENFRU7RW · pith_short_8: K3TXS2NU

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/K3TXS2NUENFRU7RW3M55AZC6CR \
  | 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: 56e77969b4234b1a7e36db3bd0645e147c3c3d15248b36f4a5d0ac6ff1888435

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "653691fd06638cfddc9af3c1b977575066a797867de976736c7a612ea76b80cd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-26T22:34:42Z",
    "title_canon_sha256": "14ef1f6ad76ec6f3225103f6b3cb2135b44e6f53123697cbd363a543eb3d02f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.20556",
    "kind": "arxiv",
    "version": 1
  }
}