Pith Number

pith:66SCQFUP

pith:2026:66SCQFUPBZWNBOGCX2LAABXGZ3

not attested not anchored not stored refs pending

Mitigating Reward Hacking in RLHF via Bayesian Non-negative Reward Modeling

Bo Chen, Dandan Guo, Guowei Rong, Mingyuan Zhou, Zhibin Duan, Zhuo Li

arxiv:2602.10623 v2 · 2026-02-11 · 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{66SCQFUPBZWNBOGCX2LAABXGZ3}

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

2 papers in Pith

Reward Hacking in the Era of Large Models: Mechanisms, Emergent Misalignment, Challenges

Towards Robust LLM Post-Training: Automatic Failure Management for Reinforcement Fine-Tuning

Receipt and verification

First computed	2026-06-02T02:04:51.260987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7a428168f0e6cd0b8c2be960006e6cef67838f16c73f3eade98f27cc7e8c412

Aliases

arxiv: 2602.10623 · arxiv_version: 2602.10623v2 · doi: 10.48550/arxiv.2602.10623 · pith_short_12: 66SCQFUPBZWN · pith_short_16: 66SCQFUPBZWNBOGC · pith_short_8: 66SCQFUP

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/66SCQFUPBZWNBOGCX2LAABXGZ3 \
  | 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: f7a428168f0e6cd0b8c2be960006e6cef67838f16c73f3eade98f27cc7e8c412

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdac920b6bd0325be53997b4e85dbade2248d0139cc07363dba702f2152fccd0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-11T08:14:11Z",
    "title_canon_sha256": "21bc7b47a648758e1a148cb65206456dc106954aa8749b94fda6e372fe7f11e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.10623",
    "kind": "arxiv",
    "version": 2
  }
}