Pith Number

pith:XBP5CBPC

pith:2026:XBP5CBPC5NOBOJPEGDOOFJVZFJ

not attested not anchored not stored refs pending

The Flip Side of RLHF: On-Policy Feedback for Reward Model Self-Supervised Improvement

Jiaqi Li, Min Tang, Qi Liu, Tong Wu, Xiaobo Wang, Zilong Zheng

arxiv:2605.30888 v1 · 2026-05-29 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XBP5CBPC5NOBOJPEGDOOFJVZFJ}

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	2026-06-01T01:03:23.353029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b85fd105e2eb5c1725e430dce2a6b92a7744256222a43e21915f20bce7e4eba9

Aliases

arxiv: 2605.30888 · arxiv_version: 2605.30888v1 · doi: 10.48550/arxiv.2605.30888 · pith_short_12: XBP5CBPC5NOB · pith_short_16: XBP5CBPC5NOBOJPE · pith_short_8: XBP5CBPC

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/XBP5CBPC5NOBOJPEGDOOFJVZFJ \
  | 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: b85fd105e2eb5c1725e430dce2a6b92a7744256222a43e21915f20bce7e4eba9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c9992854c0871af57a7263b526968a6ae3be8e9483b66796fe09f9f5659cc75",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-29T06:25:16Z",
    "title_canon_sha256": "bbc9e2ee339a6f2ea3c4d91cbf7fd694f8ca2826a10f25fe68f4f2da07753bfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30888",
    "kind": "arxiv",
    "version": 1
  }
}