Pith Number

pith:DDIXXFDK

pith:2026:DDIXXFDK4ISUWYPPRLBRUEWLLZ

not attested not anchored not stored refs pending

The Weakest Link Tells It All: Outcome-Supervised Process Reward Modeling via Learnable Credit Assignment

Hongxin Ding, Junfeng Zhao, Rihong Qiu, Tianyu Jia, Xu Chu, Yasha Wang, Yue Fang, Zhibang Yang, Zhijing Wu

arxiv:2606.27739 v1 · 2026-06-26 · 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{DDIXXFDK4ISUWYPPRLBRUEWLLZ}

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	2026-06-29T01:14:47.077442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18d17b946ae2254b61ef8ac31a12cb5e77cde37b608f534c9c961da6199e94ec

Aliases

arxiv: 2606.27739 · arxiv_version: 2606.27739v1 · doi: 10.48550/arxiv.2606.27739 · pith_short_12: DDIXXFDK4ISU · pith_short_16: DDIXXFDK4ISUWYPP · pith_short_8: DDIXXFDK

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/DDIXXFDK4ISUWYPPRLBRUEWLLZ \
  | 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: 18d17b946ae2254b61ef8ac31a12cb5e77cde37b608f534c9c961da6199e94ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "568b9c14fbca4a17394ab29619f1abfffacf8b2cfa832e630a75a99db2939ce7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-26T05:38:08Z",
    "title_canon_sha256": "c30e79fac5f861da846e0725baaf75073bc0bcd2ca4155c127b0cad079a651ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27739",
    "kind": "arxiv",
    "version": 1
  }
}