Pith Number

pith:FZRE6STW

pith:2026:FZRE6STWKVC7CPQTR45Q5PCYD2

not attested not anchored not stored refs pending

Graph-GRPO: Dependency-Aware Credit Assignment for Generative E-commerce Search Relevance

Chenyang Wang, Jiarui Che, Yifei Chen, Zhixing Tian, Ziguang Cheng

arxiv:2605.31003 v1 · 2026-05-29 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZRE6STWKVC7CPQTR45Q5PCYD2}

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	2026-06-01T01:03:30.083806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e624f4a765545f13e138f3b0ebc581eacf19b3222879dcc5d6f5cb36f6b50da

Aliases

arxiv: 2605.31003 · arxiv_version: 2605.31003v1 · doi: 10.48550/arxiv.2605.31003 · pith_short_12: FZRE6STWKVC7 · pith_short_16: FZRE6STWKVC7CPQT · pith_short_8: FZRE6STW

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/FZRE6STWKVC7CPQTR45Q5PCYD2 \
  | 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: 2e624f4a765545f13e138f3b0ebc581eacf19b3222879dcc5d6f5cb36f6b50da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fb3ed946daaf027dd82ca8e91ce44d544f45cfe7272dfbeea9eb4c4e8bdc551",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-05-29T08:36:08Z",
    "title_canon_sha256": "93d0698d0c3e4ddd977b0b0355420de9385327e1412cb3f45354ffb9439fd118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.31003",
    "kind": "arxiv",
    "version": 1
  }
}