Pith Number

pith:PQQXNX4D

pith:2025:PQQXNX4DQYKO2OS4YGSNK3ORHO

not attested not anchored not stored refs pending

GPR: Empowering Generation with Graph-Pretrained Retriever

Fenglong Ma, Suhang Wang, Xiang Zhang, Xiaochen Wang, Yuan Zhong, Zongyu Wu

arxiv:2506.00261 v2 · 2025-05-30 · cs.IR · 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{PQQXNX4DQYKO2OS4YGSNK3ORHO}

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	2026-07-05T11:14:29.787839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c2176df838614ed3a5cc1a4d56dd13b9d3183ca4f7d28719ea1fad6e5a7e874

Aliases

arxiv: 2506.00261 · arxiv_version: 2506.00261v2 · doi: 10.48550/arxiv.2506.00261 · pith_short_12: PQQXNX4DQYKO · pith_short_16: PQQXNX4DQYKO2OS4 · pith_short_8: PQQXNX4D

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/PQQXNX4DQYKO2OS4YGSNK3ORHO \
  | 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: 7c2176df838614ed3a5cc1a4d56dd13b9d3183ca4f7d28719ea1fad6e5a7e874

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6611e74601a40d29575e75a19c8fceb8d188aeacded5ca2f894f1f294b36c870",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-05-30T21:50:29Z",
    "title_canon_sha256": "947e63bea23584cfa2113aeadda0c8773e6bdea9671d6416416441991b6e3af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.00261",
    "kind": "arxiv",
    "version": 2
  }
}