Pith Number

pith:QVDILQT5

pith:2026:QVDILQT5ZN22Y7YOP4P2LSYSGU

not attested not anchored not stored refs pending

PaddleOCR-VL-1.6: Expanding the Frontier of Document Parsing with Under-Optimized Region Refinement and Progressive Post-Training

Changda Zhou, Cheng Cui, Dianhai Yu, Hongen Liu, Jiaxuan Liu, Manhui Lin, Suyin Liang, Tingquan Gao, Ting Sun, Yanjun Ma, Yi Liu, Yiqing Xiang, Yubo Zhang, Yue Zhang, Zelun Zhang

arxiv:2606.03264 v1 · 2026-06-02 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVDILQT5ZN22Y7YOP4P2LSYSGU}

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	2026-06-03T01:05:37.081798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

854685c27dcb75ac7f0e7f1fa5cb123510deaef9534bee33830af1dd91d36941

Aliases

arxiv: 2606.03264 · arxiv_version: 2606.03264v1 · doi: 10.48550/arxiv.2606.03264 · pith_short_12: QVDILQT5ZN22 · pith_short_16: QVDILQT5ZN22Y7YO · pith_short_8: QVDILQT5

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/QVDILQT5ZN22Y7YOP4P2LSYSGU \
  | 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: 854685c27dcb75ac7f0e7f1fa5cb123510deaef9534bee33830af1dd91d36941

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebe10f1e94957014b3c083da9ac746b0ce9a79d51ba1704194b16412d8e7d560",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-02T07:27:03Z",
    "title_canon_sha256": "c43e31a3275725def652379e0568eab62d454ae3c111dcf2320a2d9e542fb75f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.03264",
    "kind": "arxiv",
    "version": 1
  }
}