Pith Number

pith:IXF3K2KH

pith:2026:IXF3K2KHSPJY4MU2DCCAR7IMIB

not attested not anchored not stored refs pending

PP-OCRv6: From 1.5M to 34.5M Parameters, Surpassing Billion-Scale VLMs on OCR Tasks

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

arxiv:2606.13108 v1 · 2026-06-11 · 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{IXF3K2KHSPJY4MU2DCCAR7IMIB}

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	2026-06-12T01:09:40.630430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45cbb5694793d38e329a188408fd0c406ae1972b34102a34f2788a87dca40025

Aliases

arxiv: 2606.13108 · arxiv_version: 2606.13108v1 · doi: 10.48550/arxiv.2606.13108 · pith_short_12: IXF3K2KHSPJY · pith_short_16: IXF3K2KHSPJY4MU2 · pith_short_8: IXF3K2KH

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/IXF3K2KHSPJY4MU2DCCAR7IMIB \
  | 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: 45cbb5694793d38e329a188408fd0c406ae1972b34102a34f2788a87dca40025

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b4d513ce01652c3f169be036ee7d8e13871751494699e87a2f09f3cbe8cf584",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-11T09:35:16Z",
    "title_canon_sha256": "dfdba89904a5baaf706e33f0226a15c421cb6fd057257cc191f97c394489b5fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.13108",
    "kind": "arxiv",
    "version": 1
  }
}