Pith Number

pith:7EXYNIU6

pith:2026:7EXYNIU6P5RM53SIR42FNZTSAS

not attested not anchored not stored refs pending

OvisOCR2 Technical Report

An-Yang Ji, Cheng Qin, En Lin, Haijun Li, Jianshan Zhao, Jun-Peng Jiang, Qing-Guo Chen, Shiyin Lu, Weihua Luo, Yinglun Li, Yuhui Chen, Yu Xia, Zhao Xu

arxiv:2607.13639 v1 · 2026-07-15 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7EXYNIU6P5RM53SIR42FNZTSAS}

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	2026-07-16T01:22:58.302038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f92f86a29e7f62ceee488f3456e672049e150eaae33d7931f83ca3d0af2ff448

Aliases

arxiv: 2607.13639 · arxiv_version: 2607.13639v1 · doi: 10.48550/arxiv.2607.13639 · pith_short_12: 7EXYNIU6P5RM · pith_short_16: 7EXYNIU6P5RM53SI · pith_short_8: 7EXYNIU6

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/7EXYNIU6P5RM53SIR42FNZTSAS \
  | 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: f92f86a29e7f62ceee488f3456e672049e150eaae33d7931f83ca3d0af2ff448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a4c4181b186a2f0bfa71e7de37216c3ae3963e65e7e3c2e025f468ff6d51761",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-15T09:32:33Z",
    "title_canon_sha256": "6a37afe97e1e18538e04f3045db4ab667b293adc0cb1d3126e7513d7a189951c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13639",
    "kind": "arxiv",
    "version": 1
  }
}