Pith Number

pith:4IWV7HO7

pith:2021:4IWV7HO75TKWOQH4AY4CEKCQBK

not attested not anchored not stored refs pending

SPTS: Single-Point Text Spotting

Chunhua Shen, Dahua Lin, Dezhi Peng, Jiaxin Zhang, Jing Li, Lianwen Jin, Mingxin Huang, Shenggao Zhu, Songxuan Lai, Xiang Bai, Xinyu Wang, Yuliang Liu

arxiv:2112.07917 v6 · 2021-12-15 · 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{4IWV7HO75TKWOQH4AY4CEKCQBK}

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	2026-07-05T04:52:15.618882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e22d5f9ddfecd56740fc06382228500ab59eb9b82a82b09d0f8bd015637d1432

Aliases

arxiv: 2112.07917 · arxiv_version: 2112.07917v6 · doi: 10.48550/arxiv.2112.07917 · pith_short_12: 4IWV7HO75TKW · pith_short_16: 4IWV7HO75TKWOQH4 · pith_short_8: 4IWV7HO7

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/4IWV7HO75TKWOQH4AY4CEKCQBK \
  | 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: e22d5f9ddfecd56740fc06382228500ab59eb9b82a82b09d0f8bd015637d1432

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dd818f26b8acc5b1092a13a5a4337ae99da7805f41f2bff413c7fdacb7ad19f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-15T06:44:21Z",
    "title_canon_sha256": "1cedd1457e9236be065b93167dd23fde801332129657c9098cd430bab43517d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.07917",
    "kind": "arxiv",
    "version": 6
  }
}