Pith Number

pith:A4LJZK7C

pith:2020:A4LJZK7CSO2GVVCDNN53K3DKX2

not attested not anchored not stored refs pending

Joint Layout Analysis, Character Detection and Recognition for Historical Document Digitization

Hesuo Zhang, Jiapeng Wang, Lianwen Jin, Sihang Wu, Weihong Ma, Yongpan Wang

arxiv:2007.06890 v1 · 2020-07-14 · 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{A4LJZK7CSO2GVVCDNN53K3DKX2}

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	2026-07-05T01:18:24.333668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07169cabe293b46ad4436b7bb56c6abeb017fcbe7927766af8a6d83eb9d620e7

Aliases

arxiv: 2007.06890 · arxiv_version: 2007.06890v1 · doi: 10.48550/arxiv.2007.06890 · pith_short_12: A4LJZK7CSO2G · pith_short_16: A4LJZK7CSO2GVVCD · pith_short_8: A4LJZK7C

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/A4LJZK7CSO2GVVCDNN53K3DKX2 \
  | 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: 07169cabe293b46ad4436b7bb56c6abeb017fcbe7927766af8a6d83eb9d620e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6c1972b57802f689706321ef2b57dd3eb812cff4c42ac79d3fbd37b2bf510fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-14T08:02:52Z",
    "title_canon_sha256": "d61e09f1125bb42ef09044db2ee53b55afed0337524cc30d5109320bf8a6a269"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.06890",
    "kind": "arxiv",
    "version": 1
  }
}