Pith Number

pith:OT4QINQM

pith:2022:OT4QINQMH2PPBXBVCTUEWRN2NS

not attested not anchored not stored refs pending

MSDS: A Large-Scale Chinese Signature and Token Digit String Dataset for Handwriting Verification

Jiajia Jiang, Lianwen Jin, Peirong Zhang, Yuliang Liu

arxiv:2210.08836 v4 · 2022-10-17 · 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{OT4QINQMH2PPBXBVCTUEWRN2NS}

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	2026-07-05T05:19:19.550273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74f904360c3e9ef0dc3514e84b45ba6cb9ca41d776c0828960fe4798587522c8

Aliases

arxiv: 2210.08836 · arxiv_version: 2210.08836v4 · doi: 10.48550/arxiv.2210.08836 · pith_short_12: OT4QINQMH2PP · pith_short_16: OT4QINQMH2PPBXBV · pith_short_8: OT4QINQM

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/OT4QINQMH2PPBXBVCTUEWRN2NS \
  | 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: 74f904360c3e9ef0dc3514e84b45ba6cb9ca41d776c0828960fe4798587522c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21bdb702dfa04efd0b5ba7dae640aee0c3a9d99ce83ca6d2d22cdfea58a49815",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-10-17T08:23:12Z",
    "title_canon_sha256": "0544857e25fd060391e2d7ccac5e556c7ce785980588cea6c0ba9b68abc28023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.08836",
    "kind": "arxiv",
    "version": 4
  }
}