Pith Number

pith:U7ICPK27

pith:2019:U7ICPK277MAUSMT6E4GWBH2VQB

not attested not anchored not stored refs pending

Intra-Variable Handwriting Inspection Reinforced with Idiosyncrasy Analysis

Bidyut B. Chaudhuri, Chandranath Adak, Chin-Teng Lin, Michael Blumenstein

arxiv:1912.12168 v2 · 2019-12-19 · 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{U7ICPK277MAUSMT6E4GWBH2VQB}

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	2026-07-05T01:01:01.938129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d027ab5ffb0149327e270d609f55805dc37053f2b3443dccc03ea74f6c2805

Aliases

arxiv: 1912.12168 · arxiv_version: 1912.12168v2 · doi: 10.48550/arxiv.1912.12168 · pith_short_12: U7ICPK277MAU · pith_short_16: U7ICPK277MAUSMT6 · pith_short_8: U7ICPK27

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/U7ICPK277MAUSMT6E4GWBH2VQB \
  | 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: a7d027ab5ffb0149327e270d609f55805dc37053f2b3443dccc03ea74f6c2805

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9caed1d2ff6fcaddb6dcc6f6fd6f9662b7ec1114a7d704704fa10b17a84806b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-12-19T10:56:52Z",
    "title_canon_sha256": "2499f4ac113d6382bd27401f1ce0825f36251f10f34049dd7bf5ead4a83b6820"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.12168",
    "kind": "arxiv",
    "version": 2
  }
}