Pith Number

pith:GO7PO4X7

pith:2017:GO7PO4X7VUF4SCHCYVOICMES44

not attested not anchored not stored refs pending

An Empirical Study on Writer Identification & Verification from Intra-variable Individual Handwriting

Bidyut B. Chaudhuri, Chandranath Adak, Michael Blumenstein

arxiv:1708.03361 v3 · 2017-08-10 · 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{GO7PO4X7VUF4SCHCYVOICMES44}

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	2026-07-05T00:28:43.262573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33bef772ffad0bc908e2c55c813092e739052911820a89d3e433e761701c6c00

Aliases

arxiv: 1708.03361 · arxiv_version: 1708.03361v3 · doi: 10.48550/arxiv.1708.03361 · pith_short_12: GO7PO4X7VUF4 · pith_short_16: GO7PO4X7VUF4SCHC · pith_short_8: GO7PO4X7

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/GO7PO4X7VUF4SCHCYVOICMES44 \
  | 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: 33bef772ffad0bc908e2c55c813092e739052911820a89d3e433e761701c6c00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4f943c38f95e4547c81a016ab7e4512b6f1783b3d1c2e088ff4b693025a3452",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-10T19:23:11Z",
    "title_canon_sha256": "bc349afbe832a07c7c5422999dba5150d06abc7f86f67f0d456d9486233f3fab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03361",
    "kind": "arxiv",
    "version": 3
  }
}