Pith Number

pith:VTCMJLTX

pith:2019:VTCMJLTXPRW34X3IA5Z5HY4VXG

not attested not anchored not stored refs pending

Explanation based Handwriting Verification

Mihir Chauhan, Mohammad Abuzar Shaikh, Sargur N. Srihari

arxiv:1909.02548 v1 · 2019-08-14 · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VTCMJLTXPRW34X3IA5Z5HY4VXG}

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	2026-07-05T00:02:35.689720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acc4c4ae777c6dbe5f680773d3e395b996ee14ccaaf43af05211ec8402738adb

Aliases

arxiv: 1909.02548 · arxiv_version: 1909.02548v1 · doi: 10.48550/arxiv.1909.02548 · pith_short_12: VTCMJLTXPRW3 · pith_short_16: VTCMJLTXPRW34X3I · pith_short_8: VTCMJLTX

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/VTCMJLTXPRW34X3IA5Z5HY4VXG \
  | 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: acc4c4ae777c6dbe5f680773d3e395b996ee14ccaaf43af05211ec8402738adb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3d5e569c819e3d944ef052674deece4f03ee0ebf29a949b2f0c91ebc89e61cb",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-14T19:50:07Z",
    "title_canon_sha256": "991dac0b92a1b02baceca2ca72c28cd4b45ac1b12c7be238921b779b58542c55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02548",
    "kind": "arxiv",
    "version": 1
  }
}