Pith Number

pith:HQKN4FND

pith:2014:HQKN4FND4RVI6YU4XIKYK7QPY2

not attested not anchored not stored refs pending

Recognition of Handwritten Bangla Basic Characters and Digits using Convex Hull based Feature Set

Mahantapas Kundu, Mita Nasipuri, Nibaran Das, Punam Kumar Saha, Ram Sarkar, Sandip Pramanik, Subhadip Basu

arxiv:1410.0478 v1 · 2014-10-02 · 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{HQKN4FND4RVI6YU4XIKYK7QPY2}

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	2026-05-18T02:41:10.997239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c14de15a3e46a8f629cba15857e0fc6999af98ec5415effbebb6e3d2fd3e621

Aliases

arxiv: 1410.0478 · arxiv_version: 1410.0478v1 · doi: 10.48550/arxiv.1410.0478 · pith_short_12: HQKN4FND4RVI · pith_short_16: HQKN4FND4RVI6YU4 · pith_short_8: HQKN4FND

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/HQKN4FND4RVI6YU4XIKYK7QPY2 \
  | 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: 3c14de15a3e46a8f629cba15857e0fc6999af98ec5415effbebb6e3d2fd3e621

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4e90223a9b792aee60f91de3dd035d5b6daa3b6b35d56b5fe0c77e44d40df19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-10-02T08:26:38Z",
    "title_canon_sha256": "6be120762d75ece854b832c404232b6c993396f764db9e9786ce28bdca03ebb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0478",
    "kind": "arxiv",
    "version": 1
  }
}