Pith Number

pith:5VPNQ2O3

pith:2019:5VPNQ2O3RZDN2RZNC76WTQJY3B

not attested not anchored not stored refs pending

Bengali Handwritten Character Classification using Transfer Learning on Deep Convolutional Neural Network

Debayan Ganguly, Kingshuk Chatterjee, Rwik Kumar Dutta, Sudipta Roy, Swagato Chatterjee

arxiv:1902.11133 v1 · 2019-02-25 · 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{5VPNQ2O3RZDN2RZNC76WTQJY3B}

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	2026-05-17T23:52:25.690008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed5ed869db8e46dd472d17fd69c138d862c62edc7541fa23ab95110fd1fd0e5d

Aliases

arxiv: 1902.11133 · arxiv_version: 1902.11133v1 · doi: 10.48550/arxiv.1902.11133 · pith_short_12: 5VPNQ2O3RZDN · pith_short_16: 5VPNQ2O3RZDN2RZN · pith_short_8: 5VPNQ2O3

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/5VPNQ2O3RZDN2RZNC76WTQJY3B \
  | 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: ed5ed869db8e46dd472d17fd69c138d862c62edc7541fa23ab95110fd1fd0e5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "390bf459284845cc90e5193ef079c331b9f4008a6c85544dcb3fe56e30c675e8",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-25T13:52:53Z",
    "title_canon_sha256": "cfb4c8780201140e601a41ca335d27790de5855b4f133146825c6b079931ada1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.11133",
    "kind": "arxiv",
    "version": 1
  }
}