Pith Number

pith:PDTQVM5P

pith:2018:PDTQVM5PAOCOABNC5B5P2YYJYR

not attested not anchored not stored refs pending

AI Learns to Recognize Bengali Handwritten Digits: Bengali.AI Computer Vision Challenge 2018

Ahmed Imtiaz Humayun, Fuad Rahman, Manash Kumar Mandal, Rashed Mohammad Doha, Samiul Alam, Sharif Amit Kamran, Tahsin Reasat

arxiv:1810.04452 v1 · 2018-10-10 · 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{PDTQVM5PAOCOABNC5B5P2YYJYR}

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	2026-05-18T00:03:40.084963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78e70ab3af0384e005a2e87afd6309c45bfec5d183aa820a089ebefc3cf1ef97

Aliases

arxiv: 1810.04452 · arxiv_version: 1810.04452v1 · doi: 10.48550/arxiv.1810.04452 · pith_short_12: PDTQVM5PAOCO · pith_short_16: PDTQVM5PAOCOABNC · pith_short_8: PDTQVM5P

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/PDTQVM5PAOCOABNC5B5P2YYJYR \
  | 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: 78e70ab3af0384e005a2e87afd6309c45bfec5d183aa820a089ebefc3cf1ef97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5c10c86ab2099bb64293d3776831b9debbb336cc4b6772a895aa3387588c14e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-10-10T10:59:28Z",
    "title_canon_sha256": "05626e4d338ae66ab3dea931c5a696686085885d7e546f2628307ae63309b1ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04452",
    "kind": "arxiv",
    "version": 1
  }
}