Pith Number

pith:AWHYTCXV

pith:2018:AWHYTCXVIVSN7JEJ7EW645BPD5

not attested not anchored not stored refs pending

NumtaDB - Assembled Bengali Handwritten Digits

Ahmed Imtiaz Humayun, Rashed Mohammad Doha, Samiul Alam, Tahsin Reasat

arxiv:1806.02452 v1 · 2018-06-06 · 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{AWHYTCXVIVSN7JEJ7EW645BPD5}

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	2026-05-18T00:13:56.797238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

058f898af54564dfa489f92dee742f1f79a61482f096daee321f4562b71330ed

Aliases

arxiv: 1806.02452 · arxiv_version: 1806.02452v1 · doi: 10.48550/arxiv.1806.02452 · pith_short_12: AWHYTCXVIVSN · pith_short_16: AWHYTCXVIVSN7JEJ · pith_short_8: AWHYTCXV

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/AWHYTCXVIVSN7JEJ7EW645BPD5 \
  | 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: 058f898af54564dfa489f92dee742f1f79a61482f096daee321f4562b71330ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2649969b48bc459bcc4a81fc891300a58a38b5081c798189077544914be7457d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-06-06T23:02:06Z",
    "title_canon_sha256": "1576525a8aefa9fa26b8bcaed2468cf483eeb11fb4710b252185d76d06ca0740"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02452",
    "kind": "arxiv",
    "version": 1
  }
}