Pith Number

pith:3UMWPNJ4

pith:2021:3UMWPNJ4RIWISGFGCCZLF75QMC

not attested not anchored not stored refs pending

Bangla Handwritten Digit Recognition and Generation

Md Fahim Sikder

arxiv:2103.07905 v1 · 2021-03-14 · 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{3UMWPNJ4RIWISGFGCCZLF75QMC}

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	2026-07-05T02:22:45.996927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd1967b53c8a2c8918a610b2b2ffb060a143b220caf655c01f185020e98c5331

Aliases

arxiv: 2103.07905 · arxiv_version: 2103.07905v1 · doi: 10.48550/arxiv.2103.07905 · pith_short_12: 3UMWPNJ4RIWI · pith_short_16: 3UMWPNJ4RIWISGFG · pith_short_8: 3UMWPNJ4

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/3UMWPNJ4RIWISGFGCCZLF75QMC \
  | 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: dd1967b53c8a2c8918a610b2b2ffb060a143b220caf655c01f185020e98c5331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8926cddb06b395a18f87b4f32b104b145610300ffca3ab57790a9d12527fe1a4",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-14T12:11:21Z",
    "title_canon_sha256": "bdad27f91aa451215b52aaf94f023ee1699d58cea1041fe1087744c1d9339f2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.07905",
    "kind": "arxiv",
    "version": 1
  }
}