Pith Number

pith:O2Q2E7RZ

pith:2025:O2Q2E7RZGTMPWCYBQW6IZXAOE4

not attested not anchored not stored refs pending

Leveraging Transfer Learning and Mobile-enabled Convolutional Neural Networks for Improved Arabic Handwritten Character Recognition

Ayyad Maafiri, Hamzah Ali Alkhazaleh, Mohsine EL Khayati, Shadi Atalla, Wathiq Mansoor, Yassine Himeur

arxiv:2509.05019 v1 · 2025-09-05 · 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{O2Q2E7RZGTMPWCYBQW6IZXAOE4}

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	2026-07-05T12:05:34.550935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76a1a27e3934d8fb0b0185bc8cdc0e271df944dc20f0abadb2d343d7b6cb1bf9

Aliases

arxiv: 2509.05019 · arxiv_version: 2509.05019v1 · doi: 10.48550/arxiv.2509.05019 · pith_short_12: O2Q2E7RZGTMP · pith_short_16: O2Q2E7RZGTMPWCYB · pith_short_8: O2Q2E7RZ

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/O2Q2E7RZGTMPWCYBQW6IZXAOE4 \
  | 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: 76a1a27e3934d8fb0b0185bc8cdc0e271df944dc20f0abadb2d343d7b6cb1bf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fe81e0b582a5139ddb452264880327105c188cc50ba67342d46ca2c09107c93",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-09-05T11:28:53Z",
    "title_canon_sha256": "af0fc8ce290cd9706c3725e7b6f620a7a970b3797882b56791d602a7f0e38b04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05019",
    "kind": "arxiv",
    "version": 1
  }
}