Pith Number

pith:SCLSHI2S

pith:2026:SCLSHI2SKNKQMDX3QTLQNFCYT7

not attested not anchored not stored refs pending

Urdu Katib Handwritten Dataset: A Historical Document Dataset for Offline Urdu Handwritten Text Recognition with CRNN-Based Baseline Evaluation

Muhammad Usman Ali, Ramza Basharat

arxiv:2606.19139 v1 · 2026-06-17 · cs.CV · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCLSHI2SKNKQMDX3QTLQNFCYT7}

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	2026-06-19T16:11:57.608447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

909723a3525355060efb84d70694589fca1041f866ed3cfcb3d38bee38c481ca

Aliases

arxiv: 2606.19139 · arxiv_version: 2606.19139v1 · doi: 10.48550/arxiv.2606.19139 · pith_short_12: SCLSHI2SKNKQ · pith_short_16: SCLSHI2SKNKQMDX3 · pith_short_8: SCLSHI2S

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/SCLSHI2SKNKQMDX3QTLQNFCYT7 \
  | 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: 909723a3525355060efb84d70694589fca1041f866ed3cfcb3d38bee38c481ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad2571f7f14506d432c4fd98144046b76a71345440a4443251b8248b735d3f65",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-17T14:46:29Z",
    "title_canon_sha256": "b282c93b15f69a06a4c5b75fe80746c3725afb95593c627299ef16d3b6a05261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19139",
    "kind": "arxiv",
    "version": 1
  }
}