Pith Number

pith:XQ2VRC7E

pith:2021:XQ2VRC7ERG3WGZMFPGC5GPGCFA

not attested not anchored not stored refs pending

Handwriting Transformers

Ankan Kumar Bhunia, Fahad Shahbaz Khan, Hisham Cholakkal, Mubarak Shah, Rao Muhammad Anwer, Salman Khan

arxiv:2104.03964 v1 · 2021-04-08 · 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{XQ2VRC7ERG3WGZMFPGC5GPGCFA}

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	2026-07-05T03:03:28.161685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc35588be489b76365857985d33cc22828b123012575cbed51991e2e4b4de0c9

Aliases

arxiv: 2104.03964 · arxiv_version: 2104.03964v1 · doi: 10.48550/arxiv.2104.03964 · pith_short_12: XQ2VRC7ERG3W · pith_short_16: XQ2VRC7ERG3WGZMF · pith_short_8: XQ2VRC7E

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/XQ2VRC7ERG3WGZMFPGC5GPGCFA \
  | 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: bc35588be489b76365857985d33cc22828b123012575cbed51991e2e4b4de0c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b2ae9ad034dc96e2402ad282e6a4aab79cc7b77db032c88a5fb7354f106fa88",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-08T17:59:43Z",
    "title_canon_sha256": "e8290f2f07f86c4c241fbdbc92a1cf177e5e905831bf62fca70fba5c93fd9745"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.03964",
    "kind": "arxiv",
    "version": 1
  }
}