Pith Number

pith:7OVOCJJL

pith:2021:7OVOCJJL3MGGSYGNB6D36CYTYT

not attested not anchored not stored refs pending

Vectorization and Rasterization: Self-Supervised Learning for Sketch and Handwriting

Ayan Kumar Bhunia, Pinaki Nath Chowdhury, Tao Xiang, Timothy M. Hospedales, Yi-Zhe Song, Yongxin Yang

arxiv:2103.13716 v1 · 2021-03-25 · 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{7OVOCJJL3MGGSYGNB6D36CYTYT}

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	2026-07-05T02:26:21.848493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbaae1252bdb0c6960cd0f87bf0b13c4c374922d9b7afbe12eee24846fd9eb9f

Aliases

arxiv: 2103.13716 · arxiv_version: 2103.13716v1 · doi: 10.48550/arxiv.2103.13716 · pith_short_12: 7OVOCJJL3MGG · pith_short_16: 7OVOCJJL3MGGSYGN · pith_short_8: 7OVOCJJL

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/7OVOCJJL3MGGSYGNB6D36CYTYT \
  | 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: fbaae1252bdb0c6960cd0f87bf0b13c4c374922d9b7afbe12eee24846fd9eb9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9edb571f9a7529e31579c45d0b5adfafd6e6510f88b0a5441780dbb3b2db936",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-25T09:47:18Z",
    "title_canon_sha256": "3d9b0c9fea4d8488d80746fa88c99eea6faa7f293a45c2bf940db79917b47776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.13716",
    "kind": "arxiv",
    "version": 1
  }
}