Pith Number

pith:Z64CMKBW

pith:2017:Z64CMKBWJDWX2YIVD3BKCAVJOO

not attested not anchored not stored refs pending

An Optimized Union-Find Algorithm for Connected Components Labeling Using GPUs

Hiroshi Sankoh, Houari Sabirin, Jun Chen, Keisuke Nonaka, Qiang Yao, Sei Naito

arxiv:1708.08180 v2 · 2017-08-28 · 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{Z64CMKBWJDWX2YIVD3BKCAVJOO}

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	2026-05-18T00:36:27.661152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfb826283648ed7d61151ec2a102a9739c9adaa11515390f6a0f4495773a01fe

Aliases

arxiv: 1708.08180 · arxiv_version: 1708.08180v2 · doi: 10.48550/arxiv.1708.08180 · pith_short_12: Z64CMKBWJDWX · pith_short_16: Z64CMKBWJDWX2YIV · pith_short_8: Z64CMKBW

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/Z64CMKBWJDWX2YIVD3BKCAVJOO \
  | 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: cfb826283648ed7d61151ec2a102a9739c9adaa11515390f6a0f4495773a01fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01f386622956a9f4c87887538cefe4affea50a62bff85b3478c62e3b4736c52e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-28T03:54:19Z",
    "title_canon_sha256": "afd5f54a2665e8eeef7220d8af4c88a36c828e60789011584fd940d6577f7657"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08180",
    "kind": "arxiv",
    "version": 2
  }
}