Pith Number

pith:HLLDPITI

pith:2017:HLLDPITIXWSW5N4XU3H62VUMY5

not attested not anchored not stored refs pending

Fast PET Scan Tumor Segmentation using Superpixels, Principal Component Analysis and K-means Clustering

Saed Khawaldeh, Tajwar A. Aleef, Usama Pervaiz, Vu H. Minh, Yeman B. Hagos

arxiv:1710.08798 v1 · 2017-10-18 · physics.med-ph · cs.CV · physics.data-an · q-bio.QM · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HLLDPITIXWSW5N4XU3H62VUMY5}

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	2026-05-18T00:32:03.787998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ad637a268bda56eb797a6cfed568cc7479e2057c3d42c581b41f708e1643a98

Aliases

arxiv: 1710.08798 · arxiv_version: 1710.08798v1 · doi: 10.48550/arxiv.1710.08798 · pith_short_12: HLLDPITIXWSW · pith_short_16: HLLDPITIXWSW5N4X · pith_short_8: HLLDPITI

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/HLLDPITIXWSW5N4XU3H62VUMY5 \
  | 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: 3ad637a268bda56eb797a6cfed568cc7479e2057c3d42c581b41f708e1643a98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35692f486f4c9856e9cf4218e0d522f30ec799deae25bc9678024ef56aee9338",
    "cross_cats_sorted": [
      "cs.CV",
      "physics.data-an",
      "q-bio.QM",
      "q-bio.TO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2017-10-18T00:19:57Z",
    "title_canon_sha256": "4af1410dc761bcb8fddb9ffd2054b4abca62d33b0adea783877ba7b0fad2d625"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08798",
    "kind": "arxiv",
    "version": 1
  }
}