Pith Number

pith:QNWBSQDK

pith:2019:QNWBSQDKNJWHNTHDTA4DY2F6WL

not attested not anchored not stored refs pending

CNN-Based Segmentation of the Cardiac Chambers and Great Vessels in Non-Contrast-Enhanced Cardiac CT

Ivana I\v{s}gum, Jelmer M. Wolterink, Robbert W. van Hamersvelt, Steffen Bruns, Tim Leiner

arxiv:1908.07727 v1 · 2019-08-21 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNWBSQDKNJWHNTHDTA4DY2F6WL}

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	2026-07-04T23:59:00.688263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

836c19406a6a6c76cce398383c68beb2ccc2ae733ec7f6686b1765a3b47d5eb8

Aliases

arxiv: 1908.07727 · arxiv_version: 1908.07727v1 · doi: 10.48550/arxiv.1908.07727 · pith_short_12: QNWBSQDKNJWH · pith_short_16: QNWBSQDKNJWHNTHD · pith_short_8: QNWBSQDK

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/QNWBSQDKNJWHNTHDTA4DY2F6WL \
  | 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: 836c19406a6a6c76cce398383c68beb2ccc2ae733ec7f6686b1765a3b47d5eb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ed15913e416acf0610587f04c1c922229a7434ae9b63e1e7b4e0d90110eeb68",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-08-21T07:22:54Z",
    "title_canon_sha256": "6a7dd7527546ae6947f6d4da31f217a98c544fc053d9ca97e8830c030e50edda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07727",
    "kind": "arxiv",
    "version": 1
  }
}