Pith Number

pith:MZSR4L5D

pith:2021:MZSR4L5DB4ER2GU33PEQ6KTQPR

not attested not anchored not stored refs pending

AI-based Aortic Vessel Tree Segmentation for Cardiovascular Diseases Treatment: Status Quo

Alejandro F. Frangi, Antonio Pepe, Christina Gsaxner, Fen-hua Zhao, Jan Egger, Jens Kleesiek, Jianning Li, Kelsey L. Pomykala, Yuan Jin

arxiv:2108.02998 v2 · 2021-08-06 · eess.IV · cs.CV · cs.LG · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZSR4L5DB4ER2GU33PEQ6KTQPR}

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	2026-07-05T05:57:09.503301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66651e2fa30f091d1a9bdbc90f2a707c655e8cbcdf3c123b349f6b1dc00db13b

Aliases

arxiv: 2108.02998 · arxiv_version: 2108.02998v2 · doi: 10.48550/arxiv.2108.02998 · pith_short_12: MZSR4L5DB4ER · pith_short_16: MZSR4L5DB4ER2GU3 · pith_short_8: MZSR4L5D

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/MZSR4L5DB4ER2GU33PEQ6KTQPR \
  | 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: 66651e2fa30f091d1a9bdbc90f2a707c655e8cbcdf3c123b349f6b1dc00db13b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c56775358f6b65697a442eb5876de6b85eb2f61f2eadebe5f4067c8e1851fe3b",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-08-06T08:18:28Z",
    "title_canon_sha256": "34c13efced42f10f2b58d5e5218b5bde40536b44d9a8966eaca0c6ffdbd4f8ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02998",
    "kind": "arxiv",
    "version": 2
  }
}