Pith Number

pith:73BB4NRZ

pith:2021:73BB4NRZQYTZZTP2256JI57LCV

not attested not anchored not stored refs pending

Automated Segmentation and Volume Measurement of Intracranial Carotid Artery Calcification on Non-Contrast CT

Daniel Bos, Florian Dubost, Gerda Bortsova, Gijs van Tulder, Marleen de Bruijne, Meike W. Vernooij, M. Kamran Ikram

arxiv:2107.09442 v1 · 2021-07-20 · eess.IV · 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{73BB4NRZQYTZZTP2256JI57LCV}

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	2026-07-05T02:59:30.861766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fec21e363986279ccdfad77c9477eb157085e825220f15dd41fcf38af8a085c2

Aliases

arxiv: 2107.09442 · arxiv_version: 2107.09442v1 · doi: 10.48550/arxiv.2107.09442 · pith_short_12: 73BB4NRZQYTZ · pith_short_16: 73BB4NRZQYTZZTP2 · pith_short_8: 73BB4NRZ

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/73BB4NRZQYTZZTP2256JI57LCV \
  | 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: fec21e363986279ccdfad77c9477eb157085e825220f15dd41fcf38af8a085c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc6732c65e437101f9ddc78f5e343cda673c5a916a0b734406b8a0befaf1e694",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-07-20T12:21:45Z",
    "title_canon_sha256": "c08dbfa46d2a998f5ba8b57cc9b6d5a31b2ea64ba3a340fb407a3d7139c5a663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09442",
    "kind": "arxiv",
    "version": 1
  }
}