Pith Number

pith:77ONDVBH

pith:2023:77ONDVBH7WJ4IPXB2HA6N76TPH

not attested not anchored not stored refs pending

A comprehensive mathematical model for cardiac perfusion

Alberto Zingaro, Alfio Quarteroni, Christian Vergara, Francesco Regazzoni, Luca Dede'

arxiv:2303.13914 v1 · 2023-03-24 · cs.CE · cs.NA · math.NA · physics.comp-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{77ONDVBH7WJ4IPXB2HA6N76TPH}

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	2026-07-05T05:54:21.569409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffdcd1d427fd93c43ee1d1c1e6ffd379ec571720681ab152ad8ca8dac37afe57

Aliases

arxiv: 2303.13914 · arxiv_version: 2303.13914v1 · doi: 10.48550/arxiv.2303.13914 · pith_short_12: 77ONDVBH7WJ4 · pith_short_16: 77ONDVBH7WJ4IPXB · pith_short_8: 77ONDVBH

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/77ONDVBH7WJ4IPXB2HA6N76TPH \
  | 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: ffdcd1d427fd93c43ee1d1c1e6ffd379ec571720681ab152ad8ca8dac37afe57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6f353c9f3e94e55b0303dc0948258e39e32d235c362db45f0d44484402fea35",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2023-03-24T10:59:26Z",
    "title_canon_sha256": "9ad2cabb3df9380802e04be0554d6804cba5ab55160d11ce5a3e6860aa4fff79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.13914",
    "kind": "arxiv",
    "version": 1
  }
}