Pith Number

pith:2Z6Z7UKZ

pith:2023:2Z6Z7UKZNOW3V7AQCMUYS3D2IS

not attested not anchored not stored refs pending

A mathematical model to assess the effects of COVID-19 on the cardiocirculatory system

Alfio Quarteroni, Andrea Tonini, Chiara Cogliati, Christian Vergara, Francesco Regazzoni, Luca Dede', Roberto Scrofani

arxiv:2305.06617 v1 · 2023-05-11 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2Z6Z7UKZNOW3V7AQCMUYS3D2IS}

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	2026-07-05T08:10:13.718387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d67d9fd1596badbafc101329896c7a449edeec37c67b03b788cf640b51b16cb3

Aliases

arxiv: 2305.06617 · arxiv_version: 2305.06617v1 · doi: 10.48550/arxiv.2305.06617 · pith_short_12: 2Z6Z7UKZNOW3 · pith_short_16: 2Z6Z7UKZNOW3V7AQ · pith_short_8: 2Z6Z7UKZ

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/2Z6Z7UKZNOW3V7AQCMUYS3D2IS \
  | 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: d67d9fd1596badbafc101329896c7a449edeec37c67b03b788cf640b51b16cb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb9d369b63b7721beb9485afdb8dabf914db2098868487c5d01e1e6b60920e18",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-05-11T07:26:34Z",
    "title_canon_sha256": "80020c143543be3911f60ec4ba5bc216ea10ccc38e8dc1b1b7c98b6e1a78ebd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.06617",
    "kind": "arxiv",
    "version": 1
  }
}