Pith Number

pith:QHV3TWPM

pith:2026:QHV3TWPMDDQPZGE77SFBTWS7BT

not attested not anchored not stored refs pending

svMultiPhysics: a finite element-based solver for cardiovascular simulations

Aaron L. Brown, Alison L. Marsden, Charles A. Taylor, David Codoni, David W. Parker, Divya Adil, Han Zhao, Javiera Jilberto, Martin R. Pfaller, Michele Bucelli, Shawn C. Shadden, Sujal Dave, Zachary A. Sexton

arxiv:2607.19631 v1 · 2026-07-21 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHV3TWPMDDQPZGE77SFBTWS7BT}

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	2026-07-23T00:24:00.844920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ebb9d9ec18e0fc989ffc8a19da5f0ce756a90ea4605da14dbb9eb8827a24d3

Aliases

arxiv: 2607.19631 · arxiv_version: 2607.19631v1 · doi: 10.48550/arxiv.2607.19631 · pith_short_12: QHV3TWPMDDQP · pith_short_16: QHV3TWPMDDQPZGE7 · pith_short_8: QHV3TWPM

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/QHV3TWPMDDQPZGE77SFBTWS7BT \
  | 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: 81ebb9d9ec18e0fc989ffc8a19da5f0ce756a90ea4605da14dbb9eb8827a24d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebf6e6066fad1f0d11c0a25f6a2eaadb2012e59efdfc2d9714846594aefe43db",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-07-21T23:52:58Z",
    "title_canon_sha256": "c9f2fd720f0ebe90e1bb885c19610a858de5809f5ee7b60793ce72ecc06f4024"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19631",
    "kind": "arxiv",
    "version": 1
  }
}