Pith Number

pith:B3KMB3PK

pith:2023:B3KMB3PK2LEO2F4YJDNM2FQ7OT

not attested not anchored not stored refs pending

Learning Reduced-Order Models for Cardiovascular Simulations with Graph Neural Networks

Alison L. Marsden, Eric Darve, Ke Ding, Luca Pegolotti, Martin R. Pfaller, Natalia L. Rubio, Rita Brugarolas Brufau

arxiv:2303.07310 v1 · 2023-03-13 · cs.LG · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B3KMB3PK2LEO2F4YJDNM2FQ7OT}

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	2026-07-05T05:50:34.879544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ed4c0edead2c8ed179848dacd161f74c3b5a5435ef06642d54af62720acfb1b

Aliases

arxiv: 2303.07310 · arxiv_version: 2303.07310v1 · doi: 10.48550/arxiv.2303.07310 · pith_short_12: B3KMB3PK2LEO · pith_short_16: B3KMB3PK2LEO2F4Y · pith_short_8: B3KMB3PK

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/B3KMB3PK2LEO2F4YJDNM2FQ7OT \
  | 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: 0ed4c0edead2c8ed179848dacd161f74c3b5a5435ef06642d54af62720acfb1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0684c597333c1d4564c925bb9542f1c44829aba278669b81d7565b234e4c2f3d",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-03-13T17:32:46Z",
    "title_canon_sha256": "f8b00589ea23704c976654d3e96e30e0e3d4530264d26874a785035e56f2c55b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.07310",
    "kind": "arxiv",
    "version": 1
  }
}