Pith Number

pith:CNT7CLIR

pith:2025:CNT7CLIRJ72V2SR45TU2AWYTVN

not attested not anchored not stored refs pending

A Flow-rate-conserving CNN-based Domain Decomposition Method for Blood Flow Simulations

Axel Klawonn, Janine Weber, Kengo Nakajima, Martin Lanser, Natalie Kubicki, Simon Klaes, Takashi Shimokawabe

arxiv:2509.15900 v2 · 2025-09-19 · math.NA · cs.LG · 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{CNT7CLIRJ72V2SR45TU2AWYTVN}

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	2026-06-25T01:18:35.520835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1367f12d114ff55d4a3cece9a05b13ab7d0ac03aee8907d8ef1214941930f988

Aliases

arxiv: 2509.15900 · arxiv_version: 2509.15900v2 · doi: 10.48550/arxiv.2509.15900 · pith_short_12: CNT7CLIRJ72V · pith_short_16: CNT7CLIRJ72V2SR4 · pith_short_8: CNT7CLIR

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/CNT7CLIRJ72V2SR45TU2AWYTVN \
  | 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: 1367f12d114ff55d4a3cece9a05b13ab7d0ac03aee8907d8ef1214941930f988

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cc0721cb35cb2316c5e0776b24a4b94aaf9541c56d416da5b66ff8dad90370d",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-09-19T11:56:54Z",
    "title_canon_sha256": "5527d37268ad9ad45fa1ebbfaf7797cf16e26e082270508522184ee02ee9f0ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.15900",
    "kind": "arxiv",
    "version": 2
  }
}