Pith Number

pith:7JX5BEDA

pith:2026:7JX5BEDAHDM2S4JUAS3ZHFPQJ3

not attested not anchored not stored refs pending

Simulation Code Generation for Fluid Systems using Large Language Models: Benchmarking Models and Prompting Strategies

Andreas Weinmann, Jan Marius St\"urmer, Jascha Knack, Tobias Koch

arxiv:2607.29389 v1 · 2026-07-31 · cs.LG · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JX5BEDAHDM2S4JUAS3ZHFPQJ3}

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	2026-08-03T01:33:35.942420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa6fd0906038d9a9713404b79395f04ee372059acffd1b8be453a92d0033d2e6

Aliases

arxiv: 2607.29389 · arxiv_version: 2607.29389v1 · doi: 10.48550/arxiv.2607.29389 · pith_short_12: 7JX5BEDAHDM2 · pith_short_16: 7JX5BEDAHDM2S4JU · pith_short_8: 7JX5BEDA

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/7JX5BEDAHDM2S4JUAS3ZHFPQJ3 \
  | 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: fa6fd0906038d9a9713404b79395f04ee372059acffd1b8be453a92d0033d2e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef85ec905bd81d87bdd8f5a8f7b9730a5486bdda7f9eada4a60a902a17684430",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-31T13:09:00Z",
    "title_canon_sha256": "483d19cba58290d393ad06d6dc36211f2420b6395833f0b71e41c2da5d5599ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29389",
    "kind": "arxiv",
    "version": 1
  }
}