Pith Number

pith:EPWCS272

pith:2025:EPWCS272RM7OEIYCNJ57RMWBE7

not attested not anchored not stored refs pending

FD-Bench: A Modular and Fair Benchmark for Data-driven Fluid Simulation

Ching Chang, Fang Sun, Fred Xu, Haixin Wang, Kaiqiao Han, Ruoyan Li, Wei Wang, Xiao Luo, Yizhou Sun, Zijie Huang

arxiv:2505.20349 v2 · 2025-05-25 · physics.flu-dyn · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPWCS272RM7OEIYCNJ57RMWBE7}

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	2026-05-22T01:03:43.109051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23ec296bfa8b3ee223026a7bf8b2c127f11cd4765380e75028857f631b9df670

Aliases

arxiv: 2505.20349 · arxiv_version: 2505.20349v2 · doi: 10.48550/arxiv.2505.20349 · pith_short_12: EPWCS272RM7O · pith_short_16: EPWCS272RM7OEIYC · pith_short_8: EPWCS272

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/EPWCS272RM7OEIYCNJ57RMWBE7 \
  | 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: 23ec296bfa8b3ee223026a7bf8b2c127f11cd4765380e75028857f631b9df670

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f8d33c601cd84d0532d2f3d1a43ae2e4eeeb85dd643bc6c39638c6db5d49f9e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-05-25T23:24:18Z",
    "title_canon_sha256": "fd053e7d28e8a9877c0b14ad3125391f7497e2cb65a242d72185d1a2c633e614"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.20349",
    "kind": "arxiv",
    "version": 2
  }
}