Pith Number

pith:OZIW3C3V

pith:2024:OZIW3C3VNBSSRC2JPPPI4TZ6SE

not attested not anchored not stored refs pending

Weak baselines and reporting biases lead to overoptimism in machine learning for fluid-related partial differential equations

Ammar Hakim, Nick McGreivy

arxiv:2407.07218 v1 · 2024-07-09 · math.NA · cs.LG · cs.NA · 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{OZIW3C3VNBSSRC2JPPPI4TZ6SE}

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.

Cited by

2 papers in Pith

Neural equilibria for long-term prediction of nonlinear conservation laws

Benchmarking Physics-Informed Neural Networks and Boundary Elements Methods for Wave Scattering

Receipt and verification

First computed	2026-07-05T09:20:24.405885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76516d8b756865288b497bde8e4f3e911f5581a7ee5a1fc19c50ada9c721b162

Aliases

arxiv: 2407.07218 · arxiv_version: 2407.07218v1 · doi: 10.48550/arxiv.2407.07218 · pith_short_12: OZIW3C3VNBSS · pith_short_16: OZIW3C3VNBSSRC2J · pith_short_8: OZIW3C3V

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/OZIW3C3VNBSSRC2JPPPI4TZ6SE \
  | 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: 76516d8b756865288b497bde8e4f3e911f5581a7ee5a1fc19c50ada9c721b162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b741fa4d65564e708e0f351f12f4f93894a92b1cb19d7a03aa44b996d041933c",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-07-09T20:28:03Z",
    "title_canon_sha256": "5dbf13b70da2841abb22a50eda2a2f9a7e3c7f8a8dcbad4f8cad6feb0a2cd4de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.07218",
    "kind": "arxiv",
    "version": 1
  }
}