Pith Number

pith:VTM57ZMP

pith:2024:VTM57ZMP2ROUP5ZZSEUZHD2K6O

not attested not anchored not stored refs pending

On the Preprocessing of Physics-informed Neural Networks: How to Better Utilize Data in Fluid Mechanics

Chang Yan, Dilong Guo, Guowei Yang, Renfang Huang, Shengfeng Xu, Zhenxu Sun

arxiv:2403.19923 v2 · 2024-03-29 · 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{VTM57ZMP2ROUP5ZZSEUZHD2K6O}

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	2026-07-05T08:42:34.785306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acd9dfe58fd45d47f7399129938f4af3822b758a2449841f98ccff80b4a6cc55

Aliases

arxiv: 2403.19923 · arxiv_version: 2403.19923v2 · doi: 10.48550/arxiv.2403.19923 · pith_short_12: VTM57ZMP2ROU · pith_short_16: VTM57ZMP2ROUP5ZZ · pith_short_8: VTM57ZMP

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/VTM57ZMP2ROUP5ZZSEUZHD2K6O \
  | 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: acd9dfe58fd45d47f7399129938f4af3822b758a2449841f98ccff80b4a6cc55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d6713a909e022e8c216a16473ef1d5b71087cffa0d3382e11808ac796bb710b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2024-03-29T02:22:22Z",
    "title_canon_sha256": "a2e247019acd8148d437f7c4f4716b0d11720c1858af4a6b90f915c14b85e364"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.19923",
    "kind": "arxiv",
    "version": 2
  }
}