Pith Number

pith:OBZZS4Y3

pith:2025:OBZZS4Y3GLW6SCD5SV54I7YTOJ

not attested not anchored not stored refs pending

Physics-informed neural networks for hidden boundary detection and flow field reconstruction

Jian Deng, Weizheng Chen, Xin Bian, Yongzheng Zhu

arxiv:2503.24074 v1 · 2025-03-31 · physics.flu-dyn · cs.LG · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBZZS4Y3GLW6SCD5SV54I7YTOJ}

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	2026-07-05T10:42:04.104388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

707399731b32ede9087d957bc47f13727ea9e6086e2973e4fe1f15d3e483fae1

Aliases

arxiv: 2503.24074 · arxiv_version: 2503.24074v1 · doi: 10.48550/arxiv.2503.24074 · pith_short_12: OBZZS4Y3GLW6 · pith_short_16: OBZZS4Y3GLW6SCD5 · pith_short_8: OBZZS4Y3

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/OBZZS4Y3GLW6SCD5SV54I7YTOJ \
  | 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: 707399731b32ede9087d957bc47f13727ea9e6086e2973e4fe1f15d3e483fae1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3336b07c04aa9d0355f52251f10371bed5468db49423634937a13f4a987fcb60",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-03-31T13:30:46Z",
    "title_canon_sha256": "7b053c7b5af87f9a367af4f2ce36d2a7796fee0fa23d47525c940d25a7dec07f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.24074",
    "kind": "arxiv",
    "version": 1
  }
}