Pith Number

pith:QBMNJJ67

pith:2026:QBMNJJ67MHXG67CWJVEKJN655W

not attested not anchored not stored refs pending

Finite basis physics-informed neural networks with hard constraints for viscous fluid flow in highly perforated domains

Denis Korolev, Jeeeun Lee, Miro Duhovic, Seong Su Kim

arxiv:2608.08114 v1 · 2026-08-08 · 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{QBMNJJ67MHXG67CWJVEKJN655W}

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	2026-08-11T01:21:43.849532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8058d4a7df61ee6f7c564d48a4b7dded9826fa2f32b4524b4b3d5258832eae33

Aliases

arxiv: 2608.08114 · arxiv_version: 2608.08114v1 · doi: 10.48550/arxiv.2608.08114 · pith_short_12: QBMNJJ67MHXG · pith_short_16: QBMNJJ67MHXG67CW · pith_short_8: QBMNJJ67

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/QBMNJJ67MHXG67CWJVEKJN655W \
  | 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: 8058d4a7df61ee6f7c564d48a4b7dded9826fa2f32b4524b4b3d5258832eae33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6c57a7f00d83c02ae2824af39858d71aec0cca1a809017d6c60be0e0d711ff8",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-08-08T12:54:16Z",
    "title_canon_sha256": "b724685c26670b96df75ca20d4bc7d5c829e0cb8190fa523fe2f07a1e0fa8445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.08114",
    "kind": "arxiv",
    "version": 1
  }
}