Pith Number

pith:I3PLU246

pith:2018:I3PLU246SHIBSVWL4OIYXD4IEO

not attested not anchored not stored refs pending

Variational Lagrangian formulation of the Euler equations for incompressible flow: A simple derivation

Mattia Serra, Mohammad Farazmand

arxiv:1807.02726 v1 · 2018-07-07 · physics.flu-dyn · math-ph · math.MP · physics.class-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{I3PLU246SHIBSVWL4OIYXD4IEO}

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	2026-05-18T00:11:16.181878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46deba6b9e91d01956cbe3918b8f88239563921a490568f3cbf20c460da0fbc2

Aliases

arxiv: 1807.02726 · arxiv_version: 1807.02726v1 · doi: 10.48550/arxiv.1807.02726 · pith_short_12: I3PLU246SHIB · pith_short_16: I3PLU246SHIBSVWL · pith_short_8: I3PLU246

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/I3PLU246SHIBSVWL4OIYXD4IEO \
  | 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: 46deba6b9e91d01956cbe3918b8f88239563921a490568f3cbf20c460da0fbc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a52e5e1973318847306c8d7d2d2576e7ddde22a71b1359855b9a6499889784af",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-07-07T23:25:22Z",
    "title_canon_sha256": "c77e5113ce847aa181637f8e78ec885e9e1433513ff01e120b365344ca683d8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02726",
    "kind": "arxiv",
    "version": 1
  }
}