Pith Number

pith:Q7DLKRBY

pith:2024:Q7DLKRBYUGR6I7QKTYHH5PMVMA

not attested not anchored not stored refs pending

A p-Multigrid Accelerated Nodal Spectral Element Method for Free-Surface Incompressible Navier-Stokes Model of Nonlinear Water Waves

Allan P. Engsig-Karup, Anders Melander, Spencer J. Sherwin, Wojciech Laskowski

arxiv:2411.14977 v1 · 2024-11-22 · math.NA · cs.NA · physics.flu-dyn

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\usepackage{pith}
\pithnumber{Q7DLKRBYUGR6I7QKTYHH5PMVMA}

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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

1 paper in Pith

FNPF-SEM: A parallel spectral element model in Firedrake for fully nonlinear water wave simulations

Receipt and verification

First computed	2026-07-05T09:39:14.469932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87c6b54438a1a3e47e0a9e0e7ebd95601278b66248d66784c75a280b4af4c715

Aliases

arxiv: 2411.14977 · arxiv_version: 2411.14977v1 · doi: 10.48550/arxiv.2411.14977 · pith_short_12: Q7DLKRBYUGR6 · pith_short_16: Q7DLKRBYUGR6I7QK · pith_short_8: Q7DLKRBY

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/Q7DLKRBYUGR6I7QKTYHH5PMVMA \
  | 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: 87c6b54438a1a3e47e0a9e0e7ebd95601278b66248d66784c75a280b4af4c715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7b0453b58e20f1b9f5ff11c84827f0d76ff1327779204d2f6f53b31535375e3",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-11-22T14:36:42Z",
    "title_canon_sha256": "5b2e8307cd7dbd7abd61c4443863b96b651d7470266c27cce2b0fee88eaa6178"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.14977",
    "kind": "arxiv",
    "version": 1
  }
}