Pith Number

pith:PJWXNNP3

pith:2026:PJWXNNP3BMVMF3LJOLNDGQWMX5

not attested not anchored not stored refs pending

Machine Learning Based Mesh Movement for Non-Hydrostatic Tsunami Simulation

Matthew D. Piggott, Stephan C. Kramer, Yezhang Li

arxiv:2603.06152 v2 · 2026-03-06 · physics.ao-ph · physics.comp-ph · 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{PJWXNNP3BMVMF3LJOLNDGQWMX5}

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	2026-07-15T00:21:17.470562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a6d76b5fb0b2ac2ed6972da3342ccbf461823f68f584452590824c717bb8d6e

Aliases

arxiv: 2603.06152 · arxiv_version: 2603.06152v2 · doi: 10.48550/arxiv.2603.06152 · pith_short_12: PJWXNNP3BMVM · pith_short_16: PJWXNNP3BMVMF3LJ · pith_short_8: PJWXNNP3

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/PJWXNNP3BMVMF3LJOLNDGQWMX5 \
  | 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: 7a6d76b5fb0b2ac2ed6972da3342ccbf461823f68f584452590824c717bb8d6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9114dd6f89c136145917ccf91242c0998cfb8ef4efa2789f6d93d22beb648640",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2026-03-06T11:03:44Z",
    "title_canon_sha256": "6c5d0ab9b0ccbbf724d43296307f90132d03d44bc605b43c1f511dd41052c540"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.06152",
    "kind": "arxiv",
    "version": 2
  }
}