Pith Number

pith:U336LLZS

pith:2024:U336LLZSALBJ3TNHIXWJG22N4M

not attested not anchored not stored refs pending

A stable decoupled perfectly matched layer for the 3D wave equation using the nodal discontinuous Galerkin method

Allan Peter Engsig-Karup, Cheol-Ho Jeong, Finnur Pind, Matthias Cosnefroy, Sophia Julia Feriani, Tim Warburton

arxiv:2404.08464 v1 · 2024-04-12 · math.NA · cs.NA · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U336LLZSALBJ3TNHIXWJG22N4M}

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	2026-07-05T08:07:22.313942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6f7e5af3202c29dcda745ec936b4de3024144c3382edc31ae1a7fe5a6fdaff9

Aliases

arxiv: 2404.08464 · arxiv_version: 2404.08464v1 · doi: 10.48550/arxiv.2404.08464 · pith_short_12: U336LLZSALBJ · pith_short_16: U336LLZSALBJ3TNH · pith_short_8: U336LLZS

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/U336LLZSALBJ3TNHIXWJG22N4M \
  | 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: a6f7e5af3202c29dcda745ec936b4de3024144c3382edc31ae1a7fe5a6fdaff9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b622f55a00a2a5505570561bdca0e8e50e91e2f1582a25e147933d3896bf9fc",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-04-12T13:24:32Z",
    "title_canon_sha256": "e7962aa017246054309472f4f4df74344c8a1c38e1800295fd5aea7a4efcf533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.08464",
    "kind": "arxiv",
    "version": 1
  }
}