Pith Number

pith:2UCGMOZG

pith:2018:2UCGMOZGSH6OESXJRD55VXEET4

not attested not anchored not stored refs pending

hp-version time domain boundary elements for the wave equation on quasi-uniform meshes

Ceyhun Oezdemir, David Stark, Ernst P. Stephan, Heiko Gimperlein

arxiv:1811.01595 v3 · 2018-11-05 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2UCGMOZGSH6OESXJRD55VXEET4}

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	2026-07-05T00:45:49.843043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d504663b2691fce24ae988fbdadc849f1e20f38973db436cca43cceba7be95cb

Aliases

arxiv: 1811.01595 · arxiv_version: 1811.01595v3 · doi: 10.48550/arxiv.1811.01595 · pith_short_12: 2UCGMOZGSH6O · pith_short_16: 2UCGMOZGSH6OESXJ · pith_short_8: 2UCGMOZG

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/2UCGMOZGSH6OESXJRD55VXEET4 \
  | 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: d504663b2691fce24ae988fbdadc849f1e20f38973db436cca43cceba7be95cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a28c3cb96b0af9f9eb3c6ff3910c1ce66500c2c1b177d5995e9a5ce6b93240c0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-05T10:39:11Z",
    "title_canon_sha256": "2d25ba9f54077119e4fd4b841b9dcd800e345e1a821bb7247ac664c3b8117862"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01595",
    "kind": "arxiv",
    "version": 3
  }
}