Pith Number

pith:ELZ4ACBR

pith:2018:ELZ4ACBROMQAFTVMRVPRSNJLAM

not attested not anchored not stored refs pending

Accelerating wave-propagation algorithms with adaptive mesh refinement using the Graphics Processing Unit (GPU)

Michael R. Motley, Randall J. LeVeque, Xinsheng Qin

arxiv:1808.02638 v1 · 2018-08-08 · cs.MS · cs.DC · cs.NA · math.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{ELZ4ACBROMQAFTVMRVPRSNJLAM}

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	2026-05-18T00:08:34.769909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22f3c00831732002ceac8d5f19352b03118b0d5b0443542cbe0f3d675626e5fd

Aliases

arxiv: 1808.02638 · arxiv_version: 1808.02638v1 · doi: 10.48550/arxiv.1808.02638 · pith_short_12: ELZ4ACBROMQA · pith_short_16: ELZ4ACBROMQAFTVM · pith_short_8: ELZ4ACBR

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/ELZ4ACBROMQAFTVMRVPRSNJLAM \
  | 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: 22f3c00831732002ceac8d5f19352b03118b0d5b0443542cbe0f3d675626e5fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "def993079da3c3e929411310462847373692a539722a092e2ff3841e9d6e7df5",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2018-08-08T06:21:56Z",
    "title_canon_sha256": "3c5e000f5780d7e5d1a5eb4072d2f1c2cce40b3567bafc205dcd3f85e26adda6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02638",
    "kind": "arxiv",
    "version": 1
  }
}