Pith Number

pith:XNFAN227

pith:2018:XNFAN227OTKGGRBHFZDQBT2UW3

not attested not anchored not stored refs pending

CUDACLAW: A high-performance programmable GPU framework for the solution of hyperbolic PDEs

Aron Ahmadia, David Ketcheson, George Turkiyyah, H. Gorune Ohannessian

arxiv:1805.08846 v1 · 2018-05-21 · cs.MS · 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{XNFAN227OTKGGRBHFZDQBT2UW3}

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	2026-05-18T00:15:09.289654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb4a06eb5f74d46344272e4700cf54b6e0e6666ac07672369be845ca7bd2e750

Aliases

arxiv: 1805.08846 · arxiv_version: 1805.08846v1 · doi: 10.48550/arxiv.1805.08846 · pith_short_12: XNFAN227OTKG · pith_short_16: XNFAN227OTKGGRBH · pith_short_8: XNFAN227

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/XNFAN227OTKGGRBHFZDQBT2UW3 \
  | 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: bb4a06eb5f74d46344272e4700cf54b6e0e6666ac07672369be845ca7bd2e750

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2419e71e3442c9938b5bc471568218a67de713c0ac4bda158b0121b659c5e3d",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2018-05-21T14:21:51Z",
    "title_canon_sha256": "de179b65e743895ec23567d56b3050bb7f37aa971860a38129799ee846f614d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08846",
    "kind": "arxiv",
    "version": 1
  }
}