Pith Number

pith:A4WRIHOV

pith:2018:A4WRIHOVSXKD6GE2W7FNI4B7SI

not attested not anchored not stored refs pending

GPU acceleration of splitting schemes applied to differential matrix equations

Hermann Mena, Lena-Maria Pfurtscheller, Tony Stillfjord

arxiv:1805.08990 v2 · 2018-05-23 · 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{A4WRIHOVSXKD6GE2W7FNI4B7SI}

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	2026-05-18T00:02:44.815190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

072d141dd595d43f189ab7cad4703f92084a36f34a383e1e26eb3696a82f3a7a

Aliases

arxiv: 1805.08990 · arxiv_version: 1805.08990v2 · doi: 10.48550/arxiv.1805.08990 · pith_short_12: A4WRIHOVSXKD · pith_short_16: A4WRIHOVSXKD6GE2 · pith_short_8: A4WRIHOV

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/A4WRIHOVSXKD6GE2W7FNI4B7SI \
  | 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: 072d141dd595d43f189ab7cad4703f92084a36f34a383e1e26eb3696a82f3a7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "342a3c6709a04fea206b6f5baf62d798ee166153cc894c34fe0ee1886afe25e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-05-23T07:37:13Z",
    "title_canon_sha256": "2b3062b07643019359ce72d2d28a043a81f285e28ede4d136ef7d329ae14b434"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08990",
    "kind": "arxiv",
    "version": 2
  }
}