Pith Number

pith:V3KCMWQB

pith:2019:V3KCMWQBVSTVRKFA3VRBZCUK3B

not attested not anchored not stored refs pending

A study of vectorization for matrix-free finite element methods

Andreas Kl\"ockner, David A. Ham, Kaushik Kulkarni, Lawrence Mitchell, Paul H. J. Kelly, Tianjiao Sun

arxiv:1903.08243 v2 · 2019-03-19 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V3KCMWQBVSTVRKFA3VRBZCUK3B}

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	2026-07-05T01:29:36.574925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aed4265a01aca758a8a0dd621c8a8ad8491e891d280efd8ef3851ff0968ecdf3

Aliases

arxiv: 1903.08243 · arxiv_version: 1903.08243v2 · doi: 10.48550/arxiv.1903.08243 · pith_short_12: V3KCMWQBVSTV · pith_short_16: V3KCMWQBVSTVRKFA · pith_short_8: V3KCMWQB

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/V3KCMWQBVSTVRKFA3VRBZCUK3B \
  | 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: aed4265a01aca758a8a0dd621c8a8ad8491e891d280efd8ef3851ff0968ecdf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1c1f22dde1123d3ec77408cf64d75771d84dea0cd70579625a35fad160e11a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2019-03-19T20:15:03Z",
    "title_canon_sha256": "2831e10b8a63cc613e1cf364172fa73465499d5d321d09b9b8c3e8a7286e50c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08243",
    "kind": "arxiv",
    "version": 2
  }
}