Pith Number

pith:FVPIQHKQ

pith:2014:FVPIQHKQGEHJOWYAA7ZNMHGRAL

not attested not anchored not stored refs pending

Performance Portability Study of Linear Algebra Kernels in OpenCL

Ansgar J\"ungel, Florian Rudolf, Josef Weinbub, Karl Rupp, Philippe Tillet, Tibor Grasser

arxiv:1409.0669 v1 · 2014-09-02 · cs.MS · cs.DC · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FVPIQHKQGEHJOWYAA7ZNMHGRAL}

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	2026-07-05T05:12:25.091508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d5e881d50310e975b0007f2d61cd102e45a3f2cb958a228844bf34ad14fffb3

Aliases

arxiv: 1409.0669 · arxiv_version: 1409.0669v1 · doi: 10.48550/arxiv.1409.0669 · pith_short_12: FVPIQHKQGEHJ · pith_short_16: FVPIQHKQGEHJOWYA · pith_short_8: FVPIQHKQ

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/FVPIQHKQGEHJOWYAA7ZNMHGRAL \
  | 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: 2d5e881d50310e975b0007f2d61cd102e45a3f2cb958a228844bf34ad14fffb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db33c867a33e47ff31280f96bd9dfdbeca28077593334df7616c74ecf80c0c78",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2014-09-02T11:21:13Z",
    "title_canon_sha256": "fc4a62ff283472b94149c11549e678d7b464403c91acdcb0dd6a2a1d197f32a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0669",
    "kind": "arxiv",
    "version": 1
  }
}