Pith Number

pith:EVNWV6O4

pith:2015:EVNWV6O4Q7W7MYGHFYCO2JB5UE

not attested not anchored not stored refs pending

Autotuning OpenCL Workgroup Size for Stencil Patterns

Chris Cummins, Hugh Leather, Michel Steuwer, Pavlos Petoumenos

arxiv:1511.02490 v3 · 2015-11-08 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EVNWV6O4Q7W7MYGHFYCO2JB5UE}

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	2026-05-18T01:23:18.491946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

255b6af9dc87edf660c72e04ed243da118de1d348b31a747bc6007d29569d05a

Aliases

arxiv: 1511.02490 · arxiv_version: 1511.02490v3 · doi: 10.48550/arxiv.1511.02490 · pith_short_12: EVNWV6O4Q7W7 · pith_short_16: EVNWV6O4Q7W7MYGH · pith_short_8: EVNWV6O4

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/EVNWV6O4Q7W7MYGHFYCO2JB5UE \
  | 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: 255b6af9dc87edf660c72e04ed243da118de1d348b31a747bc6007d29569d05a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe668e3b84587290961a1455a2ee65695ad805d2870ea86fc77843a1632edff8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2015-11-08T14:56:12Z",
    "title_canon_sha256": "d0fcff75bc581ca4802e8f3ceb2355c294907b1b2f88721567be79c4b774632a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02490",
    "kind": "arxiv",
    "version": 3
  }
}