Pith Number

pith:257Y4VQD

pith:2016:257Y4VQD7EQRXL6SQCWRWT35U5

not attested not anchored not stored refs pending

cf4ocl: a C framework for OpenCL

Agostinho C. Rosa, Nuno Fachada, Rui C. Martins, Vitor V. Lopes

arxiv:1609.01257 v3 · 2016-09-05 · 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{257Y4VQD7EQRXL6SQCWRWT35U5}

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	2026-05-18T00:44:37.030519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d77f8e5603f9211bafd280ad1b4f7da773aacaf6496e869984ce163ce670d19d

Aliases

arxiv: 1609.01257 · arxiv_version: 1609.01257v3 · doi: 10.48550/arxiv.1609.01257 · pith_short_12: 257Y4VQD7EQR · pith_short_16: 257Y4VQD7EQRXL6S · pith_short_8: 257Y4VQD

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/257Y4VQD7EQRXL6SQCWRWT35U5 \
  | 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: d77f8e5603f9211bafd280ad1b4f7da773aacaf6496e869984ce163ce670d19d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "203b79c43c033e122038ab81ae7dd156293436cbd1741bd618f8beca3924b83e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-09-05T19:07:48Z",
    "title_canon_sha256": "baa3ce47579a199963f4a20f50fc9e2e084559f9ac452b964c2b32c5aa92eff3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01257",
    "kind": "arxiv",
    "version": 3
  }
}