Pith Number

pith:R7QZT4GZ

pith:2012:R7QZT4GZKAL6PLTRELIIQGVLQI

not attested not anchored not stored refs pending

Optimizing the Performance of Streaming Numerical Kernels on the IBM Blue Gene/P PowerPC 450 Processor

Aron J. Ahmadia, David E. Keyes, Jed Brown, John A. Gunnels, Tareq M. Malas

arxiv:1201.3496 v1 · 2012-01-17 · 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{R7QZT4GZKAL6PLTRELIIQGVLQI}

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	2026-05-18T01:30:01.419632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fe199f0d95017e7ae7122d0881aab82143f76395c5f243be1ce8d6151974e0c

Aliases

arxiv: 1201.3496 · arxiv_version: 1201.3496v1 · doi: 10.48550/arxiv.1201.3496 · pith_short_12: R7QZT4GZKAL6 · pith_short_16: R7QZT4GZKAL6PLTR · pith_short_8: R7QZT4GZ

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/R7QZT4GZKAL6PLTRELIIQGVLQI \
  | 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: 8fe199f0d95017e7ae7122d0881aab82143f76395c5f243be1ce8d6151974e0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8e0caf2d50eeb7028f0e9611d031d9e7aa3682dc44bfb35198319ccaaeb6a78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PF",
    "submitted_at": "2012-01-17T12:39:04Z",
    "title_canon_sha256": "79ef9379f795579aaa02eaa17563964f8bf4e0d868fd95c79852c2225122c129"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3496",
    "kind": "arxiv",
    "version": 1
  }
}