Pith Number

pith:OCYR2ZT7

pith:2014:OCYR2ZT7275MWJH5LGKMI7QIEN

not attested not anchored not stored refs pending

Experimental Evaluation of Multi-Round Matrix Multiplication on MapReduce

Francesco Silvestri, Matteo Ceccarello

arxiv:1408.2858 v2 · 2014-08-12 · cs.DC · cs.DS · 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{OCYR2ZT7275MWJH5LGKMI7QIEN}

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	2026-05-18T02:29:01.378011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70b11d667fd7facb24fd5994c47e08237dae328f37bd147183800a27bfaa8057

Aliases

arxiv: 1408.2858 · arxiv_version: 1408.2858v2 · doi: 10.48550/arxiv.1408.2858 · pith_short_12: OCYR2ZT7275M · pith_short_16: OCYR2ZT7275MWJH5 · pith_short_8: OCYR2ZT7

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/OCYR2ZT7275MWJH5LGKMI7QIEN \
  | 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: 70b11d667fd7facb24fd5994c47e08237dae328f37bd147183800a27bfaa8057

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b14de2d73d8add90a9dbaa483840a794e2455d43579a60752a2333bac68f67af",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2014-08-12T21:23:11Z",
    "title_canon_sha256": "22ba482ea261187c954fd07b8a784723a2722be3e7afe1d39814209d87fe8963"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2858",
    "kind": "arxiv",
    "version": 2
  }
}