Pith Number

pith:KAUHDLT3

pith:2015:KAUHDLT3PTPXKPD2GBZZWI2IY4

not attested not anchored not stored refs pending

Exploiting Multiple Levels of Parallelism in Sparse Matrix-Matrix Multiplication

Ariful Azad, Aydin Buluc, Grey Ballard, James Demmel, Laura Grigori, Oded Schwartz, Samuel Williams, Sivan Toledo

arxiv:1510.00844 v3 · 2015-10-03 · cs.DC · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KAUHDLT3PTPXKPD2GBZZWI2IY4}

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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	2026-05-18T00:58:04.409934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

502871ae7b7cdf753c7a30739b2348c71b1076c075aae65a660fd7454772b90b

Aliases

arxiv: 1510.00844 · arxiv_version: 1510.00844v3 · doi: 10.48550/arxiv.1510.00844 · pith_short_12: KAUHDLT3PTPX · pith_short_16: KAUHDLT3PTPXKPD2 · pith_short_8: KAUHDLT3

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/KAUHDLT3PTPXKPD2GBZZWI2IY4 \
  | 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: 502871ae7b7cdf753c7a30739b2348c71b1076c075aae65a660fd7454772b90b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d04bbf6bc02e60d8fc0622579c9f554a08c7589a34e6a82fb4cca2fc4229f2b",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2015-10-03T16:32:43Z",
    "title_canon_sha256": "d0c62799ab109c90f72f25fb01bb1f77e880c0b7418099dcd99517b61c86653c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.00844",
    "kind": "arxiv",
    "version": 3
  }
}