Pith Number

pith:XLUJXCIT

pith:2017:XLUJXCITD57IRAP6Q2M7E335ZY

not attested not anchored not stored refs pending

Increasing the Efficiency of Sparse Matrix-Matrix Multiplication with a 2.5D Algorithm and One-Sided MPI

Alfio Lazzaro, Joost VandeVondele, Juerg Hutter, Ole Schuett

arxiv:1705.10218 v1 · 2017-05-29 · cs.DC · 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{XLUJXCITD57IRAP6Q2M7E335ZY}

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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	2026-05-18T00:43:20.293090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bae89b89131f7e8881fe8699f26f7dce3d8aedf5eb27a834f707f9d6cb40c10f

Aliases

arxiv: 1705.10218 · arxiv_version: 1705.10218v1 · doi: 10.48550/arxiv.1705.10218 · pith_short_12: XLUJXCITD57I · pith_short_16: XLUJXCITD57IRAP6 · pith_short_8: XLUJXCIT

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/XLUJXCITD57IRAP6Q2M7E335ZY \
  | 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: bae89b89131f7e8881fe8699f26f7dce3d8aedf5eb27a834f707f9d6cb40c10f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fa4760469d6c248bf8542b55af6685cf1a85ec5d9b2f1d173e271e1a4831ef8",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2017-05-29T14:42:14Z",
    "title_canon_sha256": "0e2d2ce5188e815ca4378b9e7e062acee8c61d2e7017dedfc58816e7d4f97070"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10218",
    "kind": "arxiv",
    "version": 1
  }
}