Pith Number

pith:GGE5PETS

pith:2018:GGE5PETSKZ2KTGXQDECN3BFQUI

not attested not anchored not stored refs pending

Programming Parallel Dense Matrix Factorizations with Look-Ahead and OpenMP

Adri\'an Castell\'o, Enrique S. Quintana-Ort\'i, Francisco D. Igual, Rafael Rodr\'iguez-S\'anchez, Sandra Catal\'an

arxiv:1804.07017 v1 · 2018-04-19 · 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{GGE5PETSKZ2KTGXQDECN3BFQUI}

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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	2026-05-18T00:18:04.573959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3189d792725674a99af01904dd84b0a222bd16380ad432d1f16527af2a923c8c

Aliases

arxiv: 1804.07017 · arxiv_version: 1804.07017v1 · doi: 10.48550/arxiv.1804.07017 · pith_short_12: GGE5PETSKZ2K · pith_short_16: GGE5PETSKZ2KTGXQ · pith_short_8: GGE5PETS

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/GGE5PETSKZ2KTGXQDECN3BFQUI \
  | 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: 3189d792725674a99af01904dd84b0a222bd16380ad432d1f16527af2a923c8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cd7e29d82b13f949197a3d07727602ffda68c2b1ef7caa38424a5a0c9d1b82b",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-04-19T07:14:36Z",
    "title_canon_sha256": "528f7cca1b9dfe7e053b039fc3441fc1253a31d71182bbd70c603ad4b96d7910"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07017",
    "kind": "arxiv",
    "version": 1
  }
}