Pith Number

pith:WE4UX53R

pith:2013:WE4UX53R2K4C4UGMEFYEOIZU5K

not attested not anchored not stored refs pending

Hierarchical Parallel Matrix Multiplication on Large-Scale Distributed Memory Platforms

Alexey Lastovetsky, Jean-Noel Quintin, Khalid Hasanov

arxiv:1306.4161 v1 · 2013-06-18 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WE4UX53R2K4C4UGMEFYEOIZU5K}

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	2026-05-18T03:20:36.950709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1394bf771d2b82e50cc2170472334ea95449f90bbf6dd1775e9ae7d1a16be0d

Aliases

arxiv: 1306.4161 · arxiv_version: 1306.4161v1 · doi: 10.48550/arxiv.1306.4161 · pith_short_12: WE4UX53R2K4C · pith_short_16: WE4UX53R2K4C4UGM · pith_short_8: WE4UX53R

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/WE4UX53R2K4C4UGMEFYEOIZU5K \
  | 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: b1394bf771d2b82e50cc2170472334ea95449f90bbf6dd1775e9ae7d1a16be0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbcc453910cd912ca3b205760b7adbf640908625c0867a250d9cc146056a7d74",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2013-06-18T12:17:36Z",
    "title_canon_sha256": "bee05b3cd31774b35a0f3f5bac817cfd103868f6fc5bd32a47f9da3d906eb5ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4161",
    "kind": "arxiv",
    "version": 1
  }
}