Pith Number

pith:IT2X4A4N

pith:2024:IT2X4A4NDBKFSXQVU4SOTTD4SE

not attested not anchored not stored refs pending

Arrow Matrix Decomposition: A Novel Approach for Communication-Efficient Sparse Matrix Multiplication

Alexandros Nikolaos Ziogas, Armon Carigiet, Chio Ge, Florian Scheidl, Langwen Huang, Lukas Gianinazzi, Maciej Besta, Nabil Abubaker, Piotr Luczynski, Saleh Ashkboos, Tal Ben-Nun, Torsten Hoefler

arxiv:2402.19364 v2 · 2024-02-29 · 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{IT2X4A4NDBKFSXQVU4SOTTD4SE}

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	2026-07-05T07:58:28.010078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44f57e038d1854595e15a724e9cc7c913ead3f9df1c24257170e2f363671397d

Aliases

arxiv: 2402.19364 · arxiv_version: 2402.19364v2 · doi: 10.48550/arxiv.2402.19364 · pith_short_12: IT2X4A4NDBKF · pith_short_16: IT2X4A4NDBKFSXQV · pith_short_8: IT2X4A4N

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/IT2X4A4NDBKFSXQVU4SOTTD4SE \
  | 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: 44f57e038d1854595e15a724e9cc7c913ead3f9df1c24257170e2f363671397d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c154213b7e9c02daae3ab2ee74ef8497221287b1434657f54e0431d4b9b0936",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2024-02-29T17:13:25Z",
    "title_canon_sha256": "daed0dfca450aca98f62112359b2520963bd7984214b3816e68ba10426c5486d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.19364",
    "kind": "arxiv",
    "version": 2
  }
}