Pith Number

pith:PG2FIV4P

pith:2024:PG2FIV4P6WFUMXKREECKIQVEZI

not attested not anchored not stored refs pending

Interface for Sparse Linear Algebra Operations

Ahmad Abdelfattah, Aydin Buluc, Azzam Haider, Ben Brock, Chris Armstrong, David Gardener, Federico Busato, Grace Dinh, Hartwig Anzt, Heiko Weichelt, Jan Fiala, Jason Riedy, Jim Demmel, Jose Moeira, Jose Moreira, Keita Teranishi, Manu Shantharam, Mark Gates, Max Melichenko, Pedro Valero Lara, Piotr Luszczek, Piyush Sao, Riley Murray, Sherry Li, Siva Rajamanickam, Slaven Peles, Spencer Patty, Stan Tomov, Terry Cojean, Tim Davis, Tobias Ribizel, Toshiyuki Imamura, Willow Ahrens, Yu-Hsiang Tsai, Yvan Mokwinski

arxiv:2411.13259 v1 · 2024-11-20 · 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{PG2FIV4P6WFUMXKREECKIQVEZI}

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.

Cited by

2 papers in Pith

Evaluating Rust for Sparse Matrix Kernels in Scientific Computing

Vortex: Efficient and Programmable Sparse Attention Serving for AI Agents

Receipt and verification

First computed	2026-07-05T09:38:07.607883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79b454578ff58b465d512104a442a4ca2c9fc480d3ac5989fde21ef98d5b84bf

Aliases

arxiv: 2411.13259 · arxiv_version: 2411.13259v1 · doi: 10.48550/arxiv.2411.13259 · pith_short_12: PG2FIV4P6WFU · pith_short_16: PG2FIV4P6WFUMXKR · pith_short_8: PG2FIV4P

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/PG2FIV4P6WFUMXKREECKIQVEZI \
  | 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: 79b454578ff58b465d512104a442a4ca2c9fc480d3ac5989fde21ef98d5b84bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f45e294a5bf3b782aa84f65a426f2ae8d8bde8d923fdfb31e2d6e79c9d239cc4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2024-11-20T12:20:45Z",
    "title_canon_sha256": "7613173f23e88b65145c2ba0b00aa19095e6d5f48f2ea9ddd3da2c7b0b04be63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.13259",
    "kind": "arxiv",
    "version": 1
  }
}