Pith Number

pith:VS7KBIRJ

pith:2018:VS7KBIRJNJI2VEVANX2AB2LGUQ

not attested not anchored not stored refs pending

Optimizing Sparse Matrix-Vector Multiplication on Emerging Many-Core Architectures

Chuanfu Xu, Donglin Chen, Jianbin Fang, Shizhao Chen, Zheng Wang

arxiv:1805.11938 v1 · 2018-05-29 · 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{VS7KBIRJNJI2VEVANX2AB2LGUQ}

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	2026-05-18T00:14:35.688463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acbea0a2296a51aa92a06df400e966a421059bd9334e47e76a68cc4826448e95

Aliases

arxiv: 1805.11938 · arxiv_version: 1805.11938v1 · doi: 10.48550/arxiv.1805.11938 · pith_short_12: VS7KBIRJNJI2 · pith_short_16: VS7KBIRJNJI2VEVA · pith_short_8: VS7KBIRJ

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/VS7KBIRJNJI2VEVANX2AB2LGUQ \
  | 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: acbea0a2296a51aa92a06df400e966a421059bd9334e47e76a68cc4826448e95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "633ef67877b87e138e039a80e290993c0d762ab44f9a95e8ee171f9a7f5bc1ee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2018-05-29T15:29:30Z",
    "title_canon_sha256": "f841f8b34dc511a28946bbcee5a3dc0edefd45d95d58d17f3fc82667183ba0df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11938",
    "kind": "arxiv",
    "version": 1
  }
}