Pith Number

pith:MIXFD7CA

pith:2015:MIXFD7CAWD2MLDWUBMPRCDBICD

not attested not anchored not stored refs pending

A lightweight optimization selection method for Sparse Matrix-Vector Multiplication

Athena Elafrou, Georgios Goumas, Nectarios Koziris

arxiv:1511.02494 v3 · 2015-11-08 · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MIXFD7CAWD2MLDWUBMPRCDBICD}

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	2026-05-18T01:23:07.916180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

622e51fc40b0f4c58ed40b1f110c2810d58aeab1bd13fbdde712f6ac427fee28

Aliases

arxiv: 1511.02494 · arxiv_version: 1511.02494v3 · doi: 10.48550/arxiv.1511.02494 · pith_short_12: MIXFD7CAWD2M · pith_short_16: MIXFD7CAWD2MLDWU · pith_short_8: MIXFD7CA

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/MIXFD7CAWD2MLDWUBMPRCDBICD \
  | 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: 622e51fc40b0f4c58ed40b1f110c2810d58aeab1bd13fbdde712f6ac427fee28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f4b4a0dc621eccd753dfe3908eb33eb7728a9e6c9c6ae587da4ebc0e8cfe8d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PF",
    "submitted_at": "2015-11-08T15:06:10Z",
    "title_canon_sha256": "ffc78df6e7671a85c7fe3b325ad82f13f153dd3a50aec318807a4c0c486f77c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02494",
    "kind": "arxiv",
    "version": 3
  }
}