Pith Number

pith:S5BENODJ

pith:2009:S5BENODJ4A4FKLM2M26FDQNSQT

not attested not anchored not stored refs pending

Performance limitations for sparse matrix-vector multiplications on current multicore environments

Georg Hager, Gerald Schubert, Holger Fehske

arxiv:0910.4836 v1 · 2009-10-26 · 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{S5BENODJ4A4FKLM2M26FDQNSQT}

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	2026-05-18T04:01:13.486386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

974246b869e038552d9a66bc51c1b284c6eaa647e6714999e2c0e55dfed8c0b1

Aliases

arxiv: 0910.4836 · arxiv_version: 0910.4836v1 · doi: 10.48550/arxiv.0910.4836 · pith_short_12: S5BENODJ4A4F · pith_short_16: S5BENODJ4A4FKLM2 · pith_short_8: S5BENODJ

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/S5BENODJ4A4FKLM2M26FDQNSQT \
  | 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: 974246b869e038552d9a66bc51c1b284c6eaa647e6714999e2c0e55dfed8c0b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "384898b3f173c246572d34c43f636957f32bfd63b82fa9ab4bc66bdfe4672c65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PF",
    "submitted_at": "2009-10-26T09:31:38Z",
    "title_canon_sha256": "3332cace1c62271b9ab599a04fc892ecb16d4bf4e9c0f159da1088d045d12da4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4836",
    "kind": "arxiv",
    "version": 1
  }
}