Pith Number

pith:42QJTCT6

pith:2014:42QJTCT6JRXKTGG2OR5BGJ5PPB

not attested not anchored not stored refs pending

Quantifying the Effect of Matrix Structure on Multithreaded Performance of the SpMV Kernel

Daniel Kimball, Elizabeth Michel, Michael M. Wolf, Paul Keltcher

arxiv:1407.8168 v1 · 2014-07-30 · cs.DC · cs.NA · 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{42QJTCT6JRXKTGG2OR5BGJ5PPB}

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	2026-05-18T00:59:02.837147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a0998a7e4c6ea998da747a1327af787ffd8ede02636b86cf29e275f5153a41

Aliases

arxiv: 1407.8168 · arxiv_version: 1407.8168v1 · doi: 10.48550/arxiv.1407.8168 · pith_short_12: 42QJTCT6JRXK · pith_short_16: 42QJTCT6JRXKTGG2 · pith_short_8: 42QJTCT6

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/42QJTCT6JRXKTGG2OR5BGJ5PPB \
  | 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: e6a0998a7e4c6ea998da747a1327af787ffd8ede02636b86cf29e275f5153a41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3bd33cc4ada8db13167d60ac127cf679ce86296a86a2ac813d749881ea693c7",
    "cross_cats_sorted": [
      "cs.NA",
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2014-07-30T19:37:10Z",
    "title_canon_sha256": "d71af5bb8c56c9e33154b1493e197c5d487addfb172d282cd9ddb8daf282c45a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8168",
    "kind": "arxiv",
    "version": 1
  }
}