Pith Number

pith:RPQQGKK3

pith:2012:RPQQGKK3WGRDPD4QRXR6KBZGWY

not attested not anchored not stored refs pending

Compressed Multi-Row Storage Format for Sparse Matrices on Graphics Processing Units

{\L}ukasz Miros{\l}aw, Maciej Matyka, Sebastian Szkoda, Zbigniew Koza

arxiv:1203.2946 v2 · 2012-03-13 · physics.comp-ph · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RPQQGKK3WGRDPD4QRXR6KBZGWY}

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	2026-05-18T02:53:15.660952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8be103295bb1a2378f908de3e50726b6112b089481840865b72a2d27d01743b7

Aliases

arxiv: 1203.2946 · arxiv_version: 1203.2946v2 · doi: 10.48550/arxiv.1203.2946 · pith_short_12: RPQQGKK3WGRD · pith_short_16: RPQQGKK3WGRDPD4Q · pith_short_8: RPQQGKK3

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/RPQQGKK3WGRDPD4QRXR6KBZGWY \
  | 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: 8be103295bb1a2378f908de3e50726b6112b089481840865b72a2d27d01743b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "036e18fb57bafa04b06433141a29bc8389d7b8b196936d193185938adac03ebe",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2012-03-13T20:39:24Z",
    "title_canon_sha256": "74e8b69a91ed6168c4832a8e6631d613978c3590be103cfce8f61f61be597a61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2946",
    "kind": "arxiv",
    "version": 2
  }
}