Pith Number

pith:W5BOGUA7

pith:2010:W5BOGUA7KBKD5QO4BRAWBPKV7E

not attested not anchored not stored refs pending

New Row-grouped CSR format for storing the sparse matrices on GPU with implementation in CUDA

Atsushi Suzuki, Jan Vacata, Tom\'a\v{s} Oberhuber

arxiv:1012.2270 v1 · 2010-12-10 · 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{W5BOGUA7KBKD5QO4BRAWBPKV7E}

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	2026-05-18T04:33:38.146741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b742e3501f50543ec1dc0c4160bd55f910dc889156fc07918d2f9d648b247620

Aliases

arxiv: 1012.2270 · arxiv_version: 1012.2270v1 · doi: 10.48550/arxiv.1012.2270 · pith_short_12: W5BOGUA7KBKD · pith_short_16: W5BOGUA7KBKD5QO4 · pith_short_8: W5BOGUA7

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/W5BOGUA7KBKD5QO4BRAWBPKV7E \
  | 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: b742e3501f50543ec1dc0c4160bd55f910dc889156fc07918d2f9d648b247620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96316df1d4073984a4f19cf2ce57763031c73ffd4047ef0e7f551e33c6084766",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2010-12-10T14:04:33Z",
    "title_canon_sha256": "ebb654401fe0f7b38c7de7f851b1ecca34cf58de032d3947a6af30e69fa4e2f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2270",
    "kind": "arxiv",
    "version": 1
  }
}