Pith Number

pith:DVM55FKE

pith:2012:DVM55FKEFIU3OF7EKYKRGFFH4A

not attested not anchored not stored refs pending

SMAT: An Input Adaptive Sparse Matrix-Vector Multiplication Auto-Tuner

Guangming Tan, Jiajia Li, Mingyu Chen, Xiuxia Zhang

arxiv:1210.2536 v1 · 2012-10-09 · cs.MS · 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{DVM55FKEFIU3OF7EKYKRGFFH4A}

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	2026-05-18T03:43:41.259571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d59de95442a29b717e456151314a7e039ce2f3ccbccb953bcddb3b85fb51413

Aliases

arxiv: 1210.2536 · arxiv_version: 1210.2536v1 · doi: 10.48550/arxiv.1210.2536 · pith_short_12: DVM55FKEFIU3 · pith_short_16: DVM55FKEFIU3OF7E · pith_short_8: DVM55FKE

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/DVM55FKEFIU3OF7EKYKRGFFH4A \
  | 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: 1d59de95442a29b717e456151314a7e039ce2f3ccbccb953bcddb3b85fb51413

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f309e9868d9d1338ee47010d41889ba46b866921fa4d2bd8d3a73552c671465",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2012-10-09T09:19:43Z",
    "title_canon_sha256": "d40d98e55454552baa2b65d1737cd11f2999fae888227a3689eea05c2d6dbe0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2536",
    "kind": "arxiv",
    "version": 1
  }
}