Pith Number

pith:S72NNISN

pith:2013:S72NNISN6RGPUSS5W3PMI53E3O

not attested not anchored not stored refs pending

Model-guided Performance Analysis of the Sparse Matrix-Matrix Multiplication

Georg Hager, Klaus Iglberger, Tobias Scharpff, Ulrich Ruede

arxiv:1303.1651 v2 · 2013-03-07 · cs.PF · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S72NNISN6RGPUSS5W3PMI53E3O}

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	2026-05-18T03:26:31.912547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97f4d6a24df44cfa4a5db6dec47764db812852ab295e75bd7c7ffc8bfde21711

Aliases

arxiv: 1303.1651 · arxiv_version: 1303.1651v2 · doi: 10.48550/arxiv.1303.1651 · pith_short_12: S72NNISN6RGP · pith_short_16: S72NNISN6RGPUSS5 · pith_short_8: S72NNISN

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/S72NNISN6RGPUSS5W3PMI53E3O \
  | 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: 97f4d6a24df44cfa4a5db6dec47764db812852ab295e75bd7c7ffc8bfde21711

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "824f92ee87554b790d7c76a718183022e4b3a2335a80e79c4154816e0219b84d",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PF",
    "submitted_at": "2013-03-07T11:40:27Z",
    "title_canon_sha256": "19f51de9b0660a79d247fcb2883df513f0be3742dfd4fde15d55e89a17f19bc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1651",
    "kind": "arxiv",
    "version": 2
  }
}