Pith Number

pith:DNCEYU6E

pith:2019:DNCEYU6EV43IUCSWWXSW5I5T4F

not attested not anchored not stored refs pending

Fast Strassen-based $A^t A$ Parallel Multiplication

Annalisa Massini, Viviana Arrigoni

arxiv:1902.02104 v1 · 2019-02-06 · cs.DC · 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{DNCEYU6EV43IUCSWWXSW5I5T4F}

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	2026-05-17T23:54:37.876590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b444c53c4af368a0a56b5e56ea3b3e15be16628adce059ab35f671aa5d4c196

Aliases

arxiv: 1902.02104 · arxiv_version: 1902.02104v1 · doi: 10.48550/arxiv.1902.02104 · pith_short_12: DNCEYU6EV43I · pith_short_16: DNCEYU6EV43IUCSW · pith_short_8: DNCEYU6E

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/DNCEYU6EV43IUCSWWXSW5I5T4F \
  | 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: 1b444c53c4af368a0a56b5e56ea3b3e15be16628adce059ab35f671aa5d4c196

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1e95e0a063961b21ed8163af683d3d09ab6861cd64dfc4e473b23e8258c86e6",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-02-06T10:46:03Z",
    "title_canon_sha256": "911aa393fd85d94628bd464ddf4178969532f749afc90e36d3cbfb19d9899a3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02104",
    "kind": "arxiv",
    "version": 1
  }
}