Pith Number

pith:VRQPFBNX

pith:2014:VRQPFBNXVLKNECAPH67F3OLJDR

not attested not anchored not stored refs pending

A Framework for Practical Parallel Fast Matrix Multiplication

Austin R. Benson, Grey Ballard

arxiv:1409.2908 v1 · 2014-09-09 · cs.DC · cs.MS · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRQPFBNXVLKNECAPH67F3OLJDR}

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	2026-05-18T00:26:47.414694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac60f285b7aad4d2080f3fbe5db9691c575c94fad119c611d479b8e0427bf4d1

Aliases

arxiv: 1409.2908 · arxiv_version: 1409.2908v1 · doi: 10.48550/arxiv.1409.2908 · pith_short_12: VRQPFBNXVLKN · pith_short_16: VRQPFBNXVLKNECAP · pith_short_8: VRQPFBNX

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/VRQPFBNXVLKNECAPH67F3OLJDR \
  | 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: ac60f285b7aad4d2080f3fbe5db9691c575c94fad119c611d479b8e0427bf4d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "518ec1417ce6201ab38be5e097a8b48f14f710e5ccffc4e59e03ea8c67418326",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2014-09-09T22:28:36Z",
    "title_canon_sha256": "8fc7af936e1939ceeb19657b2640a56f671ee12252fbbb4b86fe7dda31f67bc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2908",
    "kind": "arxiv",
    "version": 1
  }
}