Pith Number

pith:KFTFMJJD

pith:2014:KFTFMJJDIP4E6GHHEKNC24VY3H

not attested not anchored not stored refs pending

Fast Matrix Multiplication with Sketching

Christos Boutsidis, Daniel Hsu, Edo Liberty, Huan Wang

arxiv:1406.2648 v2 · 2014-06-09 · cs.NA · cs.DS · math.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{KFTFMJJDIP4E6GHHEKNC24VY3H}

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	2026-05-18T02:49:54.485515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

516656252343f84f18e7229a2d72b8d9d72c2413a044aee27ec931e27d948423

Aliases

arxiv: 1406.2648 · arxiv_version: 1406.2648v2 · doi: 10.48550/arxiv.1406.2648 · pith_short_12: KFTFMJJDIP4E · pith_short_16: KFTFMJJDIP4E6GHH · pith_short_8: KFTFMJJD

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/KFTFMJJDIP4E6GHHEKNC24VY3H \
  | 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: 516656252343f84f18e7229a2d72b8d9d72c2413a044aee27ec931e27d948423

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "546772b65a0f4ff4f771fcd468528a9ef3b12f6fe7f41f9a46191c62d1ce65f1",
    "cross_cats_sorted": [
      "cs.DS",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2014-06-09T18:45:57Z",
    "title_canon_sha256": "19ae28bdc507a0603a5f99a87596c67ed707258cbc6eeb46ac05920bf973d79a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2648",
    "kind": "arxiv",
    "version": 2
  }
}