Pith Number

pith:4SWT2EG2

pith:2018:4SWT2EG2MRJWIP7JY7QCEO2QHP

not attested not anchored not stored refs pending

A new quadratic-time number-theoretic algorithm to solve matrix multiplication problem

Shrohan Mohapatra

arxiv:1806.03701 v4 · 2018-06-10 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SWT2EG2MRJWIP7JY7QCEO2QHP}

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	2026-05-17T23:55:20.577116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4ad3d10da6453643fe9c7e0223b503bf3de80aeb4abe3ce72241454ee15bd6f

Aliases

arxiv: 1806.03701 · arxiv_version: 1806.03701v4 · doi: 10.48550/arxiv.1806.03701 · pith_short_12: 4SWT2EG2MRJW · pith_short_16: 4SWT2EG2MRJWIP7J · pith_short_8: 4SWT2EG2

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/4SWT2EG2MRJWIP7JY7QCEO2QHP \
  | 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: e4ad3d10da6453643fe9c7e0223b503bf3de80aeb4abe3ce72241454ee15bd6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31d5d391896d5656750055124bb4fc2ccbdae6bd3508ec8ec386a83df5d1addf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-06-10T18:24:00Z",
    "title_canon_sha256": "99f86d063ad39a8b37c35c336299bfc93d15d9291b6c9c3f0c7fadd2f66e0767"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03701",
    "kind": "arxiv",
    "version": 4
  }
}