Pith Number

pith:MLSXVLLW

pith:2022:MLSXVLLWPV6UIGLOYV2ES2ZKSA

not attested not anchored not stored refs pending

Matrix Multiplication: Verifying Strong Uniquely Solvable Puzzles

Anthony Yang Xu, Matthew Anderson, Zongliang Ji

arxiv:2301.00074 v1 · 2022-12-30 · cs.CC · cs.AI · cs.DS · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MLSXVLLWPV6UIGLOYV2ES2ZKSA}

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	2026-07-05T05:29:42.338159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62e57aad767d7d44196ec574496b2a903bf8903267d54a5fa0ea878ee16edc3e

Aliases

arxiv: 2301.00074 · arxiv_version: 2301.00074v1 · doi: 10.48550/arxiv.2301.00074 · pith_short_12: MLSXVLLWPV6U · pith_short_16: MLSXVLLWPV6UIGLO · pith_short_8: MLSXVLLW

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/MLSXVLLWPV6UIGLOYV2ES2ZKSA \
  | 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: 62e57aad767d7d44196ec574496b2a903bf8903267d54a5fa0ea878ee16edc3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0042db0d0643c63baf6e3c3662f192188226e8367ff78fb269007a0e7d20e0ae",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DS",
      "cs.SC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2022-12-30T23:53:51Z",
    "title_canon_sha256": "3cb5f50d993a078795f1ff1a4fbe8851cc47dbcba2eb9fb8bc0dd88e18764644"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.00074",
    "kind": "arxiv",
    "version": 1
  }
}