Pith Number

pith:PZXV5WD7

pith:2010:PZXV5WD7JWZKEDU2QZSMDZNO4P

not attested not anchored not stored refs pending

On the Mesh Array for Matrix Multiplication

Subhash Kak

arxiv:1010.5421 v1 · 2010-10-26 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PZXV5WD7JWZKEDU2QZSMDZNO4P}

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	2026-05-18T02:23:38.592447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e6f5ed87f4db2a20e9a8664c1e5aee3d9ee466423ee50d0244b2861ff5bbf74

Aliases

arxiv: 1010.5421 · arxiv_version: 1010.5421v1 · doi: 10.48550/arxiv.1010.5421 · pith_short_12: PZXV5WD7JWZK · pith_short_16: PZXV5WD7JWZKEDU2 · pith_short_8: PZXV5WD7

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/PZXV5WD7JWZKEDU2QZSMDZNO4P \
  | 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: 7e6f5ed87f4db2a20e9a8664c1e5aee3d9ee466423ee50d0244b2861ff5bbf74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75e9364a652b70d76fc615d29419008e3c0bc4d402cfd1128c45f3548f619348",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2010-10-26T15:10:37Z",
    "title_canon_sha256": "33b44d190f0ee0930d684596fea36b28a4b37f5960e51f60f5c4016ab66d8078"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5421",
    "kind": "arxiv",
    "version": 1
  }
}