Pith Number

pith:E2M7HPCN

pith:2014:E2M7HPCNU7C24CQNFX53UVALFZ

not attested not anchored not stored refs pending

Efficiency of Matrix Multiplication on the Cross-Wired Mesh Array

Subhash Kak

arxiv:1411.3273 v1 · 2014-11-12 · 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{E2M7HPCNU7C24CQNFX53UVALFZ}

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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	2026-05-18T02:37:45.380512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2699f3bc4da7c5ae0a0d2dfbba540b2e44c54a9039a99274c6d9bf88e5d27319

Aliases

arxiv: 1411.3273 · arxiv_version: 1411.3273v1 · doi: 10.48550/arxiv.1411.3273 · pith_short_12: E2M7HPCNU7C2 · pith_short_16: E2M7HPCNU7C24CQN · pith_short_8: E2M7HPCN

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/E2M7HPCNU7C24CQNFX53UVALFZ \
  | 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: 2699f3bc4da7c5ae0a0d2dfbba540b2e44c54a9039a99274c6d9bf88e5d27319

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0ff6274cf67037366b402c9bfb9a8b69b92d3524ffb2e3a35309619d5668e50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2014-11-12T18:35:49Z",
    "title_canon_sha256": "90ea7327faf1aeb0a69c437e3ffcae0ec2771c27ca9b55261a25bc6325dae6e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3273",
    "kind": "arxiv",
    "version": 1
  }
}