Pith Number

pith:YV4MXFHN

pith:2026:YV4MXFHNWYD76ICEISSBRUVCQP

not attested not anchored not stored refs pending

Rectangular Matrix Multiplication in the Low-Bandwidth Model

Chetan Gupta, Hossein Vahidi, Jukka Suomela

arxiv:2606.04652 v1 · 2026-06-03 · 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{YV4MXFHNWYD76ICEISSBRUVCQP}

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	2026-06-04T01:09:23.273980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c578cb94edb607ff204444a418d2a283c04ebf8f08e666ef1d826a733fe15edf

Aliases

arxiv: 2606.04652 · arxiv_version: 2606.04652v1 · doi: 10.48550/arxiv.2606.04652 · pith_short_12: YV4MXFHNWYD7 · pith_short_16: YV4MXFHNWYD76ICE · pith_short_8: YV4MXFHN

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/YV4MXFHNWYD76ICEISSBRUVCQP \
  | 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: c578cb94edb607ff204444a418d2a283c04ebf8f08e666ef1d826a733fe15edf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7849038dd5a887f02ad73e39268ee1c7ad632d89bd4e0cd080d1ede6c6547b9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-06-03T09:22:49Z",
    "title_canon_sha256": "f5b442c8d0ce2a5bce0fe692857942b02eafc5228db5994ee83762d7c926e4ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04652",
    "kind": "arxiv",
    "version": 1
  }
}