Pith Number

pith:IHC732YG

pith:2018:IHC732YG6OO63IQPXL27OOLWBP

not attested not anchored not stored refs pending

Sparse Matrix Multiplication and Triangle Listing in the Congested Clique Model

Dean Leitersdorf, Elia Turner, Keren Censor-Hillel

arxiv:1802.04789 v4 · 2018-02-13 · cs.DS · 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{IHC732YG6OO63IQPXL27OOLWBP}

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	2026-05-17T23:50:45.178574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41c5fdeb06f39deda20fbaf5f739760bf209099a78e763f2cc9eb2013880d8e7

Aliases

arxiv: 1802.04789 · arxiv_version: 1802.04789v4 · doi: 10.48550/arxiv.1802.04789 · pith_short_12: IHC732YG6OO6 · pith_short_16: IHC732YG6OO63IQP · pith_short_8: IHC732YG

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/IHC732YG6OO63IQPXL27OOLWBP \
  | 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: 41c5fdeb06f39deda20fbaf5f739760bf209099a78e763f2cc9eb2013880d8e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efe031eb54a3c8e6042ddec90ae70a52a74041962f868bcd3e3caf2ffd94bd9c",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-02-13T18:47:15Z",
    "title_canon_sha256": "e4f291ab5007b44880bcd52dc4e1a29cb6e34461a64cb0039c8c998f9d308791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04789",
    "kind": "arxiv",
    "version": 4
  }
}