Pith Number

pith:IRPAYV2H

pith:2025:IRPAYV2HZOMVWOKHHCUR5YVX6Y

not attested not anchored not stored refs pending

K*-Means: A Parameter-free Clustering Algorithm

Louis Mahon, Mirella Lapata

arxiv:2505.11904 v1 · 2025-05-17 · cs.LG · cs.AI · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IRPAYV2HZOMVWOKHHCUR5YVX6Y}

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	2026-07-05T11:04:54.319170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

445e0c5747cb995b394738a91ee2b7f615b20ee92a3de3e1fe03248398125d83

Aliases

arxiv: 2505.11904 · arxiv_version: 2505.11904v1 · doi: 10.48550/arxiv.2505.11904 · pith_short_12: IRPAYV2HZOMV · pith_short_16: IRPAYV2HZOMVWOKH · pith_short_8: IRPAYV2H

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/IRPAYV2HZOMVWOKHHCUR5YVX6Y \
  | 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: 445e0c5747cb995b394738a91ee2b7f615b20ee92a3de3e1fe03248398125d83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4305d1926043cc9172696682a4926e9d420c236ace7d4711d49214b93c74f90c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-17T08:41:07Z",
    "title_canon_sha256": "769c511d7451f8920e09135fbcde99383bd917a2072dbd941f408a5862e7adc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.11904",
    "kind": "arxiv",
    "version": 1
  }
}