Pith Number

pith:IEVQPZBQ

pith:2011:IEVQPZBQ63PIJJOTZQPFX5ZLNG

not attested not anchored not stored refs pending

A fast and recursive algorithm for clustering large datasets with $k$-medians

Herv\'e Cardot, Jean-Marie Monnez, Peggy C\'enac

arxiv:1101.4179 v3 · 2011-01-21 · stat.CO · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IEVQPZBQ63PIJJOTZQPFX5ZLNG}

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	2026-05-18T02:22:50.653584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

412b07e430f6de84a5d3cc1e5bf72b698eec8693335791ff32dd746c4dc03182

Aliases

arxiv: 1101.4179 · arxiv_version: 1101.4179v3 · doi: 10.48550/arxiv.1101.4179 · pith_short_12: IEVQPZBQ63PI · pith_short_16: IEVQPZBQ63PIJJOT · pith_short_8: IEVQPZBQ

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/IEVQPZBQ63PIJJOTZQPFX5ZLNG \
  | 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: 412b07e430f6de84a5d3cc1e5bf72b698eec8693335791ff32dd746c4dc03182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e19ea109f97dc0849ffd650a1d27ff5d832a97695509ebddac2cdb9da7d9838c",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2011-01-21T16:48:51Z",
    "title_canon_sha256": "8203c1a6147e909f2cb1473745be8ad6a3ec78b5dc9fd2635c7875dda36fb5ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4179",
    "kind": "arxiv",
    "version": 3
  }
}