Pith Number

pith:X4EKG7LF

pith:2019:X4EKG7LF5YUDURJXOLHWLRZW7U

not attested not anchored not stored refs pending

Recombinator-k-means: An evolutionary algorithm that exploits k-means++ for recombination

Carlo Baldassi

arxiv:1905.00531 v5 · 2019-05-01 · cs.LG · 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{X4EKG7LF5YUDURJXOLHWLRZW7U}

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.

Cited by

1 paper in Pith

Number of Clusters in a Dataset: A Regularized K-means Approach

Receipt and verification

First computed	2026-07-05T03:55:23.838125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf08a37d65ee283a453772cf65c736fd1d082b247f47af1b754653516b94f6cc

Aliases

arxiv: 1905.00531 · arxiv_version: 1905.00531v5 · doi: 10.48550/arxiv.1905.00531 · pith_short_12: X4EKG7LF5YUD · pith_short_16: X4EKG7LF5YUDURJX · pith_short_8: X4EKG7LF

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/X4EKG7LF5YUDURJXOLHWLRZW7U \
  | 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: bf08a37d65ee283a453772cf65c736fd1d082b247f47af1b754653516b94f6cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26967c9653dea584c5983bd3374bbcd0b598b79064e0c159586a29f3aa9f704b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-01T23:55:00Z",
    "title_canon_sha256": "89a70c7dd99a850b1b7d10cb8ecf8873923b2da8c629d6c59822d18983f791dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00531",
    "kind": "arxiv",
    "version": 5
  }
}