Pith Number

pith:GELFD3FQ

pith:2018:GELFD3FQPXZUQL6CPEL2POHJTF

not attested not anchored not stored refs pending

An efficient K -means clustering algorithm for massive data

Aritz P\'erez, Jose A. Lozano, Marco Cap\'o

arxiv:1801.02949 v1 · 2018-01-09 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GELFD3FQPXZUQL6CPEL2POHJTF}

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	2026-05-18T00:26:21.947215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

311651ecb07df3482fc27917a7b8e9994a9288af50094328dd9fb45bab895939

Aliases

arxiv: 1801.02949 · arxiv_version: 1801.02949v1 · doi: 10.48550/arxiv.1801.02949 · pith_short_12: GELFD3FQPXZU · pith_short_16: GELFD3FQPXZUQL6C · pith_short_8: GELFD3FQ

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/GELFD3FQPXZUQL6CPEL2POHJTF \
  | 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: 311651ecb07df3482fc27917a7b8e9994a9288af50094328dd9fb45bab895939

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5762181e3abae366db0b224c67369ccab2a3b2e2a10cbe93162ba00f491d3c4a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-01-09T14:32:06Z",
    "title_canon_sha256": "fbffe01c0f0cd610233421dff8b8290cce1a9cac0219b7d03119f36fc5b2a410"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02949",
    "kind": "arxiv",
    "version": 1
  }
}