Pith Number

pith:VWE4YOI2

pith:2019:VWE4YOI2HTJ32IYH22UX2WEEXU

not attested not anchored not stored refs pending

Generalization of k-means Related Algorithms

Yiwei Li

arxiv:1903.10025 v1 · 2019-03-24 · 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{VWE4YOI2HTJ32IYH22UX2WEEXU}

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	2026-05-17T23:50:34.750471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad89cc391a3cd3bd2307d6a97d5884bd376819f599218a5782cf178012128636

Aliases

arxiv: 1903.10025 · arxiv_version: 1903.10025v1 · doi: 10.48550/arxiv.1903.10025 · pith_short_12: VWE4YOI2HTJ3 · pith_short_16: VWE4YOI2HTJ32IYH · pith_short_8: VWE4YOI2

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/VWE4YOI2HTJ32IYH22UX2WEEXU \
  | 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: ad89cc391a3cd3bd2307d6a97d5884bd376819f599218a5782cf178012128636

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8832918e9d477a3a22523a3019d2f78a4cbd3a6c9d17dab7c930959ec54d4489",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-24T17:34:29Z",
    "title_canon_sha256": "d1b27a64a012d94755f5f09514cc48a81427af2a6c41ba065daffb59a7874a7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10025",
    "kind": "arxiv",
    "version": 1
  }
}