Pith Number

pith:SPK2JFWG

pith:2018:SPK2JFWG7RJXK4M2N4MCUG6GXR

not attested not anchored not stored refs pending

Query K-means Clustering and the Double Dixie Cup Problem

Chao Pan, I Chien, Olgica Milenkovic

arxiv:1806.05938 v2 · 2018-06-15 · 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{SPK2JFWG7RJXK4M2N4MCUG6GXR}

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	2026-05-18T00:01:09.228581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d5a496c6fc5375719a6f182a1bc6bc48af4c48102e479cf6324dd2b9e3ff81

Aliases

arxiv: 1806.05938 · arxiv_version: 1806.05938v2 · doi: 10.48550/arxiv.1806.05938 · pith_short_12: SPK2JFWG7RJX · pith_short_16: SPK2JFWG7RJXK4M2 · pith_short_8: SPK2JFWG

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/SPK2JFWG7RJXK4M2N4MCUG6GXR \
  | 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: 93d5a496c6fc5375719a6f182a1bc6bc48af4c48102e479cf6324dd2b9e3ff81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e52ba280a8336ef0bc7ff9f7afccd1d51abafc53e66bc59977c98ad32fd5126",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-06-15T13:04:13Z",
    "title_canon_sha256": "6700af9f98f0444ab43f2918561c097465b7dcb6043f7c81fe1ea88c15eb623e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05938",
    "kind": "arxiv",
    "version": 2
  }
}