Pith Number

pith:QBUVY6QC

pith:2019:QBUVY6QCLPXCNILCGJYLR452ZX

not attested not anchored not stored refs pending

Identifying the number of clusters for K-Means: A hypersphere density based approach

C.R. Arjun, G. Paavai Anand, Shreeviknesh Sankaran, Sukavanan Nanjundan

arxiv:1912.00643 v2 · 2019-12-02 · 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{QBUVY6QCLPXCNILCGJYLR452ZX}

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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

Unsupervised learning for the systematic identification of nondispersive wave packets in driven helium

Receipt and verification

First computed	2026-07-05T00:23:52.455904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80695c7a025bee26a1623270b8f3bacdeebcb9dc69faf517cd0ce703e6f4aebc

Aliases

arxiv: 1912.00643 · arxiv_version: 1912.00643v2 · doi: 10.48550/arxiv.1912.00643 · pith_short_12: QBUVY6QCLPXC · pith_short_16: QBUVY6QCLPXCNILC · pith_short_8: QBUVY6QC

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/QBUVY6QCLPXCNILCGJYLR452ZX \
  | 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: 80695c7a025bee26a1623270b8f3bacdeebcb9dc69faf517cd0ce703e6f4aebc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99db7205cbdd70e009079a55e6e829a1ed7e35cab18f0527b0dd50d92054b4eb",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-12-02T09:12:15Z",
    "title_canon_sha256": "e92d14813f15e0b0d0336b8a0dc7575a9a4f317b86e8132284901fbd704d571e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.00643",
    "kind": "arxiv",
    "version": 2
  }
}