Pith Number

pith:4FRO7NZA

pith:2018:4FRO7NZANAYMSMRD24OHNN27TM

not attested not anchored not stored refs pending

On the Persistence of Clustering Solutions and True Number of Clusters in a Dataset

Amber Srivastava, Mayank Baranwal, Srinivasa Salapaka

arxiv:1811.00102 v2 · 2018-10-31 · cs.LG · cs.AI · 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{4FRO7NZANAYMSMRD24OHNN27TM}

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

Improving the Projection of Global Structures in Data through Spanning Trees

Receipt and verification

First computed	2026-05-18T00:00:29.478640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e162efb7206830c93223d71c76b75f9b11eaede592265334d177b0793a3ac02d

Aliases

arxiv: 1811.00102 · arxiv_version: 1811.00102v2 · doi: 10.48550/arxiv.1811.00102 · pith_short_12: 4FRO7NZANAYM · pith_short_16: 4FRO7NZANAYMSMRD · pith_short_8: 4FRO7NZA

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/4FRO7NZANAYMSMRD24OHNN27TM \
  | 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: e162efb7206830c93223d71c76b75f9b11eaede592265334d177b0793a3ac02d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f18dc492c9783f2cffa724a9d76c90477bedca4e7f9cc06dbfc92327b88c17d8",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-10-31T20:27:16Z",
    "title_canon_sha256": "72286c283edef32d15320561ec644a81185f175cdafe633eda46ab00a1b353ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00102",
    "kind": "arxiv",
    "version": 2
  }
}