Pith Number

pith:WJ6RBWUW

pith:2012:WJ6RBWUWBQBMRL464OJQR7AEHG

not attested not anchored not stored refs pending

Enhancing the selection of a model-based clustering with external qualitative variables

Ana Sousa Ferreira, Gilles Celeux, Jean-Patrick Baudry, Margarida Cardoso, Maria Jos\'e Amorim

arxiv:1211.0437 v2 · 2012-11-02 · stat.ME · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJ6RBWUWBQBMRL464OJQR7AEHG}

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	2026-05-18T03:18:18.538176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b27d10da960c02c8af9ee39308fc04399948f4d2580101572713de852e91ae81

Aliases

arxiv: 1211.0437 · arxiv_version: 1211.0437v2 · doi: 10.48550/arxiv.1211.0437 · pith_short_12: WJ6RBWUWBQBM · pith_short_16: WJ6RBWUWBQBMRL46 · pith_short_8: WJ6RBWUW

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/WJ6RBWUWBQBMRL464OJQR7AEHG \
  | 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: b27d10da960c02c8af9ee39308fc04399948f4d2580101572713de852e91ae81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "348941bbf02706f20dada84cd07b1410ef369f4de481906e3026eed3cb6c3635",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2012-11-02T12:36:26Z",
    "title_canon_sha256": "ff2a1f4f80cafc0e846d9950886e054e4468a4bb97a03137029ec9a54f46f9a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0437",
    "kind": "arxiv",
    "version": 2
  }
}