Pith Number

pith:ST5IW2L5

pith:2013:ST5IW2L5YZEL4TXYMRREBDWT4R

not attested not anchored not stored refs pending

Robust EM algorithm for model-based curve clustering

Faicel Chamroukhi

arxiv:1312.7022 v1 · 2013-12-25 · stat.ME · 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{ST5IW2L5YZEL4TXYMRREBDWT4R}

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	2026-05-18T02:53:07.570100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94fa8b697dc648be4ef86462408ed3e44ce7bfb01eec0240ead78bb3ecac5e20

Aliases

arxiv: 1312.7022 · arxiv_version: 1312.7022v1 · doi: 10.48550/arxiv.1312.7022 · pith_short_12: ST5IW2L5YZEL · pith_short_16: ST5IW2L5YZEL4TXY · pith_short_8: ST5IW2L5

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/ST5IW2L5YZEL4TXYMRREBDWT4R \
  | 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: 94fa8b697dc648be4ef86462408ed3e44ce7bfb01eec0240ead78bb3ecac5e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8d553daeddf6123253442b0cd7a12b240c379e5f4549e91a84eeb39c7e9f266",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-12-25T21:04:08Z",
    "title_canon_sha256": "96dfd4c3a7d12c7ffa8dd703d2f66db21c95f244a3cdc1a2c5660e1daf0f9e9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7022",
    "kind": "arxiv",
    "version": 1
  }
}