Pith Number

pith:77Z2CEER

pith:2009:77Z2CEER5JBM74PRIIQTDY3E5W

not attested not anchored not stored refs pending

A sticky HDP-HMM with application to speaker diarization

Alan S. Willsky, Emily B. Fox, Erik B. Sudderth, Michael I. Jordan

arxiv:0905.2592 v4 · 2009-05-15 · stat.ME · stat.AP · 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{77Z2CEER5JBM74PRIIQTDY3E5W}

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	2026-05-18T02:24:55.730115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fff3a11091ea42cff1f1422131e364ed9b5a79a26eaa98e2fd0e6758a3c1d257

Aliases

arxiv: 0905.2592 · arxiv_version: 0905.2592v4 · doi: 10.48550/arxiv.0905.2592 · pith_short_12: 77Z2CEER5JBM · pith_short_16: 77Z2CEER5JBM74PR · pith_short_8: 77Z2CEER

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/77Z2CEER5JBM74PRIIQTDY3E5W \
  | 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: fff3a11091ea42cff1f1422131e364ed9b5a79a26eaa98e2fd0e6758a3c1d257

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf3ecf38c1c7a54601c45bdc59429cc07248a8fa5d64de1715235919adbf1f83",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2009-05-15T18:06:13Z",
    "title_canon_sha256": "024a620bf116c7ea931fb67ffe36b0174bf888fa083af88fdfa071e0dd5c2434"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2592",
    "kind": "arxiv",
    "version": 4
  }
}