Pith Number

pith:YTBBCUYB

pith:2011:YTBBCUYBGDHNYNWICOJVMSF4AG

not attested not anchored not stored refs pending

On the fitting of mixtures of multivariate skew t-distributions via the EM algorithm

G. J. McLachlan, S. X. Lee

arxiv:1109.4706 v2 · 2011-09-22 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTBBCUYBGDHNYNWICOJVMSF4AG}

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	2026-05-18T03:46:16.933858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4c211530130cedc36c813935648bc0189a7ba7297576c2980d9dd0a18a02fb6

Aliases

arxiv: 1109.4706 · arxiv_version: 1109.4706v2 · doi: 10.48550/arxiv.1109.4706 · pith_short_12: YTBBCUYBGDHN · pith_short_16: YTBBCUYBGDHNYNWI · pith_short_8: YTBBCUYB

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/YTBBCUYBGDHNYNWICOJVMSF4AG \
  | 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: c4c211530130cedc36c813935648bc0189a7ba7297576c2980d9dd0a18a02fb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92cb0185d10a137bc0f11563248f6f12d84225beda457dab566c745fdc9c2eb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2011-09-22T05:00:49Z",
    "title_canon_sha256": "ca899dc9700a72cc5a6efd2b15ebc9d795db1aa4f27b93af90d155e271f5e495"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4706",
    "kind": "arxiv",
    "version": 2
  }
}