Pith Number

pith:RQVPUKFG

pith:2016:RQVPUKFGNNXWCNVFIXDEIV6CVZ

not attested not anchored not stored refs pending

A simple multithreaded implementation of the EM algorithm for mixture models

Geoffrey J McLachlan, Kaleb L Lee, Sharon X Lee

arxiv:1606.02054 v1 · 2016-06-07 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQVPUKFGNNXWCNVFIXDEIV6CVZ}

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	2026-05-18T01:12:44.714206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c2afa28a66b6f6136a545c64457c2ae76ccccbf8273201532c8ab78a10272db

Aliases

arxiv: 1606.02054 · arxiv_version: 1606.02054v1 · doi: 10.48550/arxiv.1606.02054 · pith_short_12: RQVPUKFGNNXW · pith_short_16: RQVPUKFGNNXWCNVF · pith_short_8: RQVPUKFG

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/RQVPUKFGNNXWCNVFIXDEIV6CVZ \
  | 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: 8c2afa28a66b6f6136a545c64457c2ae76ccccbf8273201532c8ab78a10272db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91f94b6cd7316dd8733ffecd2f50245e9c3746d21c8445fb96f85bb8cf9629db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2016-06-07T08:04:11Z",
    "title_canon_sha256": "1cebc1f8e77642be43a4f0d11f63aee4cadfed9d4d7db7873ac81cd89541a442"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02054",
    "kind": "arxiv",
    "version": 1
  }
}