Pith Number

pith:SDNXZTAI

pith:2015:SDNXZTAIPQEAXJPKLLTCTEB6JL

not attested not anchored not stored refs pending

Initializing EM algorithm for univariate Gaussian, multi-component, heteroscedastic mixture models by dynamic programming partitions

Andrzej Polanski, Joanna Polanska, Michal Marczyk, Monika Pietrowska, Piotr Widlak

arxiv:1506.07450 v2 · 2015-06-24 · 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{SDNXZTAIPQEAXJPKLLTCTEB6JL}

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	2026-05-18T01:35:59.511737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90db7ccc087c080ba5ea5ae629903e4ac4521c31c64d117fd65bce75cb7d95b9

Aliases

arxiv: 1506.07450 · arxiv_version: 1506.07450v2 · doi: 10.48550/arxiv.1506.07450 · pith_short_12: SDNXZTAIPQEA · pith_short_16: SDNXZTAIPQEAXJPK · pith_short_8: SDNXZTAI

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/SDNXZTAIPQEAXJPKLLTCTEB6JL \
  | 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: 90db7ccc087c080ba5ea5ae629903e4ac4521c31c64d117fd65bce75cb7d95b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4677043e45091d9bfc2499e1e5303936330377e86f793c9d26b28211d6bec8ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-06-24T16:18:00Z",
    "title_canon_sha256": "4dc93640a7f73202eab44b1bc75e580c9cfd0b6665480c3c30af6dfec7314b73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07450",
    "kind": "arxiv",
    "version": 2
  }
}