Pith Number

pith:7GTDSE6U

pith:2017:7GTDSE6UJLOV7KGSHL2BEM5CJV

not attested not anchored not stored refs pending

A nested expectation-maximization algorithm for latent class models with covariates

Antonio Canale, Daniele Durante, Tommaso Rigon

arxiv:1705.03864 v5 · 2017-05-10 · stat.CO · 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{7GTDSE6UJLOV7KGSHL2BEM5CJV}

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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	2026-07-05T00:19:27.668754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9a63913d44add5fa8d23af41233a24d7fd1e6975a8d615c5d4ccc2f0139424a

Aliases

arxiv: 1705.03864 · arxiv_version: 1705.03864v5 · doi: 10.48550/arxiv.1705.03864 · pith_short_12: 7GTDSE6UJLOV · pith_short_16: 7GTDSE6UJLOV7KGS · pith_short_8: 7GTDSE6U

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/7GTDSE6UJLOV7KGSHL2BEM5CJV \
  | 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: f9a63913d44add5fa8d23af41233a24d7fd1e6975a8d615c5d4ccc2f0139424a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d749447f054201985f2e8fc6745f6dd098d3972c10ce3af84c82ec3e8712c76",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2017-05-10T17:29:10Z",
    "title_canon_sha256": "4bcd7a3b674a701b350b1eeac8ec9149391ec39e7580c9f2c7292d121f2c10f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03864",
    "kind": "arxiv",
    "version": 5
  }
}