Pith Number

pith:ZP32MCYP

pith:2016:ZP32MCYPW6CG4JYTV7VLP23TTA

not attested not anchored not stored refs pending

Method for Computation of the Fisher Information Matrix in the Expectation-Maximization Algorithm

Lingyao Meng

arxiv:1608.01734 v1 · 2016-08-05 · 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{ZP32MCYPW6CG4JYTV7VLP23TTA}

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	2026-05-18T01:09:44.739507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbf7a60b0fb7846e2713afeab7eb73980bbf3785481d10fbf935b7d43c3af21f

Aliases

arxiv: 1608.01734 · arxiv_version: 1608.01734v1 · doi: 10.48550/arxiv.1608.01734 · pith_short_12: ZP32MCYPW6CG · pith_short_16: ZP32MCYPW6CG4JYT · pith_short_8: ZP32MCYP

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/ZP32MCYPW6CG4JYTV7VLP23TTA \
  | 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: cbf7a60b0fb7846e2713afeab7eb73980bbf3785481d10fbf935b7d43c3af21f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "551c51153e8fa0ea2dd7dc00a752373ca069c171f16d96e6c5e1a9fb4d8b2288",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2016-08-05T01:16:04Z",
    "title_canon_sha256": "c82244412b493aa57cbdcdbfef84bbd39532b6f973f98ea51ed356d8cb8d525b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01734",
    "kind": "arxiv",
    "version": 1
  }
}