Pith Number

pith:6QGEIBII

pith:2011:6QGEIBIIJEXYBLU7EBK654RT4A

not attested not anchored not stored refs pending

Online Expectation Maximization based algorithms for inference in hidden Markov models

Gersende Fort (LTCI), Sylvain Le Corff (LTCI)

arxiv:1108.3968 v3 · 2011-08-19 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6QGEIBIIJEXYBLU7EBK654RT4A}

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	2026-05-18T03:43:05.346160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f40c440508492f80ae9f2055eef233e02357202a4cf49212a0dcf1e6acb2dd3a

Aliases

arxiv: 1108.3968 · arxiv_version: 1108.3968v3 · doi: 10.48550/arxiv.1108.3968 · pith_short_12: 6QGEIBIIJEXY · pith_short_16: 6QGEIBIIJEXYBLU7 · pith_short_8: 6QGEIBII

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/6QGEIBIIJEXYBLU7EBK654RT4A \
  | 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: f40c440508492f80ae9f2055eef233e02357202a4cf49212a0dcf1e6acb2dd3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bef033ee081fa491f787e5103bb8b822d9189a23e0b12f9ab08966d2473b5203",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-08-19T14:03:36Z",
    "title_canon_sha256": "e0c71a0c512c0e2eeb1b86110cc91b5896d20164a112c01d1169e4e392c9dc18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3968",
    "kind": "arxiv",
    "version": 3
  }
}