Pith Number

pith:JM6LIVKD

pith:2013:JM6LIVKD37NUVNTO5PSTGGERE4

not attested not anchored not stored refs pending

Comparative Analysis of Viterbi Training and Maximum Likelihood Estimation for HMMs

Aram Galstyan, Armen E. Allahverdyan

arxiv:1312.4551 v1 · 2013-12-16 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JM6LIVKD37NUVNTO5PSTGGERE4}

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	2026-05-18T03:04:23.623118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b3cb45543dfdb4ab66eebe533189127085b345c67fdf0e728a6ef5d49c4974a

Aliases

arxiv: 1312.4551 · arxiv_version: 1312.4551v1 · doi: 10.48550/arxiv.1312.4551 · pith_short_12: JM6LIVKD37NU · pith_short_16: JM6LIVKD37NUVNTO · pith_short_8: JM6LIVKD

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/JM6LIVKD37NUVNTO5PSTGGERE4 \
  | 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: 4b3cb45543dfdb4ab66eebe533189127085b345c67fdf0e728a6ef5d49c4974a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57e0a8189a9d3769c2a4084e745026de07c0e9d8b78c1b63300d58dc4e1e062a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-12-16T21:03:28Z",
    "title_canon_sha256": "8c99a5bc6c844040e88f3974fd525446f70c59908cabcd78e5b0e7b30b7a4db4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4551",
    "kind": "arxiv",
    "version": 1
  }
}