Pith Number

pith:7ADX7SHL

pith:2016:7ADX7SHLAHFASZAZDQZGPLDR5Z

not attested not anchored not stored refs pending

Overfitting hidden Markov models with an unknown number of states

Judith Rousseau, Kerrie Mengersen, Nicole White, Zo\'e van Havre

arxiv:1602.02466 v1 · 2016-02-08 · stat.ME · 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{7ADX7SHLAHFASZAZDQZGPLDR5Z}

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	2026-05-18T01:21:09.847649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8077fc8eb01ca0964191c3267ac71ee443b8a823272d169e30d09aa547098fd

Aliases

arxiv: 1602.02466 · arxiv_version: 1602.02466v1 · doi: 10.48550/arxiv.1602.02466 · pith_short_12: 7ADX7SHLAHFA · pith_short_16: 7ADX7SHLAHFASZAZ · pith_short_8: 7ADX7SHL

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/7ADX7SHLAHFASZAZDQZGPLDR5Z \
  | 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: f8077fc8eb01ca0964191c3267ac71ee443b8a823272d169e30d09aa547098fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8454125cd8d375c8345bf2f6a2c83b565442b105047053485250e467c79f00c5",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-02-08T05:23:26Z",
    "title_canon_sha256": "05dfc0cbea9e261aab387a1a2a460a4d621010d33885b9b060190316828616f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02466",
    "kind": "arxiv",
    "version": 1
  }
}