Pith Number

pith:X3RM4XKN

pith:2012:X3RM4XKNKKOQAMTKEWFSK7EZFK

not attested not anchored not stored refs pending

Hidden Markov Model Applications in Change-Point Analysis

Gregory Nuel, The Minh Luong, Vittorio Perduca

arxiv:1212.1778 v1 · 2012-12-08 · stat.AP · 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{X3RM4XKNKKOQAMTKEWFSK7EZFK}

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	2026-05-18T03:38:55.134821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bee2ce5d4d529d00326a258b257c992a9615a9485f002ed6495e0639fd534ad4

Aliases

arxiv: 1212.1778 · arxiv_version: 1212.1778v1 · doi: 10.48550/arxiv.1212.1778 · pith_short_12: X3RM4XKNKKOQ · pith_short_16: X3RM4XKNKKOQAMTK · pith_short_8: X3RM4XKN

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/X3RM4XKNKKOQAMTKEWFSK7EZFK \
  | 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: bee2ce5d4d529d00326a258b257c992a9615a9485f002ed6495e0639fd534ad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebef3307e81a84494b0dec8d6c2ed87c9cb65de971236b04e9b880907a5909d5",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-12-08T11:07:03Z",
    "title_canon_sha256": "45890c5e2c554fb00738cae962c82629070edc6b1722ebe41cb6fe10399a2586"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1778",
    "kind": "arxiv",
    "version": 1
  }
}