Pith Number

pith:XBK7FZW7

pith:2013:XBK7FZW74JLUDGA7JDHQEFM4ZS

not attested not anchored not stored refs pending

Nonparametric inference in hidden Markov models using P-splines

Alexander Sohn, Roland Langrock, Stacy DeRuiter, Thomas Kneib

arxiv:1309.0423 v2 · 2013-09-02 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XBK7FZW74JLUDGA7JDHQEFM4ZS}

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	2026-05-18T02:49:31.751359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b855f2e6dfe25741981f48cf02159ccc82112567d71e3e38362238414365e7a3

Aliases

arxiv: 1309.0423 · arxiv_version: 1309.0423v2 · doi: 10.48550/arxiv.1309.0423 · pith_short_12: XBK7FZW74JLU · pith_short_16: XBK7FZW74JLUDGA7 · pith_short_8: XBK7FZW7

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/XBK7FZW74JLUDGA7JDHQEFM4ZS \
  | 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: b855f2e6dfe25741981f48cf02159ccc82112567d71e3e38362238414365e7a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4473e82b802ec613d99b959224ffc38815c6bf326836d52ef482e2fbc49f1494",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-09-02T14:32:31Z",
    "title_canon_sha256": "c04806015cccb00435b6f4c0d681b155a9ec48d6044630d0a370876b42f178d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0423",
    "kind": "arxiv",
    "version": 2
  }
}