Pith Number

pith:UUO4Z2RD

pith:2008:UUO4Z2RD7UHDEJRJBZCNTJTOLH

not attested not anchored not stored refs pending

A pattern mixture model for a paired $2\times2$ crossover design

Laura J. Simon, Vernon M. Chinchilli

arxiv:0805.2456 v1 · 2008-05-16 · 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{UUO4Z2RD7UHDEJRJBZCNTJTOLH}

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	2026-07-04T15:34:47.300929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a51dccea23fd0e3226290e44d9a66e59ebde7f8323dc4bdf4deb7e10d87d96ac

Aliases

arxiv: 0805.2456 · arxiv_version: 0805.2456v1 · doi: 10.48550/arxiv.0805.2456 · pith_short_12: UUO4Z2RD7UHD · pith_short_16: UUO4Z2RD7UHDEJRJ · pith_short_8: UUO4Z2RD

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/UUO4Z2RD7UHDEJRJBZCNTJTOLH \
  | 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: a51dccea23fd0e3226290e44d9a66e59ebde7f8323dc4bdf4deb7e10d87d96ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3914bd76942a9d9dc8839a37acde95607d150a756f8388d92e90019c4e7cd74",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2008-05-16T06:47:41Z",
    "title_canon_sha256": "9fbca322c859429a29657bdcb6da5cb7d81b70e2b35468944d85a5e5c7b31b72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.2456",
    "kind": "arxiv",
    "version": 1
  }
}