Pith Number

pith:DWOLYV52

pith:2009:DWOLYV52GHDT4GBBWIG5TQVVUA

not attested not anchored not stored refs pending

Chain graph models of multivariate regression type for categorical data

Giovanni M. Marchetti, Monia Lupparelli

arxiv:0906.2098 v3 · 2009-06-11 · 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{DWOLYV52GHDT4GBBWIG5TQVVUA}

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	2026-05-18T04:18:23.854575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d9cbc57ba31c73e1821b20dd9c2b5a02d381fa7800ad30a75a783bd260ebce6

Aliases

arxiv: 0906.2098 · arxiv_version: 0906.2098v3 · doi: 10.48550/arxiv.0906.2098 · pith_short_12: DWOLYV52GHDT · pith_short_16: DWOLYV52GHDT4GBB · pith_short_8: DWOLYV52

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/DWOLYV52GHDT4GBBWIG5TQVVUA \
  | 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: 1d9cbc57ba31c73e1821b20dd9c2b5a02d381fa7800ad30a75a783bd260ebce6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07ba4d1ba4e14021f4ae4f5b849d51b1fbe5541cf55f1592990f5d9fd4c8a3b1",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2009-06-11T13:12:28Z",
    "title_canon_sha256": "b161dadeecd89df21d2b3f3f8c8e765816f3e53b5d0c7acef43e2f65664bfcb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2098",
    "kind": "arxiv",
    "version": 3
  }
}