Pith Number

pith:MXOE23BI

pith:2016:MXOE23BISK2FGOA6EPMOSJWVDZ

not attested not anchored not stored refs pending

A scalable and efficient covariate selection criterion for mixed effects regression models with unknown random effects structure

Radu V. Craiu, Thierry Duchesne

arxiv:1612.00759 v2 · 2016-12-02 · 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{MXOE23BISK2FGOA6EPMOSJWVDZ}

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	2026-05-18T00:21:29.045970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65dc4d6c2892b453381e23d8e926d51e4320536475bdc6ce8423a29548f8036f

Aliases

arxiv: 1612.00759 · arxiv_version: 1612.00759v2 · doi: 10.48550/arxiv.1612.00759 · pith_short_12: MXOE23BISK2F · pith_short_16: MXOE23BISK2FGOA6 · pith_short_8: MXOE23BI

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/MXOE23BISK2FGOA6EPMOSJWVDZ \
  | 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: 65dc4d6c2892b453381e23d8e926d51e4320536475bdc6ce8423a29548f8036f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17964afac0d13c65079c6c5f34cfa3f42413f66b6d3e8544d1f2032d49c1459d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-12-02T17:20:25Z",
    "title_canon_sha256": "4b0a7c594e426acee5ce82b9dfc2824310e07ad8280cf10b4a661f41eaab7077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00759",
    "kind": "arxiv",
    "version": 2
  }
}