Pith Number

pith:3BZJRWPD

pith:2026:3BZJRWPDNCCDS3EHVB252UXTZU

not attested not anchored not stored refs pending

Sparse Latent Class Analysis: Post-Estimation Refinement via Item-level Pseudo-Likelihood

Irini Moustaki, Lea Kaufmann, Maria Kateri, Yunxiao Chen, Yuxuan Xu

arxiv:2605.19034 v1 · 2026-05-18 · 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{3BZJRWPDNCCDS3EHVB252UXTZU}

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	2026-05-20T01:05:21.401107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d87298d9e36884396c87a875dd52f3cd2c380f0eb37fb67abdb3a66587fd608f

Aliases

arxiv: 2605.19034 · arxiv_version: 2605.19034v1 · doi: 10.48550/arxiv.2605.19034 · pith_short_12: 3BZJRWPDNCCD · pith_short_16: 3BZJRWPDNCCDS3EH · pith_short_8: 3BZJRWPD

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/3BZJRWPDNCCDS3EHVB252UXTZU \
  | 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: d87298d9e36884396c87a875dd52f3cd2c380f0eb37fb67abdb3a66587fd608f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "295cb3f9450b69b6b776585295fca79daa95aaeb9bd33261b30147bbd810e2c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-05-18T18:57:52Z",
    "title_canon_sha256": "895f85d2faa6925586c042862d7699d0a914cd92ecda671713f61d996da00e1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19034",
    "kind": "arxiv",
    "version": 1
  }
}