Pith Number

pith:HKSQA3E5

pith:2026:HKSQA3E5HZBF7E6DNDCHFZIYET

not attested not anchored not stored refs pending

Robust Estimation of Polychoric Correlation for Complex Survey Designs Using Minimum Divergence Methods

Anand N. Vidyashankar, David Kepplinger, Siqi Wei

arxiv:2606.26351 v1 · 2026-06-24 · 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{HKSQA3E5HZBF7E6DNDCHFZIYET}

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	2026-06-26T00:15:37.571308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aa5006c9d3e425f93c368c472e51824c9a1dda662b38166bd7978441e7ff3b9

Aliases

arxiv: 2606.26351 · arxiv_version: 2606.26351v1 · doi: 10.48550/arxiv.2606.26351 · pith_short_12: HKSQA3E5HZBF · pith_short_16: HKSQA3E5HZBF7E6D · pith_short_8: HKSQA3E5

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/HKSQA3E5HZBF7E6DNDCHFZIYET \
  | 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: 3aa5006c9d3e425f93c368c472e51824c9a1dda662b38166bd7978441e7ff3b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91240ec34608b7ce01a1c0c090119f7007146a29b169cf02469079dbaef3628c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-24T19:49:04Z",
    "title_canon_sha256": "5e00f960911f60549054c3d070f27f50de9bf6b4d73c043cd69aee2a477f3d1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26351",
    "kind": "arxiv",
    "version": 1
  }
}