Pith Number

pith:QUYCB2N5

pith:2022:QUYCB2N5ERMMBIAT65XVBF3X6Z

not attested not anchored not stored refs pending

Improving sandwich variance estimation for marginal Cox analysis of cluster randomized trials

Elizabeth L. Turner, Fan Li, Xueqi Wang

arxiv:2203.02560 v2 · 2022-03-04 · 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{QUYCB2N5ERMMBIAT65XVBF3X6Z}

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	2026-07-05T04:54:18.788531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

853020e9bd2458c0a013f76f509777f651defdedfc68968887027bb910afd2cb

Aliases

arxiv: 2203.02560 · arxiv_version: 2203.02560v2 · doi: 10.48550/arxiv.2203.02560 · pith_short_12: QUYCB2N5ERMM · pith_short_16: QUYCB2N5ERMMBIAT · pith_short_8: QUYCB2N5

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/QUYCB2N5ERMMBIAT65XVBF3X6Z \
  | 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: 853020e9bd2458c0a013f76f509777f651defdedfc68968887027bb910afd2cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddf1c0c1be815eba1de3df1d4555bb40c906a2737960e18906e666ce5235d415",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2022-03-04T20:32:12Z",
    "title_canon_sha256": "58ba2d6aaeb6efe75386ed8fcf864d8a1e851792f2a2723cb2ba27daac7c3f77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.02560",
    "kind": "arxiv",
    "version": 2
  }
}