Pith Number

pith:XCLZZWZ7

pith:2024:XCLZZWZ7UXIEUAKDBAITH23V3M

not attested not anchored not stored refs pending

A Connection Between Covariate Adjustment and Stratified Randomization in Randomized Clinical Trials

Zhiwei Zhang

arxiv:2401.11352 v3 · 2024-01-21 · 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{XCLZZWZ7UXIEUAKDBAITH23V3M}

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	2026-07-05T10:08:13.742879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8979cdb3fa5d04a0143081133eb75db05fab172353fa63b38a781c63b691894

Aliases

arxiv: 2401.11352 · arxiv_version: 2401.11352v3 · doi: 10.48550/arxiv.2401.11352 · pith_short_12: XCLZZWZ7UXIE · pith_short_16: XCLZZWZ7UXIEUAKD · pith_short_8: XCLZZWZ7

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/XCLZZWZ7UXIEUAKDBAITH23V3M \
  | 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: b8979cdb3fa5d04a0143081133eb75db05fab172353fa63b38a781c63b691894

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb88dc8571c4dd8c90570e1ebf6078764b3d187d5ade16271550ec177cdf927d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2024-01-21T00:21:25Z",
    "title_canon_sha256": "41ce9acbe8133f2f947f1e00a92d19d0396739e64de2bdd464a23c55fe8c0f4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.11352",
    "kind": "arxiv",
    "version": 3
  }
}