Pith Number

pith:RN5AUGWB

pith:2011:RN5AUGWBTGJNSU6AAMER2DEX6R

not attested not anchored not stored refs pending

Handling Covariates in the Design of Clinical Trials

Oleksandr Sverdlov, William F. Rosenberger

arxiv:1102.3773 v1 · 2011-02-18 · 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{RN5AUGWBTGJNSU6AAMER2DEX6R}

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	2026-05-18T04:28:20.990439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b7a0a1ac19992d953c003091d0c97f4647af60256bc28f45deeae0ea2f2d525

Aliases

arxiv: 1102.3773 · arxiv_version: 1102.3773v1 · doi: 10.48550/arxiv.1102.3773 · pith_short_12: RN5AUGWBTGJN · pith_short_16: RN5AUGWBTGJNSU6A · pith_short_8: RN5AUGWB

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/RN5AUGWBTGJNSU6AAMER2DEX6R \
  | 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: 8b7a0a1ac19992d953c003091d0c97f4647af60256bc28f45deeae0ea2f2d525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56e08d129e14fabf4e6c6aded768e6c4749c64cef177be420758d7da7d8ea19b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2011-02-18T07:58:49Z",
    "title_canon_sha256": "07b639cffc3cdc87d60ef4e11a4e4900d0574f36abe1bc0e0d3786aa16c61de9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3773",
    "kind": "arxiv",
    "version": 1
  }
}