Pith Number

pith:THTLETAV

pith:2012:THTLETAV4ZKCJWV772MZ2DUCUR

not attested not anchored not stored refs pending

Rerandomization to improve covariate balance in experiments

Donald B. Rubin, Kari Lock Morgan

arxiv:1207.5625 v1 · 2012-07-24 · math.ST · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{THTLETAV4ZKCJWV772MZ2DUCUR}

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	2026-05-18T03:50:11.841129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99e6b24c15e65424dabffe999d0e82a44ffcee7cdccc559fc75312bb1001daa7

Aliases

arxiv: 1207.5625 · arxiv_version: 1207.5625v1 · doi: 10.48550/arxiv.1207.5625 · pith_short_12: THTLETAV4ZKC · pith_short_16: THTLETAV4ZKCJWV7 · pith_short_8: THTLETAV

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/THTLETAV4ZKCJWV772MZ2DUCUR \
  | 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: 99e6b24c15e65424dabffe999d0e82a44ffcee7cdccc559fc75312bb1001daa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f404183e682ff6e15aacccfb6ea40e82aa28c843ba8b55a861f037a7c95015cb",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-07-24T09:01:50Z",
    "title_canon_sha256": "60eef4ecb57e64dfa60b248ec19086fe4598c981186ffb1958e3e4c53ea882cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5625",
    "kind": "arxiv",
    "version": 1
  }
}