Pith Number

pith:YRUJNHTS

pith:2016:YRUJNHTSXQA5FA5GM4CQTDPLUP

not attested not anchored not stored refs pending

New multivariate tests for assessing covariate balance in matched observational studies

Dylan S. Small, Hao Chen

arxiv:1609.03686 v2 · 2016-09-13 · 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{YRUJNHTSXQA5FA5GM4CQTDPLUP}

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	2026-05-17T23:52:34.477746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c468969e72bc01d283a66705098deba3c926a76806e94b808b702572764205cd

Aliases

arxiv: 1609.03686 · arxiv_version: 1609.03686v2 · doi: 10.48550/arxiv.1609.03686 · pith_short_12: YRUJNHTSXQA5 · pith_short_16: YRUJNHTSXQA5FA5G · pith_short_8: YRUJNHTS

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/YRUJNHTSXQA5FA5GM4CQTDPLUP \
  | 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: c468969e72bc01d283a66705098deba3c926a76806e94b808b702572764205cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eda78a0131c97d339570778464f604abca24946dcda49e8ee7b50e78abcd427",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-09-13T05:40:28Z",
    "title_canon_sha256": "6429b841b0543933b1d1661097e8661d5b840bf1c90a51c09d5a2f7264fd3555"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03686",
    "kind": "arxiv",
    "version": 2
  }
}