Pith Number

pith:4HT6I2YE

pith:2023:4HT6I2YE6OG4ZQUSG2467ZCB7B

not attested not anchored not stored refs pending

Covariate Adjustment in Experiments with Matched Pairs

Azeem M. Shaikh, Joseph P. Romano, Liang Jiang, Yichong Zhang, Yuehao Bai

arxiv:2302.04380 v3 · 2023-02-09 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HT6I2YE6OG4ZQUSG2467ZCB7B}

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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.

Cited by

1 paper in Pith

Randomization Tests in Randomized Saturation Designs

Receipt and verification

First computed	2026-07-05T07:02:27.208311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e7e46b04f38dccc29236b9efe441f85e6e314c32741650c10851224cb95a65

Aliases

arxiv: 2302.04380 · arxiv_version: 2302.04380v3 · doi: 10.48550/arxiv.2302.04380 · pith_short_12: 4HT6I2YE6OG4 · pith_short_16: 4HT6I2YE6OG4ZQUS · pith_short_8: 4HT6I2YE

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/4HT6I2YE6OG4ZQUSG2467ZCB7B \
  | 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: e1e7e46b04f38dccc29236b9efe441f85e6e314c32741650c10851224cb95a65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c1c7e043ff277c1f5b56234479764c25dc5b7a569dcf29c58f6e72490e9807e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2023-02-09T00:12:32Z",
    "title_canon_sha256": "d116c358836087c419c8b7b40e2ee33d9455cde756966b77ec174988752c3f2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.04380",
    "kind": "arxiv",
    "version": 3
  }
}