Pith Number

pith:NQKPBO6U

pith:2026:NQKPBO6U5Q4H46S3UMZUL6EXWP

not attested not anchored not stored refs pending

Which Regularized Propensity-Score and Doubly Robust Methods Are Best Calibrated When Exposures or Outcomes Are Rare? A Plasmode Study of Proxy-Based Confounding Adjustment

M. Ehsan Karim, Wanqing Hu

arxiv:2607.07065 v1 · 2026-07-08 · stat.AP · stat.CO · 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{NQKPBO6U5Q4H46S3UMZUL6EXWP}

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	2026-07-09T01:20:13.557429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c14f0bbd4ec387e7a5ba33345f897b3f70613c24466e503a783db99f5cc467c

Aliases

arxiv: 2607.07065 · arxiv_version: 2607.07065v1 · doi: 10.48550/arxiv.2607.07065 · pith_short_12: NQKPBO6U5Q4H · pith_short_16: NQKPBO6U5Q4H46S3 · pith_short_8: NQKPBO6U

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/NQKPBO6U5Q4H46S3UMZUL6EXWP \
  | 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: 6c14f0bbd4ec387e7a5ba33345f897b3f70613c24466e503a783db99f5cc467c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6131c8b4954d6239916cc96bc960e509b6339c208520989c4304665b0f8e7cd7",
    "cross_cats_sorted": [
      "stat.CO",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2026-07-08T06:48:07Z",
    "title_canon_sha256": "b5c694f5cee749f064351f0dbe4d9e62bbef8c9f1d54ee3d0a2f824e02478291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07065",
    "kind": "arxiv",
    "version": 1
  }
}