Pith Number

pith:RK4E5VUI

pith:2022:RK4E5VUIXXMTJPSQJ7GA343PXL

not attested not anchored not stored refs pending

Structural Nested Mean Models Under Parallel Trends Assumptions

David Richardson, Eric Tchetgen Tchetgen, James Robins, Meghana Shamsunder, Oliver Dukes, Zach Shahn

arxiv:2204.10291 v9 · 2022-04-21 · stat.ME · 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{RK4E5VUIXXMTJPSQJ7GA343PXL}

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.

Cited by

1 paper in Pith

A formal approach to variable selection in difference-in-differences

Receipt and verification

First computed	2026-07-03T01:17:52.809573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ab84ed688bdd934be504fcc0df36fbae823f1591a3485f96885d6c71e05cfa5

Aliases

arxiv: 2204.10291 · arxiv_version: 2204.10291v9 · doi: 10.48550/arxiv.2204.10291 · pith_short_12: RK4E5VUIXXMT · pith_short_16: RK4E5VUIXXMTJPSQ · pith_short_8: RK4E5VUI

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/RK4E5VUIXXMTJPSQJ7GA343PXL \
  | 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: 8ab84ed688bdd934be504fcc0df36fbae823f1591a3485f96885d6c71e05cfa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "849258508abd5f768cdb6aa1d5701c79c28fdf63dfd186a544502f3f0c05f6b6",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2022-04-21T17:29:24Z",
    "title_canon_sha256": "a162a2b49297aad2c688768337e9e575e6a52d2fb72d54205847f4facc4048d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.10291",
    "kind": "arxiv",
    "version": 9
  }
}