Pith Number

pith:UFCDYXJ4

pith:2019:UFCDYXJ452DVMCTCCGSKJRMVUK

not attested not anchored not stored refs pending

A unifying approach for doubly-robust $\ell_1$ regularized estimation of causal contrasts

Andrea Rotnitzky, Ezequiel Smucler, James M. Robins

arxiv:1904.03737 v3 · 2019-04-07 · math.ST · stat.ME · stat.ML · 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{UFCDYXJ452DVMCTCCGSKJRMVUK}

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	2026-05-17T23:44:02.273387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1443c5d3cee87560a6211a4a4c595a2a43face06d41925df8f795bb8c5ed9e4

Aliases

arxiv: 1904.03737 · arxiv_version: 1904.03737v3 · doi: 10.48550/arxiv.1904.03737 · pith_short_12: UFCDYXJ452DV · pith_short_16: UFCDYXJ452DVMCTC · pith_short_8: UFCDYXJ4

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/UFCDYXJ452DVMCTCCGSKJRMVUK \
  | 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: a1443c5d3cee87560a6211a4a4c595a2a43face06d41925df8f795bb8c5ed9e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee4dd174375d763c1d58e2c909191ada54980ac1fcbf945bbcf7aec4fe6700af",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-04-07T20:34:26Z",
    "title_canon_sha256": "de5ef668c85af5d1c010356ca8f178c990d21be8ad7f90e00319964e0d185f5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03737",
    "kind": "arxiv",
    "version": 3
  }
}