Pith Number

pith:S7IPR4OF

pith:2025:S7IPR4OFIIMF6C776FNXSYLJWZ

not attested not anchored not stored refs pending

A Meta-learner for Heterogeneous Effects in Difference-in-Differences

Eleanor Dillon, Haoge Chang, Hui Lan, Vasilis Syrgkanis

arxiv:2502.04699 v2 · 2025-02-07 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S7IPR4OFIIMF6C776FNXSYLJWZ}

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

Doubly Robust Instrumented Difference-in-Differences

Receipt and verification

First computed	2026-07-05T10:54:42.914944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97d0f8f1c542185f0bfff15b796169b65ad18b3bc62a8502224647cf1453df32

Aliases

arxiv: 2502.04699 · arxiv_version: 2502.04699v2 · doi: 10.48550/arxiv.2502.04699 · pith_short_12: S7IPR4OFIIMF · pith_short_16: S7IPR4OFIIMF6C77 · pith_short_8: S7IPR4OF

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/S7IPR4OFIIMF6C776FNXSYLJWZ \
  | 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: 97d0f8f1c542185f0bfff15b796169b65ad18b3bc62a8502224647cf1453df32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2e2c1cc369ea48c3e954d831ee4ff8cb59246d78cd0c88b4f60555046970e7e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-02-07T07:04:37Z",
    "title_canon_sha256": "dfd0ea3c350984f605011360ddde1cced60fd2c2f80201e181d488bc6dbdd4a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04699",
    "kind": "arxiv",
    "version": 2
  }
}