Pith Number

pith:4LYC5D2A

pith:2025:4LYC5D2AWAZPAN465RL5FTGDA4

not attested not anchored not stored refs pending

Estimating treatment effects with a unified semi-parametric difference-in-differences approach

Andrew J. Spieker, Bryan E. Shepherd, Chun Li, Julia C. Thome, Peter F. Rebeiro, Tong Li

arxiv:2506.12207 v2 · 2025-06-13 · 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{4LYC5D2AWAZPAN465RL5FTGDA4}

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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

On a Debiased and Semiparametric Efficient Changes-in-Changes Estimator

Receipt and verification

First computed	2026-07-05T11:25:12.601700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2f02e8f40b032f0379eec57d2ccc3072f14fbd58a94513b3d03a208a2d1d3ba

Aliases

arxiv: 2506.12207 · arxiv_version: 2506.12207v2 · doi: 10.48550/arxiv.2506.12207 · pith_short_12: 4LYC5D2AWAZP · pith_short_16: 4LYC5D2AWAZPAN46 · pith_short_8: 4LYC5D2A

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/4LYC5D2AWAZPAN465RL5FTGDA4 \
  | 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: e2f02e8f40b032f0379eec57d2ccc3072f14fbd58a94513b3d03a208a2d1d3ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efa4b102ef7a1261d5c85bb7ae757c08e6dd0f184ae7c7c7da4b7cce291f7781",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-06-13T20:24:55Z",
    "title_canon_sha256": "339d23613d7a6990890768e873addd7516ee7f06f90dc4bf46b8916955460d1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.12207",
    "kind": "arxiv",
    "version": 2
  }
}