Pith Number

pith:GP6CSRLU

pith:2022:GP6CSRLU3XB5S5BO3PGTTP4AJQ

not attested not anchored not stored refs pending

Two-stage differences in differences

John Gardner

arxiv:2207.05943 v1 · 2022-07-13 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GP6CSRLU3XB5S5BO3PGTTP4AJQ}

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

3 papers in Pith

Robust Inference for Weighted Estimands

Beyond Parallel Trends in Staggered Difference-in-Differences: Identification under Higher-Order Parallelism

Doubly robust local projections difference-in-differences

Receipt and verification

First computed	2026-07-05T04:39:53.149323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33fc294574ddc3d9742edbcd39bf804c17f28cb55f34834ad44bbf7ea7c6d5bf

Aliases

arxiv: 2207.05943 · arxiv_version: 2207.05943v1 · doi: 10.48550/arxiv.2207.05943 · pith_short_12: GP6CSRLU3XB5 · pith_short_16: GP6CSRLU3XB5S5BO · pith_short_8: GP6CSRLU

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/GP6CSRLU3XB5S5BO3PGTTP4AJQ \
  | 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: 33fc294574ddc3d9742edbcd39bf804c17f28cb55f34834ad44bbf7ea7c6d5bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cca1e6e8323a6c5f98901d0200729fc87615e1c61a064d74c1736c637b0fe188",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2022-07-13T03:44:58Z",
    "title_canon_sha256": "abd6de15d881c5e37e4395f2588cc1bf75eb47ec9c4f0062cc38053458ab3cc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.05943",
    "kind": "arxiv",
    "version": 1
  }
}