Pith Number

pith:YJMGT7TE

pith:2022:YJMGT7TEJK76GYCIXWC6YAT4VY

not attested not anchored not stored refs pending

Selection and parallel trends

Dalia Ghanem, Kaspar W\"uthrich, Pedro H. C. Sant'Anna

arxiv:2203.09001 v15 · 2022-03-17 · 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{YJMGT7TEJK76GYCIXWC6YAT4VY}

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

Moment Restrictions for Nonlinear Panel Data Models with Feedback

Receipt and verification

First computed	2026-07-28T00:21:29.533103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c25869fe644abfe36048bd85ec027cae3dd7cac4996480e6166afcf51b09d6a7

Aliases

arxiv: 2203.09001 · arxiv_version: 2203.09001v15 · doi: 10.48550/arxiv.2203.09001 · pith_short_12: YJMGT7TEJK76 · pith_short_16: YJMGT7TEJK76GYCI · pith_short_8: YJMGT7TE

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/YJMGT7TEJK76GYCIXWC6YAT4VY \
  | 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: c25869fe644abfe36048bd85ec027cae3dd7cac4996480e6166afcf51b09d6a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5695cd954d666c2e6f6b1ac9d45f109e077ba13c1b37ea903e4623e6c294989",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2022-03-17T00:44:30Z",
    "title_canon_sha256": "549351bb536cc78930c780035c82a6084a1d0cc43c87bab49839b17e281b060b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.09001",
    "kind": "arxiv",
    "version": 15
  }
}