Pith Number

pith:CO2TPKCA

pith:2023:CO2TPKCA5ZCIYF6B3OFOASZGB4

not attested not anchored not stored refs pending

Doubly Robust Uniform Confidence Bands for Group-Time Conditional Average Treatment Effects in Difference-in-Differences

Lei Qin, Shunsuke Imai, Takahide Yanagi

arxiv:2305.02185 v4 · 2023-05-03 · econ.EM · 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{CO2TPKCA5ZCIYF6B3OFOASZGB4}

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	2026-07-05T11:37:06.667569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13b537a840ee448c17c1db8ae04b260f2f8c76ef605ee0abc727b62a1e14e322

Aliases

arxiv: 2305.02185 · arxiv_version: 2305.02185v4 · doi: 10.48550/arxiv.2305.02185 · pith_short_12: CO2TPKCA5ZCI · pith_short_16: CO2TPKCA5ZCIYF6B · pith_short_8: CO2TPKCA

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/CO2TPKCA5ZCIYF6B3OFOASZGB4 \
  | 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: 13b537a840ee448c17c1db8ae04b260f2f8c76ef605ee0abc727b62a1e14e322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7607af214df13d75b70d5d423b012a67e725f43e12ffecaddfb22c2f9189a9a6",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2023-05-03T15:29:22Z",
    "title_canon_sha256": "8df8ce36971a264f94de2eec3ac18006bec3bc622a4fec4663058003d5e4a21e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.02185",
    "kind": "arxiv",
    "version": 4
  }
}