Pith Number

pith:E6YMAXQT

pith:2017:E6YMAXQT2ZYKFDTIETARB4IZGR

not attested not anchored not stored refs pending

Quantile Treatment Effects in Difference in Differences Models under Dependence Restrictions and with only Two Time Periods

Brantly Callaway, Tatsushi Oka, Tong Li

arxiv:1702.03618 v1 · 2017-02-13 · stat.ME · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6YMAXQT2ZYKFDTIETARB4IZGR}

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	2026-05-18T00:50:53.389101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27b0c05e13d670a28e6824c110f119345246a2e64eb0e5f021aaa120e9fe2466

Aliases

arxiv: 1702.03618 · arxiv_version: 1702.03618v1 · doi: 10.48550/arxiv.1702.03618 · pith_short_12: E6YMAXQT2ZYK · pith_short_16: E6YMAXQT2ZYKFDTI · pith_short_8: E6YMAXQT

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/E6YMAXQT2ZYKFDTIETARB4IZGR \
  | 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: 27b0c05e13d670a28e6824c110f119345246a2e64eb0e5f021aaa120e9fe2466

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "627b4b7238973e84a033ca3cdf563bce9b498aebfcadb9de5954f91073b7b2e7",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-02-13T03:30:57Z",
    "title_canon_sha256": "c7c74f406fb76b79afd796425445a387a2bfbefbc9570ee4e48f0f09c19ce704"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03618",
    "kind": "arxiv",
    "version": 1
  }
}