Pith Number

pith:PA6LDBVV

pith:2019:PA6LDBVV5KOP73ZTKLUVKPJ2LD

not attested not anchored not stored refs pending

Clustering and External Validity in Randomized Controlled Trials

Antoine Deeb, Cl\'ement de Chaisemartin

arxiv:1912.01052 v7 · 2019-12-02 · 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{PA6LDBVV5KOP73ZTKLUVKPJ2LD}

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	2026-07-05T05:25:11.304155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

783cb186b5ea9cffef3352e9553d3a58f0d0b79df4f58bb69453f33f5d9e0004

Aliases

arxiv: 1912.01052 · arxiv_version: 1912.01052v7 · doi: 10.48550/arxiv.1912.01052 · pith_short_12: PA6LDBVV5KOP · pith_short_16: PA6LDBVV5KOP73ZT · pith_short_8: PA6LDBVV

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/PA6LDBVV5KOP73ZTKLUVKPJ2LD \
  | 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: 783cb186b5ea9cffef3352e9553d3a58f0d0b79df4f58bb69453f33f5d9e0004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0437e616834dfb1e6140b29669fb98582f550a31b25d4bfb67a22c81de316a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2019-12-02T19:30:25Z",
    "title_canon_sha256": "72da196917ea32a59f74fd74073a92746932cd534a92869a9ddb81f3bfe5a4de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.01052",
    "kind": "arxiv",
    "version": 7
  }
}