Pith Number

pith:EX7QK5J6

pith:2021:EX7QK5J62XTZQDPGS4NND7P3RI

not attested not anchored not stored refs pending

Covariate Adjustment in Regression Discontinuity Designs

Luke Keele, Matias D. Cattaneo, Rocio Titiunik

arxiv:2110.08410 v2 · 2021-10-15 · stat.ME · 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{EX7QK5J62XTZQDPGS4NND7P3RI}

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	2026-07-05T04:51:05.232304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25ff05753ed5e7980de6971ad1fdfb8a2bb0851efdd43f6d48ae97e3f565999e

Aliases

arxiv: 2110.08410 · arxiv_version: 2110.08410v2 · doi: 10.48550/arxiv.2110.08410 · pith_short_12: EX7QK5J62XTZ · pith_short_16: EX7QK5J62XTZQDPG · pith_short_8: EX7QK5J6

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/EX7QK5J62XTZQDPGS4NND7P3RI \
  | 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: 25ff05753ed5e7980de6971ad1fdfb8a2bb0851efdd43f6d48ae97e3f565999e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56b1b58f7d7b387466cef30f01808b94c4ddbd7f37b0bc7357fbb58dfecbd0de",
    "cross_cats_sorted": [
      "econ.EM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-10-15T23:41:19Z",
    "title_canon_sha256": "379527f7fd9d863b5dc18d0349c9cdbdcb429ba7858d7cada7ac1d5940cc8137"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.08410",
    "kind": "arxiv",
    "version": 2
  }
}