Pith Number

pith:QYYUSJIM

pith:2022:QYYUSJIMOWSWG4MEITOE37RLKN

not attested not anchored not stored refs pending

Regression discontinuity design in perinatal epidemiology and birth cohort research

Daniela Zugna, Lorenzo Richiardi, Maja Popovic

arxiv:2208.11047 v1 · 2022-08-23 · stat.AP · 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{QYYUSJIMOWSWG4MEITOE37RLKN}

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	2026-07-05T08:37:12.174620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

863149250c75a563718444dc4dfe2b536b7e6abf720acc48b587ec0675f1fc10

Aliases

arxiv: 2208.11047 · arxiv_version: 2208.11047v1 · doi: 10.48550/arxiv.2208.11047 · pith_short_12: QYYUSJIMOWSW · pith_short_16: QYYUSJIMOWSWG4ME · pith_short_8: QYYUSJIM

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/QYYUSJIMOWSWG4MEITOE37RLKN \
  | 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: 863149250c75a563718444dc4dfe2b536b7e6abf720acc48b587ec0675f1fc10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bb0c466f95bcef1e895268e9a9918947ebfb8300de8238dd144290becc873d0",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2022-08-23T15:50:39Z",
    "title_canon_sha256": "1ba13550de71bff9189b0f6b6efb6853fc7b2ffe6e668016b7abaa0a88f569b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.11047",
    "kind": "arxiv",
    "version": 1
  }
}