Pith Number

pith:EG4A7F3U

pith:2019:EG4A7F3U2TASWRMOBK6SAFMLX4

not attested not anchored not stored refs pending

Biased Encouragements and Heterogeneous Effects in an Instrumental Variable Study of Emergency General Surgical Outcomes

Colin B. Fogarty, Kwonsang Lee, Luke J. Keele, Rachel R. Kelz

arxiv:1909.09533 v2 · 2019-09-20 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EG4A7F3U2TASWRMOBK6SAFMLX4}

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.

Cited by

1 paper in Pith

Stochastic Sensitivity Analysis for Matched Observational Studies

Receipt and verification

First computed	2026-07-05T01:58:29.053987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21b80f9774d4c12b458e0abd20158bbf209fb020e0146ac20e1d87859cbd2464

Aliases

arxiv: 1909.09533 · arxiv_version: 1909.09533v2 · doi: 10.48550/arxiv.1909.09533 · pith_short_12: EG4A7F3U2TAS · pith_short_16: EG4A7F3U2TASWRMO · pith_short_8: EG4A7F3U

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/EG4A7F3U2TASWRMOBK6SAFMLX4 \
  | 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: 21b80f9774d4c12b458e0abd20158bbf209fb020e0146ac20e1d87859cbd2464

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22d339a988d3fbd82ad27c4002a9fc898cccb226443ad1730c5508e2dfbdafd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-09-20T14:38:10Z",
    "title_canon_sha256": "a6b03c4d4d1c1a81694f67d60767c03ca60379d9c203706f85df1c7499c0b98c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09533",
    "kind": "arxiv",
    "version": 2
  }
}