Pith Number

pith:VWGDIZPH

pith:2025:VWGDIZPHOD6QUOIDY2DEFEE255

not attested not anchored not stored refs pending

Sensitivity Analysis for Clustered Observational Studies with an Application to the Effectiveness of Magnet Nursing Hospitals

Eli Ben-Michael, Luke Keele, Matthew McHugh, Melody Huang

arxiv:2504.21617 v1 · 2025-04-30 · stat.ME · 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{VWGDIZPHOD6QUOIDY2DEFEE255}

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	2026-07-05T10:56:26.905587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad8c3465e770fd0a3903c68642909aef7f38e10807221594ddd38ae40e6f0fb4

Aliases

arxiv: 2504.21617 · arxiv_version: 2504.21617v1 · doi: 10.48550/arxiv.2504.21617 · pith_short_12: VWGDIZPHOD6Q · pith_short_16: VWGDIZPHOD6QUOID · pith_short_8: VWGDIZPH

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/VWGDIZPHOD6QUOIDY2DEFEE255 \
  | 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: ad8c3465e770fd0a3903c68642909aef7f38e10807221594ddd38ae40e6f0fb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18e9fdcea5a58571b4482482f801cb109d172334cbae5c7346745471ddc56be0",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-04-30T13:13:37Z",
    "title_canon_sha256": "9bfe8645fe0ab981bbf53d4f23764f126ea77bf689606c7d63f05026e0bd7f0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21617",
    "kind": "arxiv",
    "version": 1
  }
}