Pith Number

pith:U2ZHBOCW

pith:2024:U2ZHBOCWFB3MWVB3XOCB2BC3W7

not attested not anchored not stored refs pending

The expected value of sample information calculations for external validation of risk prediction models

Andrew J Vickers, Laure Wynants, Mohsen Sadatsafavi, Paul Gustafson, Tae Yoon Lee

arxiv:2401.01849 v3 · 2024-01-03 · 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{U2ZHBOCWFB3MWVB3XOCB2BC3W7}

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

Understanding algorithmic fairness for clinical prediction in terms of subgroup net benefit and health equity

Receipt and verification

First computed	2026-07-05T10:20:35.354277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6b270b8562876cb543bbb841d045bb7f5ddf0fc622667dad4ba4af98fca358c

Aliases

arxiv: 2401.01849 · arxiv_version: 2401.01849v3 · doi: 10.48550/arxiv.2401.01849 · pith_short_12: U2ZHBOCWFB3M · pith_short_16: U2ZHBOCWFB3MWVB3 · pith_short_8: U2ZHBOCW

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/U2ZHBOCWFB3MWVB3XOCB2BC3W7 \
  | 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: a6b270b8562876cb543bbb841d045bb7f5ddf0fc622667dad4ba4af98fca358c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "337b74a44ecec86a8401bcd52c3474589565e75f095f3cd40b06e614524baf06",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2024-01-03T17:41:36Z",
    "title_canon_sha256": "07245d7bce9f0868be65a2d9e77bd2492d762dba63b07d593ed6f2a2c19fdf7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.01849",
    "kind": "arxiv",
    "version": 3
  }
}