Pith Number

pith:KKL4DMKH

pith:2018:KKL4DMKH5VJBSXYO4EFLIGJIGZ

not attested not anchored not stored refs pending

Comparing Clinical Judgment with MySurgeryRisk Algorithm for Preoperative Risk Assessment: A Pilot Study

Azra Bihorac, Daisy Zhe Wang, Meghan Brennan, Petar Momcilovic, Rajendra Bhat, Sahil Puri, Tezcan Ozrazgat-Baslanti, Xiaolin Li, Zheng Feng

arxiv:1804.03258 v1 · 2018-04-09 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKL4DMKH5VJBSXYO4EFLIGJIGZ}

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	2026-07-05T01:22:13.149557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5297c1b147ed52195f0ee10ab41928365a6ca203651670b4bcf6099c7c6eb328

Aliases

arxiv: 1804.03258 · arxiv_version: 1804.03258v1 · doi: 10.48550/arxiv.1804.03258 · pith_short_12: KKL4DMKH5VJB · pith_short_16: KKL4DMKH5VJBSXYO · pith_short_8: KKL4DMKH

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/KKL4DMKH5VJBSXYO4EFLIGJIGZ \
  | 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: 5297c1b147ed52195f0ee10ab41928365a6ca203651670b4bcf6099c7c6eb328

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c748438445252bf88281f9b3699941e864a75a32429e16b81467da219cf4352b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-04-09T22:13:34Z",
    "title_canon_sha256": "8bc069fc472ebaa2b5510ed9d9a14df070658febe3f720015bd5d5f359a58311"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03258",
    "kind": "arxiv",
    "version": 1
  }
}