Pith Number

pith:WDPOYDFR

pith:2021:WDPOYDFRXR4LVQQPGACD6PKMSZ

not attested not anchored not stored refs pending

A Prospective Observational Study to Investigate Performance of a Chest X-ray Artificial Intelligence Diagnostic Support Tool Across 12 U.S. Hospitals

Christopher Tignanelli, Daniel Boley, Dyah Adila, Erich Kummerfeld, Eric Murray, Genevieve B. Melton, John L. Burns, Judy Wawira Gichoya, Ju Sun, Kun Huang, Le Peng, Nicholas Ingraham, Scott D. Steenburg, Sean Switzer, Tadashi Allen, Taihui Li, Zach Zaiman

arxiv:2106.02118 v2 · 2021-06-03 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDPOYDFRXR4LVQQPGACD6PKMSZ}

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	2026-07-05T02:46:46.709988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0deec0cb1bc78bac20f30043f3d4c9643c5f660e6c3cc9cd97acdd16efacb30

Aliases

arxiv: 2106.02118 · arxiv_version: 2106.02118v2 · doi: 10.48550/arxiv.2106.02118 · pith_short_12: WDPOYDFRXR4L · pith_short_16: WDPOYDFRXR4LVQQP · pith_short_8: WDPOYDFR

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/WDPOYDFRXR4LVQQPGACD6PKMSZ \
  | 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: b0deec0cb1bc78bac20f30043f3d4c9643c5f660e6c3cc9cd97acdd16efacb30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52091cf9ce4de80274e00e5ed75d66ded48538f3bd105ad9a82cca91e7953875",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-06-03T20:22:32Z",
    "title_canon_sha256": "d8056ed02dbd0b982e2bd55e150a77fa20bafccb12ab83092bd930430c31e4d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.02118",
    "kind": "arxiv",
    "version": 2
  }
}