Pith Number

pith:WLLNIAUG

pith:2018:WLLNIAUGUMG67OSWS7MVZLLSUJ

not attested not anchored not stored refs pending

Confounding variables can degrade generalization performance of radiological deep learning models

Anthony B. Costa, Eric K. Oermann, John R. Zech, Joseph J. Titano, Manway Liu, Marcus A. Badgeley

arxiv:1807.00431 v2 · 2018-07-02 · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WLLNIAUGUMG67OSWS7MVZLLSUJ}

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	2026-05-17T23:52:15.961795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2d6d40286a30defba5697d95cad72a25473f844500e4943b18f9bdb29ed3f7e

Aliases

arxiv: 1807.00431 · arxiv_version: 1807.00431v2 · doi: 10.48550/arxiv.1807.00431 · pith_short_12: WLLNIAUGUMG6 · pith_short_16: WLLNIAUGUMG67OSW · pith_short_8: WLLNIAUG

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/WLLNIAUGUMG67OSWS7MVZLLSUJ \
  | 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: b2d6d40286a30defba5697d95cad72a25473f844500e4943b18f9bdb29ed3f7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb2ca7a00a143debde6f08f23fc32a770e84f1cdccb2d2ea0426156cfd822e8a",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-02T01:57:38Z",
    "title_canon_sha256": "009c90fa216b720460b0743dd32c5a50680ffd34a3e5e2a00b96ffb7a70a3e79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00431",
    "kind": "arxiv",
    "version": 2
  }
}