Pith Number

pith:KBEFN4CX

pith:2019:KBEFN4CXBFTEABWP3N6LMUIRIE

not attested not anchored not stored refs pending

Whole-Slide Image Focus Quality: Automatic Assessment and Impact on AI Cancer Detection

Craig H. Mermel, Jason D. Hipp, Martin C. Stumpe, Melissa Moran, Po-Hsuan (Cameron) Chen, Timo Kohlberger, Trissia Brown, Yun Liu

arxiv:1901.04619 v2 · 2019-01-15 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KBEFN4CXBFTEABWP3N6LMUIRIE}

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	2026-07-05T01:07:24.559877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

504856f05709664006cfdb7cb651114105b8e891b733dd6ea90e36f759000695

Aliases

arxiv: 1901.04619 · arxiv_version: 1901.04619v2 · doi: 10.48550/arxiv.1901.04619 · pith_short_12: KBEFN4CXBFTE · pith_short_16: KBEFN4CXBFTEABWP · pith_short_8: KBEFN4CX

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/KBEFN4CXBFTEABWP3N6LMUIRIE \
  | 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: 504856f05709664006cfdb7cb651114105b8e891b733dd6ea90e36f759000695

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4331a5a75670f5264b51fa19773918cf6ccd62a72959bb412b1b414ed0c2d26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-15T00:31:35Z",
    "title_canon_sha256": "38ca4932ef45bfc6f9ae61c379f8d78ea13367a1caf6e499c23c9c5fb6aebda2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04619",
    "kind": "arxiv",
    "version": 2
  }
}