Pith Number

pith:A2BTTVJC

pith:2019:A2BTTVJCY3KND2DDD6KJQYWSEV

not attested not anchored not stored refs pending

Skin Lesion Classification Using CNNs with Patch-Based Attention and Diagnosis-Guided Loss Weighting

Alexander Schlaefer, Frederic Madesta, Helge Kniep, Ivo Baltruschat, Nils Gessert, Ren\'e Werner, R\"udiger Schmitz, Thilo Sentker

arxiv:1905.02793 v2 · 2019-05-07 · 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{A2BTTVJCY3KND2DDD6KJQYWSEV}

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	2026-05-17T23:46:40.666025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

068339d522c6d4d1e8631f949862d22545e2666aa1ffd0696e9974818c772ea0

Aliases

arxiv: 1905.02793 · arxiv_version: 1905.02793v2 · doi: 10.48550/arxiv.1905.02793 · pith_short_12: A2BTTVJCY3KN · pith_short_16: A2BTTVJCY3KND2DD · pith_short_8: A2BTTVJC

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/A2BTTVJCY3KND2DDD6KJQYWSEV \
  | 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: 068339d522c6d4d1e8631f949862d22545e2666aa1ffd0696e9974818c772ea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eb6c09cd30d542385266ba38d3cce2dabe7228b1822066da0bfa3af832a8eb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-07T20:04:20Z",
    "title_canon_sha256": "81fdf69a2346406cfa702bc05289d3d1db745f7be3abf9e38692dd573cc13d70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02793",
    "kind": "arxiv",
    "version": 2
  }
}