Pith Number

pith:4LDOYZLS

pith:2018:4LDOYZLSDJNNC3PBZ7AXDRHBM3

not attested not anchored not stored refs pending

A Detection and Segmentation Architecture for Skin Lesion Segmentation on Dermoscopy Images

Biao Sun, Chengyao Qian, Hao Jiang, Mingxin Guan, Pengfei Wang, Ting Liu, Zhe Wang

arxiv:1809.03917 v2 · 2018-09-11 · 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{4LDOYZLSDJNNC3PBZ7AXDRHBM3}

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	2026-05-18T00:04:29.240191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2c6ec65721a5ad16de1cfc171c4e166ca8a62ceb7527f74d9dea4bb5f3cd5c6

Aliases

arxiv: 1809.03917 · arxiv_version: 1809.03917v2 · doi: 10.48550/arxiv.1809.03917 · pith_short_12: 4LDOYZLSDJNN · pith_short_16: 4LDOYZLSDJNNC3PB · pith_short_8: 4LDOYZLS

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/4LDOYZLSDJNNC3PBZ7AXDRHBM3 \
  | 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: e2c6ec65721a5ad16de1cfc171c4e166ca8a62ceb7527f74d9dea4bb5f3cd5c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f694e8d4859d95f9b89f879132c6c00797ade61624721dcf5879a4b8064aebf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-11T14:20:15Z",
    "title_canon_sha256": "9f88bb98514392fdd8d22a6558afb7fb6895e7ad208f7bb5e9991ace37bbbe62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03917",
    "kind": "arxiv",
    "version": 2
  }
}