Pith Number

pith:NHY6U6UF

pith:2021:NHY6U6UF37LCVWWE6XIZILOXN5

not attested not anchored not stored refs pending

Low-cost and high-performance data augmentation for deep-learning-based skin lesion classification

Chi Zhang, Fan Zhang, Honghong Liu, Liang Xu, Mengjuan Xu, Pengfei Shao, Peng Liu, Peng Yao, Ronald X. Xu, Shuwei Shen, Zhihong Zhang

arxiv:2101.02353 v1 · 2021-01-07 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHY6U6UF37LCVWWE6XIZILOXN5}

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	2026-07-05T02:05:12.846926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69f1ea7a85dfd62adac4f5d1942dd76f595e9e37e90964cc1b678b4161e95833

Aliases

arxiv: 2101.02353 · arxiv_version: 2101.02353v1 · doi: 10.48550/arxiv.2101.02353 · pith_short_12: NHY6U6UF37LC · pith_short_16: NHY6U6UF37LCVWWE · pith_short_8: NHY6U6UF

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/NHY6U6UF37LCVWWE6XIZILOXN5 \
  | 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: 69f1ea7a85dfd62adac4f5d1942dd76f595e9e37e90964cc1b678b4161e95833

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4041971d5b98ce2809b94f5cd30dccb86772668986b12c93820c517e06c7c6f7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-01-07T03:43:15Z",
    "title_canon_sha256": "fe3da6b91793007920adc3e1ffbdc4728336210c31003112ed3aa2d068bf7a24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.02353",
    "kind": "arxiv",
    "version": 1
  }
}