Pith Number

pith:OTB2RRO7

pith:2020:OTB2RRO7GISYREIQPRJBRDJ7O6

not attested not anchored not stored refs pending

Transfer learning with class-weighted and focal loss function for automatic skin cancer classification

Duyen N.T. Le, Hieu X. Le, Hoan T. Ngo, Lua T. Ngo

arxiv:2009.05977 v1 · 2020-09-13 · 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{OTB2RRO7GISYREIQPRJBRDJ7O6}

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.

Cited by

1 paper in Pith

Transfer Risk Map: Mitigating Pixel-level Negative Transfer in Medical Segmentation

Receipt and verification

First computed	2026-07-05T01:35:03.211794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74c3a8c5df32258891107c52188d3f77b675e3f6239c7ac5369402af873bf576

Aliases

arxiv: 2009.05977 · arxiv_version: 2009.05977v1 · doi: 10.48550/arxiv.2009.05977 · pith_short_12: OTB2RRO7GISY · pith_short_16: OTB2RRO7GISYREIQ · pith_short_8: OTB2RRO7

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/OTB2RRO7GISYREIQPRJBRDJ7O6 \
  | 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: 74c3a8c5df32258891107c52188d3f77b675e3f6239c7ac5369402af873bf576

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2454a0b8e649888f39b3d2b11af364d7ef1a0a2f58e620164391af06d0bda45c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2020-09-13T10:59:51Z",
    "title_canon_sha256": "d63b8b395a78d390f94741acbfcfb692f33f53084dce76bbbb43a5b2cc5bc214"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05977",
    "kind": "arxiv",
    "version": 1
  }
}