Pith Number

pith:WRPU22IC

pith:2019:WRPU22ICUHDRVQIAPTK47LFLWM

not attested not anchored not stored refs pending

Estimating Skin Tone and Effects on Classification Performance in Dermatology Datasets

Celia Cintas, Kush R. Varshney, Newton M. Kinyanjui, Noel C. F. Codella, Prasanna Sattigeri, Rameswar Panda, Timothy Odonga

arxiv:1910.13268 v1 · 2019-10-29 · cs.CV · cs.CY · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRPU22ICUHDRVQIAPTK47LFLWM}

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	2026-07-05T00:15:43.080646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b45f4d6902a1c71ac1007cd5cfacabb32e71241f25799fac462a36dcc4f58543

Aliases

arxiv: 1910.13268 · arxiv_version: 1910.13268v1 · doi: 10.48550/arxiv.1910.13268 · pith_short_12: WRPU22ICUHDR · pith_short_16: WRPU22ICUHDRVQIA · pith_short_8: WRPU22IC

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/WRPU22ICUHDRVQIAPTK47LFLWM \
  | 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: b45f4d6902a1c71ac1007cd5cfacabb32e71241f25799fac462a36dcc4f58543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "647fd942f1cb77918b2fffa04608d6d4038bc1baccee922e9cfb4c52a1303714",
    "cross_cats_sorted": [
      "cs.CY",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-10-29T13:48:17Z",
    "title_canon_sha256": "a5f06b9afa350aa643bd6623bc67833ce0fd40dc155e599a363233fb823b54f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13268",
    "kind": "arxiv",
    "version": 1
  }
}