Pith Number

pith:OK77DFOP

pith:2010:OK77DFOPWAIWH7NJNWE3INTUA2

not attested not anchored not stored refs pending

An Improved Objective Evaluation Measure for Border Detection in Dermoscopy Images

Gerald Schaefer, Hitoshi Iyatomi, James M. Grichnik, Joseph M. Malters, M. Emre Celebi, William V. Stoecker

arxiv:1009.1020 v1 · 2010-09-06 · 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{OK77DFOPWAIWH7NJNWE3INTUA2}

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	2026-05-18T04:41:24.180296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72bff195cfb01163fda96d89b436740693932c92b49325d0eeb7796ab0ac19f4

Aliases

arxiv: 1009.1020 · arxiv_version: 1009.1020v1 · doi: 10.48550/arxiv.1009.1020 · pith_short_12: OK77DFOPWAIW · pith_short_16: OK77DFOPWAIWH7NJ · pith_short_8: OK77DFOP

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/OK77DFOPWAIWH7NJNWE3INTUA2 \
  | 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: 72bff195cfb01163fda96d89b436740693932c92b49325d0eeb7796ab0ac19f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd2c7c6352dfd39aa1bfd3f06ca540bc17f80c4120b7dfc2c811983b2f4670c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2010-09-06T10:53:21Z",
    "title_canon_sha256": "0e8a05e2ff4435f27789750be7578e2ea19a56d52298c2af2549e8376329e966"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1020",
    "kind": "arxiv",
    "version": 1
  }
}