Pith Number

pith:M4WIHY4Z

pith:2021:M4WIHY4ZJ3A24NXBHSGSINOLRB

not attested not anchored not stored refs pending

Lesion2Vec: Deep Metric Learning for Few-Shot Multiple Lesions Recognition in Wireless Capsule Endoscopy Video

Andrew Copland, Donald Brown, James Jablonski, Michael Porter, Michelle Yeghyayan, Philip Fernandez, Sana Syed, Sodiq Adewole

arxiv:2101.04240 v2 · 2021-01-11 · 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{M4WIHY4ZJ3A24NXBHSGSINOLRB}

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	2026-07-05T02:07:16.559467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

672c83e3994ec1ae36e13c8d2435cb887d1997350294c2e4554ea7cb9e7e0c82

Aliases

arxiv: 2101.04240 · arxiv_version: 2101.04240v2 · doi: 10.48550/arxiv.2101.04240 · pith_short_12: M4WIHY4ZJ3A2 · pith_short_16: M4WIHY4ZJ3A24NXB · pith_short_8: M4WIHY4Z

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/M4WIHY4ZJ3A24NXBHSGSINOLRB \
  | 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: 672c83e3994ec1ae36e13c8d2435cb887d1997350294c2e4554ea7cb9e7e0c82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e56d49f57fb6043a91c0875b27e9ea7d7c97e26e6c17e9ee47495c3b1938b0e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-01-11T23:58:56Z",
    "title_canon_sha256": "fd1804b07753a94887a677bdaac6d3d576ca98f071676597e3cd2fd6ad70a3cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.04240",
    "kind": "arxiv",
    "version": 2
  }
}