Pith Number

pith:YZZRL5L5

pith:2018:YZZRL5L5IRNLPH4PWR2YX2DWT5

not attested not anchored not stored refs pending

Feature learning based on visual similarity triplets in medical image analysis: A case study of emphysema in chest CT scans

Jens Petersen, Laura H. Thomsen, Marleen de Bruijne, Mathilde M W Wille, Silas Nyboe {\O}rting, Veronika Cheplygina

arxiv:1806.07131 v1 · 2018-06-19 · 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{YZZRL5L5IRNLPH4PWR2YX2DWT5}

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	2026-05-18T00:12:51.760769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c67315f57d445ab79f8fb4758be8769f743cefb8eeb552807db7d126eab55a6c

Aliases

arxiv: 1806.07131 · arxiv_version: 1806.07131v1 · doi: 10.48550/arxiv.1806.07131 · pith_short_12: YZZRL5L5IRNL · pith_short_16: YZZRL5L5IRNLPH4P · pith_short_8: YZZRL5L5

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/YZZRL5L5IRNLPH4PWR2YX2DWT5 \
  | 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: c67315f57d445ab79f8fb4758be8769f743cefb8eeb552807db7d126eab55a6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6b1e57020cb4ff599fbe9ca6fa3ec8c2bc0391414e05e67e5954291b620ed7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-06-19T09:43:55Z",
    "title_canon_sha256": "169c248ffce844c55ef44a4a3078ba560aef55c6f7771dc4596a069a2e075911"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07131",
    "kind": "arxiv",
    "version": 1
  }
}