Pith Number

pith:ZFVH4JSO

pith:2018:ZFVH4JSO6WZC3N3PEMK64JTAXH

not attested not anchored not stored refs pending

Classification of lung nodules in CT images based on Wasserstein distance in differential geometry

Chengfeng Wen, Deruo Liu, Hai Chen, Jie He, Min Zhang, Qianli Ma, Xianfeng Gu, Xiaoyin Xu

arxiv:1807.00094 v1 · 2018-06-30 · q-bio.QM · 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{ZFVH4JSO6WZC3N3PEMK64JTAXH}

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	2026-05-18T00:11:56.109805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c96a7e264ef5b22db76f2315ee2660b9dda7d602f6c890fdfbe30b6d41e9ba8d

Aliases

arxiv: 1807.00094 · arxiv_version: 1807.00094v1 · doi: 10.48550/arxiv.1807.00094 · pith_short_12: ZFVH4JSO6WZC · pith_short_16: ZFVH4JSO6WZC3N3P · pith_short_8: ZFVH4JSO

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/ZFVH4JSO6WZC3N3PEMK64JTAXH \
  | 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: c96a7e264ef5b22db76f2315ee2660b9dda7d602f6c890fdfbe30b6d41e9ba8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50f1ff615a0510504a9a8e06c701a1701fd664ca65d56f9740cc0a6a564f56ef",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2018-06-30T00:30:53Z",
    "title_canon_sha256": "8df509a45ce109036a368e161af25a43b615339eb69b951bfab434bf1181ce39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00094",
    "kind": "arxiv",
    "version": 1
  }
}