Pith Number

pith:4W6V6DT7

pith:2020:4W6V6DT7FJZ7MACTWC72ZT2FM6

not attested not anchored not stored refs pending

Towards Data-Efficient Learning: A Benchmark for COVID-19 CT Lung and Infection Segmentation

Cheng Ge, Guoqiang Dong, Jianan Chen, Jian He, Jun Ma, Qiongjie Zhu, Xiaoping Yang, Xingle An, Yixin Wang, Yuntao Zhu, Zhiqiang He, Ziqi Yu, Ziwei Nie

arxiv:2004.12537 v2 · 2020-04-27 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4W6V6DT7FJZ7MACTWC72ZT2FM6}

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	2026-07-05T02:47:22.814207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5bd5f0e7f2a73f60053b0bfaccf45678c4fd961782df18bfd4ed6e66a474cb7

Aliases

arxiv: 2004.12537 · arxiv_version: 2004.12537v2 · doi: 10.48550/arxiv.2004.12537 · pith_short_12: 4W6V6DT7FJZ7 · pith_short_16: 4W6V6DT7FJZ7MACT · pith_short_8: 4W6V6DT7

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/4W6V6DT7FJZ7MACTWC72ZT2FM6 \
  | 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: e5bd5f0e7f2a73f60053b0bfaccf45678c4fd961782df18bfd4ed6e66a474cb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b63af8ad1875a6ad104ea0edc5873f4ae458716b3e45e441ce94b6cd3a03fd26",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-04-27T01:31:48Z",
    "title_canon_sha256": "1f54567806db5a54dc796b33c961a764632cc57836bec3f7514288b8964593ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.12537",
    "kind": "arxiv",
    "version": 2
  }
}