Pith Number

pith:Z6ZYA3ZJ

pith:2020:Z6ZYA3ZJCAC4AJ3ZQWEOYTFDWU

not attested not anchored not stored refs pending

Region Proposal Network with Graph Prior and IoU-Balance Loss for Landmark Detection in 3D Ultrasound

Chaoyu Chen, Dong Ni, Huanjia Luo, Mingrong Lin, Ruobing Huang, Shengfeng Liu, Wenlong Shi, Xin Yang, Yankai Huang, Yi Xiong, Yong Yang, Yuanji Zhang, Yuhao Huang

arxiv:2004.00207 v1 · 2020-04-01 · 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{Z6ZYA3ZJCAC4AJ3ZQWEOYTFDWU}

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	2026-07-05T00:51:57.649930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfb3806f291005c027798588ec4ca3b5017523a867966de0bd6a0f32c78fe3ad

Aliases

arxiv: 2004.00207 · arxiv_version: 2004.00207v1 · doi: 10.48550/arxiv.2004.00207 · pith_short_12: Z6ZYA3ZJCAC4 · pith_short_16: Z6ZYA3ZJCAC4AJ3Z · pith_short_8: Z6ZYA3ZJ

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/Z6ZYA3ZJCAC4AJ3ZQWEOYTFDWU \
  | 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: cfb3806f291005c027798588ec4ca3b5017523a867966de0bd6a0f32c78fe3ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "089ae3950cca110113904de99db1c3f98ba74bf8befb907c5af435391eaf2c32",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-01T03:00:03Z",
    "title_canon_sha256": "91c6cbd86b3a3550ea9d9a927659caf325b5a9a6d7719c2f5427afabdb3cbb1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00207",
    "kind": "arxiv",
    "version": 1
  }
}