Pith Number

pith:IIJLFCZP

pith:2018:IIJLFCZPMXFWK6F4PAENZKU7BQ

not attested not anchored not stored refs pending

Automatic kidney segmentation in ultrasound images using subsequent boundary distance regression and pixelwise classification networks

Gregory E. Tasian, Hongming Li, Qinmu Peng, Shi Yin, Susan L. Furth, Xinge You, Yong Fan, Zhengqiang Zhang

arxiv:1811.04815 v3 · 2018-11-12 · 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{IIJLFCZPMXFWK6F4PAENZKU7BQ}

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	2026-05-17T23:49:50.594492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4212b28b2f65cb6578bc7808dcaa9f0c37500735a09b9f9ea7db72c8aaf9f19e

Aliases

arxiv: 1811.04815 · arxiv_version: 1811.04815v3 · doi: 10.48550/arxiv.1811.04815 · pith_short_12: IIJLFCZPMXFW · pith_short_16: IIJLFCZPMXFWK6F4 · pith_short_8: IIJLFCZP

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/IIJLFCZPMXFWK6F4PAENZKU7BQ \
  | 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: 4212b28b2f65cb6578bc7808dcaa9f0c37500735a09b9f9ea7db72c8aaf9f19e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34dedfcfee2db21b107c98b791942a27196bf51da5ea97b997e2195c55b736d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-12T15:54:59Z",
    "title_canon_sha256": "09487a451c2275624300e8f3cdb062d880baf667213932c21b221e8291d00020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04815",
    "kind": "arxiv",
    "version": 3
  }
}