Pith Number

pith:QHVDQ7RD

pith:2018:QHVDQ7RDLO55RRSJPOKEA2ISPS

not attested not anchored not stored refs pending

Liver segmentation in CT images using three dimensional to two dimensional fully convolutional network

Ebrahim Nasr-Esfahani, Kayvan Najarian, Nader Karimi, Shadrokh Samavi, Shima Rafiei, S.M.Reza Soroushmehr

arxiv:1802.07800 v2 · 2018-02-21 · 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{QHVDQ7RDLO55RRSJPOKEA2ISPS}

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	2026-05-18T00:22:02.147918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ea387e235bbbd8c6497b944069127c9bf36cb93adfd2dd308ab6b01f107571

Aliases

arxiv: 1802.07800 · arxiv_version: 1802.07800v2 · doi: 10.48550/arxiv.1802.07800 · pith_short_12: QHVDQ7RDLO55 · pith_short_16: QHVDQ7RDLO55RRSJ · pith_short_8: QHVDQ7RD

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/QHVDQ7RDLO55RRSJPOKEA2ISPS \
  | 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: 81ea387e235bbbd8c6497b944069127c9bf36cb93adfd2dd308ab6b01f107571

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64c65add6ca3073c3d77b3060292796ca3b7e5637b9fd89c3534eb7f411f5dc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-02-21T20:50:48Z",
    "title_canon_sha256": "ace2f72e0bb8b481ec10727ecf8b7b84dc270e53cdcb1b77e6538e3ebe973271"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07800",
    "kind": "arxiv",
    "version": 2
  }
}