Pith Number

pith:2CGHYVMR

pith:2018:2CGHYVMRU7PAPQTW5TGFXHJSYM

not attested not anchored not stored refs pending

Segmentation of the prostate and organs at risk in male pelvic CT images using deep learning

Amir Owrangi, Anjali Balagopal, Dan Nguyen, Raquibul Hannan, Samaneh Kazemifar, Sarah McGuire, Steve Jiang

arxiv:1802.09587 v1 · 2018-02-26 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2CGHYVMRU7PAPQTW5TGFXHJSYM}

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	2026-05-18T00:22:30.686930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d08c7c5591a7de07c276eccc5b9d32c317290b2e74032e3983e301191f3fb4b5

Aliases

arxiv: 1802.09587 · arxiv_version: 1802.09587v1 · doi: 10.48550/arxiv.1802.09587 · pith_short_12: 2CGHYVMRU7PA · pith_short_16: 2CGHYVMRU7PAPQTW · pith_short_8: 2CGHYVMR

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/2CGHYVMRU7PAPQTW5TGFXHJSYM \
  | 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: d08c7c5591a7de07c276eccc5b9d32c317290b2e74032e3983e301191f3fb4b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d93f905dd57e588c9a7d69ab63dd232a4fcc3056e279194d5fd680e5ff15a03c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-02-26T20:19:14Z",
    "title_canon_sha256": "f03336009e5d13c6f18a052b12af618e37afc889684f7b662dc1ecbe363b0c48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09587",
    "kind": "arxiv",
    "version": 1
  }
}