Pith Number

pith:QYS32N5V

pith:2018:QYS32N5VB6LRUAYPQS5CCUR7GF

not attested not anchored not stored refs pending

Deep learning based automatic segmentation of lumbosacral nerves on non-contrast CT for radiographic evaluation: a pilot study

Chaobo Feng, Dongdong Wang, Guoxin Fan, Huaqing Liu, Jie Luo, Shisheng He, William M. Wells III, Xiaofei Guan, Yufeng Li, Zhenhua Wu

arxiv:1811.11843 v1 · 2018-11-28 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QYS32N5VB6LRUAYPQS5CCUR7GF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:59:37.452723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8625bd37b50f971a030f84ba21523f31476efae362e13c885243d5aa5a2ec075

Aliases

arxiv: 1811.11843 · arxiv_version: 1811.11843v1 · doi: 10.48550/arxiv.1811.11843 · pith_short_12: QYS32N5VB6LR · pith_short_16: QYS32N5VB6LRUAYP · pith_short_8: QYS32N5V

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/QYS32N5VB6LRUAYPQS5CCUR7GF \
  | 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: 8625bd37b50f971a030f84ba21523f31476efae362e13c885243d5aa5a2ec075

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b2e89af60e95d8d21995db60aebd20fb5547858ab71cb9fa5f3f80d6e625194",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-28T21:24:56Z",
    "title_canon_sha256": "df9f1b0b4b09f6788e16f6902fe7dd121c5b7dcb821cb517fd7e751a7db24106"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11843",
    "kind": "arxiv",
    "version": 1
  }
}