Pith Number

pith:OOTL25EQ

pith:2019:OOTL25EQYEVIC6IRF57BAWRLJW

not attested not anchored not stored refs pending

ULDor: A Universal Lesion Detector for CT Scans with Pseudo Masks and Hard Negative Example Mining

Jiamin Liu, Jing Xiao, Ke Yan, Ronald M. Summers, Youbao Tang, Yuxing Tang

arxiv:1901.06359 v1 · 2019-01-18 · 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{OOTL25EQYEVIC6IRF57BAWRLJW}

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	2026-05-17T23:55:38.094454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73a6bd7490c12a8179112f7e105a2b4d81da1be6e9fd925b2f185b4434cb07ca

Aliases

arxiv: 1901.06359 · arxiv_version: 1901.06359v1 · doi: 10.48550/arxiv.1901.06359 · pith_short_12: OOTL25EQYEVI · pith_short_16: OOTL25EQYEVIC6IR · pith_short_8: OOTL25EQ

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/OOTL25EQYEVIC6IRF57BAWRLJW \
  | 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: 73a6bd7490c12a8179112f7e105a2b4d81da1be6e9fd925b2f185b4434cb07ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b21279bf8b15c24fa4639c9bd9a79780bd9e07277a687713131f2013b2a9aac9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-18T17:59:47Z",
    "title_canon_sha256": "4825b023a9c3b21e112830197ab06059ba1c0aec79d65e94b0ddc3a6b41ffc0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06359",
    "kind": "arxiv",
    "version": 1
  }
}