Pith Number

pith:N4N5Z7ZX

pith:2020:N4N5Z7ZX7PVEOX7N5URA5TK4PU

not attested not anchored not stored refs pending

Federated Semi-Supervised Learning for COVID Region Segmentation in Chest CT using Multi-National Data from China, Italy, Japan

Andriy Myronenko, Baris Turkbey, Bradford J. Wood, Daguang Xu, Dong Yang, Evrim Turkbey, Francesca Patella, Gianpaolo Carrafiello, Hirofumi Obinata, Hitoshi Mori, Holger R. Roth, Kaku Tamura, Maurizio Cariati, Peng An, Sheng Xu, Stephanie Harmon, Wenqi Li, Wentao Zhu, Xiaosong Wang, Ziyue Xu

arxiv:2011.11750 v1 · 2020-11-23 · eess.IV · 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{N4N5Z7ZX7PVEOX7N5URA5TK4PU}

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	2026-07-05T01:54:04.462979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f1bdcff37fbea475feded220ecd5c7d2ee14679111189549b2ace9116c4f82b

Aliases

arxiv: 2011.11750 · arxiv_version: 2011.11750v1 · doi: 10.48550/arxiv.2011.11750 · pith_short_12: N4N5Z7ZX7PVE · pith_short_16: N4N5Z7ZX7PVEOX7N · pith_short_8: N4N5Z7ZX

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/N4N5Z7ZX7PVEOX7N5URA5TK4PU \
  | 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: 6f1bdcff37fbea475feded220ecd5c7d2ee14679111189549b2ace9116c4f82b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4e995391e33ffca83fcd39dec286e1a4622c6ad5b25d9480b34f636d262d4f2",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-11-23T21:51:26Z",
    "title_canon_sha256": "591b134f7bd8d2356a745fd096a11722a9b731adcb621363246a3b027c82f118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.11750",
    "kind": "arxiv",
    "version": 1
  }
}