Pith Number

pith:6NYJDHKR

pith:2020:6NYJDHKREP5YBIDVAIEVZCVNS2

not attested not anchored not stored refs pending

An automatic COVID-19 CT segmentation network using spatial and channel attention mechanism

St\'ephane Canu, Su Ruan, Tongxue Zhou

arxiv:2004.06673 v4 · 2020-04-14 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6NYJDHKREP5YBIDVAIEVZCVNS2}

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	2026-07-05T02:13:13.878906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f370919d5123fb80a07502095c8aad96a43cf12d6de0f9fe507ad4ee418aa886

Aliases

arxiv: 2004.06673 · arxiv_version: 2004.06673v4 · doi: 10.48550/arxiv.2004.06673 · pith_short_12: 6NYJDHKREP5Y · pith_short_16: 6NYJDHKREP5YBIDV · pith_short_8: 6NYJDHKR

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/6NYJDHKREP5YBIDVAIEVZCVNS2 \
  | 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: f370919d5123fb80a07502095c8aad96a43cf12d6de0f9fe507ad4ee418aa886

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b5fd338c906e844df4be5eecb2793b4ee8b3721cc0339513767c8bb50763509",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-04-14T17:21:11Z",
    "title_canon_sha256": "83974e5b490ff14deda7cfd9b51ec837eafb204d127e6b82b1ee83adb905b54e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06673",
    "kind": "arxiv",
    "version": 4
  }
}