Pith Number

pith:JWZOYM5U

pith:2021:JWZOYM5UZYY5Q4I62KFQ7CUOAV

not attested not anchored not stored refs pending

A novel multiple instance learning framework for COVID-19 severity assessment via data augmentation and self-supervised learning

Dinggang Shen, Feng Shi, Jun Liu, Lei Qi, Shangjie Wu, Wei Zhao, Xingzhi Xie, Yang Gao, Yinghuan Shi, Ying Wei, Zekun Li, Zhongxiang Ding

arxiv:2102.03837 v1 · 2021-02-07 · 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{JWZOYM5UZYY5Q4I62KFQ7CUOAV}

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	2026-07-05T02:13:27.647948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4db2ec33b4ce31d8711ed28b0f8a8e0573bc095cea8c20145ab3f5200e4be048

Aliases

arxiv: 2102.03837 · arxiv_version: 2102.03837v1 · doi: 10.48550/arxiv.2102.03837 · pith_short_12: JWZOYM5UZYY5 · pith_short_16: JWZOYM5UZYY5Q4I6 · pith_short_8: JWZOYM5U

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/JWZOYM5UZYY5Q4I62KFQ7CUOAV \
  | 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: 4db2ec33b4ce31d8711ed28b0f8a8e0573bc095cea8c20145ab3f5200e4be048

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bbfe02669f72e51312e404004e38027dccfa8f7a971cb2c3eb88ac5bc3617f1",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-02-07T16:30:18Z",
    "title_canon_sha256": "ac1610c4f1c816bfea8436dc8f174935b14ea82143b2ebb0392b4a771ae25250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.03837",
    "kind": "arxiv",
    "version": 1
  }
}