Pith Number

pith:37YQTZDA

pith:2020:37YQTZDA4RAMCPNMB452HD5CM3

not attested not anchored not stored refs pending

Severity Assessment of Coronavirus Disease 2019 (COVID-19) Using Quantitative Features from Chest CT Images

Dinggang Shen, Feng Shi, Jun Liu, Wei Zhao, Xingzhi Xie, Zheng Zhong, Zhenyu Tang

arxiv:2003.11988 v1 · 2020-03-26 · 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{37YQTZDA4RAMCPNMB452HD5CM3}

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	2026-07-05T00:50:50.374209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dff109e460e440c13dac0f3ba38fa266c74ca3b134333b9ce76eb5b3878e79ff

Aliases

arxiv: 2003.11988 · arxiv_version: 2003.11988v1 · doi: 10.48550/arxiv.2003.11988 · pith_short_12: 37YQTZDA4RAM · pith_short_16: 37YQTZDA4RAMCPNM · pith_short_8: 37YQTZDA

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/37YQTZDA4RAMCPNMB452HD5CM3 \
  | 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: dff109e460e440c13dac0f3ba38fa266c74ca3b134333b9ce76eb5b3878e79ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "209acd75e00256c205721317943e89f934a44c42c5a1ffb0424422a6471f740f",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-03-26T15:49:32Z",
    "title_canon_sha256": "d8422a013d3a6c8b2c818398161e64a591067e68b119968851cfbefb8214aa39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.11988",
    "kind": "arxiv",
    "version": 1
  }
}