Pith Number

pith:5ONBPD2X

pith:2020:5ONBPD2XDPH3CM6YGPTRC3HMCG

not attested not anchored not stored refs pending

Automated diagnosis of COVID-19 with limited posteroanterior chest X-ray images using fine-tuned deep neural networks

Narinder Singh Punn, Sonali Agarwal

arxiv:2004.11676 v5 · 2020-04-23 · 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{5ONBPD2XDPH3CM6YGPTRC3HMCG}

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	2026-07-05T01:43:40.096947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb9a178f571bcfb133d833e7116cec1185d0d5c67b21676788d62c66923b6fd1

Aliases

arxiv: 2004.11676 · arxiv_version: 2004.11676v5 · doi: 10.48550/arxiv.2004.11676 · pith_short_12: 5ONBPD2XDPH3 · pith_short_16: 5ONBPD2XDPH3CM6Y · pith_short_8: 5ONBPD2X

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/5ONBPD2XDPH3CM6YGPTRC3HMCG \
  | 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: eb9a178f571bcfb133d833e7116cec1185d0d5c67b21676788d62c66923b6fd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8054a4367f4267fd8ccd77160969aabdf26a18bda7d26067c7700f275e2316f3",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-04-23T10:24:34Z",
    "title_canon_sha256": "f93ca9bb654ec0b17bd0221f26e38d93454be48c1479c090b8df009cdda8ed24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11676",
    "kind": "arxiv",
    "version": 5
  }
}