Pith Number

pith:7P7I3OCE

pith:2020:7P7I3OCEZDNV5XXVFRGBJP7I2J

not attested not anchored not stored refs pending

On the Composition and Limitations of Publicly Available COVID-19 X-Ray Imaging Datasets

Andreas Dominik Husch, Beatriz Garcia Santa Cruz, Jan S\"olter, Matias Nicolas Bossa

arxiv:2008.11572 v1 · 2020-08-26 · 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{7P7I3OCEZDNV5XXVFRGBJP7I2J}

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	2026-07-05T01:30:46.342302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbfe8db844c8db5edef52c4c14bfe8d2722356a3badc0bee40e7b13c902a031c

Aliases

arxiv: 2008.11572 · arxiv_version: 2008.11572v1 · doi: 10.48550/arxiv.2008.11572 · pith_short_12: 7P7I3OCEZDNV · pith_short_16: 7P7I3OCEZDNV5XXV · pith_short_8: 7P7I3OCE

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/7P7I3OCEZDNV5XXVFRGBJP7I2J \
  | 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: fbfe8db844c8db5edef52c4c14bfe8d2722356a3badc0bee40e7b13c902a031c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36f8e01dc5254f11fad1283798acc04088fccb666d304abb26bb5fce4aa1a9a6",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-08-26T14:16:01Z",
    "title_canon_sha256": "f54fdd679d381ae28fabe8829da427f5c87029ab83b9490d60ec6cadd34c7d0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.11572",
    "kind": "arxiv",
    "version": 1
  }
}