Pith Number

pith:QPQPXTS2

pith:2020:QPQPXTS2VMXF76443N2HJ7HAE7

not attested not anchored not stored refs pending

Automated Quantification of CT Patterns Associated with COVID-19 from Chest CT

Abishek Balachandran, Alexander W. Sauter, Bogdan Georgescu, Dorin Comaniciu, Fran\c{c}ois Mellot, Guillaume Chabin, Nicolas Murray, Philippe Grenier, Pina Sanelli, Sasa Grbic, Savvas Nicolaou, Shikha Chaganti, Siqi Liu, Stuart Cohen, Thomas Flohr, Thomas Re, Valentin Ziebandt, William Parker, Youngjin Yoo, Zhoubing Xu

arxiv:2004.01279 v7 · 2020-04-02 · 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{QPQPXTS2VMXF76443N2HJ7HAE7}

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	2026-07-05T01:52:46.391741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83e0fbce5aab2e5ffb9cdb7474fce027d82415a074a9a363780602161e4afa60

Aliases

arxiv: 2004.01279 · arxiv_version: 2004.01279v7 · doi: 10.48550/arxiv.2004.01279 · pith_short_12: QPQPXTS2VMXF · pith_short_16: QPQPXTS2VMXF7644 · pith_short_8: QPQPXTS2

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/QPQPXTS2VMXF76443N2HJ7HAE7 \
  | 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: 83e0fbce5aab2e5ffb9cdb7474fce027d82415a074a9a363780602161e4afa60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81d6d61921f0c1692d6c01bbf010c6b585721f59e49fbc1a0f36b1f8712c679c",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-04-02T21:49:14Z",
    "title_canon_sha256": "7e18516457889f5e146c0652b01b8295c3a129deca2c03fc72a5b5ae8147c40f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.01279",
    "kind": "arxiv",
    "version": 7
  }
}