Pith Number

pith:BNNZ3TLF

pith:2021:BNNZ3TLFTHQQP2KE6JC2SS5JZW

not attested not anchored not stored refs pending

Probabilistic combination of eigenlungs-based classifiers for COVID-19 diagnosis in chest CT images

Andr\'es Ortiz, Antonio Luna, Francisco J. Mart\'inez-Murcia, Javier Ram\'irez, Javier Royuela-del-Val, Jordi Broncano, Juan E. Arco, Juan M. G\'orriz, M. \'Alvaro Berb\'is, Yu-Dong Zhang

arxiv:2103.02961 v2 · 2021-03-04 · eess.IV · cs.CV · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BNNZ3TLFTHQQP2KE6JC2SS5JZW}

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	2026-07-05T05:00:36.241745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b5b9dcd6599e107e944f245a94ba9cd893edfbfeb05111d82ed0ef139092131

Aliases

arxiv: 2103.02961 · arxiv_version: 2103.02961v2 · doi: 10.48550/arxiv.2103.02961 · pith_short_12: BNNZ3TLFTHQQ · pith_short_16: BNNZ3TLFTHQQP2KE · pith_short_8: BNNZ3TLF

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/BNNZ3TLFTHQQP2KE6JC2SS5JZW \
  | 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: 0b5b9dcd6599e107e944f245a94ba9cd893edfbfeb05111d82ed0ef139092131

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7a16ddc43576844c48d66af593da0c6d6b74fd9760bd8e44a1346c016adde89",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-03-04T11:30:38Z",
    "title_canon_sha256": "469241ffbc134eff5e3b17347934782c5dfebee767ad6a5e8930ed37bb451c58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02961",
    "kind": "arxiv",
    "version": 2
  }
}