Pith Number

pith:CLB7GJMD

pith:2023:CLB7GJMDM5FRAJGSHBRLZ25LAL

not attested not anchored not stored refs pending

Predicting COVID-19 and pneumonia complications from admission texts

Alexander Nesterov, Alexander Yalunin, Dmitriy Umerenkov, Irina Demko, Oleg Cherkashin, Victor Gombolevskiy, Vladimir Kokh

arxiv:2305.03661 v1 · 2023-05-05 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CLB7GJMDM5FRAJGSHBRLZ25LAL}

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	2026-07-05T06:07:26.031944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12c3f32583674b1024d23862bcebab02c20f2c53b6acb6ac14d06d0916b9f58e

Aliases

arxiv: 2305.03661 · arxiv_version: 2305.03661v1 · doi: 10.48550/arxiv.2305.03661 · pith_short_12: CLB7GJMDM5FR · pith_short_16: CLB7GJMDM5FRAJGS · pith_short_8: CLB7GJMD

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/CLB7GJMDM5FRAJGSHBRLZ25LAL \
  | 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: 12c3f32583674b1024d23862bcebab02c20f2c53b6acb6ac14d06d0916b9f58e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cdf8b00a82c07a1c6b0a1a9c695c89053cd9e9cbc258a720b235d670f14f00d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-05-05T16:28:44Z",
    "title_canon_sha256": "e4f22a303ee709281f002e091f3c0903511fb9dae6a07b86bf3ee9efd8195239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.03661",
    "kind": "arxiv",
    "version": 1
  }
}