Pith Number

pith:PL43MKGD

pith:2020:PL43MKGD74PQL364PNNTIQE2EC

not attested not anchored not stored refs pending

COVID-Net S: Towards computer-aided severity assessment via training and validation of deep neural networks for geographic extent and opacity extent scoring of chest X-rays for SARS-CoV-2 lung disease severity

Alexander Wong, Almas Abbasi, Audrey G. Chung, Beiyi Shen, Linda Wang, Mahsa Hoshmand-Kochi, Timothy Q. Duong, Zhong Qiu Lin

arxiv:2005.12855 v4 · 2020-05-26 · 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{PL43MKGD74PQL364PNNTIQE2EC}

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	2026-07-05T02:32:32.330674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7af9b628c3ff1f05efdc7b5b34409a209e14170807aeab390f5215c618d48654

Aliases

arxiv: 2005.12855 · arxiv_version: 2005.12855v4 · doi: 10.48550/arxiv.2005.12855 · pith_short_12: PL43MKGD74PQ · pith_short_16: PL43MKGD74PQL364 · pith_short_8: PL43MKGD

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/PL43MKGD74PQL364PNNTIQE2EC \
  | 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: 7af9b628c3ff1f05efdc7b5b34409a209e14170807aeab390f5215c618d48654

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "631d39703a6dac63601e79cd1e90bcfa7ce92322c5327f7264a3050986024be5",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-05-26T16:33:52Z",
    "title_canon_sha256": "7ec48a9f4d736b2937f7f07532853647071c7e6b1b557af076b82fd408433680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.12855",
    "kind": "arxiv",
    "version": 4
  }
}