Pith Number

pith:FUUSUKSD

pith:2021:FUUSUKSDXBNSEJV22YDWFVF65Q

not attested not anchored not stored refs pending

Multi-Feature Multi-Scale CNN-Derived COVID-19 Classification from Lung Ultrasound Data

Hui Che, Ilker Hacihaliloglu, Jag Sunderram, Jared Radbel, John L. Nosher, Vishal M. Patel

arxiv:2102.11942 v1 · 2021-02-23 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUUSUKSDXBNSEJV22YDWFVF65Q}

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	2026-07-05T03:41:59.827847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d292a2a43b85b2226bad60762d4beec112913820ca1236bd99bf27ea4ec1c91

Aliases

arxiv: 2102.11942 · arxiv_version: 2102.11942v1 · doi: 10.48550/arxiv.2102.11942 · pith_short_12: FUUSUKSDXBNS · pith_short_16: FUUSUKSDXBNSEJV2 · pith_short_8: FUUSUKSD

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/FUUSUKSDXBNSEJV22YDWFVF65Q \
  | 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: 2d292a2a43b85b2226bad60762d4beec112913820ca1236bd99bf27ea4ec1c91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c238552e87452f840066e13a0609bb4f898dddc3a078a342f93c55b62f47579",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-02-23T21:11:41Z",
    "title_canon_sha256": "ea43bab8c04d0ccf06f159d28af761dde0be9cac367a69c9a7a0cfbb3ddeae51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.11942",
    "kind": "arxiv",
    "version": 1
  }
}