Pith Number

pith:ADURR2X5

pith:2021:ADURR2X5JUBWKTKZHTNUJCRBYM

not attested not anchored not stored refs pending

Lung Ultrasound Segmentation and Adaptation between COVID-19 and Community-Acquired Pneumonia

Andrew Walden, Claudia AM Gandini Wheeler-Kingshott, Harry Mason, Lorenzo Cristoni, Louis Grandjean, Roberto Lazzari, Thomas Pulimood, Yipeng Hu, Zachary MC Baum

arxiv:2108.03138 v1 · 2021-08-06 · 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{ADURR2X5JUBWKTKZHTNUJCRBYM}

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	2026-07-05T03:09:12.243500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00e918eafd4d03654d593cdb448a21c31db31115bff0c9ef73aef7765e61d2c5

Aliases

arxiv: 2108.03138 · arxiv_version: 2108.03138v1 · doi: 10.48550/arxiv.2108.03138 · pith_short_12: ADURR2X5JUBW · pith_short_16: ADURR2X5JUBWKTKZ · pith_short_8: ADURR2X5

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/ADURR2X5JUBWKTKZHTNUJCRBYM \
  | 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: 00e918eafd4d03654d593cdb448a21c31db31115bff0c9ef73aef7765e61d2c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6aba1948a52bf26d5742578ae4c7c2fc63fbe8bc30b2e59d50f8cbb5d3181f2",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-08-06T14:17:51Z",
    "title_canon_sha256": "cd283b55c3e91e2b6430a4a05ec5d7f83cf5164d38812215a03ff99fcdcd36a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.03138",
    "kind": "arxiv",
    "version": 1
  }
}