Pith Number

pith:P4YCZZ5R

pith:2022:P4YCZZ5RCA6J2NXZWLBP6KONXK

not attested not anchored not stored refs pending

AI system for fetal ultrasound in low-resource settings

Akib Uddin, Angelica Willis, Bellington Vwalika, Benjamin H. Chi, Chace Lee, Charles Lau, Christina Chen, Daniel Tse, Elizabeth M. Stringer, George E. Dahl, Greg Corrado, James A. Taylor, Jeffrey S. A. Stringer, Joan T. Price, Jonny Wong, Justin Gilmer, Katherine Chou, Kris Liu, Lily Peng, Marcin Sieniek, Margaret P. Kasaro, Ntazana Sindano, Rory Pilgrim, Ryan G. Gomes, Scott Mayer McKinney, Shravya Shetty, Terry Spitz, T Saensuksopa, William Goodnight III

arxiv:2203.10139 v1 · 2022-03-18 · cs.LG · cs.AI · cs.CV · 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{P4YCZZ5RCA6J2NXZWLBP6KONXK}

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	2026-07-05T04:06:31.933033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f302ce7b1103c9d36f9b2c2ff29cdbaa448f96869a035e409cbc1e83797802a

Aliases

arxiv: 2203.10139 · arxiv_version: 2203.10139v1 · doi: 10.48550/arxiv.2203.10139 · pith_short_12: P4YCZZ5RCA6J · pith_short_16: P4YCZZ5RCA6J2NXZ · pith_short_8: P4YCZZ5R

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/P4YCZZ5RCA6J2NXZWLBP6KONXK \
  | 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: 7f302ce7b1103c9d36f9b2c2ff29cdbaa448f96869a035e409cbc1e83797802a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08b3544472a7ebd93c56b66b0346ed04edaaa57b49b1509c83027f733836cf79",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-03-18T19:39:34Z",
    "title_canon_sha256": "4826c51469de8303089af7d663bdfb943b2d7ae8b465dd2960b15f82c645b0d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.10139",
    "kind": "arxiv",
    "version": 1
  }
}