Pith Number

pith:QVMK4AKE

pith:2026:QVMK4AKEJVZU6FKU3IYU4OF36W

not attested not anchored not stored refs pending

Benchmarking Ultrasound Foundation Models for Fetal Plane Classification

Leya Barrientos, Nicha C. Dvornek, Yuexi Du

arxiv:2605.27796 v1 · 2026-05-27 · eess.IV · cs.CV · cs.LG · eess.SP · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVMK4AKEJVZU6FKU3IYU4OF36W}

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	2026-05-28T01:04:48.913998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8558ae01444d734f1554da314e38bbf5a74518b4fa03e8f625b3f51b4f174d96

Aliases

arxiv: 2605.27796 · arxiv_version: 2605.27796v1 · doi: 10.48550/arxiv.2605.27796 · pith_short_12: QVMK4AKEJVZU · pith_short_16: QVMK4AKEJVZU6FKU · pith_short_8: QVMK4AKE

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/QVMK4AKEJVZU6FKU3IYU4OF36W \
  | 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: 8558ae01444d734f1554da314e38bbf5a74518b4fa03e8f625b3f51b4f174d96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b303ecc7dd050ce4155751b16044837ad4574282885ac31c9f7e956e0543a8a",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "eess.SP",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-05-27T00:32:40Z",
    "title_canon_sha256": "f17207768912250060d6e4a3a5ba952d2c08c80a52793500e9cbd3c5c447739f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27796",
    "kind": "arxiv",
    "version": 1
  }
}