Pith Number

pith:BT6WD5MN

pith:2026:BT6WD5MNCQGISF7DCEKAHRLRXD

not attested not anchored not stored refs pending

SonoCLIP: Mask-Guided Region-Aware Vision-Language Pretraining for Fetal Ultrasound Analysis

Bo Du, Chao Sun, Hang Su, Juhua Liu, Wei Hu, Zhaofan Li

arxiv:2606.29586 v1 · 2026-06-28 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BT6WD5MNCQGISF7DCEKAHRLRXD}

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	2026-06-30T01:18:13.182104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cfd61f58d140c8917e3111403c571b8ca798478abc805e163308ba8cc06ce92

Aliases

arxiv: 2606.29586 · arxiv_version: 2606.29586v1 · doi: 10.48550/arxiv.2606.29586 · pith_short_12: BT6WD5MNCQGI · pith_short_16: BT6WD5MNCQGISF7D · pith_short_8: BT6WD5MN

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/BT6WD5MNCQGISF7DCEKAHRLRXD \
  | 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: 0cfd61f58d140c8917e3111403c571b8ca798478abc805e163308ba8cc06ce92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "338e61e43aff7d564f6bd2ff49e436d199cfeb51ed6d140061a7361da32ba490",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-28T20:04:49Z",
    "title_canon_sha256": "7204e57832150e20b24b347263e74f000b1e214032369eb07780a8d50bb9327f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29586",
    "kind": "arxiv",
    "version": 1
  }
}