Pith Number

pith:PI2XRGYY

pith:2026:PI2XRGYY4CJPDWNRVEJBY7MXSL

not attested not anchored not stored refs pending

Look-Closer-Then-Diagnose: Confidence-Aware Ultrasound VQA via Active Zooming

Erxuan Wu, Hongjoo Lee, Huixiong Xu, Yikang Sun, Yuan Bi, Yue Zhou, Zhongliang Jiang

arxiv:2605.21652 v1 · 2026-05-20 · 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{PI2XRGYY4CJPDWNRVEJBY7MXSL}

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	2026-05-22T01:03:26.935710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a35789b18e092f1d9b1a9121c7d9792f784e6990d48736a017a8ae0166764c6

Aliases

arxiv: 2605.21652 · arxiv_version: 2605.21652v1 · doi: 10.48550/arxiv.2605.21652 · pith_short_12: PI2XRGYY4CJP · pith_short_16: PI2XRGYY4CJPDWNR · pith_short_8: PI2XRGYY

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/PI2XRGYY4CJPDWNRVEJBY7MXSL \
  | 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: 7a35789b18e092f1d9b1a9121c7d9792f784e6990d48736a017a8ae0166764c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67abbcd697e06af76759f63808aab9a7b86708695235705b94c24fefaa89cb13",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-20T19:06:34Z",
    "title_canon_sha256": "1768bebcb6151e8d7e273968e0762621fac9c392a43006128ababa4e15ebddae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21652",
    "kind": "arxiv",
    "version": 1
  }
}