Pith Number

pith:4VF3REI7

pith:2026:4VF3REI7EXUO3ODCTOC4C3JT2C

not attested not anchored not stored refs pending

Anatomy-Anchored Self-Supervision: Distilling Vision Foundation Models for Invariant Ultrasound Representation

Chunzheng Zhu, Feng Wang, Hongwei Wang, Jianxin Lin, Kenli Li, Lei Zhao, Shengli Li, Yijun Wang

arxiv:2605.25402 v1 · 2026-05-25 · 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{4VF3REI7EXUO3ODCTOC4C3JT2C}

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	2026-05-26T02:04:32.970056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e54bb8911f25e8edb8629b85c16d33d08cb4c381a2368e50f5e1c9d06c74261f

Aliases

arxiv: 2605.25402 · arxiv_version: 2605.25402v1 · doi: 10.48550/arxiv.2605.25402 · pith_short_12: 4VF3REI7EXUO · pith_short_16: 4VF3REI7EXUO3ODC · pith_short_8: 4VF3REI7

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/4VF3REI7EXUO3ODCTOC4C3JT2C \
  | 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: e54bb8911f25e8edb8629b85c16d33d08cb4c381a2368e50f5e1c9d06c74261f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0be9b404294cf7cf2052fe04e344dcb3651bd4fc6d32835eea895fd61de6766",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-25T03:52:58Z",
    "title_canon_sha256": "2199f0728d8c0b01d2cd10d47bbe4a1be70dd294faf92db2386b3f487a3f553b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25402",
    "kind": "arxiv",
    "version": 1
  }
}