Pith Number

pith:WM63EAXK

pith:2025:WM63EAXK4X77PRIR7Y6OZAAFKQ

not attested not anchored not stored refs pending

Contrast-Free Ultrasound Microvascular Imaging via Radiality and Similarity Weighting

Andrew J. Bentall, Chengwu Huang, James D Krier, Jingke Zhang, Jingyi Yin, Kaipeng Ji, Kate M. Knoll, Kathryn A. Robinson, Kendra E. Petersen, Lijie Huang, Lilach O Lerman, Ryan M DeRuiter, Shigao Chen, Tao Wu, U-Wai Lok, Xiang-yang Zhu, Yanzhe Zhao

arxiv:2509.07128 v1 · 2025-09-08 · physics.med-ph · eess.IV · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WM63EAXK4X77PRIR7Y6OZAAFKQ}

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	2026-07-05T12:07:16.030441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b33db202eae5fff7c511fe3cec80055425b6872d8756380c89b68504cb08fa92

Aliases

arxiv: 2509.07128 · arxiv_version: 2509.07128v1 · doi: 10.48550/arxiv.2509.07128 · pith_short_12: WM63EAXK4X77 · pith_short_16: WM63EAXK4X77PRIR · pith_short_8: WM63EAXK

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/WM63EAXK4X77PRIR7Y6OZAAFKQ \
  | 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: b33db202eae5fff7c511fe3cec80055425b6872d8756380c89b68504cb08fa92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "271ff2aa4342027938a4efebd0ae1b17aded0e892f2987a1794530457f90a7f5",
    "cross_cats_sorted": [
      "eess.IV",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2025-09-08T18:29:15Z",
    "title_canon_sha256": "315f830838cff7b16fd4f3310de9d44a6de346e287c8ee1b8e499dca7dae77dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.07128",
    "kind": "arxiv",
    "version": 1
  }
}