Pith Number

pith:IXWBGVFG

pith:2026:IXWBGVFGLE5P22CI63SADJVWJW

not attested not anchored not stored refs pending

Reducing Spectral Oscillations for Robust Reference Frequency-Based Ultrasound Attenuation Estimation in Harmonic Imaging

Chengwu Huang, Dawn Boynton, Jieyang Jin, Jingke Zhang, Jingyi Yin, Joshua D. Trzasko, Kaipeng Ji, Kate M. Knoll, Kathryn A. Robinson, Kymberly D. Watt, Lijie Huang, Matthew Callstrom, Ryan M. DeRuiter, Shigao Chen, Tao Wu, U-Wai Lok, Yanzhe Zhao

arxiv:2608.12169 v1 · 2026-08-12 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXWBGVFGLE5P22CI63SADJVWJW}

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	2026-08-13T01:30:17.468962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45ec1354a6593afd6848f6e401a6b64db22a9a3aa52c5c802258c841989bd2fc

Aliases

arxiv: 2608.12169 · arxiv_version: 2608.12169v1 · doi: 10.48550/arxiv.2608.12169 · pith_short_12: IXWBGVFGLE5P · pith_short_16: IXWBGVFGLE5P22CI · pith_short_8: IXWBGVFG

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/IXWBGVFGLE5P22CI63SADJVWJW \
  | 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: 45ec1354a6593afd6848f6e401a6b64db22a9a3aa52c5c802258c841989bd2fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26a27dc6f0ae2bd66f442debaf590ccbb6db33d44c458b2735a9ca71db5388af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2026-08-12T15:28:24Z",
    "title_canon_sha256": "297b3a05b3bac30b7473f7ddc8c95c65fd29f25c9d405af89170ec79b86244a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.12169",
    "kind": "arxiv",
    "version": 1
  }
}