Pith Number

pith:2KXZYKU3

pith:2026:2KXZYKU3JLCZVSMS6A6CIUQNNW

not attested not anchored not stored refs pending

Risk-Routed Implicit Boundary Refinement for Robust Ultrasound Image Segmentation

Ann Dorothy King, Jing Cai, Jingguo Qu, Jing Qin, Michael Ying, Sheng Ning, Tonghuan Xiao, Winnie Chiu-Wing Chu, Xiang Wang, Xinyang Han, Yuqi Yang

arxiv:2607.21787 v1 · 2026-07-23 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KXZYKU3JLCZVSMS6A6CIUQNNW}

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	2026-07-27T00:20:21.018896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2af9c2a9b4ac59ac992f03c24520d6dba3b01008425e918e687cfd60ed43244

Aliases

arxiv: 2607.21787 · arxiv_version: 2607.21787v1 · doi: 10.48550/arxiv.2607.21787 · pith_short_12: 2KXZYKU3JLCZ · pith_short_16: 2KXZYKU3JLCZVSMS · pith_short_8: 2KXZYKU3

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/2KXZYKU3JLCZVSMS6A6CIUQNNW \
  | 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: d2af9c2a9b4ac59ac992f03c24520d6dba3b01008425e918e687cfd60ed43244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca8867c5e275a0ffe24922f2a590e87312c725f84c00f98ab8e1a225b9175180",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-23T20:07:50Z",
    "title_canon_sha256": "629401e7a4780030ec1c157db198a2a626636073dbfa8461da898b79b79295e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21787",
    "kind": "arxiv",
    "version": 1
  }
}