Pith Number

pith:XVYK6QIP

pith:2026:XVYK6QIPVLAKT2KGMKUIKWLKEK

not attested not anchored not stored refs pending

Efficient Image Registration for Ultrasound Localization Microscopy by Obtaining Gradients via Integration Across Iterations

Biao Huang, Chang Liu, Hengchang Liu, Jipeng Yan, Meng-Xing Tang, Ying Tan, Yingxiang Liu

arxiv:2606.18887 v1 · 2026-06-17 · eess.IV · 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{XVYK6QIPVLAKT2KGMKUIKWLKEK}

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	2026-06-19T16:11:51.002171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd70af410faac0a9e94662a885596a22acd42b97c28f219f2a9fd9ee042d6cbb

Aliases

arxiv: 2606.18887 · arxiv_version: 2606.18887v1 · doi: 10.48550/arxiv.2606.18887 · pith_short_12: XVYK6QIPVLAK · pith_short_16: XVYK6QIPVLAKT2KG · pith_short_8: XVYK6QIP

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/XVYK6QIPVLAKT2KGMKUIKWLKEK \
  | 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: bd70af410faac0a9e94662a885596a22acd42b97c28f219f2a9fd9ee042d6cbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aeed28d38f93a077ba79f1078a9d98f19949ba029706905b219aacaeb81ca0b",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-06-17T10:05:57Z",
    "title_canon_sha256": "43ca50e156b62e4e98e27a41a5baff7cefc5f21b4e86aa4474fe69d2ad81534a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18887",
    "kind": "arxiv",
    "version": 1
  }
}