Pith Number

pith:2EVYFEDZ

pith:2024:2EVYFEDZNHBRJVHSD662NKNGRM

not attested not anchored not stored refs pending

Coherence Based Sound Speed Aberration Correction -- with clinical validation in fetal ultrasound

Anders Emil Vr{\aa}lstad, Karin Ulrike Deibele, Martin Mienkina, Ole Marius Hoel Rindal, Peter Fosodeder, Siri Ann Nyrnes, Svein-Erik M{\aa}s{\o}y, Vibeke Skoura-Torvik

arxiv:2411.16551 v2 · 2024-11-25 · 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{2EVYFEDZNHBRJVHSD662NKNGRM}

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	2026-07-05T09:45:16.624703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d12b82907969c314d4f21fbda6a9a68b0b2d5e25f7b2858f85ab06d3d2288e02

Aliases

arxiv: 2411.16551 · arxiv_version: 2411.16551v2 · doi: 10.48550/arxiv.2411.16551 · pith_short_12: 2EVYFEDZNHBR · pith_short_16: 2EVYFEDZNHBRJVHS · pith_short_8: 2EVYFEDZ

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/2EVYFEDZNHBRJVHSD662NKNGRM \
  | 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: d12b82907969c314d4f21fbda6a9a68b0b2d5e25f7b2858f85ab06d3d2288e02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb686f4e3be2b198c765df3b6d9bf831a0f1039aa84979137f7e06c98c1d6b0a",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2024-11-25T16:36:38Z",
    "title_canon_sha256": "040af7e93ebe29805a383e32974c3796cdae8bb133cf943aba7caacc851e5ee0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.16551",
    "kind": "arxiv",
    "version": 2
  }
}