Pith Number

pith:RR2J62HQ

pith:2024:RR2J62HQEFSEYKBSYXHNVMJKTC

not attested not anchored not stored refs pending

Ultrasound Autofocusing: Common Midpoint Phase Error Optimization via Differentiable Beamforming

Benjamin N. Frey, Dongwoon Hyun, Jeremy J. Dahl, Louise Zhuang, Sergio J. Sanabria, Walter Simson

arxiv:2410.03008 v3 · 2024-10-03 · physics.med-ph · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RR2J62HQEFSEYKBSYXHNVMJKTC}

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	2026-07-05T12:07:01.169866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c749f68f021644c2832c5cedab12a989ab224379446a78a74c11ba1575744dc

Aliases

arxiv: 2410.03008 · arxiv_version: 2410.03008v3 · doi: 10.48550/arxiv.2410.03008 · pith_short_12: RR2J62HQEFSE · pith_short_16: RR2J62HQEFSEYKBS · pith_short_8: RR2J62HQ

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/RR2J62HQEFSEYKBSYXHNVMJKTC \
  | 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: 8c749f68f021644c2832c5cedab12a989ab224379446a78a74c11ba1575744dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2d8d1e65daadd12e03953c79b2217476abdd4a0dd2ae3a4cb7bfc3af2c83601",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2024-10-03T21:34:15Z",
    "title_canon_sha256": "4710478d124da5dcab069da7801e437867dc60d2ce5f6f538704f3751def23cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.03008",
    "kind": "arxiv",
    "version": 3
  }
}