Pith Number

pith:2DCROJFR

pith:2018:2DCROJFRS5HIJ4BQ2FPA2PEVST

not attested not anchored not stored refs pending

Double Stage Delay Multiply and Sum Beamforming Algorithm Applied to Ultrasound Medical Imaging

Ali Mahloojifar, Mahdi Orooji, Masume Sadeghi, Moein Mozaffarzadeh

arxiv:1801.06061 v1 · 2018-01-18 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DCROJFRS5HIJ4BQ2FPA2PEVST}

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	2026-05-18T00:25:35.667111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0c51724b1974e84f030d15e0d3c9594e4fa58c8c9d70928b0e3c946f69685f3

Aliases

arxiv: 1801.06061 · arxiv_version: 1801.06061v1 · doi: 10.48550/arxiv.1801.06061 · pith_short_12: 2DCROJFRS5HI · pith_short_16: 2DCROJFRS5HIJ4BQ · pith_short_8: 2DCROJFR

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/2DCROJFRS5HIJ4BQ2FPA2PEVST \
  | 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: d0c51724b1974e84f030d15e0d3c9594e4fa58c8c9d70928b0e3c946f69685f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8f6cd7e3c784b0bc4bc69bc6c0ab2030008692b8816173c2fcdf9656bae8023",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-01-18T14:48:17Z",
    "title_canon_sha256": "22bb3eb58ffe75234a07aa97ca6cf111f79674844c595cbff3ecfbbcb8761b67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06061",
    "kind": "arxiv",
    "version": 1
  }
}