Pith Number

pith:774QO2SA

pith:2018:774QO2SAWNHKYB2P4B232UXYRX

not attested not anchored not stored refs pending

Image Enhancement and Noise Reduction Using Modified Delay-Multiply-and-Sum Beamformer: Application to Medical Photoacoustic Imaging

Ali Mahloojifar, Mahdi Orooji, Moein Mozaffarzadeh

arxiv:1801.06014 v1 · 2018-01-18 · eess.SP · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{774QO2SAWNHKYB2P4B232UXYRX}

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	2026-05-18T00:25:35.876681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fff9076a40b34eac074fe075bd52f88dd5ddcaf9c594cf51536f44ea88420e87

Aliases

arxiv: 1801.06014 · arxiv_version: 1801.06014v1 · doi: 10.48550/arxiv.1801.06014 · pith_short_12: 774QO2SAWNHK · pith_short_16: 774QO2SAWNHKYB2P · pith_short_8: 774QO2SA

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/774QO2SAWNHKYB2P4B232UXYRX \
  | 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: fff9076a40b34eac074fe075bd52f88dd5ddcaf9c594cf51536f44ea88420e87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cac55b03cd665cd8c969853ff091e035b5c2a112dd88a5d34e196d739d54c10",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-01-18T13:49:05Z",
    "title_canon_sha256": "bd71c318da485812d69923403130d0703ed829f84535f05397881888dc21ee7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06014",
    "kind": "arxiv",
    "version": 1
  }
}