Pith Number

pith:VYYA5CUN

pith:2018:VYYA5CUNA7I4QONNWNRT7S5GGU

not attested not anchored not stored refs pending

Eigenspace-Based Minimum Variance Combined with Delay Multiply and Sum Beamformer: Application to Linear-Array Photoacoustic Imaging

Ali Mahloojifar, Mahdi Orooji, Manojit Pramanik, Moein Mozaffarzadeh, Vijitha Periyasamy

arxiv:1807.07405 v1 · 2018-07-18 · 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{VYYA5CUNA7I4QONNWNRT7S5GGU}

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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	2026-05-18T00:10:20.230515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae300e8a8d07d1c839adb3633fcba635276b8a52f40d0e8b1cf022017ec7a04a

Aliases

arxiv: 1807.07405 · arxiv_version: 1807.07405v1 · doi: 10.48550/arxiv.1807.07405 · pith_short_12: VYYA5CUNA7I4 · pith_short_16: VYYA5CUNA7I4QONN · pith_short_8: VYYA5CUN

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/VYYA5CUNA7I4QONNWNRT7S5GGU \
  | 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: ae300e8a8d07d1c839adb3633fcba635276b8a52f40d0e8b1cf022017ec7a04a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f490afc1ba7dab32986cb4a1a8e1aa573dfed6b778f26b490518119ab8947f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-07-18T06:51:16Z",
    "title_canon_sha256": "272d672b768ceb84abd4f799a1ccf94578ca77adbb85d37884efcb4abf44df0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07405",
    "kind": "arxiv",
    "version": 1
  }
}