Pith Number

pith:N7ECH3UE

pith:2015:N7ECH3UESZ5UT5OWP7BWGB7UBQ

not attested not anchored not stored refs pending

Multi-Beam RF Aperture Using Multiplierless FFT Approximation

A. Madanayake, A. Sengupta, D. Suarez, F. M. Bayer, R. J. Cintra, S. Kulasekera

arxiv:1501.01946 v1 · 2015-01-08 · stat.ME · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7ECH3UESZ5UT5OWP7BWGB7UBQ}

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	2026-05-18T02:29:45.945768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fc823ee84967b49f5d67fc36307f40c0682eb49452cb3eef966fb98b6b8a562

Aliases

arxiv: 1501.01946 · arxiv_version: 1501.01946v1 · doi: 10.48550/arxiv.1501.01946 · pith_short_12: N7ECH3UESZ5U · pith_short_16: N7ECH3UESZ5UT5OW · pith_short_8: N7ECH3UE

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/N7ECH3UESZ5UT5OWP7BWGB7UBQ \
  | 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: 6fc823ee84967b49f5d67fc36307f40c0682eb49452cb3eef966fb98b6b8a562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "223e2eb3ec499c58294cb4911c93d7700aa91d6af3dbebfefc5fb6bda4a4aff0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-01-08T20:21:05Z",
    "title_canon_sha256": "c8c8571ee1acea98f7b82bcbaa6e8631621e3fe535a925fb49a39250589a141d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01946",
    "kind": "arxiv",
    "version": 1
  }
}