pith. sign in
Pith Number

pith:PIKZTP2B

pith:2018:PIKZTP2BTHPXRM2EMRS5W5OSO6
not attested not anchored not stored refs pending

Optimal Transmit Antenna Selection for Massive MIMO Wiretap Channels

Ali Bereyhi, Amir M. Rabiei, Rafael F. Schaefer, Ralf R. M\"uller, Saba Asaad

arxiv:1803.01372 v1 · 2018-03-04 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PIKZTP2BTHPXRM2EMRS5W5OSO6}

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 2026-05-18T00:22:00.870337Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7a1599bf4199df78b3446465db75d2779b89c3355608a99e11422bd43e726f15

Aliases

arxiv: 1803.01372 · arxiv_version: 1803.01372v1 · doi: 10.48550/arxiv.1803.01372 · pith_short_12: PIKZTP2BTHPX · pith_short_16: PIKZTP2BTHPXRM2E · pith_short_8: PIKZTP2B
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PIKZTP2BTHPXRM2EMRS5W5OSO6 \
  | 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: 7a1599bf4199df78b3446465db75d2779b89c3355608a99e11422bd43e726f15
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "267ca52e4a40c7ae2282e7302c3afaa08fff030279a5d6c53c2574d21842131a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-03-04T15:58:33Z",
    "title_canon_sha256": "07ae14afeac1d4c2af8c5cedd52c30413be18b2138890a4d855759aec0cf02a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01372",
    "kind": "arxiv",
    "version": 1
  }
}