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Pith Number

pith:5B5UXQNA

pith:2019:5B5UXQNAHKS3ILGGUBW2PTHR23
not attested not anchored not stored refs pending

Downlink transceiver beamforming and admission control for massive MIMO cognitive radio networks

Danijela Cabric, Shailesh Chaudhari

arxiv:1903.07659 v1 · 2019-03-18 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5B5UXQNAHKS3ILGGUBW2PTHR23}

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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 2026-05-17T23:50:54.414762Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e87b4bc1a03aa5b42cc6a06da7ccf1d6f8ef00f7c4dd0ea53b6f4f2ff300c90b

Aliases

arxiv: 1903.07659 · arxiv_version: 1903.07659v1 · doi: 10.48550/arxiv.1903.07659 · pith_short_12: 5B5UXQNAHKS3 · pith_short_16: 5B5UXQNAHKS3ILGG · pith_short_8: 5B5UXQNA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5B5UXQNAHKS3ILGGUBW2PTHR23 \
  | 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: e87b4bc1a03aa5b42cc6a06da7ccf1d6f8ef00f7c4dd0ea53b6f4f2ff300c90b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dc501a8c195b3a6849be56a822582e29699347f3a558574a0c5e963500907004",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-18T18:33:35Z",
    "title_canon_sha256": "7fff70fcf8c541cf726020524a3ccae9157085e0bcd5aab9e06d1788fe8bd9d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07659",
    "kind": "arxiv",
    "version": 1
  }
}