pith. sign in
Pith Number

pith:BWSCGWBB

pith:2019:BWSCGWBB7N3FD6EG36MQTLJJIO
not attested not anchored not stored refs pending

Lower Bound on the Sum-rate of Decremental Beam Selection Algorithm for Beamspace MIMO Systems

Christian Schneider, Naveed Iqbal, Reiner S. Thom\"a, Waqas Ahmad

arxiv:1901.10702 v1 · 2019-01-30 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BWSCGWBB7N3FD6EG36MQTLJJIO}

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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 2026-05-17T23:55:06.230695Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0da4235821fb7651f886df9909ad2943a60e71abf6f8e619e181d0cfb47c220d

Aliases

arxiv: 1901.10702 · arxiv_version: 1901.10702v1 · doi: 10.48550/arxiv.1901.10702 · pith_short_12: BWSCGWBB7N3F · pith_short_16: BWSCGWBB7N3FD6EG · pith_short_8: BWSCGWBB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BWSCGWBB7N3FD6EG36MQTLJJIO \
  | 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: 0da4235821fb7651f886df9909ad2943a60e71abf6f8e619e181d0cfb47c220d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b1acce1cd2a9b551e272d685d376fde325d0220bfa7e5102877bc8cd32e6e37a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-30T08:14:24Z",
    "title_canon_sha256": "6c5b40a5c5e8663bb1d998f0a6b594724cee1acc96b8f8828a400cf775415013"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10702",
    "kind": "arxiv",
    "version": 1
  }
}