pith. sign in
Pith Number

pith:ZPYK2HFB

pith:2017:ZPYK2HFBYNF73KGLID7GQT6AJX
not attested not anchored not stored refs pending

Energy Efficient Beamforming for Massive MIMO Public Channel

Cheng Zhang, Luxi Yang, Yindi Jing, Yongming Huang

arxiv:1704.05405 v2 · 2017-04-18 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZPYK2HFBYNF73KGLID7GQT6AJX}

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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 2026-05-18T00:34:30.921237Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

cbf0ad1ca1c34bfda8cb40fe684fc04df2af30c96a71af00ce97d164e21e1fb6

Aliases

arxiv: 1704.05405 · arxiv_version: 1704.05405v2 · doi: 10.48550/arxiv.1704.05405 · pith_short_12: ZPYK2HFBYNF7 · pith_short_16: ZPYK2HFBYNF73KGL · pith_short_8: ZPYK2HFB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZPYK2HFBYNF73KGLID7GQT6AJX \
  | 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: cbf0ad1ca1c34bfda8cb40fe684fc04df2af30c96a71af00ce97d164e21e1fb6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "34e6f8d934244002b7ab41645adbc018fbf61c1fca5266a6913d2c8926db423e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-04-18T16:05:36Z",
    "title_canon_sha256": "150f9c7834c0f9865921aef3517e2475c660fea30a49aa4617e057461c5ad623"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05405",
    "kind": "arxiv",
    "version": 2
  }
}