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Pith Number

pith:PKCFBYBX

pith:2012:PKCFBYBXQRNBLXCN67OPFHZ7ED
not attested not anchored not stored refs pending

Equivalence of SLNR Precoder and RZF Precoder in Downlink MU-MIMO Systems

Chenyang Yang, Fang Yuan

arxiv:1202.1888 v3 · 2012-02-09 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PKCFBYBXQRNBLXCN67OPFHZ7ED}

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 2026-05-18T03:53:17.292596Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7a8450e037845a15dc4df7dcf29f3f20fce90b70527d1f95a040f51ea61a771c

Aliases

arxiv: 1202.1888 · arxiv_version: 1202.1888v3 · doi: 10.48550/arxiv.1202.1888 · pith_short_12: PKCFBYBXQRNB · pith_short_16: PKCFBYBXQRNBLXCN · pith_short_8: PKCFBYBX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PKCFBYBXQRNBLXCN67OPFHZ7ED \
  | 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: 7a8450e037845a15dc4df7dcf29f3f20fce90b70527d1f95a040f51ea61a771c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0fa4a73b7431670e16e382f5be1ccff6af3d67b99336f12c14fb3927a5df80c6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-09T05:05:03Z",
    "title_canon_sha256": "e01751fcc0ed2294ffe044ff8d00dd9a911bf3dabb7f8cfc312d421149afbcbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1888",
    "kind": "arxiv",
    "version": 3
  }
}