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Pith Number

pith:UG5DYVR7

pith:2013:UG5DYVR7BBSDBJR5SV3WFRMM3Y
not attested not anchored not stored refs pending

Effects of Channel Aging in Massive MIMO Systems

Kien T. Truong, Robert W. Heath Jr

arxiv:1305.6151 v3 · 2013-05-27 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UG5DYVR7BBSDBJR5SV3WFRMM3Y}

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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 2026-05-18T03:18:28.793310Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a1ba3c563f086430a63d957762c58cde0c2b57006c6502865e7c809b1c6abc5e

Aliases

arxiv: 1305.6151 · arxiv_version: 1305.6151v3 · doi: 10.48550/arxiv.1305.6151 · pith_short_12: UG5DYVR7BBSD · pith_short_16: UG5DYVR7BBSDBJR5 · pith_short_8: UG5DYVR7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UG5DYVR7BBSDBJR5SV3WFRMM3Y \
  | 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: a1ba3c563f086430a63d957762c58cde0c2b57006c6502865e7c809b1c6abc5e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b80430a944896ccbde84c2fb91fbec88d8fb3110b1487fc8d5cb0c6f0a57ce20",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-05-27T09:09:31Z",
    "title_canon_sha256": "425214351b25404474e78fdef7b8a1b2cb9ad3b89ef44920882d2ea5e3150030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6151",
    "kind": "arxiv",
    "version": 3
  }
}