pith. sign in
Pith Number

pith:I247KVA6

pith:2013:I247KVA6PILMGDDHLYWWRARMDL
not attested not anchored not stored refs pending

Multiuser SM-MIMO versus Massive MIMO: Uplink Performance Comparison

A. Chockalingam, P. Raviteja, T. Lakshmi Narasimhan

arxiv:1311.1291 v1 · 2013-11-06 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{I247KVA6PILMGDDHLYWWRARMDL}

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 2026-05-18T03:07:53.801724Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

46b9f5541e7a16c30c675e2d68822c1ac7525073c6e576b84152b58a69cf0aa9

Aliases

arxiv: 1311.1291 · arxiv_version: 1311.1291v1 · doi: 10.48550/arxiv.1311.1291 · pith_short_12: I247KVA6PILM · pith_short_16: I247KVA6PILMGDDH · pith_short_8: I247KVA6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/I247KVA6PILMGDDHLYWWRARMDL \
  | 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: 46b9f5541e7a16c30c675e2d68822c1ac7525073c6e576b84152b58a69cf0aa9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "26922becb43e283847859fb7a62ea7e4b072fe9e771c4ed18c082f12cb9bf3e8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-06T05:52:01Z",
    "title_canon_sha256": "7df139014abf57176041ddffbe015adf5af49a1db10ac640d33b55a320b1aae1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1291",
    "kind": "arxiv",
    "version": 1
  }
}