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Pith Number

pith:UFSPHU5O

pith:2012:UFSPHU5OK2MIL66RTX2O2EIK4D
not attested not anchored not stored refs pending

Per-antenna Constant Envelope Precoding for Large Multi-User MIMO Systems

Erik G. Larsson, Saif Khan Mohammed

arxiv:1201.1634 v2 · 2012-01-08 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UFSPHU5OK2MIL66RTX2O2EIK4D}

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 2026-05-18T03:53:43.650199Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a164f3d3ae569885fbd19df4ed110ae0de926811b55b24d1eaf4572cda11530f

Aliases

arxiv: 1201.1634 · arxiv_version: 1201.1634v2 · doi: 10.48550/arxiv.1201.1634 · pith_short_12: UFSPHU5OK2MI · pith_short_16: UFSPHU5OK2MIL66R · pith_short_8: UFSPHU5O
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UFSPHU5OK2MIL66RTX2O2EIK4D \
  | 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: a164f3d3ae569885fbd19df4ed110ae0de926811b55b24d1eaf4572cda11530f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1a5b6f688f5e57610d3129021dea0a636096581d66b3b3195d32212f816cda64",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-01-08T15:24:07Z",
    "title_canon_sha256": "cfdcb98d07a846cf47d51e83cad0c5b964fd2ea868bbc0796ef6309ece3fcb2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1634",
    "kind": "arxiv",
    "version": 2
  }
}