pith. sign in
Pith Number

pith:PSJYXFSI

pith:2012:PSJYXFSIYSFJLCS2BOSYBCKTGE
not attested not anchored not stored refs pending

Large-System Analysis of Joint User Selection and Vector Precoding with Zero-Forcing Transmit Beamforming for MIMO Broadcast Channels

Keigo Takeuchi, Ralf R. Mueller, Tsutomu Kawabata

arxiv:1203.4882 v2 · 2012-03-22 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PSJYXFSIYSFJLCS2BOSYBCKTGE}

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 2026-05-18T03:57:38.466621Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7c938b9648c48a958a5a0ba5808953310c6a562dbb3138cee0981efa79fcba30

Aliases

arxiv: 1203.4882 · arxiv_version: 1203.4882v2 · doi: 10.48550/arxiv.1203.4882 · pith_short_12: PSJYXFSIYSFJ · pith_short_16: PSJYXFSIYSFJLCS2 · pith_short_8: PSJYXFSI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PSJYXFSIYSFJLCS2BOSYBCKTGE \
  | 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: 7c938b9648c48a958a5a0ba5808953310c6a562dbb3138cee0981efa79fcba30
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d183aff02819c54e5af0cae2ef3780b44e380cc56f1ba6f4e2f96f5c329646e3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-03-22T04:22:46Z",
    "title_canon_sha256": "ebf710476c37ffd9784847341156dd324ccc78f2d76443697eb30dc5d654e94d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4882",
    "kind": "arxiv",
    "version": 2
  }
}