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Pith Number

pith:LSFHTUWU

pith:2008:LSFHTUWUVR52MP3F3KNT26RVFT
not attested not anchored not stored refs pending

Opportunistic Scheduling and Beamforming for MIMO-OFDMA Downlink Systems with Reduced Feedback

H. Vincent Poor, Kyeong Jin Kim, Man-On Pun

arxiv:0802.4291 v1 · 2008-02-28 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LSFHTUWUVR52MP3F3KNT26RVFT}

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 2026-05-18T00:58:25.722842Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5c8a79d2d4ac7ba63f65da9b3d7a352cce5088e6259908515c31548bf096c894

Aliases

arxiv: 0802.4291 · arxiv_version: 0802.4291v1 · doi: 10.48550/arxiv.0802.4291 · pith_short_12: LSFHTUWUVR52 · pith_short_16: LSFHTUWUVR52MP3F · pith_short_8: LSFHTUWU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LSFHTUWUVR52MP3F3KNT26RVFT \
  | 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: 5c8a79d2d4ac7ba63f65da9b3d7a352cce5088e6259908515c31548bf096c894
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3907a9607552eb85cc4ee3b8ca0739d9837e67817c70041ea8bf7a670cb39a50",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-02-28T22:12:44Z",
    "title_canon_sha256": "8364565c678bbab1736d4de0480d34c35a17926c2d64fdb2e881daf6a8d9bf30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.4291",
    "kind": "arxiv",
    "version": 1
  }
}