Pith Number

pith:5FGWPBBE

pith:2012:5FGWPBBEMTJIR6AYOQLRF4JBC5

not attested not anchored not stored refs pending

A Unified Linear MSE Minimization MIMO Beamforming Design Based on Quadratic Matrix Programming

Chengwen Xing, Jingming Kuang, Shaodan Ma, Yik-Chung Wu, Zesong Fei

arxiv:1208.3390 v3 · 2012-08-16 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FGWPBBEMTJIR6AYOQLRF4JBC5}

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	2026-05-18T03:36:56.451419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e94d67842464d288f818741712f12117525269c4d3eb7bbec1ccb5061bca7536

Aliases

arxiv: 1208.3390 · arxiv_version: 1208.3390v3 · doi: 10.48550/arxiv.1208.3390 · pith_short_12: 5FGWPBBEMTJI · pith_short_16: 5FGWPBBEMTJIR6AY · pith_short_8: 5FGWPBBE

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5FGWPBBEMTJIR6AYOQLRF4JBC5 \
  | 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: e94d67842464d288f818741712f12117525269c4d3eb7bbec1ccb5061bca7536

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25da2610d95b3d81e19c6682397454620a7a3e065d783e8c907bc3a6b7ce9c8d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-08-16T15:08:01Z",
    "title_canon_sha256": "8edb0a63d5dde7d1332d1a62854c6a7f59552931bcb78a6a931dee9bfe87cb66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3390",
    "kind": "arxiv",
    "version": 3
  }
}