Pith Number

pith:XFWPE5NA

pith:2014:XFWPE5NAXGMKJQ4C4GLLDHCPF5

not attested not anchored not stored refs pending

Improving the Performance of the Zero-Forcing Multiuser MISO Downlink Precoder through User Grouping

Erik G. Larsson, Saif Khan Mohammed

arxiv:1411.7529 v1 · 2014-11-27 · 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{XFWPE5NAXGMKJQ4C4GLLDHCPF5}

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	2026-05-18T00:58:11.202106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b96cf275a0b998a4c382e196b19c4f2f64da4885441085a4407d9ca5ab92addf

Aliases

arxiv: 1411.7529 · arxiv_version: 1411.7529v1 · doi: 10.48550/arxiv.1411.7529 · pith_short_12: XFWPE5NAXGMK · pith_short_16: XFWPE5NAXGMKJQ4C · pith_short_8: XFWPE5NA

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/XFWPE5NAXGMKJQ4C4GLLDHCPF5 \
  | 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: b96cf275a0b998a4c382e196b19c4f2f64da4885441085a4407d9ca5ab92addf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27cf19030211cf2fb6f611993019f8ea8470275b8a32fa0ab653ff58f1a746fd",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-11-27T10:21:39Z",
    "title_canon_sha256": "8e7e257eed84b57566f725a1671d7d7c144d329a0b6b8160b8de411323b49b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7529",
    "kind": "arxiv",
    "version": 1
  }
}