Pith Number

pith:6J4GWZXK

pith:2015:6J4GWZXKUZC54BAVAAMNHVXKSU

not attested not anchored not stored refs pending

Uplink Performance Evaluation of Massive MU-MIMO Systems

Fabbryccio A. C. M. Cardoso, Fabricio L. Figueiredo, Felipe A. P. de Figueiredo, Joao Paulo Miranda

arxiv:1503.02192 v1 · 2015-03-07 · 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{6J4GWZXKUZC54BAVAAMNHVXKSU}

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	2026-05-18T02:25:25.655133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2786b66eaa645de04150018d3d6ea95377aaf2f429c9b53fc1682df3cbb88d0

Aliases

arxiv: 1503.02192 · arxiv_version: 1503.02192v1 · doi: 10.48550/arxiv.1503.02192 · pith_short_12: 6J4GWZXKUZC5 · pith_short_16: 6J4GWZXKUZC54BAV · pith_short_8: 6J4GWZXK

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/6J4GWZXKUZC54BAVAAMNHVXKSU \
  | 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: f2786b66eaa645de04150018d3d6ea95377aaf2f429c9b53fc1682df3cbb88d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20b3b2475ee464e899c40c312c43c6edbc93fc0519a5ddc4704e4e5847f481b8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-03-07T17:34:33Z",
    "title_canon_sha256": "91c1f23f84a191f5f2f1a768cf8843a6b1480e89b30cc02b3014799dcefd7b9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02192",
    "kind": "arxiv",
    "version": 1
  }
}