Pith Number

pith:I75ZPF4H

pith:2016:I75ZPF4H47DXTEQDGFCDZN3SAM

not attested not anchored not stored refs pending

A Note on Antenna Selection in Gaussian MIMO Channels: Capacity Guarantees and Bounds

Ayan Sengupta, Christina Fragouli, Yahya H. Ezzeldin

arxiv:1601.05784 v2 · 2016-01-21 · 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{I75ZPF4H47DXTEQDGFCDZN3SAM}

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	2026-05-18T01:08:42.839056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47fb979787e7c779920331443cb7720316f5a1521b69840533e186265bb44f77

Aliases

arxiv: 1601.05784 · arxiv_version: 1601.05784v2 · doi: 10.48550/arxiv.1601.05784 · pith_short_12: I75ZPF4H47DX · pith_short_16: I75ZPF4H47DXTEQD · pith_short_8: I75ZPF4H

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/I75ZPF4H47DXTEQDGFCDZN3SAM \
  | 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: 47fb979787e7c779920331443cb7720316f5a1521b69840533e186265bb44f77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe9090176486b12763ab771b1c372426b03d42cf8bc0999fc3d9e25a2f46eaa2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-01-21T20:56:19Z",
    "title_canon_sha256": "e7eb7ba5ceac0fa8e9cf7a372e255b295ef8f1de401d36bee3c56d982abae139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05784",
    "kind": "arxiv",
    "version": 2
  }
}