Pith Number

pith:7LBGHUMO

pith:2025:7LBGHUMOIPESWK5XY7AB4375QR

not attested not anchored not stored refs pending

The Tri-Hybrid MIMO Architecture

Chan-Byoung Chae, Joseph Carlson, Jr., Miguel Rodrigo Castellanos, Mohamed Akrout, Nitish Vikas Deshpande, Robert W. Heath

arxiv:2505.21971 v1 · 2025-05-28 · cs.IT · cs.NI · 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{7LBGHUMOIPESWK5XY7AB4375QR}

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.

Cited by

3 papers in Pith

Parasitic MIMO Beamforming for Multi-Active Multi-Parasitic Antenna Arrays with Binary Control

Codebook-based Port Selection and Combining for CSI-Free Uplink Fluid Antenna Multiple Access

Spectral and Energy Efficiency Tradeoff for Pinching-Antenna Systems

Receipt and verification

First computed	2026-07-05T11:11:07.092537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fac263d18e43c92b2bb7c7c01e6ffd84538244125dd34587b9a39a4fbb3d2f6a

Aliases

arxiv: 2505.21971 · arxiv_version: 2505.21971v1 · doi: 10.48550/arxiv.2505.21971 · pith_short_12: 7LBGHUMOIPES · pith_short_16: 7LBGHUMOIPESWK5X · pith_short_8: 7LBGHUMO

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/7LBGHUMOIPESWK5XY7AB4375QR \
  | 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: fac263d18e43c92b2bb7c7c01e6ffd84538244125dd34587b9a39a4fbb3d2f6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42738fbc2a11804e5794847b8f6ffb3c8addf97adb6fb00a7a83b5f03a918c0b",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-05-28T04:50:03Z",
    "title_canon_sha256": "e8f7ba01548ddddd296b5df970d81df94b341cdd2945f3a5f21b88fb921f3096"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21971",
    "kind": "arxiv",
    "version": 1
  }
}