Pith Number

pith:2R75FJMM

pith:2025:2R75FJMMACDG7X7UPKRQT27JBA

not attested not anchored not stored refs pending

Hybrid MIMO in the Upper Mid-Band: Architectures, Processing, and Energy Efficiency

Ahmed Alkhateeb, Marouan Mizmizi, Umberto Spagnolini

arxiv:2503.01382 v1 · 2025-03-03 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2R75FJMMACDG7X7UPKRQT27JBA}

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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

2 papers in Pith

Measurement-Based Ultra-Massive MIMO Statistical Channel Characterization and System Performance Evaluation for UMi Environments at 15 GHz FR3 Spectrum

Measurement-Based Massive MIMO Channel Characterization and Performance Evaluation at FR3 (8 and 15 GHz) Under Equal Physical Aperture

Receipt and verification

First computed	2026-07-05T10:23:06.270077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d47fd2a58c00866fdff47aa309ebe90813d7be490729502bb3e309432f6dd4c3

Aliases

arxiv: 2503.01382 · arxiv_version: 2503.01382v1 · doi: 10.48550/arxiv.2503.01382 · pith_short_12: 2R75FJMMACDG · pith_short_16: 2R75FJMMACDG7X7U · pith_short_8: 2R75FJMM

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/2R75FJMMACDG7X7UPKRQT27JBA \
  | 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: d47fd2a58c00866fdff47aa309ebe90813d7be490729502bb3e309432f6dd4c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54aa2bf0b63a11dd0e26fa6ff5145dccf39f7639a385622136ac0e396b4322bc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-03-03T10:25:03Z",
    "title_canon_sha256": "920b62e2625abe1a3bfd6560108f928ea96a1454df68fe18a2df0cbf5fe94abb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.01382",
    "kind": "arxiv",
    "version": 1
  }
}