Pith Number

pith:BY4ZLDOB

pith:2025:BY4ZLDOBHG33MICBWZ4II4RPEG

not attested not anchored not stored refs pending

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems

Chau Yuen, Hing Cheung So, Jiaji Ren, Matthew C. Valenti, Merouane Debbah, Naofal Al-Dhahir, Tuo Wu, Wei Liu, Ye Tian, Yonina C. Eldar

arxiv:2501.18378 v1 · 2025-01-30 · 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{BY4ZLDOBHG33MICBWZ4II4RPEG}

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	2026-07-05T10:07:33.597596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e39958dc139b7b62041b67884722f21b4f59709dab7f1acadb428fb784f0b5b

Aliases

arxiv: 2501.18378 · arxiv_version: 2501.18378v1 · doi: 10.48550/arxiv.2501.18378 · pith_short_12: BY4ZLDOBHG33 · pith_short_16: BY4ZLDOBHG33MICB · pith_short_8: BY4ZLDOB

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/BY4ZLDOBHG33MICBWZ4II4RPEG \
  | 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: 0e39958dc139b7b62041b67884722f21b4f59709dab7f1acadb428fb784f0b5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26f96eeb78408cdbacc10efa73bd2783480d1fcf7624ab0ecce1b03d1fe7aeb8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-01-30T14:30:35Z",
    "title_canon_sha256": "26b7f75dccfa1bed901995f422ed377a666f91e86e69b96169d7cf70132ad472"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.18378",
    "kind": "arxiv",
    "version": 1
  }
}