pith. sign in
Pith Number

pith:JZBQPT4R

pith:2019:JZBQPT4RAWQNQW7QZFMXFCELA5
not attested not anchored not stored refs pending

On the Theoretical Limits of Beam Steering in mmWave Massive MIMO Channels

Maryline H\'elard (IETR), Matthieu Crussi\`ere (IETR), Mohamed Shehata (INSA Rennes)

arxiv:1901.11404 v1 · 2019-01-30 · eess.SP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JZBQPT4RAWQNQW7QZFMXFCELA5}

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 2026-05-17T23:55:01.944017Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4e4307cf9105a0d85bf0c95972888b077753229daa3160f74a340216891b10c6

Aliases

arxiv: 1901.11404 · arxiv_version: 1901.11404v1 · doi: 10.48550/arxiv.1901.11404 · pith_short_12: JZBQPT4RAWQN · pith_short_16: JZBQPT4RAWQNQW7Q · pith_short_8: JZBQPT4R
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JZBQPT4RAWQNQW7QZFMXFCELA5 \
  | 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: 4e4307cf9105a0d85bf0c95972888b077753229daa3160f74a340216891b10c6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1561466de1a26f5c3170539ba0fb4d2bb8d4d21ede7b90794b64b0af9c64d7ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-01-30T09:55:58Z",
    "title_canon_sha256": "c39076479866453c73ae7b575a2227780d9f336bb5721e3cb128c8aa79d171ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11404",
    "kind": "arxiv",
    "version": 1
  }
}