Pith Number

pith:4ACRRD3L

pith:2022:4ACRRD3L4NIE2WOPJ76IETMCTU

not attested not anchored not stored refs pending

Channel Estimation for RIS-Aided Multi-User mmWave Systems with Uniform Planar Arrays

A. Lee Swindlehurst, Cunhua Pan, Gang Wu, Gui Zhou, Hong Ren, Petar Popovski, Zhendong Peng

arxiv:2208.07069 v2 · 2022-08-15 · 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{4ACRRD3L4NIE2WOPJ76IETMCTU}

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	2026-07-05T06:01:12.884383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e005188f6be3504d59cf4ffc824d829d0ad9f50c9e4d8c88837cbf475508acf8

Aliases

arxiv: 2208.07069 · arxiv_version: 2208.07069v2 · doi: 10.48550/arxiv.2208.07069 · pith_short_12: 4ACRRD3L4NIE · pith_short_16: 4ACRRD3L4NIE2WOP · pith_short_8: 4ACRRD3L

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/4ACRRD3L4NIE2WOPJ76IETMCTU \
  | 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: e005188f6be3504d59cf4ffc824d829d0ad9f50c9e4d8c88837cbf475508acf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "255f98d68a5f0c4f34e88818af64db3d914471147cdc0ca7abcd670d465fefa3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-08-15T08:33:48Z",
    "title_canon_sha256": "0ea9b30b9413860ed584b42d0e6a6ed0bf04455dbfe74b954ec5aeb6207dbd9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.07069",
    "kind": "arxiv",
    "version": 2
  }
}