Pith Number

pith:UQD4IRC7

pith:2023:UQD4IRC7COIGV6LVSPZY6D74I6

not attested not anchored not stored refs pending

Optimal Beamforming for MIMO DFRC Systems with Transmit Covariance Constraints

Chenhao Yang, Wei Ni, Xin Wang, Yi Jiang

arxiv:2303.02888 v2 · 2023-03-06 · 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{UQD4IRC7COIGV6LVSPZY6D74I6}

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	2026-07-05T06:50:54.005103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a407c4445f13906af97593f38f0ffc4795469ed5b463c1a92fcf4522b27b860d

Aliases

arxiv: 2303.02888 · arxiv_version: 2303.02888v2 · doi: 10.48550/arxiv.2303.02888 · pith_short_12: UQD4IRC7COIG · pith_short_16: UQD4IRC7COIGV6LV · pith_short_8: UQD4IRC7

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/UQD4IRC7COIGV6LVSPZY6D74I6 \
  | 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: a407c4445f13906af97593f38f0ffc4795469ed5b463c1a92fcf4522b27b860d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e228cf333eb1365f05d076977fcd44b87354544b5fd63657f4d9e30a8503327",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-03-06T04:43:40Z",
    "title_canon_sha256": "6ae6ec76bec61b748d6a49154e0c8888bf860505a0ee3c52611a9f799ea1f63f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.02888",
    "kind": "arxiv",
    "version": 2
  }
}