Pith Number

pith:545K3XUH

pith:2021:545K3XUHYOM766RGXFIWCF4ZTB

not attested not anchored not stored refs pending

Compact Uniform Circular Quarter-Wavelength Monopole Antenna Arrays with Wideband Decoupling and Matching Networks

Bernhard Lehmeyer, Gerhard F. Hamberger, Jonas Kornprobst, Josef A. Nossek, Matthias G. Ehrnsperger, Michel T. Ivrlac, Raimund A. M. Mauermayer, Thomas F. Eibert, Thomas J. Mittermaier, Ulrik Imberg

arxiv:2105.09333 v2 · 2021-05-19 · eess.SP · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{545K3XUHYOM766RGXFIWCF4ZTB}

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	2026-07-05T04:34:12.489962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef3aadde87c399ff7a26b95161179998717ebb8e0c17f2bcdffa8e9ec16f5069

Aliases

arxiv: 2105.09333 · arxiv_version: 2105.09333v2 · doi: 10.48550/arxiv.2105.09333 · pith_short_12: 545K3XUHYOM7 · pith_short_16: 545K3XUHYOM766RG · pith_short_8: 545K3XUH

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/545K3XUHYOM766RGXFIWCF4ZTB \
  | 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: ef3aadde87c399ff7a26b95161179998717ebb8e0c17f2bcdffa8e9ec16f5069

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6ed80b6eab9a32d30a55fc8e6752546e05c51dac7ed12b925c873815e211148",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-05-19T18:00:11Z",
    "title_canon_sha256": "53afe0a4fb733519f6205c3785532dd44e85f14db19cb71154fa892877120b73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09333",
    "kind": "arxiv",
    "version": 2
  }
}