Pith Number

pith:LQEAXMX5

pith:2011:LQEAXMX5ONKKQ5E4K4UFPEN5XO

not attested not anchored not stored refs pending

Circularly Polarized Receiving Antenna Incorporating Two Helices to Achieve Low Backscattering

Antti O. Karilainen, Sergei A. Tretyakov

arxiv:1109.4784 v2 · 2011-09-22 · physics.class-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{LQEAXMX5ONKKQ5E4K4UFPEN5XO}

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	2026-05-18T02:00:26.660491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c080bb2fd7354a8749c57285791bdbbb16a49141b307d267a2036e171de0191

Aliases

arxiv: 1109.4784 · arxiv_version: 1109.4784v2 · doi: 10.48550/arxiv.1109.4784 · pith_short_12: LQEAXMX5ONKK · pith_short_16: LQEAXMX5ONKKQ5E4 · pith_short_8: LQEAXMX5

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/LQEAXMX5ONKKQ5E4K4UFPEN5XO \
  | 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: 5c080bb2fd7354a8749c57285791bdbbb16a49141b307d267a2036e171de0191

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33d967242c913cac03226da37c877293bc8d701ace5ea61f5bde680fbac89004",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2011-09-22T12:06:04Z",
    "title_canon_sha256": "96c5359c725c433cb79a052c8b0b59843779ac9cb9724228ff4583e15c38ef2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4784",
    "kind": "arxiv",
    "version": 2
  }
}