Pith Number

pith:LPBQI5JC

pith:2013:LPBQI5JCJQSLWA5DMOS7SUITEI

not attested not anchored not stored refs pending

N-tupling the capacity of each polarization state in radio links by using electromagnetic vorticity

Bo Thid\'e, Carlo G. Someda, Elettra Mari, Fabio Spinello, Fabrizio Tamburini, Filippo Romanato, Giuseppe Parisi, Matteo Oldoni, Piero Coassini, Roberto A. Ravanelli

arxiv:1307.5569 v2 · 2013-07-21 · physics.optics · 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{LPBQI5JCJQSLWA5DMOS7SUITEI}

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	2026-05-18T03:17:46.041039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bc30475224c24bb03a363a5f9511322058a0139f155a01e66eeab351d877728

Aliases

arxiv: 1307.5569 · arxiv_version: 1307.5569v2 · doi: 10.48550/arxiv.1307.5569 · pith_short_12: LPBQI5JCJQSL · pith_short_16: LPBQI5JCJQSLWA5D · pith_short_8: LPBQI5JC

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/LPBQI5JCJQSLWA5DMOS7SUITEI \
  | 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: 5bc30475224c24bb03a363a5f9511322058a0139f155a01e66eeab351d877728

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa06628a11121f31c76aac3b8d6b7f7c475a98e4c69753ac71e3393872bc31d9",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-07-21T21:52:11Z",
    "title_canon_sha256": "c71f44da20630e6b5dc74f23d769ada6547c9e20ba594081811b7977d767b873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5569",
    "kind": "arxiv",
    "version": 2
  }
}