pith. sign in
Pith Number

pith:2R6UQIGJ

pith:2016:2R6UQIGJPHGZ7PEYGCTFPOW6CE
not attested not anchored not stored refs pending

Orbital Angular Momentum-based Space Division Multiplexing for High-capacity Underwater Optical Communications

Alan E. Willner, Amir Arbabi, Andrei Faraon, Asher J. Willner, Cong Liu, Ehsan Arbabi, Guodong Xie, Long Li, Moshe Tur, Nisar Ahmed, Seyedeh Mahsa Kamali, Solyman Ashrafi, Yan Yan, Yinwen Cao, Yongxiong Ren, Zhe Wang, Zhe Zhao

arxiv:1604.06865 v1 · 2016-04-23 · physics.optics

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2R6UQIGJPHGZ7PEYGCTFPOW6CE}

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 2026-05-18T01:16:23.756047Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d47d4820c979cd9fbc9830a657bade1115d65f1e2c7f61cf88170678c9e18896

Aliases

arxiv: 1604.06865 · arxiv_version: 1604.06865v1 · doi: 10.48550/arxiv.1604.06865 · pith_short_12: 2R6UQIGJPHGZ · pith_short_16: 2R6UQIGJPHGZ7PEY · pith_short_8: 2R6UQIGJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2R6UQIGJPHGZ7PEYGCTFPOW6CE \
  | 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: d47d4820c979cd9fbc9830a657bade1115d65f1e2c7f61cf88170678c9e18896
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4a2a6738d11bce70461042a0e7cdb50464acd05bb60d7a97a17028d70e20853c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-04-23T05:27:31Z",
    "title_canon_sha256": "51a0f234e7da7666320ef941e6eb89c707f72e0d1bbf48a4fac18035f3177d5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06865",
    "kind": "arxiv",
    "version": 1
  }
}