Pith Number

pith:YVSUFQBV

pith:2014:YVSUFQBVNC7Z26XNEDDY3NJWOG

not attested not anchored not stored refs pending

4 X 20 Gbit/s mode division multiplexing over free space using vector modes and a q-plate mode (de)multiplexer

Alan E. Willner, Daniel A. Nolan, Ebrahim Karimi, Giovanni Milione, Guodong Xie, Hao Huang, Lorenzo Marrucci, Martin P. J. Lavery, Robert R. Alfano, Thien An Nguyen, Yongxiong Ren

arxiv:1412.2717 v1 · 2014-12-08 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YVSUFQBVNC7Z26XNEDDY3NJWOG}

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	2026-05-18T01:17:20.725284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c56542c03568bf9d7aed20c78db53671bff1e38f94e8635358132f04478d87d7

Aliases

arxiv: 1412.2717 · arxiv_version: 1412.2717v1 · doi: 10.48550/arxiv.1412.2717 · pith_short_12: YVSUFQBVNC7Z · pith_short_16: YVSUFQBVNC7Z26XN · pith_short_8: YVSUFQBV

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/YVSUFQBVNC7Z26XNEDDY3NJWOG \
  | 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: c56542c03568bf9d7aed20c78db53671bff1e38f94e8635358132f04478d87d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c93a74371ebdb96955ac37b31c2d5758c7574f0e81f1962c71231ed55478b81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-12-08T20:15:46Z",
    "title_canon_sha256": "a4dbf1d617d0885e2d8c7c14c54ed8d7f26a8aed1c4158e19e390b9f32b94291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2717",
    "kind": "arxiv",
    "version": 1
  }
}