Pith Number

pith:BZ7NJ7TZ

pith:2019:BZ7NJ7TZ6S4X7CHXYQNS7WMPEL

not attested not anchored not stored refs pending

Multi-twist polarization ribbon topologies in highly-confined optical fields

Ebrahim Karimi, Enrico Santamato, Fr\'ed\'eric Bouchard, Gerd Leuchs, Lorenzo Marrucci, Peter Banzer, Robert W. Boyd, Sergej Orlov, Thomas Bauer

arxiv:1901.11337 v1 · 2019-01-31 · 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{BZ7NJ7TZ6S4X7CHXYQNS7WMPEL}

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	2026-05-17T23:45:30.430553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e7ed4fe79f4b97f88f7c41b2fd98f22f1d15c67ffc8122090b2aff2494d9752

Aliases

arxiv: 1901.11337 · arxiv_version: 1901.11337v1 · doi: 10.48550/arxiv.1901.11337 · pith_short_12: BZ7NJ7TZ6S4X · pith_short_16: BZ7NJ7TZ6S4X7CHX · pith_short_8: BZ7NJ7TZ

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/BZ7NJ7TZ6S4X7CHXYQNS7WMPEL \
  | 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: 0e7ed4fe79f4b97f88f7c41b2fd98f22f1d15c67ffc8122090b2aff2494d9752

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c262a0406936435cb1baf92ed6e644f3aaab15a8a0d8e31b2c9ed8f949a9c726",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-01-31T13:01:04Z",
    "title_canon_sha256": "b4a6284840c5f3e827ce175eb4909e00cb4235a42bb0b438faec95ab64fdbee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11337",
    "kind": "arxiv",
    "version": 1
  }
}