Pith Number

pith:CA7HQSV2

pith:2018:CA7HQSV2VQNT4LUTOHRMIBLPU7

not attested not anchored not stored refs pending

Electrically-activated spin-controlled orbital angular momentum multiplexer

Etienne Brasselet, Filippo Romanato, Gianluca Ruffato, Michele Massari

arxiv:1803.09917 v1 · 2018-03-27 · 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{CA7HQSV2VQNT4LUTOHRMIBLPU7}

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	2026-05-18T00:10:46.579846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

103e784abaac1b3e2e9371e2c4056fa7c5bb5cee6fa5f7f3494bc942560ad8d9

Aliases

arxiv: 1803.09917 · arxiv_version: 1803.09917v1 · doi: 10.48550/arxiv.1803.09917 · pith_short_12: CA7HQSV2VQNT · pith_short_16: CA7HQSV2VQNT4LUT · pith_short_8: CA7HQSV2

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/CA7HQSV2VQNT4LUTOHRMIBLPU7 \
  | 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: 103e784abaac1b3e2e9371e2c4056fa7c5bb5cee6fa5f7f3494bc942560ad8d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8fc3a35336be825fd7a679fec47f44cbdb0d6318b7e7604a32a102a4688c40a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-03-27T06:38:44Z",
    "title_canon_sha256": "bbf77804cb046e96b1705c3807c2b542eee5325c6185ea97e122df013d06ab50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09917",
    "kind": "arxiv",
    "version": 1
  }
}