Pith Number

pith:XL3CB7SJ

pith:2010:XL3CB7SJ2AKSXAFMU3YPQPXKSZ

not attested not anchored not stored refs pending

Optimal quantum cloning of orbital angular momentum photon qubits via Hong-Ou-Mandel coalescence

Bruno Piccirillo, Ebrahim Karimi, Eleonora Nagali, Enrico Santamato, Fabio Sciarrino, Francesco De Martini, Linda Sansoni, Lorenzo Marrucci

arxiv:1010.5214 v1 · 2010-10-25 · quant-ph · 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{XL3CB7SJ2AKSXAFMU3YPQPXKSZ}

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	2026-05-18T04:38:49.141432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baf620fe49d0152b80aca6f0f83eea9668b650f49de88699c5d1a4ed78082efe

Aliases

arxiv: 1010.5214 · arxiv_version: 1010.5214v1 · doi: 10.48550/arxiv.1010.5214 · pith_short_12: XL3CB7SJ2AKS · pith_short_16: XL3CB7SJ2AKSXAFM · pith_short_8: XL3CB7SJ

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/XL3CB7SJ2AKSXAFMU3YPQPXKSZ \
  | 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: baf620fe49d0152b80aca6f0f83eea9668b650f49de88699c5d1a4ed78082efe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d62ad70276edaf4fbf8d3026f6b9ac188cbea5b8b1c080903a41562a635dca8b",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-10-25T18:19:53Z",
    "title_canon_sha256": "4293834ab0982cd5a2c7455ccc869bb3e51ade3bebe063ec5bc765de5e50669e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5214",
    "kind": "arxiv",
    "version": 1
  }
}