Pith Number

pith:6WXNEHCV

pith:2012:6WXNEHCVSSVICHHMFVHOQ2A2IM

not attested not anchored not stored refs pending

Exploring a new regime for processing optical qubits: squeezing and unsqueezing single photons

Akira Furusawa, Jun-ichi Yoshikawa, Mamoru Endo, Noriaki Iwata, Peter van Loock, Petr Marek, Radim Filip, Yoshichika Miwa

arxiv:1209.2804 v2 · 2012-09-13 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6WXNEHCVSSVICHHMFVHOQ2A2IM}

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	2026-05-18T02:44:57.065010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5aed21c5594aa811cec2d4ee8681a431c21d4bae768415aa9d8d3ef6f5f6f5a

Aliases

arxiv: 1209.2804 · arxiv_version: 1209.2804v2 · doi: 10.48550/arxiv.1209.2804 · pith_short_12: 6WXNEHCVSSVI · pith_short_16: 6WXNEHCVSSVICHHM · pith_short_8: 6WXNEHCV

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/6WXNEHCVSSVICHHMFVHOQ2A2IM \
  | 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: f5aed21c5594aa811cec2d4ee8681a431c21d4bae768415aa9d8d3ef6f5f6f5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f72860cc78b69c50958fe544ee7aba2be544fa89fa82928f8a644a54f2bee37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-09-13T07:53:45Z",
    "title_canon_sha256": "4040dc41fdae2bfe66685b14926c6adc2730273261188d7ae7bad24afae39c57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2804",
    "kind": "arxiv",
    "version": 2
  }
}