Pith Number

pith:L6UDZIIX

pith:2013:L6UDZIIXDNXXPDHMAXJVQ2KOEW

not attested not anchored not stored refs pending

Optimal working points for continuous-variable quantum channels

Christoffer Wittmann, Christoph Marquardt, Gerd Leuchs, Imran Khan, Nathan Killoran, Nitin Jain, Norbert L\"utkenhaus

arxiv:1301.6051 v2 · 2013-01-25 · 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{L6UDZIIXDNXXPDHMAXJVQ2KOEW}

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	2026-05-18T03:16:28.847276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fa83ca1171b6f778cec05d358694e259af8560d7f41d60b23dfb469c8030842

Aliases

arxiv: 1301.6051 · arxiv_version: 1301.6051v2 · doi: 10.48550/arxiv.1301.6051 · pith_short_12: L6UDZIIXDNXX · pith_short_16: L6UDZIIXDNXXPDHM · pith_short_8: L6UDZIIX

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/L6UDZIIXDNXXPDHMAXJVQ2KOEW \
  | 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: 5fa83ca1171b6f778cec05d358694e259af8560d7f41d60b23dfb469c8030842

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "396d442c85bd0af1dd27f3cd40fd7280366e4b28fffc083f36bf91da37a3855d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-01-25T14:40:44Z",
    "title_canon_sha256": "98cc935ef27f3f0194b8fd3947f6678917aac3832d982ccdcd3427332ffc5000"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6051",
    "kind": "arxiv",
    "version": 2
  }
}