Pith Number

pith:WU2EX5UK

pith:2017:WU2EX5UKMTHMGEV2DG75ZYM65F

not attested not anchored not stored refs pending

Satellite-Based Continuous-Variable Quantum Communications: State-of-the-Art and a Predictive Outlook

Lajos Hanzo, Nedasadat Hosseinidehaj, Robert Malaney, Soon Xin Ng

arxiv:1712.09722 v2 · 2017-12-28 · quant-ph · cs.CR · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WU2EX5UKMTHMGEV2DG75ZYM65F}

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	2026-07-04T23:52:01.875846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5344bf68a64cec312ba19bfdce19ee96a32935aaf3287cfb8a2e65effc83839

Aliases

arxiv: 1712.09722 · arxiv_version: 1712.09722v2 · doi: 10.48550/arxiv.1712.09722 · pith_short_12: WU2EX5UKMTHM · pith_short_16: WU2EX5UKMTHMGEV2 · pith_short_8: WU2EX5UK

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/WU2EX5UKMTHMGEV2DG75ZYM65F \
  | 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: b5344bf68a64cec312ba19bfdce19ee96a32935aaf3287cfb8a2e65effc83839

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db5946e8af43e7483c8ef33571dbf1be82ebdfa0404d5ea4905e662ce8a985a5",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-12-28T00:51:46Z",
    "title_canon_sha256": "b611de325d8dd94d0629d5b8f5f5d8a5ddae6643ab909b2ba91f1b25bebcbfc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09722",
    "kind": "arxiv",
    "version": 2
  }
}