Pith Number

pith:WJSPKNZG

pith:2020:WJSPKNZGF7GEJCNRGRJAIMEWXQ

not attested not anchored not stored refs pending

Feasibility of satellite-to-ground continuous-variable quantum key distribution

Anthony Leverrier, Daniele Dequal, Eleni Diamanti, Giuseppe Vallone, Luis Trigo Vidarte, Paolo Villoresi, Victor Roman Rodriguez

arxiv:2002.02002 v2 · 2020-02-05 · 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{WJSPKNZGF7GEJCNRGRJAIMEWXQ}

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	2026-07-05T02:06:29.582586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b264f537262fcc4489b13452043096bc0692051f0ab3d8899056a5c0c3406914

Aliases

arxiv: 2002.02002 · arxiv_version: 2002.02002v2 · doi: 10.48550/arxiv.2002.02002 · pith_short_12: WJSPKNZGF7GE · pith_short_16: WJSPKNZGF7GEJCNR · pith_short_8: WJSPKNZG

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/WJSPKNZGF7GEJCNRGRJAIMEWXQ \
  | 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: b264f537262fcc4489b13452043096bc0692051f0ab3d8899056a5c0c3406914

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4992393489b71a43ed222ef4ae868058ac49bee66f19d4d66755a81af1e04768",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-02-05T21:53:57Z",
    "title_canon_sha256": "f520b74ed47292177b909f52390b40cd582e5c36583715a324c7a7617d2b98ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.02002",
    "kind": "arxiv",
    "version": 2
  }
}