Pith Number

pith:NH6CAFNI

pith:2014:NH6CAFNI7HP5EDFTA6DSWDUBZR

not attested not anchored not stored refs pending

Complete elimination of information leakage in continuous-variable quantum communication channels

Christian S. Jacobsen, Lars S. Madsen, Radim Filip, Ulrik L. Andersen, Vladyslav C. Usenko

arxiv:1408.4566 v2 · 2014-08-20 · 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{NH6CAFNI7HP5EDFTA6DSWDUBZR}

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	2026-05-18T00:04:42.239532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69fc2015a8f9dfd20cb307872b0e81cc5d279ebead7e87ddd202eeaf959c00ec

Aliases

arxiv: 1408.4566 · arxiv_version: 1408.4566v2 · doi: 10.48550/arxiv.1408.4566 · pith_short_12: NH6CAFNI7HP5 · pith_short_16: NH6CAFNI7HP5EDFT · pith_short_8: NH6CAFNI

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/NH6CAFNI7HP5EDFTA6DSWDUBZR \
  | 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: 69fc2015a8f9dfd20cb307872b0e81cc5d279ebead7e87ddd202eeaf959c00ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f554e7c10105b4eb46898c5011d0e8c57c83db4252b517e7070a2b27881f22d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-08-20T09:06:43Z",
    "title_canon_sha256": "9b98eb0d1343b61fe224119110eb2fb9110f7cfbe63287a85025f1228f04fe1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4566",
    "kind": "arxiv",
    "version": 2
  }
}