Pith Number

pith:NRAYNOG4

pith:2018:NRAYNOG4QZGLMRWCNYDKW3WDXB

not attested not anchored not stored refs pending

Unidimensional continuous-variable quantum key distribution using squeezed states

Vladyslav C. Usenko

arxiv:1809.09162 v1 · 2018-09-24 · 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{NRAYNOG4QZGLMRWCNYDKW3WDXB}

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	2026-05-18T00:04:54.104340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c4186b8dc864cb646c26e06ab6ec3b87b6598d263c37773ac37d491d52bb1f8

Aliases

arxiv: 1809.09162 · arxiv_version: 1809.09162v1 · doi: 10.48550/arxiv.1809.09162 · pith_short_12: NRAYNOG4QZGL · pith_short_16: NRAYNOG4QZGLMRWC · pith_short_8: NRAYNOG4

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/NRAYNOG4QZGLMRWCNYDKW3WDXB \
  | 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: 6c4186b8dc864cb646c26e06ab6ec3b87b6598d263c37773ac37d491d52bb1f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5256079df8bd7eff7394774275b2613095891b59f4e63ee6824b11a378909852",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-09-24T18:52:14Z",
    "title_canon_sha256": "5a9066aa4407055f2a1a08fe389be61f034053bc5cc6c391954cf132e09b59e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09162",
    "kind": "arxiv",
    "version": 1
  }
}