Pith Number

pith:OB7KYMEZ

pith:2012:OB7KYMEZ4G63XLTVF7FMMSND2W

not attested not anchored not stored refs pending

Gaussian Post-selection for Continuous Variable Quantum Cryptography

Nathan Walk, Ping Koy Lam, Thomas Symul, Timothy C. Ralph

arxiv:1206.0936 v2 · 2012-06-05 · 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{OB7KYMEZ4G63XLTVF7FMMSND2W}

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	2026-05-18T03:31:43.153038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

707eac3099e1bdbbae752fcac649a3d5889d9253f51a773deffeba5899ee99ed

Aliases

arxiv: 1206.0936 · arxiv_version: 1206.0936v2 · doi: 10.48550/arxiv.1206.0936 · pith_short_12: OB7KYMEZ4G63 · pith_short_16: OB7KYMEZ4G63XLTV · pith_short_8: OB7KYMEZ

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/OB7KYMEZ4G63XLTVF7FMMSND2W \
  | 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: 707eac3099e1bdbbae752fcac649a3d5889d9253f51a773deffeba5899ee99ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77b50f14db321064bfc5309f5f39f689cb8474571e12c61c6fd26b78b64070eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-06-05T14:06:00Z",
    "title_canon_sha256": "56e783940bbc2d0e9e77ea41a4c842e1881cfd90e994b81d854216978801eb6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0936",
    "kind": "arxiv",
    "version": 2
  }
}