Pith Number

pith:GSR4OOT2

pith:2006:GSR4OOT2Y272CDZ2FHJ64HOK27

not attested not anchored not stored refs pending

Structured Codes Improve the Bennett-Brassard-84 Quantum Key Rate

Graeme Smith, John A. Smolin, Joseph M. Renes

arxiv:quant-ph/0607018 v2 · 2006-07-03 · 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{GSR4OOT2Y272CDZ2FHJ64HOK27}

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	2026-05-18T03:59:12.544613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34a3c73a7ac6bfa10f3a29d3ee1dcad7dfd99016a10ac87999ba3f30fb2745a8

Aliases

arxiv: quant-ph/0607018 · arxiv_version: quant-ph/0607018v2 · doi: 10.48550/arxiv.quant-ph/0607018 · pith_short_12: GSR4OOT2Y272 · pith_short_16: GSR4OOT2Y272CDZ2 · pith_short_8: GSR4OOT2

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/GSR4OOT2Y272CDZ2FHJ64HOK27 \
  | 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: 34a3c73a7ac6bfa10f3a29d3ee1dcad7dfd99016a10ac87999ba3f30fb2745a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d80136d5ce36b78de97dad5af5781527f2e456e3b1eda11bb977c7bb645d45b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-07-03T20:04:38Z",
    "title_canon_sha256": "16446e41d4d7d9ee464c2e76a14621c5862d192a33b109ec8277edf105683be0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0607018",
    "kind": "arxiv",
    "version": 2
  }
}