Pith Number

pith:CQ5BNDJE

pith:2018:CQ5BNDJEBW2GTM3C376NANPHOH

not attested not anchored not stored refs pending

Security proof for a simplified BB84-like QKD protocol

Alberto Boaron, Anthony Martin, Davide Rusca, Hugo Zbinden, Marcos Curty

arxiv:1808.08259 v2 · 2018-08-24 · 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{CQ5BNDJEBW2GTM3C376NANPHOH}

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	2026-05-17T23:59:05.596459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

143a168d240db469b362dffcd035e771d54946d5b318c19a69986b187190153e

Aliases

arxiv: 1808.08259 · arxiv_version: 1808.08259v2 · doi: 10.48550/arxiv.1808.08259 · pith_short_12: CQ5BNDJEBW2G · pith_short_16: CQ5BNDJEBW2GTM3C · pith_short_8: CQ5BNDJE

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/CQ5BNDJEBW2GTM3C376NANPHOH \
  | 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: 143a168d240db469b362dffcd035e771d54946d5b318c19a69986b187190153e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1000c10ed83c76a6f37285ccc284d806873506bcd295690835f4f5b0bfbeed28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-08-24T18:33:24Z",
    "title_canon_sha256": "6967561ad0d97012c0b6b9960e5f2867161f9574388ddb37b7dc91af1d8cf432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08259",
    "kind": "arxiv",
    "version": 2
  }
}