Pith Number

pith:BKZI3SWS

pith:2023:BKZI3SWSXHGKVC7WUSG53EKXDY

not attested not anchored not stored refs pending

Imperfect Phase-Randomisation and Generalised Decoy-State Quantum Key Distribution

Norbert L\"utkenhaus, Shlok Nahar, Twesh Upadhyaya

arxiv:2304.09401 v2 · 2023-04-19 · 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{BKZI3SWSXHGKVC7WUSG53EKXDY}

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	2026-07-05T07:57:26.681330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ab28dcad2b9ccaa8bf6a48ddd91571e09ba8f0ffbead92a2efaf0faafb8f966

Aliases

arxiv: 2304.09401 · arxiv_version: 2304.09401v2 · doi: 10.48550/arxiv.2304.09401 · pith_short_12: BKZI3SWSXHGK · pith_short_16: BKZI3SWSXHGKVC7W · pith_short_8: BKZI3SWS

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/BKZI3SWSXHGKVC7WUSG53EKXDY \
  | 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: 0ab28dcad2b9ccaa8bf6a48ddd91571e09ba8f0ffbead92a2efaf0faafb8f966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63a5a4f62615d831443395a3511cbfc3b5cb454f08aeba82e9e5bfb996a71b36",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-04-19T03:34:40Z",
    "title_canon_sha256": "09a9f9ccdff63fa67793482268de4b6928dc7f50e11996a4ef117ed56880cb32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.09401",
    "kind": "arxiv",
    "version": 2
  }
}