Pith Number

pith:QWKDFLTL

pith:2008:QWKDFLTLCBQ2NXIO4CXT3QHFGH

not attested not anchored not stored refs pending

Security of Binary Modulated Continuous Variable Quantum Key Distribution under Collective Attacks

Johannes Rigas, Matthias Heid, Norbert L\"utkenhaus, Yi-bo Zhao

arxiv:0807.3751 v1 · 2008-07-23 · 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{QWKDFLTLCBQ2NXIO4CXT3QHFGH}

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	2026-07-04T17:11:56.880323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859432ae6b1061a6dd0ee0af3dc0e531eec2b41e5aca96dd9f308a72b1c9e4d4

Aliases

arxiv: 0807.3751 · arxiv_version: 0807.3751v1 · doi: 10.48550/arxiv.0807.3751 · pith_short_12: QWKDFLTLCBQ2 · pith_short_16: QWKDFLTLCBQ2NXIO · pith_short_8: QWKDFLTL

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/QWKDFLTLCBQ2NXIO4CXT3QHFGH \
  | 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: 859432ae6b1061a6dd0ee0af3dc0e531eec2b41e5aca96dd9f308a72b1c9e4d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01b5eb71c9f35e70991d2668e6df768939e0c90018631eb8b3921ab0d939cbae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-07-23T21:51:45Z",
    "title_canon_sha256": "393af81fc8d061a81f7f05c836b881eaf54406efe8f4a0977bcb794c036aed54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.3751",
    "kind": "arxiv",
    "version": 1
  }
}