Pith Number

pith:EFOW5RWO

pith:2004:EFOW5RWOLXWHJ6ZPJ5OU7CYHID

not attested not anchored not stored refs pending

Detecting two-party quantum correlations in quantum key distribution protocols

Maciej Lewenstein, Marcos Curty, Norbert L\"utkenhaus, Otfried G\"uhne

arxiv:quant-ph/0409047 v1 · 2004-09-08 · 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{EFOW5RWOLXWHJ6ZPJ5OU7CYHID}

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	2026-05-18T01:08:45.803696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

215d6ec6ce5dec74fb2f4f5d4f8b0740f19fc2501a0b7ee58163ab57c1dc2dd2

Aliases

arxiv: quant-ph/0409047 · arxiv_version: quant-ph/0409047v1 · doi: 10.48550/arxiv.quant-ph/0409047 · pith_short_12: EFOW5RWOLXWH · pith_short_16: EFOW5RWOLXWHJ6ZP · pith_short_8: EFOW5RWO

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/EFOW5RWOLXWHJ6ZPJ5OU7CYHID \
  | 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: 215d6ec6ce5dec74fb2f4f5d4f8b0740f19fc2501a0b7ee58163ab57c1dc2dd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e70211d97330effc78cbc58c1fe4a5ca10eacc7ca11fc7f35275052f879ba76f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-09-08T12:30:26Z",
    "title_canon_sha256": "4573ec1c46410615886db24ae9cc72e92b0f82b8bb40355e1b6b3fa18f6b3922"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0409047",
    "kind": "arxiv",
    "version": 1
  }
}