Pith Number

pith:5NDGFN4X

pith:2013:5NDGFN4XP6QGKDT7SMSWEMVGC6

not attested not anchored not stored refs pending

Quantum repeaters and quantum key distribution: the impact of entanglement distillation on the secret key rate

Dagmar Bru{\ss}, Hermann Kampermann, Silvestre Abruzzo, Sylvia Bratzik

arxiv:1303.3456 v1 · 2013-03-14 · 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{5NDGFN4XP6QGKDT7SMSWEMVGC6}

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	2026-05-18T03:19:56.499378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb4662b7977fa0650e7f93256232a617afa5eb408a866d4bc87325e33142e0e5

Aliases

arxiv: 1303.3456 · arxiv_version: 1303.3456v1 · doi: 10.48550/arxiv.1303.3456 · pith_short_12: 5NDGFN4XP6QG · pith_short_16: 5NDGFN4XP6QGKDT7 · pith_short_8: 5NDGFN4X

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/5NDGFN4XP6QGKDT7SMSWEMVGC6 \
  | 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: eb4662b7977fa0650e7f93256232a617afa5eb408a866d4bc87325e33142e0e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4de563bc0314f46ff314d43bde7ca5f20018c9c7071d3f78625f8df54fac2ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-03-14T14:26:17Z",
    "title_canon_sha256": "98b77e45688dd14e1c17ffe2d2a2fe98ca5beebca74b3a679718b5ff1e4cb6d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3456",
    "kind": "arxiv",
    "version": 1
  }
}