pith. sign in
Pith Number

pith:SK5TMFVN

pith:2011:SK5TMFVNBPRZ7ZVBVCZIVDXH5G
not attested not anchored not stored refs pending

Efficient Heralding of Photonic Qubits with Apllications to Device Independent Quantum Key Distribution

David Pitk\"anen, Norbert L\"utkenhaus, Peter van Loock, Ricardo Wickert, Xiongfeng Ma

arxiv:1105.2811 v1 · 2011-05-13 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SK5TMFVNBPRZ7ZVBVCZIVDXH5G}

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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 2026-05-18T04:01:23.768711Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

92bb3616ad0be39fe6a1a8b28a8ee7e9908cfcb1df1b936c1aacf6030df8b4cc

Aliases

arxiv: 1105.2811 · arxiv_version: 1105.2811v1 · doi: 10.48550/arxiv.1105.2811 · pith_short_12: SK5TMFVNBPRZ · pith_short_16: SK5TMFVNBPRZ7ZVB · pith_short_8: SK5TMFVN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SK5TMFVNBPRZ7ZVBVCZIVDXH5G \
  | 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: 92bb3616ad0be39fe6a1a8b28a8ee7e9908cfcb1df1b936c1aacf6030df8b4cc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ce85be053af6e8baf40cec77605d6c2e8cfbb720c1cbec7f6acd0b08a1925437",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-05-13T19:36:46Z",
    "title_canon_sha256": "0438c3f0b2cad7779e11097087384fa51465ae086a7f02b67414bacf32300772"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2811",
    "kind": "arxiv",
    "version": 1
  }
}