Pith Number

pith:UZPCJ3N2

pith:2014:UZPCJ3N2ICSSRD5PU6LPLNY2RY

not attested not anchored not stored refs pending

Provably Secure and Practical Quantum Key Distribution over 307 km of Optical Fibre

Boris Korzh, Bruno Sanguinetti, Charles Ci Wen Lim, Daniel Nolan, Hugo Zbinden, Ming Jun Li, Nicolas Gisin, Raphael Houlmann, Rob Thew

arxiv:1407.7427 v1 · 2014-07-28 · 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{UZPCJ3N2ICSSRD5PU6LPLNY2RY}

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	2026-05-18T02:25:18.787268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a65e24edba40a5288fafa796f5b71a8e08e0866535b847ea44c5063245590f31

Aliases

arxiv: 1407.7427 · arxiv_version: 1407.7427v1 · doi: 10.48550/arxiv.1407.7427 · pith_short_12: UZPCJ3N2ICSS · pith_short_16: UZPCJ3N2ICSSRD5P · pith_short_8: UZPCJ3N2

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/UZPCJ3N2ICSSRD5PU6LPLNY2RY \
  | 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: a65e24edba40a5288fafa796f5b71a8e08e0866535b847ea44c5063245590f31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c04ed5fce868acdff82a797527b7e8ae8f3d62cbae47bb6e1500a1a22a3d1b8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-07-28T14:16:29Z",
    "title_canon_sha256": "3915255a9bed402eb0f71b28ff9b206124b1b0a42fd05820e9328987c266f0d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7427",
    "kind": "arxiv",
    "version": 1
  }
}