Pith Number

pith:4V4M4PKC

pith:2023:4V4M4PKCNCXTSAIDFV3O5TZIT2

not attested not anchored not stored refs pending

High-rate intercity quantum key distribution with a semiconductor single-photon source

Ali Hreibi, Eddy Patrick Rugeramigabo, Fei Ding, Frederik Benthin, Jingzhong Yang, Joscha Hanel, Michael Jetter, Michael Zopf, Peter Michler, Raphael Joos, Sascha Kolatschek, Simone Luca Portalupi, Stefan K\"uck, Stephanie Bauer, Tom Fandrich, Zenghui Jiang

arxiv:2308.15922 v2 · 2023-08-30 · quant-ph · cond-mat.mes-hall · cond-mat.mtrl-sci · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4V4M4PKCNCXTSAIDFV3O5TZIT2}

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	2026-07-05T08:39:17.701763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e578ce3d4268af3901032d76eecf289e8fae70f67c161cfc367b1c90af10ab83

Aliases

arxiv: 2308.15922 · arxiv_version: 2308.15922v2 · doi: 10.48550/arxiv.2308.15922 · pith_short_12: 4V4M4PKCNCXT · pith_short_16: 4V4M4PKCNCXTSAID · pith_short_8: 4V4M4PKC

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/4V4M4PKCNCXTSAIDFV3O5TZIT2 \
  | 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: e578ce3d4268af3901032d76eecf289e8fae70f67c161cfc367b1c90af10ab83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d387ae7a978118cc9bd3608c5d0cc518161f4bd040a8164ca7f558708b9db15",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.mtrl-sci",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-08-30T09:57:07Z",
    "title_canon_sha256": "5de7608de2154e4613f22c4890a9ce7ad2a3a5849452e5a114ac8feaf0a3499d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.15922",
    "kind": "arxiv",
    "version": 2
  }
}