Pith Number

pith:ZNLT2BHR

pith:2026:ZNLT2BHR3PVNPWZ6MMIWKWJIYU

not attested not anchored not stored refs pending

Chip-Scale Transmitter Module for Real-Time Continuous-Variable QKD

Emanuel Eichhammer, Emmeran Sollner, Igor Servello, Imran Khan, Martin Hauer, Moritz Baier, Peter Glei{\ss}ner, Sebastian Randel, Ulrich Eismann

arxiv:2603.13483 v2 · 2026-03-13 · quant-ph · 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{ZNLT2BHR3PVNPWZ6MMIWKWJIYU}

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	2026-06-23T01:12:03.639073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb573d04f1dbead7db3e6311655928c50bfc076a63db96a2f4d1923cf90c5649

Aliases

arxiv: 2603.13483 · arxiv_version: 2603.13483v2 · doi: 10.48550/arxiv.2603.13483 · pith_short_12: ZNLT2BHR3PVN · pith_short_16: ZNLT2BHR3PVNPWZ6 · pith_short_8: ZNLT2BHR

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/ZNLT2BHR3PVNPWZ6MMIWKWJIYU \
  | 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: cb573d04f1dbead7db3e6311655928c50bfc076a63db96a2f4d1923cf90c5649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e28a2dbf0b180b06b211c4a17e268464a87cffc94468b3b8befe6e85838c652b",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-03-13T18:02:09Z",
    "title_canon_sha256": "2c29178d14c64cf5957bb60d4350fd71d3f7e976429e2af60af8282ec8c757f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.13483",
    "kind": "arxiv",
    "version": 2
  }
}