Pith Number

pith:LJ3BNPM7

pith:2024:LJ3BNPM775ODLDOIEWDEGNVT3Q

not attested not anchored not stored refs pending

Demonstration of quantum network protocols over a 14-km urban fiber link

Christian Haen, Christoph Becher, Elena Arensk\"otter, Jonas Meiers, J\"urgen Eschner, Marlon Sch\"afer, Maurice Lessing, Milad Yahyapour, Ronald Holzwarth, Ross Boland, Stephan Kucera, Tobias Bauer

arxiv:2404.04958 v1 · 2024-04-07 · 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{LJ3BNPM775ODLDOIEWDEGNVT3Q}

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	2026-07-05T08:05:24.199425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a7616bd9fff5c358dc825864336b3dc3897db7547f65b4396168e27253f9748

Aliases

arxiv: 2404.04958 · arxiv_version: 2404.04958v1 · doi: 10.48550/arxiv.2404.04958 · pith_short_12: LJ3BNPM775OD · pith_short_16: LJ3BNPM775ODLDOI · pith_short_8: LJ3BNPM7

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/LJ3BNPM775ODLDOIEWDEGNVT3Q \
  | 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: 5a7616bd9fff5c358dc825864336b3dc3897db7547f65b4396168e27253f9748

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58e52952b5f890a40b9b13b0e0cdaba0f949a49bdb47027d3239471274110a07",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-04-07T13:33:18Z",
    "title_canon_sha256": "aa12d35c60e8abf62033bc0a8d6680fd4ec9e25767e1ba98ce6b5be110517cf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.04958",
    "kind": "arxiv",
    "version": 1
  }
}