pith. sign in
Pith Number

pith:WVVKQM5W

pith:2016:WVVKQM5W5BZWLTO7NUVM6VGEYE
not attested not anchored not stored refs pending

Quantum repeaters based on trapped ions with decoherence free subspace encoding

B. P. Lanyon, C. A. Muschik, M. Zwerger, N. Sangouard, T. E. Northup, W. D\"ur

arxiv:1611.07779 v2 · 2016-11-23 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WVVKQM5W5BZWLTO7NUVM6VGEYE}

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 2026-05-18T00:31:00.251377Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b56aa833b6e87365cddf6d2acf54c4c11352a7f5007d799477ee40192c367f9c

Aliases

arxiv: 1611.07779 · arxiv_version: 1611.07779v2 · doi: 10.48550/arxiv.1611.07779 · pith_short_12: WVVKQM5W5BZW · pith_short_16: WVVKQM5W5BZWLTO7 · pith_short_8: WVVKQM5W
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WVVKQM5W5BZWLTO7NUVM6VGEYE \
  | 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: b56aa833b6e87365cddf6d2acf54c4c11352a7f5007d799477ee40192c367f9c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ffdadc97997055efb06c0d4aa6012db2246239fc84a91aef52a8a56dbfa1f60b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-11-23T13:15:35Z",
    "title_canon_sha256": "59eb65b5892d2ba9d699ba0af103d3fc03ae356c1c7529c5d21509a359202ab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07779",
    "kind": "arxiv",
    "version": 2
  }
}