Pith Number

pith:AD7LCXHZ

pith:2019:AD7LCXHZWE5S7437ZFYEE3GSFO

not attested not anchored not stored refs pending

Non-degenerate parametric amplifiers based on dispersion engineered Josephson junction arrays

Alexey V. Ustinov, Dennis Rieger, Fabio Henriques, Farshad Foroughi, Ioan M. Pop, Ivan Takmakov, Julian Ferrero, Kiril Borisov, Luca Planat, Lukas Gr\"unhaupt, Nataliya Maleeva, Nicolas Roch, Patrick Winkel, Wiebke Hasch-Guichard, Wolfgang Wernsdorfer

arxiv:1909.08037 v3 · 2019-09-17 · quant-ph · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AD7LCXHZWE5S7437ZFYEE3GSFO}

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	2026-07-05T07:05:37.671650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00feb15cf9b13b2ff37fc970426cd22bae8e4d6896966be8df18e2929e660d34

Aliases

arxiv: 1909.08037 · arxiv_version: 1909.08037v3 · doi: 10.48550/arxiv.1909.08037 · pith_short_12: AD7LCXHZWE5S · pith_short_16: AD7LCXHZWE5S7437 · pith_short_8: AD7LCXHZ

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/AD7LCXHZWE5S7437ZFYEE3GSFO \
  | 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: 00feb15cf9b13b2ff37fc970426cd22bae8e4d6896966be8df18e2929e660d34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "121e0de746b4012115dd9eb715eb91d1bed6d64a3d5b96812971f89ed348514f",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-09-17T19:10:49Z",
    "title_canon_sha256": "8933c6ff992bd4104e82187fd5a9c84436143f484c06914c8533e4cbfe6db6ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.08037",
    "kind": "arxiv",
    "version": 3
  }
}