Pith Number

pith:VZWG5ZJE

pith:2022:VZWG5ZJE4WCAX4IZD5HLEWFT2K

not attested not anchored not stored refs pending

Broadband Squeezed Microwaves and Amplification with a Josephson Traveling-Wave Parametric Amplifier

Alex Melville, Arne Grimsmo, Benjamin Lienhard, Bethany M. Niedzielski, Bharath Kannan, David Kim, Greg Calusine, Irfan Siddiqi, Jack Y. Qiu, Jonilyn Yoder, Kaidong Peng, Kevin P. O'Brien, Mollie E. Schwartz, Philip Krantz, Simon Gustavsson, Terry P. Orlando, Vladimir Bolkhovsky, William D. Oliver, Youngkyu Sung

arxiv:2201.11261 v3 · 2022-01-27 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VZWG5ZJE4WCAX4IZD5HLEWFT2K}

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	2026-07-05T05:41:49.963025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae6c6ee524e5840bf1191f4eb258b3d2a4573b95bb2a8f5ece8ad1e342d31e25

Aliases

arxiv: 2201.11261 · arxiv_version: 2201.11261v3 · doi: 10.48550/arxiv.2201.11261 · pith_short_12: VZWG5ZJE4WCA · pith_short_16: VZWG5ZJE4WCAX4IZ · pith_short_8: VZWG5ZJE

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/VZWG5ZJE4WCAX4IZD5HLEWFT2K \
  | 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: ae6c6ee524e5840bf1191f4eb258b3d2a4573b95bb2a8f5ece8ad1e342d31e25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ea1ed57cbd29a3a901b3417283598554507d5f3a06bd868706ea34d524af45e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-01-27T01:31:32Z",
    "title_canon_sha256": "78ffdba4aad9e17b975118eeef50172cc6d51ff965995fbfe84bb31f8a06e436"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.11261",
    "kind": "arxiv",
    "version": 3
  }
}