Pith Number

pith:4NKZX7EI

pith:2018:4NKZX7EICFCFPHUKOOCYRMGQU7

not attested not anchored not stored refs pending

Flux-driven Josephson parametric amplifier for sub-GHz frequencies fabricated with side-wall passivated spacer junction technology

Janne Lehtinen, Juha Hassel, Leif Gr\"onberg, Mika Prunnila, Slawomir Simbierowicz, Visa Vesterinen

arxiv:1805.07307 v1 · 2018-05-18 · cond-mat.supr-con · cond-mat.mes-hall · physics.app-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{4NKZX7EICFCFPHUKOOCYRMGQU7}

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	2026-05-18T00:10:10.175094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3559bfc881144579e8a738588b0d0a7d4f35a1f3b39b5c55f584d90e035c330

Aliases

arxiv: 1805.07307 · arxiv_version: 1805.07307v1 · doi: 10.48550/arxiv.1805.07307 · pith_short_12: 4NKZX7EICFCF · pith_short_16: 4NKZX7EICFCFPHUK · pith_short_8: 4NKZX7EI

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/4NKZX7EICFCFPHUKOOCYRMGQU7 \
  | 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: e3559bfc881144579e8a738588b0d0a7d4f35a1f3b39b5c55f584d90e035c330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bf361bc47033d6c74e9cc18573a4391f2623a89e1fee380b6f19b447bdfda5c",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2018-05-18T16:14:46Z",
    "title_canon_sha256": "848a6218c8ed30a18eb4d098b6ec942abbc983e4fcc6c9f564041e6ba4d61dfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07307",
    "kind": "arxiv",
    "version": 1
  }
}