Pith Number

pith:FPNA2HEF

pith:2025:FPNA2HEF4CFWNXONWGV6GI6H2K

not attested not anchored not stored refs pending

Higher Josephson harmonics in a tunable double-junction transmon qubit

Amalie T. J. Paulsen, Anders Kringh{\o}j, Casper Wied, Clinton A. Potts, David Feldstein-Bofill, Jacob Hastrup, Johann Bock Severin, Karsten Flensberg, Ksenia Shagalov, Leo Uhre Jakobsen, Malthe A. Marciniak, Morten Kjaergaard, Svend Kr{\o}jer, Zhenhai Sun

arxiv:2512.08470 v3 · 2025-12-09 · quant-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPNA2HEF4CFWNXONWGV6GI6H2K}

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.

Cited by

2 papers in Pith

Fraxonium: Fractional fluxon states for qudit encoding

Coherence limitations of a Fourier-engineered $\cos(2\varphi)$ transmon qubit

Receipt and verification

First computed	2026-07-22T01:23:33.960041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bda0d1c85e08b66ddcdb1abe323c7d2bf0817950f443f69dc331bd89475dba4

Aliases

arxiv: 2512.08470 · arxiv_version: 2512.08470v3 · doi: 10.48550/arxiv.2512.08470 · pith_short_12: FPNA2HEF4CFW · pith_short_16: FPNA2HEF4CFWNXON · pith_short_8: FPNA2HEF

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/FPNA2HEF4CFWNXONWGV6GI6H2K \
  | 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: 2bda0d1c85e08b66ddcdb1abe323c7d2bf0817950f443f69dc331bd89475dba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef6d2f557203662ea2d8dc16bf7555cab09d7a9da2a067ffd27339ba45f51f46",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-12-09T10:42:06Z",
    "title_canon_sha256": "638c87229f0860d6905a9661a0d28fbcad9cc832450b3cd2acf00fa3de2762c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.08470",
    "kind": "arxiv",
    "version": 3
  }
}