Pith Number

pith:W27Q22QS

pith:2019:W27Q22QSYTQQLAPYXX4ZY2M7TS

not attested not anchored not stored refs pending

Phonon traps reduce the quasiparticle density in superconducting circuits

Alexey V. Ustinov, Clement Gouriou, Daria Gusenkova, Fabio Henriques, Francesco Valenti, Gianluigi Catelani, Ioan M. Pop, Julian Ferrero, Laura Cardani, Lukas Gr\"unhaupt, Marc Lagoin, Marco Vignati, Maria Mart\'inez, Oliver Sander, Sebastian T. Skacel, Thibault Charpentier, Wolfgang Wernsdorfer

arxiv:1908.04257 v3 · 2019-08-12 · 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{W27Q22QSYTQQLAPYXX4ZY2M7TS}

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	2026-07-05T00:22:02.867271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6bf0d6a12c4e10581f8bdf99c699f9cae6a119184971173e24ac3a7db0b612b

Aliases

arxiv: 1908.04257 · arxiv_version: 1908.04257v3 · doi: 10.48550/arxiv.1908.04257 · pith_short_12: W27Q22QSYTQQ · pith_short_16: W27Q22QSYTQQLAPY · pith_short_8: W27Q22QS

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/W27Q22QSYTQQLAPYXX4ZY2M7TS \
  | 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: b6bf0d6a12c4e10581f8bdf99c699f9cae6a119184971173e24ac3a7db0b612b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9ed0d1dd3d10a8b34543e6832921515ef3eaa3b1f4c13fdd343c431b4133a8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2019-08-12T17:27:26Z",
    "title_canon_sha256": "7dac4d14c4ecd41a6a954e40cfbb82f0af5be3693532cac3edcb6468eb0d41d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04257",
    "kind": "arxiv",
    "version": 3
  }
}