Pith Number

pith:4QZNJB5U

pith:2014:4QZNJB5UOWMVDJPWFBA4XUHZKC

not attested not anchored not stored refs pending

Electronic coolers based on superconducting tunnel junctions: fundamentals and applications

Clemens Winkelmann (NEEL), Frank W. J. Hekking (LPMMC), Herv\'e Courtois (NEEL), Hung Q. Nguyen (NEEL)

arxiv:1404.7605 v1 · 2014-04-30 · 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{4QZNJB5UOWMVDJPWFBA4XUHZKC}

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	2026-05-18T01:43:21.592496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e432d487b4759951a5f62841cbd0f950857cd71a1488c12b9db0deaeffb306ab

Aliases

arxiv: 1404.7605 · arxiv_version: 1404.7605v1 · doi: 10.48550/arxiv.1404.7605 · pith_short_12: 4QZNJB5UOWMV · pith_short_16: 4QZNJB5UOWMVDJPW · pith_short_8: 4QZNJB5U

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/4QZNJB5UOWMVDJPWFBA4XUHZKC \
  | 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: e432d487b4759951a5f62841cbd0f950857cd71a1488c12b9db0deaeffb306ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df0bb3ebfbf27da7a1199e3633f4adca3e48394ef9951eb439c73e0a877cded4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2014-04-30T06:36:03Z",
    "title_canon_sha256": "e83bb311c9ca7102f67f6df7be784c04222fd14e6771f0ae372e70f8a5bbd3d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7605",
    "kind": "arxiv",
    "version": 1
  }
}