Pith Number

pith:QQ7QVASR

pith:2009:QQ7QVASRTDMU7JUVX3GR2PCVIK

not attested not anchored not stored refs pending

Electron cooling by diffusive normal metal - superconductor tunnel junctions

A.S. Vasenko, E.V. Bezuglyi, F.W.J. Hekking, H. Courtois

arxiv:0912.4446 v1 · 2009-12-22 · 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{QQ7QVASRTDMU7JUVX3GR2PCVIK}

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	2026-05-18T02:10:14.573752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

843f0a825198d94fa695becd1d3c55428ce5584c0023c4860721eee8d1aab1a7

Aliases

arxiv: 0912.4446 · arxiv_version: 0912.4446v1 · doi: 10.48550/arxiv.0912.4446 · pith_short_12: QQ7QVASRTDMU · pith_short_16: QQ7QVASRTDMU7JUV · pith_short_8: QQ7QVASR

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/QQ7QVASRTDMU7JUVX3GR2PCVIK \
  | 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: 843f0a825198d94fa695becd1d3c55428ce5584c0023c4860721eee8d1aab1a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e3fb9c050393cd621e64a38d6549c822c869f7737f700f220610726186d940b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-12-22T16:45:26Z",
    "title_canon_sha256": "b7f6bfdf1d094fe10102c0616b35b032905508d81c8499dc7ffee64055510569"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4446",
    "kind": "arxiv",
    "version": 1
  }
}