pith. sign in
Pith Number

pith:WXBXL5PU

pith:2012:WXBXL5PUWJDB5TUQK5HVHOTHPE
not attested not anchored not stored refs pending

Two-qubit parametric amplifier: large amplification of weak signals

A. L. Rakhmanov, A. M. Zagoskin, A. N. Omelyanchouk, Franco Nori, S. Savel'ev, Z. Washington

arxiv:1205.6329 v1 · 2012-05-29 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WXBXL5PUWJDB5TUQK5HVHOTHPE}

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 2026-05-18T01:57:16.157145Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b5c375f5f4b2461ece90574f53ba67793f8f0610b71a18e87a7d77d695882910

Aliases

arxiv: 1205.6329 · arxiv_version: 1205.6329v1 · doi: 10.48550/arxiv.1205.6329 · pith_short_12: WXBXL5PUWJDB · pith_short_16: WXBXL5PUWJDB5TUQ · pith_short_8: WXBXL5PU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WXBXL5PUWJDB5TUQK5HVHOTHPE \
  | 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: b5c375f5f4b2461ece90574f53ba67793f8f0610b71a18e87a7d77d695882910
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8f5b002056c18a7495a9e81e7d1783fe8a6e33989f988576d0136ee71d1fcf68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-05-29T11:15:08Z",
    "title_canon_sha256": "5859b8adca5b5a40c96c1b7bfb586691af9a159d1ff97a8df4c57404a7b3aab7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6329",
    "kind": "arxiv",
    "version": 1
  }
}