Pith Number

pith:QL3Y4JAA

pith:2009:QL3Y4JAALDACQYJYLCP3HKGGMV

not attested not anchored not stored refs pending

Phase gate of one superconducting qubit simultaneously controlling n qubits in a cavity

Chui-ping Yang, Franco Nori, Yu-xi Liu

arxiv:0907.4201 v3 · 2009-07-24 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QL3Y4JAALDACQYJYLCP3HKGGMV}

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	2026-05-18T03:23:58.628128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f78e240058c0286138589fb3a8c6656b960736cf028cc7344d9c553739095e

Aliases

arxiv: 0907.4201 · arxiv_version: 0907.4201v3 · doi: 10.48550/arxiv.0907.4201 · pith_short_12: QL3Y4JAALDAC · pith_short_16: QL3Y4JAALDACQYJY · pith_short_8: QL3Y4JAA

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/QL3Y4JAALDACQYJYLCP3HKGGMV \
  | 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: 82f78e240058c0286138589fb3a8c6656b960736cf028cc7344d9c553739095e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acf2143ca9f86e5d257f72c573910f1c0d4f34b74882aebcd421700626c26e09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-24T18:21:07Z",
    "title_canon_sha256": "73253eb8ee67b340c3160c8dbe24631d83c1dd24363cc2804335cf88301fc957"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4201",
    "kind": "arxiv",
    "version": 3
  }
}