{
  "protocol": "verified-facts/0.3",
  "publisher": {
    "name": "車検データ (ShakenData)",
    "url": "https://shakendata.com/"
  },
  "conformance": "L1",
  "updated": "2026-10-31",
  "facts": {
    "count": 23,
    "get": "https://shakendata.com/f/{key}.json",
    "index": "https://shakendata.com/f/index.json",
    "digest": "sha256:d0809271d434649d8ea6b5be048f3579da32ca4963ea2738c9552f62efdb1bb9",
    "filtering": "client",
    "examples": [
      "jp/weight-tax/passenger-eco-per-0.5t-2y",
      "jp/weight-tax/passenger-standard-per-0.5t-2y",
      "jp/weight-tax/passenger-13y-per-0.5t-2y"
    ]
  },
  "namespaces": [
    {
      "name": "jp",
      "description": "Japanese 車検 (car inspection) statutory costs shown on shakendata.com: 自動車重量税 2026-05 – 2028-04 rates and the 13/18-year rules, 自賠責保険 premiums from 2026-11-01, 自動車税 and 軽自動車税 rates and surcharge rules, and three regional minimum wages. Official figures only; the site's modelled failure rates and repair costs are not published here.",
      "count": 23,
      "cadence": "Re-verified by hand against each official page on the known change dates (自動車税/軽自動車税 each 1 April after the December 税制改正; 自賠責 when the FSA/GIROJ revise the 基準料率; the weight-tax table ends 2028-04-30; minimum wages each autumn).",
      "authorities": [
        "www.city.koto.lg.jp",
        "www.fsa.go.jp",
        "www.mhlw.go.jp",
        "www.mlit.go.jp",
        "www.soumu.go.jp",
        "www.tax.metro.tokyo.lg.jp"
      ],
      "digest": "sha256:d0809271d434649d8ea6b5be048f3579da32ca4963ea2738c9552f62efdb1bb9"
    }
  ],
  "hash": "sha256/jcs",
  "changes": "https://shakendata.com/.well-known/changes.json",
  "schema": "https://databutler.dev/schema/fact.v0.json",
  "specification": "https://databutler.dev/protocol/facts",
  "licence": "Records free to reuse with attribution to shakendata.com. Each figure belongs to its official source and stays under that source's terms (mlit.go.jp, fsa.go.jp, soumu.go.jp, mhlw.go.jp: 公共データ利用規約（第1.0版）(PDL1.0); 東京都主税局 and 江東区 amounts are quoted with attribution).",
  "contact": "https://github.com/physics-star-cat/shaken-data/issues"
}