{
  "@context": [
    "https://www.w3.org/ns/credentials/v2",
    "https://purl.imsglobal.org/spec/ob/v3p0/context-3.0.3.json",
    "https://purl.imsglobal.org/spec/ob/v3p0/extensions.json"
  ],
  "id": "urn:uuid:3272f675-552d-45b5-bb41-69e864ebfa91",
  "type": [
    "VerifiableCredential",
    "OpenBadgeCredential"
  ],
  "name": "长辈课堂 · 7 天毕业",
  "issuer": {
    "id": "https://xujue.cn/",
    "type": [
      "Profile"
    ],
    "name": "哪里不会",
    "url": "https://xujue.cn/",
    "email": "hello@xujue.cn"
  },
  "validFrom": "2026-08-30T10:18:20Z",
  "credentialSubject": {
    "type": [
      "AchievementSubject"
    ],
    "achievement": {
      "id": "https://xujue.cn/badges/changbei-7days.json",
      "type": [
        "Achievement"
      ],
      "name": "长辈课堂 · 7 天毕业",
      "description": "完成「AI 生活入门（7 天）」长辈课堂全部 7 天学习打卡：每天学一课、点一次「今天学完了」。",
      "criteria": {
        "narrative": "完成 https://xujue.cn/changbei/ 长辈课堂 7 天课程的全部打卡。"
      },
      "image": {
        "id": "https://xujue.cn/images/badges/changbei-7days.png",
        "type": "Image"
      }
    },
    "id": "urn:xujuecn:changbei-7days"
  },
  "credentialSchema": [
    {
      "id": "https://purl.imsglobal.org/spec/ob/v3p0/schema/json/ob_v3p0_achievementcredential_schema.json",
      "type": "1EdTechJsonSchemaValidator2019"
    }
  ]
}