{
  "schemaVersion": "1.2",
  "type": "tutorial-evidence-record",
  "language": "zh-CN",
  "generatedAt": "2026-09-23",
  "publisher": {
    "id": "https://zenleak.cn/#organization",
    "name": "ZenLeak GEO 学院",
    "editorialName": "ZenLeak 编辑部",
    "contact": "geo@allintwo.cloud"
  },
  "policies": {
    "sourceRelationship": "Page sources provide general context. Explicit claim evidence includes a source excerpt, locator, relation, review date and limits; unmapped claims do not imply one-to-one source support.",
    "rankingDisclaimer": "Inclusion in this evidence layer does not guarantee search ranking, indexing, citation, recommendation, or adoption by an AI system."
  },
  "record": {
    "id": "content-refresh-strategy",
    "title": "内容更新策略：用衰减信号、复核触发器与版本记录维护教程",
    "url": "https://zenleak.cn/content/content-refresh-strategy/",
    "path": "/content/content-refresh-strategy/",
    "evidenceUrl": "https://zenleak.cn/evidence/#content-refresh-strategy",
    "representations": {
      "json": "https://zenleak.cn/evidence/content-refresh-strategy.json",
      "markdown": "https://zenleak.cn/evidence/content-refresh-strategy.md"
    },
    "category": "内容优化",
    "contentType": "guide",
    "status": "reviewed",
    "statusLabel": "已复核",
    "datePublished": "2026-09-17",
    "dateModified": "2026-09-17",
    "reviewedAt": "2026-09-17",
    "evidenceReviewedAt": "2026-09-23",
    "claims": [
      {
        "id": "content-refresh-strategy-claim-1",
        "text": "高质量更新不是改发布日期或补几句话，而是重新核对页面目标、事实、来源、步骤、链接和结论边界。",
        "url": "https://zenleak.cn/evidence/#content-refresh-strategy-claim-1",
        "articleUrl": "https://zenleak.cn/content/content-refresh-strategy/#content-refresh-strategy-claim-1",
        "evidence": []
      },
      {
        "id": "content-refresh-strategy-claim-2",
        "text": "更新优先级应由风险与影响共同决定：依赖平台规则、产品版本和时效数据的页面，比稳定概念页需要更短的复核周期。",
        "url": "https://zenleak.cn/evidence/#content-refresh-strategy-claim-2",
        "articleUrl": "https://zenleak.cn/content/content-refresh-strategy/#content-refresh-strategy-claim-2",
        "evidence": []
      },
      {
        "id": "content-refresh-strategy-claim-3",
        "text": "发布日期应保留首次公开时间，修改日期只在内容发生实质变化时更新；重要变化还应提供可追溯的更新记录。",
        "url": "https://zenleak.cn/evidence/#content-refresh-strategy-claim-3",
        "articleUrl": "https://zenleak.cn/content/content-refresh-strategy/#content-refresh-strategy-claim-3",
        "evidence": [
          {
            "tutorialId": "content-refresh-strategy",
            "claimText": "发布日期应保留首次公开时间，修改日期只在内容发生实质变化时更新；重要变化还应提供可追溯的更新记录。",
            "relation": "context",
            "sourceUrl": "https://www.rfc-editor.org/rfc/rfc9110.html#name-last-modified",
            "sourceTitle": "RFC 9110 · Last-Modified",
            "locator": "Section 10.2.4 Last-Modified",
            "excerpt": "The Last-Modified response header field provides a timestamp indicating the last modification date of the selected representation.",
            "checkedAt": "2026-09-23",
            "limits": "RFC 说明 HTTP 表示的最近修改时间语义；首次发布日期、实质更新判定和更新日志是 ZenLeak 的编辑政策，不能由 HTTP 头自动推导。"
          }
        ]
      }
    ],
    "sources": [
      {
        "label": "Publication dates in search results",
        "url": "https://developers.google.com/search/docs/appearance/publication-dates",
        "publisher": "Google Search Central"
      },
      {
        "label": "Creating helpful, reliable, people-first content",
        "url": "https://developers.google.com/search/docs/fundamentals/creating-helpful-content",
        "publisher": "Google Search Central"
      },
      {
        "label": "HTTP Semantics: Last-Modified",
        "url": "https://www.rfc-editor.org/rfc/rfc9110.html#name-last-modified",
        "publisher": "IETF"
      }
    ],
    "prerequisites": [
      {
        "id": "evidence-and-sources",
        "title": "GEO 证据怎么组织：来源、引用与可信度",
        "url": "https://zenleak.cn/content/evidence-and-sources/"
      }
    ],
    "related": [
      {
        "id": "evidence-and-sources",
        "title": "GEO 证据怎么组织：来源、引用与可信度",
        "url": "https://zenleak.cn/content/evidence-and-sources/"
      },
      {
        "id": "topic-cluster",
        "title": "GEO 主题集群怎么做：从关键词表到问题网络",
        "url": "https://zenleak.cn/content/topic-cluster/"
      },
      {
        "id": "root-domain-launch",
        "title": "主域名上线怎么优化：ZenLeak 根域名发布清单",
        "url": "https://zenleak.cn/technical/root-domain-launch/"
      },
      {
        "id": "zenleak-readiness-baseline",
        "title": "ZenLeak 上线基线案例：从 28 个页面检查到可复核证据",
        "url": "https://zenleak.cn/cases/zenleak-readiness-baseline/"
      }
    ]
  }
}