{
  "schema_version": "0.1",
  "catalog_id": "TITMAS-PUBLIC-UPDATES-0.1",
  "observed_at": "2026-07-28T13:10:00+08:00",
  "route_template": "/updates/{slug}/",
  "categories": [
    "RELEASE_NOTE",
    "RESEARCH_UPDATE",
    "DEMO_UPDATE",
    "GOVERNANCE_NOTICE",
    "MAINTENANCE_NOTICE"
  ],
  "announcement_policy": {
    "maximum_visible": 1,
    "selection_rule": "SEVERITY_DESC_THEN_EXPIRES_AT_ASC_THEN_EFFECTIVE_DATE_DESC",
    "severity_allowed_for": [
      "GOVERNANCE_NOTICE",
      "MAINTENANCE_NOTICE"
    ],
    "expires_at_allowed_for_all_categories": true,
    "null_expires_at_behavior": "EVERGREEN_NOT_PREFERRED_OVER_FINITE_ANNOUNCEMENTS",
    "no_active_item_behavior": "DO_NOT_RENDER_ANNOUNCEMENT_DOM"
  },
  "truth_boundaries_schema": {
    "type": "array",
    "required": [
      "scope",
      "limitation"
    ]
  },
  "filter_activation_gate": {
    "interactive_filter_enabled": false,
    "condition": "UPDATE_COUNT_GT_8_OR_CATEGORY_COUNT_GTE_3"
  },
  "items": [
    {
      "slug": "information-architecture-v0-1",
      "category": "RELEASE_NOTE",
      "status": "PUBLISHED",
      "audience": [
        "RESEARCHER",
        "DEVELOPER",
        "TECHNICAL_EVALUATOR"
      ],
      "effective_date": "2026-07-28T12:20:00+08:00",
      "expires_at": "2026-08-28T00:00:00+08:00",
      "is_announcement": true,
      "severity": null,
      "source_commit": "6a30da9c3e4ea52885ba911da50320a06191fd6f",
      "source_url": "/site-catalog.json",
      "supersedes": null,
      "title": {
        "zh": "网站结构已更新：研究、行业应用与 Demo 获得独立入口",
        "en": "Site structure updated: dedicated Research, Applications, and Demos entries"
      },
      "summary": {
        "zh": "新的公开信息架构已经上线；Products 在 AVAILABLE_PRODUCTS=0 时继续保持隐藏。",
        "en": "The new public information architecture is live; Products remains hidden while AVAILABLE_PRODUCTS=0."
      },
      "href": {
        "zh": "/updates/information-architecture-v0-1/",
        "en": "/en/updates/information-architecture-v0-1/"
      },
      "changes": {
        "zh": [
          "新增 Research Overview 与 Research Index。",
          "新增 Applications 与 Demos 聚合入口。",
          "新增 site-catalog.json 扩展接口。",
          "Products 继续受 AVAILABLE_PRODUCTS_GT_0 门控。"
        ],
        "en": [
          "Added Research Overview and Research Index.",
          "Added Applications and Demos indexes.",
          "Added the site-catalog.json extension interface.",
          "Products remains gated by AVAILABLE_PRODUCTS_GT_0."
        ]
      },
      "truth_boundaries": [
        {
          "scope": "PRODUCT_AVAILABILITY",
          "limitation": "AVAILABLE_PRODUCTS=0; this update does not create or announce a product."
        },
        {
          "scope": "COMMERCIAL_AVAILABILITY",
          "limitation": "AVAILABLE_COMMERCIAL_OFFERING=false."
        },
        {
          "scope": "PRODUCTION",
          "limitation": "PRODUCTION_READY=false; information architecture does not change implementation maturity."
        }
      ]
    },
    {
      "slug": "constitution",
      "category": "GOVERNANCE_NOTICE",
      "status": "PUBLISHED",
      "audience": [
        "SITE_EDITOR",
        "DEVELOPER",
        "TECHNICAL_EVALUATOR",
        "AI_AGENT"
      ],
      "effective_date": "2026-07-28T13:35:00+08:00",
      "expires_at": null,
      "is_announcement": false,
      "severity": "informational",
      "source_commit": "07f69964b9b2568944bdbb0f2b2038b49c6dff93",
      "source_url": "/WEBSITE-UPDATE-CONSTITUTION-v0.1.json",
      "supersedes": null,
      "title": {
        "zh": "网站更新宪法 v0.1 已建立",
        "en": "Website Update Constitution v0.1 established"
      },
      "summary": {
        "zh": "网站抉择默认先参考 OpenAI 的信息架构模式与 OpenTelemetry 的开放规范生命周期规则。",
        "en": "Website decisions now check OpenAI information-architecture patterns and OpenTelemetry open-specification lifecycle rules first."
      },
      "href": {
        "zh": "/updates/constitution/",
        "en": "/en/updates/constitution/"
      },
      "changes": {
        "zh": [
          "明确 OpenAI 与 OpenTelemetry 的不同参考职责。",
          "建立网站更新的七步默认决策顺序。",
          "保留产品、生产、权力、法律与安全事项的人工 gate。",
          "明确参考不等于采纳、关联或认可。"
        ],
        "en": [
          "Defined separate reference responsibilities for OpenAI and OpenTelemetry.",
          "Established a seven-step default website decision sequence.",
          "Preserved human gates for product, production, authority, legal, and security matters.",
          "Made explicit that reference does not mean adoption, affiliation, or endorsement."
        ]
      },
      "truth_boundaries": [
        {
          "scope": "REFERENCE_AUTHORITY",
          "limitation": "Official public references guide website choices but create no TITMAS authority."
        },
        {
          "scope": "HUMAN_GOVERNANCE",
          "limitation": "Human gates remain required for product, production, authority, legal, security, and privacy commitments."
        },
        {
          "scope": "AFFILIATION",
          "limitation": "No affiliation with or endorsement by OpenAI, OpenTelemetry, or CNCF is claimed."
        }
      ]
    }
  ]
}