[ { "id": "R01", "claim": "Google AI optimization:standard eligibility,useful original content,no special GEO schema;llms not a Google visibility lever", "url": "https://developers.google.com/search/docs/fundamentals/ai-optimization-guide", "source_type": "official documentation", "publication_or_update_date": "2026-07-10", "event_or_rollout_date": "2026-06-15 llms clarification", "access_date": "2026-10-07", "surface": "Google Search/AI,global", "measured_outcome": "Documented behavior,not uplift", "confidence": "high", "limitations": "Eligibility guidance;no guarantee of inclusion." }, { "id": "R02", "claim": "Initial HTML Product markup recommended;ratings may be nested in Product", "url": "https://developers.google.com/search/docs/appearance/structured-data/merchant-listing", "source_type": "official documentation", "publication_or_update_date": "undated current documentation", "event_or_rollout_date": "not specified", "access_date": "2026-10-07", "surface": "Google shopping/search", "measured_outcome": "Supported markup", "confidence": "high", "limitations": "Parse validity is not a rich-result test or Merchant Center approval." }, { "id": "R03", "claim": "GenAI content guidance refreshed;VideoObject creator supported;FAQ rich results discontinued", "url": "https://developers.google.com/search/updates", "source_type": "official changelog", "publication_or_update_date": "2026-10-01", "event_or_rollout_date": "Oct1 content;Sept24 video;May7 FAQ removal", "access_date": "2026-10-07", "surface": "Google Search", "measured_outcome": "Documented changes", "confidence": "high", "limitations": "Video recommendation conditional on original videos;FAQ removal predates baseline." }, { "id": "R04", "claim": "AI content requires useful,accurate editorial review;do not scale low-value pages", "url": "https://developers.google.com/search/docs/fundamentals/using-gen-ai-content", "source_type": "official documentation", "publication_or_update_date": "2026-10-01", "event_or_rollout_date": "guidance update Oct1", "access_date": "2026-10-07", "surface": "Google Search", "measured_outcome": "Policy/editorial guidance", "confidence": "high", "limitations": "No evidence U50 uses generated content;not a new ranking algorithm." }, { "id": "R05", "claim": "Search Console generative AI report measures AI Overview/Mode impressions", "url": "https://support.google.com/webmasters/answer/16984139", "source_type": "official help", "publication_or_update_date": "undated current help", "event_or_rollout_date": "2026-08-31 rollout", "access_date": "2026-10-07", "surface": "Google AI Overview/Mode,global", "measured_outcome": "Impressions,not clicks/citations", "confidence": "high", "limitations": "Property report may be absent at low volume;actual U50 data unavailable." }, { "id": "R06", "claim": "Bing AI visibility preview adds topic/intent,citation share,comparison", "url": "https://blogs.bing.com/search/2026/6/New-AI-Visibility-Insights-in-Bing-Webmaster-Tools-Intents-Topics-Citation-Share-Compare/", "source_type": "official announcement", "publication_or_update_date": "2026-06-16", "event_or_rollout_date": "2026-06-16 preview", "access_date": "2026-10-07", "surface": "Bing AI visibility", "measured_outcome": "Observational reporting", "confidence": "high", "limitations": "Citation share not rank or traffic;June change newly researched,not new September rollout." }, { "id": "R07", "claim": "OAI-SearchBot search,GPTBot training,ChatGPT-User retrieval are separate", "url": "https://developers.openai.com/api/docs/bots", "source_type": "official documentation", "publication_or_update_date": "undated current documentation", "event_or_rollout_date": "not specified", "access_date": "2026-10-07", "surface": "OpenAI crawlers", "measured_outcome": "Crawler controls", "confidence": "high", "limitations": "Spoofed UA cannot verify IP/provider access or citations." }, { "id": "R08", "claim": "Claude-SearchBot and Claude-User need separate consideration from ClaudeBot", "url": "https://support.claude.com/en/articles/8896518-does-anthropic-crawl-data-from-the-web-and-how-can-site-owners-block-the-crawler", "source_type": "official help", "publication_or_update_date": "2026-04-07", "event_or_rollout_date": "not specified", "access_date": "2026-10-07", "surface": "Anthropic crawler/search/retrieval", "measured_outcome": "Documented controls", "confidence": "high", "limitations": "Additional identities not directly tested here;logs/IP validation needed." }, { "id": "R09", "claim": "Cloudflare new-domain AI traffic options distinguish search,training,agents", "url": "https://developers.cloudflare.com/changelog/post/2026-07-01-ai-traffic-options/", "source_type": "official changelog", "publication_or_update_date": "2026-07-01", "event_or_rollout_date": "2026-09-15 policy effective", "access_date": "2026-10-07", "surface": "Cloudflare,new domains/ad pages", "measured_outcome": "Access policy", "confidence": "high", "limitations": "Do not infer applicability to existing Shopify U50 domain." }, { "id": "R10", "claim": "Adding schema showed no clear positive AIO citation effect in vendor matched study", "url": "https://ahrefs.com/blog/schema-ai-citations/", "source_type": "original vendor quasi-experiment", "publication_or_update_date": "2026-05-11", "event_or_rollout_date": "Aug2025\u2013Mar2026 interventions", "access_date": "2026-10-07", "surface": "Google AI Overviews", "measured_outcome": "1885 treated pages,4000 controls,30-day before/after", "confidence": "medium", "limitations": "Already high-citation pages;concurrent changes/pretrends;commercial conflict;no causal harm inference." }, { "id": "R11", "claim": "Practical AI search optimization guidance refreshed", "url": "https://ahrefs.com/blog/how-to-optimize-for-ai-search/", "source_type": "vendor practical guidance", "publication_or_update_date": "2026-09-25", "event_or_rollout_date": "no separate rollout", "access_date": "2026-10-07", "surface": "Multiple AI search surfaces", "measured_outcome": "Advice,not experiment", "confidence": "medium", "limitations": "Commercial source;does not establish causal lift." }, { "id": "R12", "claim": "Small direct-fetch tests suggest visible HTML matters more than hidden markup", "url": "https://www.searchviu.com/en/schema-markup-and-ai-in-2025-what-chatgpt-claude-perplexity-gemini-really-see/", "source_type": "original practitioner tests", "publication_or_update_date": "2025-12-02", "event_or_rollout_date": "2025 tests", "access_date": "2026-10-07", "surface": "5 assistant systems", "measured_outcome": "8 tests", "confidence": "low", "limitations": "Old versions,small sample;not universal behavior." }, { "id": "R13", "claim": "PR distribution vendor promotes AEO/GEO product", "url": "https://www.prnewswire.com/news-releases/pr-newswire-amplify-celebrates-1-year-of-transforming-the-pr-industry-302886727.html", "source_type": "issuer press release", "publication_or_update_date": "2026-09-23", "event_or_rollout_date": "one-year product anniversary", "access_date": "2026-10-07", "surface": "PR distribution", "measured_outcome": "Promotional claims", "confidence": "low", "limitations": "No independent U50 outcome;not justification for paid PR." }, { "id": "R14", "claim": "Official ACM portal lists United50 workout/pilates event", "url": "https://www.acmcountry.com/61ACMawards-portal", "source_type": "independent organization event page", "publication_or_update_date": "undated", "event_or_rollout_date": "2026-05-16 event", "access_date": "2026-10-07", "surface": "Brand corroboration,US", "measured_outcome": "United50 event mentioned;0 outgoing u50.com links", "confidence": "high", "limitations": "Existing event newly discovered;not editorial product review or new link." }, { "id": "R15", "claim": "GitHub and Anthropic news checked;no material new U50 SEO action found", "url": "https://github.blog/changelog/month/09-2026/", "source_type": "official changelog", "publication_or_update_date": "September2026 entries", "event_or_rollout_date": "various", "access_date": "2026-10-07", "surface": "Developer platforms", "measured_outcome": "Coverage check", "confidence": "medium", "limitations": "Bounded relevant review;also checked https://www.anthropic.com/news;not exhaustive." }, { "id": "R16", "claim": "Public X original could not be read", "url": "https://x.com/searchliaison/status/1790440915993243952", "source_type": "public social platform access attempt", "publication_or_update_date": "2024-05 older post", "event_or_rollout_date": "not applicable", "access_date": "2026-10-07", "surface": "X public search", "measured_outcome": "Original open403", "confidence": "unavailable", "limitations": "Recent exact queries yielded no useful original dated evidence;snippets not used;no private bookmarks access." }, { "id": "R17", "claim": "U50 partnership claim names APAF;independent confirmation not found in bounded search", "url": "https://u50.com/pages/social-responsibility-impact", "source_type": "first-party page observation", "publication_or_update_date": "undated", "event_or_rollout_date": "not established", "access_date": "2026-10-07", "surface": "U50 impact page", "measured_outcome": "Partner named;dated contribution missing", "confidence": "medium", "limitations": "First-party claim only;search non-detection does not refute partnership." } ]