Verified source register — as of October 11, 2026

Use: Source IDs in the reports are resolved here. An official platform statement establishes the platform’s published policy, not that every algorithm always follows it. Preprints are clearly identified; the website observations are public page checks, not an authenticated audit.

S01 — Universal Declaration of Human Rights, Arts. 18–19

• Publisher/date: United Nations
• URL: https://www.un.org/en/about-us/universal-declaration-of-human-rights
• What it supports: Human rights to thought, opinion and to seek/receive/impart information; does not confer guaranteed ranking

S02 — Recommendation on the Ethics of Artificial Intelligence

• Publisher/date: UNESCO, 2021
• URL: https://www.unesco.org/en/legal-affairs/recommendation-ethics-artificial-intelligence
• What it supports: Calls for cultural and political diversity, participatory AI, freedom of expression and information

S03 — A Roadmap to Impactful Pluralistic Alignment Research

• Publisher/date: Poole-Dayan et al., 2026, preprint
• URL: https://arxiv.org/abs/2607.22305
• What it supports: Audit of published behavior documents; reports no clear evidence of production pluralistic training/evaluation in scope, not proof of none

S04 — From Sycophantic Consensus to Pluralistic Repair

• Publisher/date: Vishwarupe et al., 2026, preprint
• URL: https://arxiv.org/abs/2605.14912
• What it supports: Small-scale exploration of agents surfacing disagreement and principled revision

S05 — AI models collapse when trained on recursively generated data

• Publisher/date: Shumailov et al., Nature, 2024 (correction 2025)
• URL: https://www.nature.com/articles/s41586-024-07566-y
• What it supports: Study about recursive training on synthetic content; not synonymous with viewpoint censorship

S06 — AI systems and language diversity

• Publisher/date: UNESCO linguistic diversity coalition
• URL: https://www.unesco.org/ethics-ai/en/coalition-linguistic-diversity-artificial-intelligence
• What it supports: Documented linguistic underrepresentation and need for broader language access

S07 — Search link best practices

• Publisher/date: Google Search Central
• URL: https://developers.google.com/search/docs/crawling-indexing/links-crawlable
• What it supports: External editorial links are normal and useful; avoid blanket nofollow

S08 — Spam Policies for Google Web Search

• Publisher/date: Google Search Central
• URL: https://developers.google.com/search/docs/essentials/spam-policies
• What it supports: Prohibits ranking-manipulative link schemes and excessive exchanges

S09 — Google AI summaries and user clicks

• Publisher/date: Pew Research Center, July 22 2025
• URL: https://www.pewresearch.org/short-reads/2025/07/22/google-users-are-less-likely-to-click-on-links-when-an-ai-summary-appears-in-the-results/
• What it supports: Observational March 2025 panel: 8% clicked ordinary results with AI summaries vs 15% without; noncausal comparison

S10 — Optimizing for generative AI features in Google Search

• Publisher/date: Google Search Central, 2026
• URL: https://developers.google.com/search/docs/fundamentals/ai-optimization-guide
• What it supports: Unique content and ordinary SEO; no special LLMS.txt or AI chunking guarantee in Google

S11 — AI features and your website

• Publisher/date: Google Search Central
• URL: https://developers.google.com/search/docs/appearance/ai-features
• What it supports: Indexed pages may be eligible for AI links; no guaranteed placement

S12 — Webmention Recommendation

• Publisher/date: W3C, January 2017
• URL: https://www.w3.org/TR/webmention/
• What it supports: Open cross-website link notifications, with verification and SSRF/security implications

S13 — Digital Services Act – recommender systems and user transparency

• Publisher/date: European Union Regulation 2022/2065
• URL: https://eur-lex.europa.eu/eli/reg/2022/2065/oj
• What it supports: Transparency and platform obligations depend on service classification; not a general equal-ranking law

S14 — Digital Services Act transparency database and data access

• Publisher/date: European Commission
• URL: https://digital-strategy.ec.europa.eu/en/policies/dsa-brings-transparency
• What it supports: Description of decisions databases and researcher access

S15 — AI Risk Management Framework

• Publisher/date: NIST, 2023
• URL: https://www.nist.gov/itl/ai-risk-management-framework
• What it supports: Voluntary risk framework: validity, transparency, harms, fairness, contestability

S16 — AG-UI: Agent–User Interaction Protocol

• Publisher/date: AG-UI maintainers
• URL: https://github.com/ag-ui-protocol/ag-ui
• What it supports: Event-based communication between interactive agents and user interfaces; not GEO or AEO

S17 — GEO: Generative Engine Optimization

• Publisher/date: Aggarwal et al., 2023/2024, preprint
• URL: https://arxiv.org/abs/2311.09735
• What it supports: Controlled generative visibility experiments; not proof of live traffic lift

S18 — Cognitive Liberties homepage

• Publisher/date: CognitiveLiberties.com, observed 2026-10-11
• URL: https://cognitiveliberties.com/
• What it supports: Current site uses privacy-centric message while also addressing publisher discoverability and AI training

S19 — Cognitive Liberty Resource Navigator

• Publisher/date: CognitiveLiberties.com, observed 2026-10-11
• URL: https://cognitiveliberties.com/cognitive-liberty-resource-navigator
• What it supports: Accessible, problem-based navigator with eight entry questions and maintained records

S20 — Cognitive Liberty Network

• Publisher/date: CognitiveLiberties.com, observed 2026-10-11
• URL: https://cognitiveliberties.com/cognitive-liberty-network
• What it supports: Accessible curated network

S21 — Cognitive Liberty Research Evidence Ledger

• Publisher/date: CognitiveLiberties.com, observed 2026-10-11
• URL: https://cognitiveliberties.com/research-evidence
• What it supports: Accessible public evidence ledger; disproves older claim of broken page

S22 — Cognitive Liberty Organizations Directory

• Publisher/date: CognitiveLiberties.com, observed 2026-10-11
• URL: https://cognitiveliberties.com/cognitive-liberty-organizations
• What it supports: Accessible organizations directory; disproves older claim of broken page

S23 — Cognitive Liberty Privacy Standards Directory

• Publisher/date: CognitiveLiberties.com, observed 2026-10-11
• URL: https://cognitiveliberties.com/cognitive-liberty-standards
• What it supports: Accessible standards directory; disproves older claim of broken page

S24 — Right to seek, receive and impart information

• Publisher/date: United Nations Rule of Law
• URL: https://www.un.org/ruleoflaw/en/thematic-areas/governance/freedom-of-information
• What it supports: Explains Article 19 access and expression rights

S25 — Global Roadmap for Multilingualism in the Digital Era

• Publisher/date: UNESCO, 2025/2026
• URL: https://www.unesco.org/en/global-roadmap-multilingualism
• What it supports: Recommendations for language technologies and equitable representation

S26 — GEO guidance release

• Publisher/date: Google Search Central Blog, May 15 2026
• URL: https://developers.google.com/search/blog/2026/05/a-new-resource-for-optimizing
• What it supports: Current official guidance distinguishes common GEO myths