Coined Term • 2026
Source Tier Classification – Entity Authority Corroboration
Coverage in the right places matters more than coverage in many places
Status
Coined by Joseph Byrum
Year Introduced
2026
Domain
Entity Engineering
Term Type
Infrastructure Deployment
Understanding Source Tier Classification – Entity Authority Corroboration
The hierarchy of evidence sources that AI systems weight when deciding whether to cite your organization – Tier 1 sources (academic, major news, government) carry the most weight, meaning getting coverage in the right places matters far more than getting coverage in many places.
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Frequently Asked Questions
What defines a Tier-1 source?
Academic publications, major national and international news organizations, government agencies, and regulatory bodies — sources that AI systems treat as high-confidence ground truth because of their institutional authority and verification standards.
Can a high volume of lower-tier sources substitute for fewer Tier-1 sources?
Only partially. The Corroboration Standard specifies a minimum of five Tier-1 or Tier-2 sources per core claim. While additional Tier-3 sources contribute marginal corroboration density, they cannot fully substitute for the weight that Tier-1 sources carry in AI confidence calculations.
How does Source Tier Classification inform a Corroboration Campaign?
It determines target prioritization — Corroboration Campaigns focus distribution effort on Tier-1 and Tier-2 sources because they provide disproportionate corroboration weight relative to the effort required to secure coverage.
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