How do prior hearing and the authenticity of a particular report relate?

The Meeting Condition in Muʿanʿan Hadith: Muslim’s Rejoinder and Route Comparison

• Prior hearing informs continuity, while anomalies, errors and other criteria still need assessment
• All reports become certain and mass-transmitted after prior hearing
• Once prior hearing is known, examining precision is impermissible
• Prior hearing always proves direct hearing of this exact report