FCD-CORE-2B: Bias Breaker Protocol (Protocol 2B): A Falsification-Oriented Structural Test for Empirical Visibility

This record contains the preregistered specification of the Bias Breaker Protocol (Protocol 2B), a falsification-oriented procedure to test empirical visibility of a proposed structural invariant. The deposit includes the frozen protocol document, cryptographic SHA-256 hashes, and the hashing script for reproducibility and auditability. No implementation, datasets, or results are included in this record. This deposit serves as a methodological preregistration and version lock. Any future implementation or result must explicitly reference this protocol version and its hashes.