{"id":"btree-structural-integrity-silently-erodes","text":"B-tree structural integrity silently erodes over time: deletions cause monotonic degradation (leaked pages, ever-growing height) while the I/O layer performs no validation to detect or report the resulting inconsistencies.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["btree-delete-causes-monotonic-degradation","btree-page-io-has-no-defensive-checks"],"outlist":[],"label":"Degradation from deletion combines with absent I/O validation to create an unobservable structural decline"}],"dependents":["btree-durability-protects-data-not-structure","storage-has-no-self-healing-at-any-layer"],"metadata":{"last_reviewed":"2026-05-30T09:01:17","review_result":"pass"},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"btree-structural-integrity-silently-erodes","truth_value":"OUT","reason":"SL justification invalid","failed_antecedents":["btree-page-io-has-no-defensive-checks"],"label":"Degradation from deletion combines with absent I/O validation to create an unobservable structural decline"}]}}