{"id":"ssi-visibility-is-timestamp-comparison","text":"`SSIDatabase._visible_value` determines visibility by a single comparison (`commit_ts <= snapshot_ts`) with no active-set tracking, because the deferred-write model guarantees all stored versions are committed","truth_value":"IN","source":"entries/2026/05/29/topic-snapshot-vs-ssi-tradeoffs.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"ssi-visibility-is-timestamp-comparison","truth_value":"IN","reason":"premise"}]}}