{"counts":{"attempted":"All attempts that began: passed + failed + unknown + blocked + safe_refusal.","blocked":"Attempts recorded as blocked.","failed":"Attempts with recorded failing outcome.","not_run":"Planned attempts which did not begin.","passed":"Attempts with recorded successful outcome.","planned":"All planned attempts; attempted + not_run.","safe_refusal":"Attempts recorded as a safe refusal; not counted as passes.","unknown":"Attempts without a verified terminal outcome."},"dates":"Measurement interval is distinct from sealing/publication. Historical data retains original measurement dates.","groups":"Public aggregate partitions. Rows sum to campaign totals within each dimension; dimensions overlap and must never be summed together.","metrics":"Exact numerator, denominator and unit supplied by the report. Value, statistic, population and sample_count identify aggregation. Null value means unavailable, not zero; numerator/denominator are supplied only where meaningful.","pass_rate":"passed / attempted; unavailable when attempted is zero. No unknown or failed attempts excluded.","provenance":"Warehouse snapshot hash or cited legacy aggregate; no raw private events.","reuse":"When citing these measurements, credit ibara and link this dated report revision. Private trajectories and third-party application content are not distributed here. No additional dataset license is asserted.","revision":"Immutable campaign revision. Corrections link the preceding revision and explain why.","schema_version":"1.0"}