{ "status": "PASS", "records": 50, "independently_checked": 50, "unique_ids": 50, "semantic_duplicates": 0, "group_count": 50, "splits": { "holdout": 5, "train": 36, "test": 6, "validation": 3 }, "errors": [], "validation_scope": "Schema, strict UTF-8/JSON, identities, exact semantic duplicates, source hashes/relationships, attribution, labels, independent computational oracles, recovery replay and grouped split leakage", "near_duplicate_policy": "Scientific normalized text and question 5-shingle grouping; synthetic whole-template groups plus source symmetry-grid grouping. No claim of exhaustive semantic deduplication." }