{ "candidate_rows_before_sampling": 39098, "columns": [ "pair_id", "pa", "va", "pb", "vb", "va_upload_time", "vb_upload_time", "declared_range", "requirement", "dep_type", "marker_applies", "parent_extra", "environment_id", "vb_in_range", "va_num_prev_releases", "va_size_bytes", "va_num_deps", "vb_num_prev_releases", "vb_size_bytes", "vb_num_deps", "split", "label", "label_reason", "oracle_return_code", "oracle_duration_seconds", "oracle_diagnostic", "oracle_diagnostic_sha256", "oracle_uv_version", "oracle_python_version", "oracle_only_binary", "parent_installable", "dependency_installable", "conflict_type" ], "counts_by_conflict_type": { "compatible": 5600, "explicit_range": 2400 }, "counts_by_split_and_label": { "test": { "0": 840, "1": 360 }, "train": { "0": 3920, "1": 1680 }, "val": { "0": 840, "1": 360 } }, "created_at": "2026-07-29T19:39:34.075480+00:00", "dataset_path": "dataset_mvd_v2_2.parquet", "dataset_sha256": "7834efc509a38c885fbbbc46cedbbed04b461ad08b6e6243793f8bb6b8ccb20b", "dataset_version": "2.2", "dependency_metadata": "PEP 658 metadata from selected CPython 3.11 Linux x86_64 wheel", "environment_id": "cpython-3.11-linux-x86_64-no-extra", "excluded_path": "dataset_mvd_v2_2_excluded.parquet", "excluded_rows": 0, "excluded_sha256": "160dacda632acbcaf02f1e1587a9acdde6626bae41088f716f990accad31da45", "individual_installability_preflight": true, "labelled_rows": 8000, "only_binary": true, "parent_extras": "excluded", "preflight": { "candidates_after_preflight": 39098, "candidates_before_preflight": 39098, "candidates_excluded_by_preflight": 0, "installable_pins": 1538, "unique_pins": 1538 }, "python_version": "3.11", "requested_sample_size": 8000, "sampling_seed": 42, "source": "PyPI version metadata + uv counterfactual resolution", "uv_version": "uv 0.11.15 (x86_64-unknown-linux-gnu)" }