{ "by_source_tier1": { "eval": { "BOL": 318, "catalog": 582 }, "train": { "BOL": 575, "catalog": 325 } }, "coverage_note": "Two matched 900-record splits (eval and train) drawn from the expert-validated catalog and bill-of-lading pools. The splits share identical HS6 coverage but differ in per-code counts and source mix; per-split distributions are reported separately below. Catalog gold labels are the domain-expert verdict; confidence_tier reflects the expert assessment. Balanced by water-fill across every HS4 code, then HS6 within each.", "distributions": { "eval": { "boundary_records": { "tagged": 718, "untagged": 182 }, "by_confidence_tier": { "high": 525, "low": 3, "medium": 372 }, "by_difficulty_tag": { "2804_gas_purity": 24, "3707_photochemical": 29, "8471_adp_splits": 16, "8486_process_stage": 81, "8504_power_splits": 81, "8536_connection_splits": 38, "8541_siblings": 81, "8541_vs_8542": 55, "8542_ic_function": 81, "9027_analysis_splits": 6, "9030_measurement_splits": 81, "9031_inspection_splits": 81, "amplifier_boundary": 7, "cable_vs_connector": 6, "crystal_substrate_boundary": 16, "display_module_boundary": 2, "doped_vs_undoped": 18, "furnace_boundary": 20, "led_device_vs_luminaire": 3, "machine_with_function": 4, "parts_attribution": 13, "sensor_boundary": 15, "storage_boundary": 45 }, "by_hs2": { "28": 73, "37": 29, "38": 57, "71": 5, "73": 2, "76": 8, "84": 166, "85": 379, "90": 179, "94": 2 }, "by_hs4": { "2804": 24, "2805": 4, "2826": 16, "2844": 1, "2850": 28, "3707": 29, "3818": 57, "7104": 5, "7320": 1, "7326": 1, "7616": 8, "8443": 1, "8471": 16, "8473": 68, "8486": 81, "8504": 81, "8513": 2, "8514": 22, "8516": 1, "8517": 11, "8518": 1, "8523": 34, "8524": 3, "8526": 2, "8536": 38, "8538": 3, "8541": 81, "8542": 81, "8543": 7, "8544": 12, "9001": 2, "9013": 1, "9025": 7, "9027": 6, "9029": 1, "9030": 81, "9031": 81, "9405": 2 }, "by_hs6": { "280410": 4, "280440": 15, "280461": 5, "280530": 4, "282612": 1, "282619": 15, "284430": 1, "285000": 28, "370710": 3, "370790": 26, "381800": 57, "710499": 5, "732090": 1, "732690": 1, "761699": 8, "844332": 1, "847130": 1, "847150": 15, "847330": 68, "848610": 20, "848620": 21, "848640": 20, "848690": 20, "850431": 27, "850440": 26, "850450": 27, "850490": 1, "851310": 2, "851419": 22, "851680": 1, "851762": 11, "851840": 1, "852351": 34, "852491": 3, "852691": 2, "853610": 1, "853650": 16, "853669": 21, "853890": 3, "854110": 9, "854121": 9, "854129": 9, "854130": 9, "854141": 9, "854142": 8, "854149": 9, "854151": 9, "854160": 9, "854190": 1, "854231": 20, "854232": 20, "854233": 20, "854239": 21, "854370": 7, "854442": 12, "900190": 2, "901380": 1, "902519": 6, "902590": 1, "902710": 4, "902750": 2, "902910": 1, "903033": 4, "903039": 2, "903040": 1, "903082": 36, "903084": 2, "903090": 36, "903141": 26, "903149": 4, "903180": 40, "903190": 11, "940542": 2 }, "by_segment": { "component": 413, "end_product": 34, "equipment": 113, "material": 164, "metrology": 176 } }, "train": { "boundary_records": { "tagged": 753, "untagged": 147 }, "by_confidence_tier": { "high": 566, "low": 11, "medium": 323 }, "by_difficulty_tag": { "2804_gas_purity": 24, "3707_photochemical": 28, "8471_adp_splits": 18, "8486_process_stage": 81, "8504_power_splits": 78, "8536_connection_splits": 38, "8541_siblings": 83, "8541_vs_8542": 37, "8542_ic_function": 81, "9027_analysis_splits": 6, "9030_measurement_splits": 79, "9031_inspection_splits": 79, "amplifier_boundary": 6, "cable_vs_connector": 15, "crystal_substrate_boundary": 18, "display_module_boundary": 3, "doped_vs_undoped": 33, "furnace_boundary": 9, "led_device_vs_luminaire": 8, "machine_with_function": 2, "parts_attribution": 10, "populated_board_boundary": 14, "process_vs_metrology": 6, "sensor_boundary": 37, "storage_boundary": 72 }, "by_hs2": { "28": 74, "37": 28, "38": 56, "71": 5, "73": 4, "76": 8, "84": 169, "85": 379, "90": 175, "94": 2 }, "by_hs4": { "2804": 24, "2805": 4, "2826": 16, "2844": 3, "2850": 27, "3707": 28, "3818": 56, "7104": 5, "7320": 3, "7326": 1, "7616": 8, "8443": 3, "8471": 18, "8473": 67, "8486": 81, "8504": 78, "8513": 5, "8514": 21, "8516": 1, "8517": 11, "8518": 1, "8523": 33, "8524": 3, "8526": 2, "8536": 38, "8538": 3, "8541": 83, "8542": 81, "8543": 7, "8544": 12, "9001": 2, "9013": 1, "9025": 7, "9027": 6, "9029": 1, "9030": 79, "9031": 79, "9405": 2 }, "by_hs6": { "280410": 4, "280440": 15, "280461": 5, "280530": 4, "282612": 1, "282619": 15, "284430": 3, "285000": 27, "370710": 3, "370790": 25, "381800": 56, "710499": 5, "732090": 3, "732690": 1, "761699": 8, "844332": 3, "847130": 3, "847150": 15, "847330": 67, "848610": 20, "848620": 21, "848640": 20, "848690": 20, "850431": 26, "850440": 25, "850450": 26, "850490": 1, "851310": 5, "851419": 21, "851680": 1, "851762": 11, "851840": 1, "852351": 33, "852491": 3, "852691": 2, "853610": 1, "853650": 16, "853669": 21, "853890": 3, "854110": 9, "854121": 9, "854129": 9, "854130": 9, "854141": 9, "854142": 10, "854149": 9, "854151": 9, "854160": 9, "854190": 1, "854231": 20, "854232": 20, "854233": 20, "854239": 21, "854370": 7, "854442": 12, "900190": 2, "901380": 1, "902519": 6, "902590": 1, "902710": 4, "902750": 2, "902910": 1, "903033": 4, "903039": 2, "903040": 1, "903082": 35, "903084": 2, "903090": 35, "903141": 25, "903149": 4, "903180": 39, "903190": 11, "940542": 2 }, "by_segment": { "component": 410, "end_product": 41, "equipment": 114, "material": 163, "metrology": 172 } } }, "hashes": { "file_sha256": { "eval.json": "c0e509f66525740f27d554fa362e029e50d75984910ca1f0e5451221ac3602da", "hs6_descriptions.csv": "6f846068b5c1c539b0f3e5e3422356c7b3a1f52f791faaa0e9f3213b80c2f45b", "record_schema.json": "7f315b0c825cb7daae3744137ab7aede78b81e4c84dd99a5df7bb745d760db4b", "reference_corpus.jsonl": "69468c6732313da04548897837155dcefa528d10aec9722ecfbd2cb33dc209ec", "reference_corpus_schema.json": "023307ff7190cc31d9fd1cbade3a6dc68124ac2d2a73c4265c1bfb71edad4e06", "taxonomy.csv": "cd004946190c67d656542c07ded023d0502ccaf117ba53a58b27994c6f72de8f", "train.json": "f4550b96c6fbbbc1167e7b8610130daf87fab4f3d287be68142d0b4f9ce58063" } }, "hs4_allocation": { "eval": { "2804": 24, "2805": 4, "2826": 16, "2844": 1, "2850": 28, "3707": 29, "3818": 57, "7104": 5, "7320": 1, "7326": 1, "7616": 8, "8443": 1, "8471": 16, "8473": 68, "8486": 81, "8504": 81, "8513": 2, "8514": 22, "8516": 1, "8517": 11, "8518": 1, "8523": 34, "8524": 3, "8526": 2, "8536": 38, "8538": 3, "8541": 81, "8542": 81, "8543": 7, "8544": 12, "9001": 2, "9013": 1, "9025": 7, "9027": 6, "9029": 1, "9030": 81, "9031": 81, "9405": 2 }, "train": { "2804": 24, "2805": 4, "2826": 16, "2844": 3, "2850": 27, "3707": 28, "3818": 56, "7104": 5, "7320": 3, "7326": 1, "7616": 8, "8443": 3, "8471": 18, "8473": 67, "8486": 81, "8504": 78, "8513": 5, "8514": 21, "8516": 1, "8517": 11, "8518": 1, "8523": 33, "8524": 3, "8526": 2, "8536": 38, "8538": 3, "8541": 83, "8542": 81, "8543": 7, "8544": 12, "9001": 2, "9013": 1, "9025": 7, "9027": 6, "9029": 1, "9030": 79, "9031": 79, "9405": 2 } }, "hs_version": "HS2022", "ready_for_distribution": true, "record_count": { "eval": 900, "total": 1800, "train": 900 }, "reference_corpus": { "by_jurisdiction": { "EU-AT": 1, "EU-BG": 1, "EU-CZ": 11, "EU-DE": 91, "EU-DK": 3, "EU-EN": 164, "EU-ES": 2, "EU-FR": 45, "EU-HU": 2, "EU-IT": 17, "EU-NL": 38, "EU-PL": 11, "EU-SK": 3, "JP": 100, "US": 400 }, "by_source": { "CROSS": 400, "EBTI": 389, "JP_CUSTOMS": 100 }, "entries": 889 }, "schema_version": "2.0.0", "split_scheme": "matched train + eval splits (900 records each, identical HS6 coverage)" }