{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001867},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["466:4660011829","490:4900003884","487:4870011464","490:4900006160","490:4900000485","490:4900001172","490:4900001990","490:4900000387","470:4700005260","493:4930006228","490:4900006035","490:4900001408","490:4900000887","490:4900006892","490:4900000717","490:4900000557","494:4940007906","490:4900001579","490:4900005780","487:4870011456","490:4900001189","490:4900005665","470:4700005561","466:4660001228","494:4940008602"],"twin_admin_codes":[466,490,487,490,490,490,490,490,470,493,490,490,490,490,490,490,494,490,490,487,490,490,470,466,494],"twin_sims":[0.38019209959616046,0.32849106564264513,0.26262613688545744,0.21887387801969596,0.20749913736366377,0.20570892088012283,0.202572370617097,0.1917648441294086,0.1893245956391403,0.18832374058594895,0.17970295517330828,0.17533625062758817,0.16959605200948938,0.16863599563732057,0.16051660603201381,0.14892722349489063,0.14341757018946813,0.14134309703220949,0.14068002241203206,0.13717565662932457,0.13664359759303446,0.1287112552392768,0.12845197946270165,0.1274663902010453,0.12157341185324412],"twin_dists":[0.18062162158538894,0.19379133083597647,0.21237745468063726,0.22638874955130764,0.2303307168399529,0.23096439438548957,0.23208378797471757,0.23603489709665498,0.23694832657037765,0.23732534561975932,0.24063258004325155,0.24235078475550423,0.244656498432216,0.24504757078733966,0.24842092890624967,0.2534581411636789,0.2559545645654984,0.25691294512825463,0.2572214837177538,0.2588703819481895,0.25912347455640716,0.2629875769536687,0.2631168740936463,0.26361018271517783,0.26662172513739907],"n_dims_used":45,"mean_confidence":0.9077633327907986},"coverage":{"mean_confidence":0.9077633327907986,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}