{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001450},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000386","487:4870001163","487:4870000507","487:4870001639","487:4870001643","487:4870001160","487:4870001158","487:4870000643","487:4870001258","487:4870001257","487:4870000438","487:4870001642","487:4870000569","487:4870001259","487:4870001250","490:4900013239","487:4870000894","487:4870001641","487:4870001352","487:4870002706","487:4870001737","487:4870003084","487:4870000146","487:4870001262","487:4870001061"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,490,487,487,487,487,487,487,487,487,487],"twin_sims":[0.7165365658588001,0.6557543262009161,0.616386252870159,0.5885735246750745,0.41609879768931834,0.40286242682406165,0.37035232217787195,0.350204347734319,0.3409650671343033,0.2989752813501716,0.28848571444279,0.27651625633176186,0.25823633460032963,0.2559908231207597,0.24641286121417444,0.24405774911217065,0.24069248099682836,0.23902587613472218,0.23276376692646455,0.23241635646688874,0.22196759181791426,0.220618446646714,0.21669241096869593,0.19875668050461023,0.1982034944305216],"twin_dists":[0.10604090820636444,0.11931063294785796,0.1277639538526321,0.13372070766040278,0.17198761588455289,0.17512939174041017,0.18305397835599396,0.18813774805504394,0.19051974196840124,0.2018196362054489,0.2047828455891496,0.20824398369874042,0.2137120176053386,0.21440021508400897,0.21737954307764076,0.2181234497818607,0.21919452256025246,0.2197285546106526,0.2217571190532078,0.22187070137211803,0.22534057352347708,0.2257964650475675,0.22713383621952404,0.23346173054719013,0.2336630099778989],"n_dims_used":43,"mean_confidence":0.9028495966001998},"coverage":{"mean_confidence":0.9028495966001998,"n_dims_used":43,"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}}