{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003635},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003773","490:4900002369","490:4900004193","490:4900003640","490:4900003639","490:4900004336","490:4900003241","490:4900005422","490:4900003239","490:4900003632","490:4900003630","490:4900003240","490:4900003244","490:4900004331","490:4900002965","490:4900003777","490:4900002816","490:4900007303","490:4900003374","490:4900002368","490:4900003501","490:4900004335","490:4900003774","490:4900003238","490:4900005419"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4807526308903449,0.4650720813695007,0.45593314862043044,0.4266711324580035,0.4199866526399797,0.40731207124166247,0.3994902660718301,0.35949687024842003,0.3406264769868936,0.32752362725168016,0.3219624052479114,0.3066767319063814,0.30400248376669736,0.2626196406310287,0.24465960530814465,0.2445395151117781,0.24391185302167018,0.24238176031780745,0.23949271078368023,0.23895770667981764,0.23165702921039194,0.22770615785293508,0.221922446006769,0.22045717625121902,0.21513852658720367],"twin_dists":[0.15718595205382835,0.16070495790800282,0.16277466266593024,0.16950901892145218,0.1710730831954763,0.17406821547152884,0.17593711724248146,0.18577498418189073,0.19060768220751612,0.19404787730289785,0.19553081708655612,0.19968269591604523,0.20042115475281397,0.21237941925161435,0.21793290359632025,0.21797089968752706,0.21816968577624637,0.21865566808261394,0.21957872291504707,0.21975044968356144,0.22211934490282514,0.22342181350757317,0.2253557988173798,0.2258510847889241,0.22766765349921503],"n_dims_used":44,"mean_confidence":0.8959123438054865},"coverage":{"mean_confidence":0.8959123438054865,"n_dims_used":44,"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}}