{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006663},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910003106","491:4910003279","490:4900006908","491:4910003490","491:4910003446","491:4910003235","490:4900007643","491:4910003536","491:4910003237","491:4910000001","490:4900006909","492:4920002593","491:4910003278","491:4910001381","491:4910003361","492:4920006488","490:4900006662","491:4910003153","491:4910003105","497:4970002030","497:4970003383","492:4920006543","495:4950000529","490:4900006785","497:4970002264"],"twin_admin_codes":[491,491,490,491,491,491,490,491,491,491,490,492,491,491,491,492,490,491,491,497,497,492,495,490,497],"twin_sims":[0.5756006568724513,0.19182973949164114,0.057647073902636965,0.013196862722455429,0.010281806584473339,0.009346233541266201,0.0009268627952268535,0.0005931812241160233,0.0005524747053210048,0.00025523059322781887,0.00015800898755915658,0.00010346865331344416,0.0000878355695558266,0.00008719341086304578,0.00008482816067510555,0.00008102731816700295,0.00006459819178482848,0.0000616015485062233,0.00005545010900332825,0.00004130272564582381,0.00003814791037313621,0.000031286806050846056,0.000025560453230175144,0.000023881717338277392,0.000023002191363580344],"twin_dists":[0.1365031108541017,0.23601071661675455,0.3102568465667766,0.38209489787553225,0.3929590493250528,0.39703299238655076,0.4853798994239,0.5006492393140425,0.5030387093606559,0.5282984815448267,0.5433927019814877,0.5563796920887053,0.5613236046849975,0.5615440563894445,0.5623695169212505,0.5637427747394534,0.5704824377343986,0.5718851224076398,0.5749796542424261,0.5835566405481905,0.5858488142926331,0.5915298614929015,0.5972663255666213,0.5991817527599617,0.6002371418730411],"n_dims_used":44,"mean_confidence":0.8934277621182528},"coverage":{"mean_confidence":0.8934277621182528,"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}}