{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000026},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000474","491:4910000030","491:4910000523","491:4910000374","491:4910000422","491:4910000043","492:4920006621","491:4910000019","491:4910000373","491:4910000096","490:4900000853","491:4910000632","491:4910000023","491:4910000372","491:4910000675","490:4900000977","491:4910000116","492:4920006622","491:4910000193","492:4920006660","491:4910000123","491:4910000071","491:4910000614","491:4910000465","491:4910000144"],"twin_admin_codes":[491,491,491,491,491,491,492,491,491,491,490,491,491,491,491,490,491,492,491,492,491,491,491,491,491],"twin_sims":[0.75801529112675,0.5019583578978848,0.43257550904958786,0.4136794369451856,0.3775062481572293,0.29081108204076994,0.25821258125355767,0.2580627830697703,0.2274119968774536,0.21313056446739842,0.17764845346258376,0.17369266070991082,0.16694581746549078,0.1638520318193583,0.15919882458786103,0.15276368140768598,0.15245888386730028,0.14363105915405847,0.13375010708439503,0.13250809235450442,0.1297915784895598,0.1230903954650603,0.11310330437183183,0.11039734721830798,0.10938888102927048],"twin_dists":[0.09667613283038161,0.15248372298870438,0.16813589252227884,0.17255856849139148,0.18128246970211073,0.20412050734211154,0.21371927764187107,0.21376507206810375,0.2235193839452109,0.22836133035350542,0.24143724211724216,0.24300539439546123,0.24573996257123432,0.24702055810836496,0.24898002096438207,0.25175981720569396,0.2518935909462216,0.25585652124109254,0.26051294772174316,0.2611163023563388,0.2624509447673436,0.26583605683933603,0.2711519085504779,0.2726541060005428,0.27322123012924526],"n_dims_used":45,"mean_confidence":0.8905493842230903},"coverage":{"mean_confidence":0.8905493842230903,"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}}