{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001598},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001491","480:4800001709","480:4800001546","480:4800001659","480:4800001766","480:4800001490","480:4800001439","480:4800001946","480:4800001438","480:4800001708","480:4800001433","480:4800001824","480:4800001550","480:4800001318","480:4800001319","480:4800001547","480:4800001342","480:4800001657","480:4800001548","480:4800001497","480:4800001882","480:4800001327","480:4800001552","480:4800002442","480:4800001656"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.7185449893930967,0.6926701515749599,0.6431382723133313,0.6365111316784158,0.6347557299089989,0.6238423407479001,0.5835333808630708,0.5735981983201743,0.540801297784226,0.4796297592796251,0.4562365720286771,0.45053975968750093,0.4121902595558345,0.3915527232495477,0.39112580099165073,0.39066241430159554,0.3834694902573477,0.38056026895188394,0.37961114719224703,0.36610018009207873,0.36266846235768946,0.3536339323250696,0.34418153633398507,0.3386642851278163,0.33621852201499086],"twin_dists":[0.10559474077829585,0.1112989295355862,0.12202612267784492,0.12344955976943839,0.12382632082758992,0.12616657741987347,0.13480116195954367,0.13693306338036546,0.14400303173847356,0.15743668062997107,0.16270570916413568,0.16400314006510605,0.17291072328725093,0.17785077946735808,0.17795421293131933,0.1780665406283823,0.1798182716517334,0.18053121063868546,0.18076437150110233,0.18411496421814136,0.18497575903926383,0.1872619866633205,0.18968666076474505,0.19111823775813702,0.19175685185284863],"n_dims_used":43,"mean_confidence":0.9198473553324855},"coverage":{"mean_confidence":0.9198473553324855,"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}}