{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011224},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010993","490:4900011497","490:4900011293","490:4900011498","490:4900011891","490:4900011148","490:4900011225","490:4900011431","490:4900011757","490:4900011150","490:4900010491","490:4900011625","490:4900011564","490:4900011366","490:4900010747","490:4900010994","490:4900008325","490:4900008116","490:4900011561","490:4900011892","490:4900008324","490:4900009015","490:4900010992","490:4900011626","490:4900008107"],"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":[0.5490474811567474,0.49420573115433114,0.48064877358732017,0.381406032370324,0.35398584306896197,0.35313789847188737,0.3498542646132482,0.33267810942369364,0.3233171857941862,0.3014847961746594,0.2525479257207409,0.25168849911765145,0.23387493978693663,0.22670323903545286,0.21634488066605542,0.17801373378110966,0.17705620939561392,0.175957558042232,0.1648869513272331,0.1466933016056015,0.14361814887343474,0.13784017416884278,0.12262775507924947,0.11923365188605488,0.11223149196521677],"twin_dists":[0.14221942537960858,0.1541959033824668,0.15720913476492823,0.18032367704713498,0.18717237498994177,0.18738837694498925,0.18822739491757398,0.19268576494154022,0.19516825117558761,0.20111983283490037,0.21546285033361576,0.21572954331780644,0.22139457819936967,0.22375481621657492,0.22725300141095106,0.24129369605594367,0.24167042570369526,0.24210446995619145,0.24659024970833843,0.25446195679031486,0.2558624471232474,0.2585553103224922,0.26607487952654274,0.267848316966835,0.27163283316337244],"n_dims_used":45,"mean_confidence":0.8867366366916233},"coverage":{"mean_confidence":0.8867366366916233,"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}}