{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002892},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002648","480:4800003692","480:4800002701","480:4800002603","480:4800002700","480:4800003061","480:4800002651","480:4800002937","480:4800002647","480:4800002981","480:4800003689","480:4800003752","480:4800003688","480:4800003693","480:4800002668","480:4800002845","480:4800002936","480:4800003018","480:4800003282","480:4800003561","480:4800003101","480:4800003142","480:4800003103","480:4800002801","480:4800003633"],"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":[0.9556889517358028,0.7890232739103133,0.7230832717736407,0.660300314499139,0.6032789959912597,0.5838867418756131,0.5659431975042091,0.5517524600929733,0.5388492961030847,0.5376676146405256,0.5040108723998387,0.45374296935824177,0.3975690499097158,0.3840583407407708,0.3562494950714387,0.35544087130622676,0.31946124586035424,0.3191186007812282,0.31277835674255766,0.2987415570711722,0.2919056847441173,0.27570788666522933,0.26391370103555883,0.2628151786285547,0.23659592428832776],"twin_dists":[0.039101834162855446,0.08940789503506154,0.10458418993801723,0.11832991696125039,0.13057076240753737,0.13472539190600616,0.13857815490250927,0.1416353514247702,0.14442595951107598,0.14468212887040865,0.15203165829555657,0.16327288186382014,0.1763986869893708,0.17967428283179387,0.18659705062563814,0.18680235096472614,0.19620242508002939,0.1962946611051992,0.19801157424192123,0.201884987217954,0.20380982168766312,0.2084809862867933,0.2119886732820597,0.21232029875883593,0.22051154742528456],"n_dims_used":42,"mean_confidence":0.9111495245070684},"coverage":{"mean_confidence":0.9111495245070684,"n_dims_used":42,"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}}