{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002988},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001506","490:4900001372","490:4900003804","490:4900004358","490:4900002992","490:4900003252","490:4900004089","490:4900003256","490:4900002695","490:4900003934","490:4900001118","490:4900003251","490:4900001642","490:4900003126","490:4900003661","490:4900003120","490:4900004492","490:4900001377","490:4900002842","490:4900002989","490:4900002993","490:4900003264","490:4900003125","490:4900003387","490:4900004365"],"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":[0.23183980515348657,0.18254629276004347,0.15909244756649646,0.1300399153370303,0.1286831157201661,0.11600687197648223,0.11580216163956829,0.11577446636889925,0.11473755697816997,0.11283663589116324,0.08965768281287205,0.08656857377675138,0.07639937402266753,0.07639281055764906,0.07227499929254673,0.06520344058802834,0.06185958533661686,0.06178390230770263,0.060809119820764625,0.052030217757682296,0.051572352100104205,0.05053365997538121,0.04999751622224163,0.04603848601248011,0.04480907616177411],"twin_dists":[0.2220594455472421,0.23952964599281343,0.2490252999628767,0.26232806490005006,0.26300160019808394,0.26957049982417913,0.26968099055827305,0.26969595037241073,0.27025803419675337,0.27129870865152794,0.28523680450566635,0.28730270468042546,0.29454782272379854,0.29455274255586633,0.2977088711499926,0.30348658478010976,0.3063985634539459,0.3064659495847629,0.3073399823670076,0.315780975496455,0.31625275361894034,0.31733605847412394,0.31790250045858565,0.3222498571988922,0.3236635118748819],"n_dims_used":45,"mean_confidence":0.9167939927842882},"coverage":{"mean_confidence":0.9167939927842882,"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}}