{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004217},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003949","490:4900002990","490:4900004226","490:4900003398","490:4900001246","490:4900002697","490:4900003803","490:4900003792","490:4900004357","490:4900003261","490:4900003255","490:4900003810","490:4900003257","490:4900002698","490:4900004223","490:4900004354","490:4900003654","490:4900003662","490:4900004356","490:4900002995","490:4900003794","490:4900003127","490:4900003535","490:4900002996","490:4900004090"],"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":[0.452532115604496,0.33069406589966754,0.2816890081516565,0.24935551154984673,0.2431451197767049,0.22195237062420686,0.2197474522087795,0.21192425334000792,0.2104931737155743,0.19089233588558457,0.18791657255961916,0.17591545656747604,0.17464042242885638,0.15722141752626131,0.1565047990264884,0.15582991948215213,0.14823001035810296,0.14784015922368998,0.13949480388141883,0.12995556243976936,0.12046546102041658,0.11910076732537288,0.10499488827196393,0.0992531862317953,0.09861271838239931],"twin_dists":[0.16354870383698902,0.19320868390420132,0.20673730964414314,0.21645644669602457,0.21841296560279,0.2253457065958101,0.22609177556259952,0.22878019390271478,0.22927920421245535,0.23636055558318905,0.2374791261635179,0.24212114132567022,0.24262738272908532,0.24982532717193676,0.25013358302357686,0.25042482877452993,0.25377023428308176,0.2539452156098396,0.25777569421392243,0.26236978377854153,0.2672002867377336,0.26791853030986856,0.27574061075395545,0.27915953880908473,0.27955042394272617],"n_dims_used":45,"mean_confidence":0.9185672336154513},"coverage":{"mean_confidence":0.9185672336154513,"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}}