{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000203},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000828","490:4900000829","490:4900000513","490:4900001078","490:4900000433","490:4900000508","490:4900000288","490:4900001085","490:4900000401","496:4960009169","494:4940008692","490:4900000836","490:4900000286","490:4900002197","490:4900000476","496:4960008968","470:4700001223","496:4960008265","490:4900000352","490:4900000714","490:4900001619","490:4900000729","490:4900000208","494:4940008336","490:4900000287"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,496,494,490,490,490,490,496,470,496,490,490,490,490,490,494,490],"twin_sims":[0.7260202460701378,0.6782623786578977,0.41651528366540497,0.3059666074573319,0.2727239022417751,0.2700995725880361,0.2683904701948746,0.26114259523356265,0.253694817943345,0.24510266024471072,0.23925945702198034,0.2390678748188418,0.2363220367433696,0.22685557549202756,0.22566346663660358,0.21598331055895484,0.21565658755556377,0.2135707605098963,0.21224731403980923,0.211564651035323,0.20128613505280624,0.19749428014447912,0.19636365402480002,0.1928025944871048,0.18730997332964186],"twin_dists":[0.10392838185022234,0.11444014485415942,0.17188947248215522,0.19987842321655283,0.20935955417653004,0.21013712920095545,0.21064603943830876,0.2128268942677286,0.21510785082755562,0.21779282658910742,0.21965356249921522,0.219715067244879,0.22060012946014806,0.22370417260128983,0.22410108855145683,0.22737711763156054,0.2274893923398147,0.22820888211655208,0.22866786059214092,0.22890536988385357,0.23254626816117593,0.23392162978294687,0.23433525225244578,0.23564890522697488,0.23770866231173976],"n_dims_used":45,"mean_confidence":0.9159634060329861},"coverage":{"mean_confidence":0.9159634060329861,"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}}