{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000293},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000346","490:4900000112","490:4900000133","490:4900000154","490:4900000965","490:4900000104","490:4900000237","490:4900000400","490:4900000138","490:4900000332","496:4960007935","490:4900000062","490:4900000512","490:4900000209","490:4900000966","490:4900001075","487:4870003983","490:4900000245","490:4900000100","490:4900000239","490:4900000292","496:4960005709","478:4780007860","490:4900000339","490:4900000611"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,487,490,490,490,490,496,478,490,490],"twin_sims":[0.6409836324343221,0.4849770012939815,0.42596331927458064,0.3400386488828805,0.29357663365954056,0.2743520264249293,0.2633547351825274,0.25785660007748623,0.25648456032683764,0.23721468801291196,0.226626621162744,0.19626456052777586,0.1901464471384414,0.1889719325470033,0.1880992944569544,0.17817138084399556,0.17595235066874904,0.17583877889696672,0.17418011060766586,0.1680571867343732,0.16697321505911525,0.16267848085711797,0.16099187733935486,0.15939010583566413,0.14869417088161208],"twin_dists":[0.12248911160861777,0.15624433149545963,0.16967415016834653,0.1907604670315097,0.2033368802901231,0.2088794623171659,0.21215730761305,0.2138281311882556,0.21424856974470435,0.2203116700988722,0.2237802960354571,0.2343715826421191,0.23663977888881058,0.23708101414052868,0.23741008631368488,0.24123180932311902,0.24210653182136246,0.2421515115024961,0.24281079318699836,0.24528411865063515,0.2457286988186934,0.24751089415271318,0.24822010539334485,0.24889865815773024,0.2535623422142179],"n_dims_used":45,"mean_confidence":0.9085193210177951},"coverage":{"mean_confidence":0.9085193210177951,"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}}