{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000022},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960005966","496:4960008280","490:4900000038","496:4960008480","490:4900000959","496:4960008283","490:4900000036","494:4940008622","494:4940008692","496:4960008391","490:4900000621","496:4960003097","490:4900001085","487:4870005704","490:4900001004","490:4900000476","494:4940000823","487:4870007902","496:4960005840","478:4780008768","496:4960005973","490:4900002631","496:4960006507","496:4960008043","496:4960005962"],"twin_admin_codes":[496,496,490,496,490,496,490,494,494,496,490,496,490,487,490,490,494,487,496,478,496,490,496,496,496],"twin_sims":[0.49928013410272515,0.38614565693430813,0.34932715354963023,0.31486627985027693,0.2843170376346877,0.2685831866311948,0.22415243064252371,0.20909865659212387,0.20896719743316292,0.2015285860969491,0.1891763820077255,0.18817911581131339,0.18670026034369794,0.18337986412311091,0.17909620780178556,0.17382160268712238,0.1685312406508493,0.16504959493833815,0.15882617571586674,0.15841258459135973,0.14282732335990214,0.14215810218733244,0.12508267475512047,0.12231944811014189,0.11926322825736033],"twin_dists":[0.15307436490247223,0.17916472724116222,0.18836246258528147,0.1974440136306286,0.20597826186719256,0.210588555111871,0.22460619882742844,0.2297676867691193,0.22981384947709713,0.23245893711824894,0.23700407005640015,0.23737994127167655,0.23793990277819904,0.23920860563031354,0.24086953531786218,0.24295387989181813,0.24509033876774028,0.24652280190569803,0.24913873434321307,0.24931520311578548,0.25622619657911694,0.25653518357097504,0.26481534473600943,0.266234414065327,0.2678326975930231],"n_dims_used":45,"mean_confidence":0.9182343377007378},"coverage":{"mean_confidence":0.9182343377007378,"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}}