{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":496,"cluster_id":4960008480},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940008622","496:4960005966","494:4940008692","496:4960008264","496:4960008857","487:4870007902","490:4900000022","478:4780008768","496:4960008486","478:4780009775","490:4900001004","494:4940008235","496:4960008280","490:4900001085","496:4960009379","487:4870003671","494:4940007513","494:4940008538","490:4900003212","494:4940008444","494:4940008393","494:4940004178","496:4960008960","490:4900002631","487:4870007181"],"twin_admin_codes":[494,496,494,496,496,487,490,478,496,478,490,494,496,490,496,487,494,494,490,494,494,494,496,490,487],"twin_sims":[0.47438154782869674,0.44987175493108145,0.425687197990709,0.3997173917467878,0.36384717499157887,0.3399882604268321,0.31486627985027693,0.30716706216696466,0.29132551988510597,0.2877571076473759,0.2797854933576241,0.27732332115816366,0.2730929291928421,0.26693201731882527,0.26022995309828467,0.25652554739839994,0.25622174167255873,0.25505193423256056,0.2540347860972199,0.24999828616763628,0.2491733721594818,0.24673846626290574,0.24582593800562497,0.2433400231116185,0.24302816146869063],"twin_dists":[0.1586110836102749,0.16415567250116603,0.16973859944038414,0.17588261754485143,0.1846796347787752,0.19077357029122308,0.1974440136306286,0.1995477017496116,0.20397440586106416,0.2049910314999763,0.20728977724073655,0.208007785635933,0.20925058361995255,0.21108190573860788,0.21310417593744865,0.2142359893729099,0.21432926825980245,0.21468909505948439,0.21500281600993154,0.21625574124989347,0.21651337963778092,0.2172770552250165,0.2175645039813231,0.21835107702276144,0.2184501193252957],"n_dims_used":45,"mean_confidence":0.9168731689453125},"coverage":{"mean_confidence":0.9168731689453125,"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}}