{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002501},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001896","490:4900001617","490:4900001735","490:4900001890","490:4900001886","490:4900001887","490:4900002040","490:4900001208","490:4900002039","490:4900002197","490:4900001619","490:4900001458","490:4900000733","490:4900004863","490:4900000952","490:4900005401","490:4900000626","470:4700006883","490:4900001746","490:4900002808","469:4690003476","496:4960011897","466:4660002248","490:4900003080","490:4900000607"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,470,490,490,469,496,466,490,490],"twin_sims":[0.4508066368780822,0.35397607064407555,0.30930843901070604,0.28845182044007933,0.2818823708059448,0.2645008989927264,0.2563350003446812,0.25472317811015416,0.24111139072072182,0.24060664488666358,0.23130940594402924,0.21204064274440548,0.20914798375592658,0.20788100449933158,0.20672517850387315,0.20650621023004562,0.20349397246959583,0.20172180376946167,0.1945083481871841,0.1935755539584563,0.19062449157298592,0.1891458007515848,0.183156334556703,0.1748694701515091,0.17476122896638893],"twin_dists":[0.16394222482932605,0.1871748628474187,0.19895960277298858,0.2047925231947374,0.20668131566492332,0.2118117617304124,0.21429448574568577,0.21479040697420906,0.21906066870638174,0.2192219683518991,0.2222333539386673,0.22873971010473854,0.22975037032212722,0.23019603175671202,0.23060421276227047,0.23068171699270154,0.23175365495062938,0.23238939170481934,0.23501757908570428,0.23536234154294502,0.23646073522202105,0.2370155755394484,0.23929459425349622,0.24253624755779002,0.242579304727582],"n_dims_used":45,"mean_confidence":0.9155888875325521},"coverage":{"mean_confidence":0.9155888875325521,"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}}