{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000157},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000054","480:4800000055","480:4800000195","480:4800000216","480:4800000215","480:4800000243","480:4800000161","480:4800000021","480:4800000226","480:4800000244","480:4800000162","480:4800000022","480:4800000220","480:4800000245","480:4800000164","480:4800000001","480:4800000165","480:4800000003","480:4800000005","480:4800000255","480:4800000103","480:4800000229","480:4800000188","480:4800000196","480:4800000077"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.7934802426705143,0.7676520844724379,0.6674903425188075,0.5164418743099456,0.506198654307753,0.5009494540929442,0.48129741956452193,0.48078915747271955,0.4416004867381369,0.4219741429348842,0.41250681999266875,0.3699078689043043,0.3407291437366146,0.25763331200263107,0.24273069103078385,0.23648175068973948,0.23407699050907518,0.2275663676414832,0.22018419645156317,0.19854860829477733,0.19727809629075724,0.1896082007633567,0.16486668676635194,0.15350211832453348,0.14280473927951706],"twin_dists":[0.08833883494109598,0.09444628869835779,0.11677592242687546,0.149303987883561,0.15155034827647312,0.15270611874803433,0.157064371980941,0.15717779907907822,0.1660514961084963,0.1706069585934916,0.1728358180747421,0.18316459209864275,0.19058101216883322,0.213896457637459,0.2185446678094347,0.22054846585680005,0.22132877690427613,0.22346817019513662,0.22594359972675157,0.2335373931698513,0.23400059040414878,0.23684174706859998,0.24659865672651765,0.2514365319174825,0.25623660634091233],"n_dims_used":42,"mean_confidence":0.9014248620896113},"coverage":{"mean_confidence":0.9014248620896113,"n_dims_used":42,"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}}