{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013096},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012888","490:4900013241","490:4900013097","490:4900012488","490:4900012538","490:4900012489","490:4900013031","490:4900013271","490:4900013246","490:4900012941","490:4900013207","490:4900013270","490:4900013069","490:4900012694","490:4900012410","490:4900012415","490:4900013210","490:4900013140","490:4900012476","490:4900012890","487:4870000828","490:4900012417","490:4900012275","490:4900012992","490:4900013178"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490],"twin_sims":[0.6329171862277625,0.539867903473302,0.5114691945333094,0.4639616762815069,0.45010821365670767,0.3283847611711956,0.2951231718214727,0.28545628616204083,0.2495751805947871,0.2349173680579681,0.2325341394509361,0.23127791329181174,0.2272076953090649,0.22678639409368045,0.2119657267079583,0.21031484765909253,0.21003703021154363,0.20775990069068456,0.20598547181857532,0.20345736952656157,0.2024159317377179,0.20023716992245058,0.19549273673976866,0.1903277432135818,0.18717048819757767],"twin_dists":[0.12422081492765011,0.14420522828944402,0.15039307728539142,0.16095566114711146,0.16410166976732699,0.19381950039416485,0.2029005699819725,0.20565052984189355,0.21638781816781874,0.22105549221832707,0.2218321809284357,0.2222436880673262,0.22358719806148514,0.22372716887099794,0.22876576646813854,0.22934154679721136,0.22943874304966475,0.2302387269627813,0.23086625910272138,0.23176674714218945,0.23213992929184266,0.23292494273083178,0.23465499048305233,0.23657184045712085,0.2377615169584644],"n_dims_used":45,"mean_confidence":0.915045420328776},"coverage":{"mean_confidence":0.915045420328776,"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}}