{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010666},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011374","490:4900011159","490:4900011238","490:4900011375","490:4900011162","490:4900011158","490:4900011082","490:4900010757","490:4900008120","490:4900010998","490:4900010677","490:4900011160","490:4900008123","490:4900011369","490:4900011305","490:4900011085","490:4900011084","490:4900010580","490:4900011004","490:4900010512","490:4900010411","490:4900010759","490:4900011320","490:4900011565","490:4900011005"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.449323138899934,0.34362221593555836,0.31307125267444486,0.2822067547812756,0.27982834992146965,0.27687610525872297,0.26649420133587914,0.2463016746159842,0.24309939813642356,0.24224925165706862,0.24129565731908634,0.2287914685482953,0.21989023384552964,0.19717161725502372,0.1857500328571282,0.18307625814415632,0.18195982191297255,0.17975102470272084,0.17540707240214654,0.17516896383810013,0.1734208149610654,0.16841743740247073,0.16537477922160246,0.1612250463729186,0.15771234003658788],"twin_dists":[0.16428100703400889,0.18983122858896323,0.19793182657974467,0.2065874326926137,0.2072773136907901,0.20813861727914953,0.21121303788007306,0.2174145602532031,0.21842748845505644,0.2186978482340698,0.2190018379279096,0.22306254610770346,0.22604331182212253,0.23403950361799902,0.23830134666619038,0.2393254165117598,0.23975613916798816,0.24061383153337007,0.24232267637385335,0.24241721118961138,0.24311409095913597,0.24513682252579147,0.24638809282340787,0.24812173840039004,0.24961474656129407],"n_dims_used":45,"mean_confidence":0.8920148213704427},"coverage":{"mean_confidence":0.8920148213704427,"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}}