{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001726},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002932","490:4900002027","490:4900003487","490:4900002486","490:4900003350","490:4900001045","490:4900000495","490:4900001293","490:4900003224","490:4900000695","490:4900000348","494:4940007920","494:4940008024","490:4900000899","490:4900003484","490:4900002185","490:4900004045","490:4900003057","490:4900003194","490:4900000912","490:4900005668","490:4900001725","490:4900001191","490:4900000286","466:4660011195"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,494,494,490,490,490,490,490,490,490,490,490,490,490,466],"twin_sims":[0.7018873204105727,0.6284709007390425,0.6220658894630811,0.5207984240983212,0.5027743779022681,0.4894424009187081,0.4870610507533819,0.4797653422254152,0.474576330512132,0.46261334769788326,0.45320814950427135,0.45293537406573503,0.4520186639225617,0.45114236748852693,0.44913872100738966,0.44844766064926944,0.4483103336717511,0.43576676225357336,0.4294443539371145,0.42687001164760063,0.42663134418422993,0.4264573700308534,0.4075874132041225,0.40713089119257695,0.4023012507782894],"twin_dists":[0.1092772302294594,0.12517442305803145,0.12654724529545183,0.1483519395388228,0.15230393500776895,0.15525173539421866,0.15578073128448414,0.1574063960811777,0.15856742123570364,0.16126036363942545,0.16339467571651328,0.16345681489375644,0.1636657458776041,0.16386561273629743,0.16432315125627495,0.1644811341361506,0.16451253927697168,0.16739689156823487,0.16886311664920517,0.16946264122411678,0.16951829843226449,0.16955887727597058,0.17400272044844917,0.1741113231012133,0.17526359630797128],"n_dims_used":45,"mean_confidence":0.9157775031195746},"coverage":{"mean_confidence":0.9157775031195746,"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}}