{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001282},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000830","487:4870002871","487:4870000673","487:4870001011","487:4870000917","487:4870003676","487:4870001003","487:4870001287","490:4900012997","487:4870002112","490:4900004538","490:4900001984","490:4900003180","487:4870001104","487:4870000916","490:4900003060","490:4900002750","487:4870001280","490:4900012415","490:4900012487","490:4900002601","490:4900001829","490:4900002890","490:4900003306","487:4870002747"],"twin_admin_codes":[487,487,487,487,487,487,487,487,490,487,490,490,490,487,487,490,490,487,490,490,490,490,490,490,487],"twin_sims":[0.6790947626825427,0.5370008427771684,0.41753567218458915,0.41729846796572223,0.38535559235505906,0.35566408282211115,0.3441409846553927,0.33978861985484915,0.2969420017741839,0.29554711478505125,0.2686879934682856,0.24829570526544856,0.2387998277690173,0.232637980687116,0.22251546424205246,0.22220528560901417,0.22116775152875864,0.22100051522517136,0.22018375878773816,0.21919845546477124,0.21551684054940765,0.21476497958069524,0.21449307910010962,0.21438294278710762,0.21073884876247784],"twin_dists":[0.11425923077607832,0.14482672233243887,0.17164919932934564,0.17170503188398792,0.1793574432427203,0.18674565604212046,0.18969713797742951,0.1908254960448361,0.20238916373507623,0.20278120290209253,0.21055730358617594,0.21678809414513658,0.21980117378795722,0.22179823071158514,0.22515596970825963,0.22526044606702902,0.22561062434146648,0.2256671709715234,0.2259437481160032,0.22627831591403016,0.22753744984329527,0.2277963681520527,0.22789015308601968,0.2279281645579318,0.22919337521593888],"n_dims_used":43,"mean_confidence":0.9108574445857558},"coverage":{"mean_confidence":0.9108574445857558,"n_dims_used":43,"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}}