{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005945},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005024","490:4900005822","490:4900005027","490:4900006802","490:4900005023","490:4900004345","490:4900004340","490:4900006201","491:4910001400","490:4900005033","490:4900005158","490:4900005946","490:4900007296","490:4900005156","490:4900003920","490:4900006553","490:4900004339","490:4900004052","490:4900004617","490:4900006189","490:4900004887","491:4910001340","490:4900006800","490:4900006197","490:4900005562"],"twin_admin_codes":[490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490],"twin_sims":[0.07818803485827211,0.052468074657006175,0.04771847779197183,0.03596072771472798,0.03302671044018293,0.028896398938503785,0.02582917110859066,0.024978830395621456,0.019086739324229548,0.019056353264882114,0.017475309835708858,0.017177313120368364,0.016590885204152896,0.01489753795895695,0.012894968847369348,0.01271086554556099,0.012307228701936228,0.010484241233996194,0.01046315414488445,0.009325894562468778,0.008198896324391247,0.00800285900733378,0.007818623625345881,0.0074042413296579795,0.007347645725898255],"twin_dists":[0.29321958612044113,0.3153330297563562,0.32036835485867987,0.33493156415530984,0.33919072165856184,0.34577058683451223,0.35120187913398987,0.35280597969632344,0.3654420435665245,0.3655155751736221,0.36949080554378266,0.3702751366159487,0.37185412356337055,0.3767058396470835,0.38311512332276876,0.3837477101186221,0.3851635226168555,0.392121253174771,0.39220784883027826,0.39712553376788423,0.4025587785048651,0.40357152398406104,0.40454377822070825,0.4068079564750246,0.4071259774596603],"n_dims_used":45,"mean_confidence":0.8932242499457466},"coverage":{"mean_confidence":0.8932242499457466,"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}}