{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990001521},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002516","499:4990001147","499:4990000873","499:4990001441","499:4990001799","499:4990002824","499:4990001239","499:4990001894","499:4990002517","499:4990002436","499:4990002600","499:4990002157","499:4990001896","500:5000004844","499:4990002603","500:5000007721","499:4990001537","500:5000005339","499:4990001448","499:4990001903","499:4990002902","499:4990001623","499:4990001807","499:4990001715","499:4990002519"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,499,499,499,500,499,500,499,500,499,499,499,499,499,499,499],"twin_sims":[0.7875330888605071,0.590075598787337,0.5749598230972266,0.5632005836522127,0.5547670120417417,0.5482319986011123,0.5363594478732754,0.5324804734247339,0.5129131024983322,0.5065462133105653,0.5059981007718016,0.501097510300397,0.48783480548583585,0.47868669336356523,0.4744762176822245,0.472462659584565,0.4673046634150459,0.4642030290467727,0.4623044581259008,0.4572603155814618,0.45417947980513707,0.4519286994885282,0.4501385098244717,0.4465018102933777,0.44285529362345444],"twin_dists":[0.08976382867959651,0.13339881645584456,0.13664068990872708,0.13916818695989214,0.14098496856742068,0.14239560162702833,0.14496584582518895,0.14580793599524997,0.15007656919714496,0.15147393677088547,0.15159444668904046,0.15267347453388908,0.1556087627806783,0.1576474048526426,0.15858986173288725,0.15904153785029088,0.16020151987167416,0.16090115164486288,0.16133021198613104,0.16247318417947135,0.16317351496748211,0.16368625846244841,0.1640947514577719,0.16492646795081845,0.16576301766573562],"n_dims_used":45,"mean_confidence":0.9289198133680555},"coverage":{"mean_confidence":0.9289198133680555,"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}}