{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770003813},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000846","499:4990000243","499:4990000290","477:4770003765","499:4990000294","477:4770003812","477:4770003852","477:4770003649","477:4770003810","477:4770003814","477:4770003892","477:4770003644","477:4770003851","477:4770003947","477:4770003998","499:4990000671","477:4770004003","499:4990001197","499:4990002387","499:4990000916","499:4990001001","499:4990000342","499:4990002560","477:4770004019","499:4990000919"],"twin_admin_codes":[499,499,499,477,499,477,477,477,477,477,477,477,477,477,477,499,477,499,499,499,499,499,499,477,499],"twin_sims":[0.8993927690795336,0.8915815641393481,0.884011037469134,0.8568159492548799,0.8437295281641722,0.8202633967652425,0.8108784886011688,0.8029886424521966,0.7985932866937081,0.7911238069653312,0.7803284718781173,0.7793132658378635,0.7766536111254261,0.7753715625926009,0.7734119194599535,0.7705196746954885,0.7653272093987241,0.7646369343756608,0.7643522414948444,0.7642362546406897,0.7544712555587858,0.7538018013057658,0.74584838369904,0.7409212523505146,0.740636638065309],"twin_dists":[0.059808701608468524,0.062220142441007036,0.06449042671360011,0.07220183921082685,0.07571210324239509,0.08175488591594848,0.08409552371753282,0.08603431655785782,0.08710376792019398,0.08890490727005675,0.09147448947280025,0.09171422829440376,0.09234082092280638,0.09264210892207987,0.09310170872055726,0.09377802986100278,0.09498644112462262,0.09514654106100078,0.09521253534110777,0.09523941603282937,0.09749035095189532,0.09764381806397411,0.09945925919912604,0.10057702534275793,0.10064143899541925],"n_dims_used":44,"mean_confidence":0.9236927032470703},"coverage":{"mean_confidence":0.9236927032470703,"n_dims_used":44,"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}}