{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000445},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000634","490:4900000530","490:4900000531","490:4900000534","494:4940007834","490:4900000533","490:4900000981","490:4900000368","490:4900000984","490:4900000444","490:4900000536","494:4940007935","490:4900000442","490:4900012521","490:4900012373","490:4900000630","490:4900000983","494:4940008454","490:4900000440","490:4900012595","490:4900000441","490:4900000528","494:4940007941","494:4940008158","490:4900000365"],"twin_admin_codes":[490,490,490,490,494,490,490,490,490,490,490,494,490,490,490,490,490,494,490,490,490,490,494,494,490],"twin_sims":[0.398681527046221,0.3174590793885317,0.23656898887555283,0.20146937540197138,0.18638708169489096,0.1632266516583302,0.14756415175694737,0.13406175932087597,0.13304896472097694,0.12051567647255217,0.10642095829768335,0.09714156373124766,0.09703983709036926,0.09093066943028084,0.09007981354846326,0.08589380032466687,0.08345583411142925,0.07630537964002493,0.07401346065758033,0.07382185096417239,0.07220194401673483,0.0704008300191075,0.06749759166125495,0.06730671989223354,0.05727290916602963],"twin_dists":[0.17613129201212868,0.19674217534592545,0.22052025603601869,0.23248025818041027,0.23805888540969508,0.24728153834427985,0.25406930529593397,0.2603622125277424,0.2608530330429709,0.2671739770021412,0.27491411959697865,0.2804558854619435,0.2805188928478696,0.2844018755778504,0.28495890176737476,0.28776175151992905,0.28944461928417453,0.2946183113921766,0.29635914103931726,0.2965066406373187,0.29776616357463487,0.2991937382854343,0.3015585676737346,0.30171692210058115,0.31061066266289067],"n_dims_used":45,"mean_confidence":0.9111745198567708},"coverage":{"mean_confidence":0.9111745198567708,"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}}