{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004619},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003510","490:4900007044","490:4900004896","490:4900007167","490:4900004480","490:4900005942","490:4900004753","490:4900006070","490:4900004895","490:4900006551","490:4900008441","490:4900004203","490:4900004894","490:4900007041","490:4900002241","490:4900010412","490:4900002240","490:4900010573","490:4900010488","490:4900006555","490:4900006677","490:4900002242","490:4900008548","490:4900001935","490:4900006676"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.19749600306776705,0.19732426450447882,0.0823477781384382,0.07588515794411406,0.06619621705287457,0.0530649454196823,0.029390995351187547,0.022489144780042096,0.01960978271507529,0.015747902858551217,0.01135298322047053,0.010612887386929818,0.010291734838762697,0.010086554814902327,0.008051321329148651,0.0078082248332039935,0.006899504929713476,0.006708367879378337,0.006679087509918385,0.006649059661039267,0.006636794364179877,0.005287295810702082,0.004581856003493602,0.004342508140200754,0.003215273903336615],"twin_dists":[0.23392100072968328,0.23398372255212063,0.29022248245045723,0.2949343040828296,0.3026455656656037,0.31472737928068856,0.34494169616773435,0.3577905431615553,0.3641920874159258,0.3742120132954859,0.38868180458765245,0.39159629228427423,0.392917619112761,0.3937811566696256,0.4033191117460466,0.4045992655650312,0.4097249079021788,0.4108798410845925,0.41105937528415853,0.4112442300559865,0.41131995284465767,0.42053865779393834,0.42624367966538695,0.4283615461228719,0.4400366405923281],"n_dims_used":45,"mean_confidence":0.9029834323459202},"coverage":{"mean_confidence":0.9029834323459202,"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}}