{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001667},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["466:4660006638","487:4870013330","487:4870012717","494:4940008653","466:4660013106","487:4870000752","487:4870000908","487:4870002115","487:4870012569","487:4870002519","487:4870009200","487:4870012101","487:4870009888","487:4870012636","487:4870005844","487:4870009615","487:4870001570","466:4660012988","487:4870012637","487:4870005707","487:4870010283","487:4870010144","487:4870001662","487:4870003513","472:4720007551"],"twin_admin_codes":[466,487,487,494,466,487,487,487,487,487,487,487,487,487,487,487,487,466,487,487,487,487,487,487,472],"twin_sims":[0.0020132271136912446,0.0016114577396490258,0.0008078143479895232,0.0006983055609273684,0.0005124734534120942,0.00047193350257314045,0.00043730994725012793,0.0004021740828430829,0.00039036580988457037,0.0003810001050270465,0.00030911346849618924,0.00030495105734735606,0.00027518720444820856,0.0002654759506794661,0.00026255303599387564,0.00026072403673883343,0.0002263384551488925,0.00022627667769976845,0.00022070543982853437,0.00021862919853292832,0.00021726332149507675,0.0002131375796184685,0.000208881189158865,0.0002067915527057862,0.0001964374822112997],"twin_dists":[0.4576308238219752,0.46576316051041655,0.4901339363464559,0.4951218072498894,0.5055525744120881,0.5082947128769156,0.5108169588458911,0.5135752075673239,0.5145530250313606,0.5153484758966881,0.5221471967501898,0.5225849610479075,0.5258893336942051,0.5270404084510008,0.5273946101775788,0.5276181390185654,0.5321203283275574,0.5321289812978103,0.5329186096136104,0.5332176849277691,0.5334158951463182,0.5340218040447465,0.5346585764996259,0.5349756757607776,0.5365927969055615],"n_dims_used":43,"mean_confidence":0.8937599714412245},"coverage":{"mean_confidence":0.8937599714412245,"n_dims_used":43,"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}}