{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001060},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001383","491:4910001967","491:4910001122","491:4910001560","491:4910001191","491:4910001569","491:4910001458","491:4910002255","491:4910001966","491:4910001196","491:4910002206","491:4910001443","491:4910001193","491:4910001688","491:4910001061","491:4910002064","491:4910001630","491:4910001515","491:4910001570","491:4910001681","491:4910001456","491:4910001962","491:4910001501","491:4910001740","490:4900003106"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490],"twin_sims":[0.7095245295132083,0.703380598196809,0.6964608695666272,0.692738403807115,0.6776373104169148,0.5856457325106385,0.5686851312425263,0.41288521702354825,0.412592832346008,0.4076629909884013,0.3924129929360405,0.3028148314146108,0.30134696299179237,0.29415101680698397,0.2869897091028344,0.28635419818539526,0.2857262156471127,0.2730463099401708,0.24864296275789483,0.24068620834328464,0.23714844925242096,0.22432061532552852,0.21992942884006156,0.21899171423128902,0.19608170174425937],"twin_dists":[0.10759381492185116,0.1089486942197254,0.11046871785564036,0.11128399626854969,0.11457595792427581,0.13434826451853407,0.13798861682416388,0.17274631377895514,0.1728154699715331,0.17398474634590824,0.1776425155692049,0.2007503166564401,0.20115818051141793,0.20317467668938732,0.20521064291459562,0.20539277778968593,0.2055729935195453,0.2092643448944234,0.216679326399782,0.21919652800381548,0.22033305072303408,0.22454986613222275,0.2260300117262564,0.22634864448122943,0.23443865706316647],"n_dims_used":44,"mean_confidence":0.893945347179066},"coverage":{"mean_confidence":0.893945347179066,"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}}