{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001266},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001267","480:4800001253","480:4800001268","480:4800001494","480:4800001609","480:4800002003","480:4800001316","480:4800002053","480:4800001548","480:4800001543","480:4800001378","480:4800001254","480:4800002109","480:4800001255","480:4800002002","480:4800001432","480:4800001885","480:4800001947","480:4800002051","480:4800001883","480:4800001944","480:4800001501","480:4800001771","480:4800001438","480:4800001715"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.45765831131754836,0.44944851683282566,0.3962542680130623,0.3328024882641703,0.2879084997752003,0.2817211119765764,0.24408712748044806,0.21081402957490666,0.18363604873982717,0.18154768719942843,0.18008031477436842,0.16184699340660588,0.15443832084643233,0.14465020651666316,0.14346173175077986,0.12448086986666498,0.11648839048903975,0.11578804466279131,0.10833479741770033,0.10639940742045367,0.10626648548632954,0.10357065638572215,0.10252066020077978,0.10063049249848727,0.09993186309060607],"twin_dists":[0.16238283738683712,0.1642523586624223,0.1767151501842923,0.1926530402133488,0.2049477480669956,0.20672801140462388,0.2181141416284478,0.22916712363515435,0.2391101459320489,0.23991561303868558,0.24048549428970198,0.24785986180760575,0.25102830049274777,0.255389969604062,0.2559342747905442,0.2651223588008875,0.2693111931137703,0.26968861560878105,0.27381835027599655,0.2749265453465512,0.27500322838535524,0.2765748015862934,0.2771955416479454,0.2783255994863452,0.27874748508961084],"n_dims_used":43,"mean_confidence":0.9210027650345204},"coverage":{"mean_confidence":0.9210027650345204,"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}}