{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010214},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009821","490:4900008655","491:4910005808","490:4900010121","490:4900011622","490:4900009619","490:4900011686","490:4900010648","490:4900011751","490:4900012087","490:4900005283","490:4900007990","491:4910004856","490:4900009922","490:4900005150","490:4900007781","490:4900010820","491:4910005468","490:4900010235","491:4910005364","491:4910005762","490:4900011218","491:4910002467","491:4910004957","491:4910004803"],"twin_admin_codes":[490,490,491,490,490,490,490,490,490,490,490,490,491,490,490,490,490,491,490,491,491,490,491,491,491],"twin_sims":[0.105929642602233,0.04951447689360559,0.03271616292695086,0.030408879558750098,0.0288340695362931,0.021684684893996782,0.021045302697698293,0.016909296527449037,0.01624417870610085,0.01383389964202321,0.010423137311847512,0.0074858865468031485,0.00659923909801752,0.0045591599897138926,0.003329169274426414,0.0026101552045747316,0.002156089722768721,0.0021051917134316186,0.0019445262531512743,0.001914393090786851,0.0019120994621996017,0.0016729887071680754,0.0016274741355865104,0.0015611313597039148,0.0015541663696443046],"twin_dists":[0.275197888288498,0.3184171869876374,0.3396602003397955,0.34327282080461125,0.3458759070047798,0.3595037022547231,0.36090518839814834,0.37099081920821547,0.3728108483251547,0.38000809827131005,0.39237260895407955,0.4063530021082973,0.4115525954552939,0.4264401403583277,0.4387002726846408,0.44795763212843426,0.45509691977266353,0.45598149171712465,0.4589087728366727,0.4594824503099022,0.45952645614183285,0.4644041306663122,0.46540486105059303,0.4669107753063813,0.46707228193500355],"n_dims_used":45,"mean_confidence":0.8853994581434462},"coverage":{"mean_confidence":0.8853994581434462,"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}}