{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012581},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012509","490:4900012225","490:4900012584","490:4900012437","490:4900012436","490:4900012295","490:4900012510","490:4900012366","490:4900012435","490:4900012294","490:4900012297","490:4900012438","490:4900012583","490:4900012293","490:4900012227","490:4900012439","490:4900012226","490:4900012507","490:4900012296","490:4900012364","490:4900005165","490:4900012363","490:4900011431","490:4900012093","490:4900011294"],"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":[0.6755841732659739,0.499999804558082,0.37146062455840106,0.3003475402532264,0.25074057915852455,0.24972752525080416,0.24535621398386373,0.24512163452387614,0.23267978197099504,0.21048403882022712,0.20425887905622228,0.1840880284668847,0.1784136888293688,0.1773554724136396,0.15743879820504386,0.14853731015256427,0.13935254123434707,0.138082988495444,0.11951823652660161,0.11626685736867506,0.09262381065274727,0.08894213219128379,0.08492071438362159,0.08420637964865661,0.07911328653421802],"twin_dists":[0.11502180860625642,0.15291556613467194,0.1827784351661066,0.20143654458591378,0.21602437137880479,0.21634024567158022,0.21771273600919291,0.21778683129421256,0.22178456686495107,0.22928239688947796,0.23148043080374017,0.23893667194533297,0.24113676343851528,0.24155252802500518,0.24973202290525517,0.25363254466616236,0.25784245230339287,0.2584404666827224,0.26769814966675226,0.26943039043605926,0.28330559027875934,0.28571025385736637,0.2884288234376923,0.2889224048015706,0.29254207057886056],"n_dims_used":45,"mean_confidence":0.8910876803927952},"coverage":{"mean_confidence":0.8910876803927952,"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}}