{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011272},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011870","490:4900011869","490:4900011741","490:4900012188","490:4900011809","490:4900011805","490:4900011045","490:4900012202","490:4900011541","490:4900011201","490:4900008501","490:4900011408","490:4900008953","490:4900010709","490:4900011547","490:4900012190","490:4900008390","490:4900011271","490:4900010801","490:4900011126","490:4900011027","490:4900011253","490:4900011987","490:4900012191","490:4900009162"],"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":[0.6396684538877141,0.6201538512990137,0.5201488384640098,0.43590698595384514,0.3485716163539601,0.3432741637543555,0.32871735370600197,0.31630672600474014,0.3073156681249201,0.298902524069702,0.2836868498718767,0.27394139406394863,0.2682537254736533,0.26355410923544653,0.26318375974268,0.25998436867082964,0.2574487935844788,0.24392429726209383,0.235945499765662,0.2335282433583702,0.22239678798768622,0.21731874898295836,0.21677201373084892,0.21333596578703157,0.2089651206033809],"twin_dists":[0.12277162131198993,0.1269569029612706,0.14849377493983965,0.1673644695669389,0.18855624910904836,0.1899212529883483,0.19373138361369763,0.19705370104280084,0.1995068131719934,0.2018399764613481,0.20615989024319703,0.20900038185495418,0.21068684378900582,0.2120971328405996,0.21220893385025894,0.21317889443852295,0.21395294873712237,0.21816574137015232,0.22072202044595343,0.22150757279593478,0.22519593151897438,0.22691939459479146,0.22710655921893777,0.22829016950703188,0.22981457892746648],"n_dims_used":45,"mean_confidence":0.9176609463161892},"coverage":{"mean_confidence":0.9176609463161892,"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}}