{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011641},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011081","490:4900012104","490:4900011387","490:4900011511","490:4900011318","490:4900011710","490:4900011635","490:4900011524","490:4900011176","490:4900011250","490:4900010999","490:4900011522","490:4900010842","490:4900011302","490:4900009735","490:4900011456","490:4900011576","490:4900012177","490:4900008340","490:4900012178","490:4900011301","490:4900008007","490:4900010588","490:4900011838","490:4900008790"],"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":[0.5981841294706874,0.3253925166161396,0.30535913709099416,0.2835449418145531,0.2793123758792143,0.25580276360325,0.2056080175877785,0.1999541601970007,0.18656967615308762,0.18296800846885433,0.17804927871611276,0.1738834021003823,0.15528300952732768,0.14639874048154267,0.1431318311731148,0.13452531114643443,0.13412484039836386,0.12660127467992047,0.12492947494807671,0.12488064730893948,0.1222915175984222,0.11368329192354878,0.11260205106648205,0.09659906357120787,0.09481819766403232],"twin_dists":[0.13166181580544925,0.19461448872515652,0.20004606498763433,0.20620082355662253,0.2074274464665378,0.2144580239464254,0.2310002228108277,0.23302734273965356,0.23798949719143042,0.2393670980802622,0.24127973895766403,0.24292919965499668,0.2506615260850278,0.25459515939539906,0.25608595796080685,0.2601384950140828,0.26033173447674385,0.2640455776638488,0.2648933938009475,0.2649182847729473,0.26624888193764346,0.2708335457703173,0.2714280680713611,0.2807925000110205,0.2819080601524032],"n_dims_used":45,"mean_confidence":0.8917343139648437},"coverage":{"mean_confidence":0.8917343139648437,"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}}