{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010964},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010452","490:4900010537","490:4900011120","490:4900010622","490:4900011323","490:4900010623","490:4900010876","490:4900010451","490:4900011022","490:4900010961","490:4900004944","490:4900011258","490:4900004806","490:4900004942","490:4900012057","490:4900010863","490:4900010953","490:4900010959","490:4900010620","490:4900010793","490:4900010957","490:4900010710","490:4900009374","490:4900010357","490:4900010178"],"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":[0.5910476284772269,0.37516200297902497,0.3533210349871034,0.28859567437417305,0.2758055445889636,0.26445840400679066,0.2272164268935135,0.2224530843741135,0.208014376027452,0.2065920860340104,0.19494938846002433,0.19148010655700928,0.18486991717478718,0.16568157523552896,0.1580895504791643,0.15024132101051496,0.14483405103877878,0.13892966086471342,0.13470301071379454,0.12591168755095627,0.12527050304435994,0.1237666085034572,0.12366187854618073,0.12335413184434682,0.1227602909563536],"twin_dists":[0.13319053562442615,0.18186113856935635,0.1873417027149217,0.20475145389171112,0.20845233181024125,0.21182455642518236,0.22358429894776136,0.2251769730841378,0.23014903117433214,0.23065131440494144,0.23485496966273423,0.23614105986398176,0.23863728299108333,0.24626117642208012,0.24945326715806398,0.252872828864122,0.2553060678584643,0.25804119370639583,0.26005288782854186,0.2643942509624548,0.2647197528766526,0.2654882106866506,0.26554198931435946,0.265700217424303,0.2660063922641046],"n_dims_used":45,"mean_confidence":0.9187511020236545},"coverage":{"mean_confidence":0.9187511020236545,"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}}