{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001265},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001380","480:4800001275","480:4800001391","480:4800001330","480:4800001271","480:4800001660","480:4800001392","480:4800001620","480:4800001607","480:4800002108","480:4800001943","480:4800001716","480:4800002112","480:4800001333","480:4800001610","480:4800001447","480:4800001549","480:4800001381","480:4800001613","480:4800001387","480:4800001389","480:4800001331","480:4800002060","480:4800001517","480:4800001377"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5016298170238964,0.4351359411988834,0.4147864917367103,0.40109193987170777,0.3861288991454326,0.33364238757946285,0.306553281507159,0.28139355732607013,0.23847761466932552,0.23517235709442752,0.22879278234101208,0.22012939798047643,0.21665931956785622,0.2066743002229677,0.1995277073102708,0.19268146568181221,0.1891597747695556,0.18350995845813825,0.1830144048957633,0.16780325918375819,0.16710490051894092,0.16464123189122276,0.16377146101898657,0.15778607914563272,0.15651606771366894],"twin_dists":[0.15255613072792426,0.16754279909171793,0.1722971327290156,0.17555308899281777,0.17916881292928005,0.1924322326232895,0.19971670299884278,0.2068229112854874,0.21990476375704793,0.2209726982864507,0.22306211189028902,0.22596218060068207,0.22714517743566634,0.23062221622337642,0.23318183296932554,0.23569388443860892,0.23701031798022276,0.23915859422839514,0.23934923099279135,0.2453880788919374,0.2456745786109898,0.24669224004151696,0.24705414097148312,0.2495831575788432,0.2501287277921871],"n_dims_used":43,"mean_confidence":0.9207875451376272},"coverage":{"mean_confidence":0.9207875451376272,"n_dims_used":43,"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}}