{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004966},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005104","490:4900001669","490:4900005497","490:4900005371","490:4900002285","490:4900005362","466:4660006865","490:4900005490","490:4900002437","490:4900004683","490:4900005231","494:4940008782","490:4900004672","493:4930006942","490:4900005243","490:4900005359","490:4900004401","490:4900001675","466:4660006723","490:4900004967","490:4900005241","494:4940007032","490:4900005495","490:4900005634","490:4900004962"],"twin_admin_codes":[490,490,490,490,490,490,466,490,490,490,490,494,490,493,490,490,490,490,466,490,490,494,490,490,490],"twin_sims":[0.45008157260849874,0.3512605404912501,0.35002796752288506,0.31492337787888824,0.2746140939327205,0.2642594255972569,0.24671961203314427,0.23841370866971584,0.2381888968069322,0.22462699962750626,0.22252330288648017,0.21752266175383506,0.2102500603905981,0.20880035535682936,0.20767131494869728,0.20597105089487058,0.20064360155114863,0.1951331952729305,0.1933419663230395,0.18372166513650806,0.18323887416041357,0.17680625587150078,0.17346274081429067,0.1727808538591349,0.17255743823365924],"twin_dists":[0.16410775355242913,0.18786756925234363,0.188182908409783,0.19742852274152733,0.2088023489283294,0.2118844833474117,0.21728298743376437,0.21992532005796292,0.21999766261853143,0.22444731629473802,0.22515333070523633,0.22684966994192837,0.2293642052441274,0.22987246558953212,0.23026996865543456,0.2308713742024639,0.23277805988903016,0.23478727637560928,0.2354488567411218,0.23907726248494632,0.2392628338345253,0.2417690060752071,0.24309731911813365,0.24337045880054803,0.24346011879405696],"n_dims_used":45,"mean_confidence":0.9213888380262587},"coverage":{"mean_confidence":0.9213888380262587,"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}}