{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003390},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003259","490:4900002993","490:4900003258","490:4900002845","490:4900003396","490:4900003130","490:4900003527","490:4900004493","490:4900003952","490:4900003521","490:4900003265","490:4900003131","490:4900003256","490:4900002846","490:4900003125","490:4900003254","490:4900003651","490:4900001511","490:4900003794","490:4900003519","490:4900001376","490:4900003266","490:4900002995","490:4900003518","490:4900004354"],"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":[0.6683531059207862,0.325598943630413,0.3244294388149077,0.3021603264974164,0.2880183033050432,0.26849167354971504,0.2652302757178851,0.25184839124631564,0.23482591561323982,0.21398896649810134,0.18746630932408245,0.17925807967997628,0.15759000536206308,0.12406995858675963,0.11890036571667238,0.11437472139604428,0.10453423350145946,0.09727688533769464,0.09389089391992013,0.09272764552973017,0.08917310578224326,0.08392555990669383,0.07927458466069578,0.07151163082177722,0.07146039800947657],"twin_dists":[0.11658919506842796,0.19455951500651417,0.19487122277018068,0.20093203571299686,0.20491636345185346,0.2106158488575031,0.21159235535143575,0.21567988250090195,0.2210852008015897,0.22806424612211604,0.2376494552272987,0.24080626329958932,0.24966717708939307,0.26533263609715085,0.2680245316392727,0.2704556411396035,0.2760094527875242,0.2803721503301288,0.28249548273357133,0.28323887566474354,0.2855570993536863,0.28911735684294554,0.29242461217261145,0.2983098615948879,0.29835038236744094],"n_dims_used":45,"mean_confidence":0.9142483181423611},"coverage":{"mean_confidence":0.9142483181423611,"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}}