{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003810},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001246","490:4900002990","490:4900003535","490:4900003398","490:4900003257","490:4900003949","490:4900003134","490:4900002697","490:4900003391","490:4900004357","490:4900004372","490:4900002698","490:4900004369","490:4900002986","490:4900003648","490:4900004354","490:4900003522","490:4900003135","490:4900001647","490:4900004217","490:4900003803","490:4900002995","490:4900003662","490:4900003529","490:4900003255"],"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":[0.7065677694344147,0.5416116484540429,0.5054113160728229,0.48858955611314103,0.4120794161422973,0.3447270345954972,0.2987463076225441,0.2944775521030274,0.26802291399152356,0.2672357144946105,0.266016591000579,0.2504226621096404,0.24231549692975035,0.24089382428011627,0.23725340788250088,0.2363356074501655,0.2209162370291442,0.20240898021323128,0.17670776265667065,0.17591545656747604,0.17311016347967978,0.16640746362339148,0.16398085733884277,0.15599906372784492,0.1457240172151038],"twin_dists":[0.10824649489032716,0.14382754235095233,0.15172349770146817,0.15544109769491496,0.17293695721921953,0.18954578571920092,0.20188365863088195,0.20308254788683447,0.21075574673932249,0.2109910225958424,0.2113562418906463,0.2161234112488668,0.21867675917534818,0.21913016867213211,0.22029917385839914,0.22059573877769917,0.2256956783081627,0.23214242468128166,0.24180787851813174,0.24212114132567022,0.24323845303769892,0.24596156248579035,0.24696688692436877,0.2503517477767242,0.25490102300958684],"n_dims_used":45,"mean_confidence":0.9222563001844618},"coverage":{"mean_confidence":0.9222563001844618,"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}}