{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009852},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010408","490:4900012035","490:4900011706","490:4900011836","490:4900009755","490:4900008906","490:4900009840","490:4900008779","490:4900011704","490:4900010481","490:4900010922","490:4900009005","490:4900010591","490:4900012037","490:4900009446","490:4900011770","490:4900010588","490:4900009100","490:4900007895","490:4900011835","490:4900012038","490:4900010237","490:4900007884","490:4900012028","490:4900011577"],"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":[0.09767830839028017,0.04424159717408171,0.03406594174990053,0.02269226902406636,0.021646500510551028,0.019759527506545072,0.016275327817730875,0.01610846114751886,0.015628456048242062,0.014634006226717719,0.014501879679188319,0.013689645311067491,0.013391198945511863,0.013252661407111722,0.01301829591452879,0.012036782684343151,0.01143329693973672,0.010755851530516572,0.010033754606642967,0.009745995022111886,0.00952574056706708,0.009048670021144359,0.008531629960817175,0.008281398962282588,0.007916306190465182],"twin_dists":[0.2801242923327609,0.32432703714656463,0.33764655057364457,0.3573664012446872,0.3595863840136554,0.36383959204337407,0.3727241638166538,0.37319024811031365,0.3745550456343624,0.3775041535445839,0.37790918417816477,0.3804730926203177,0.3814490228756695,0.38190859520412707,0.3826958225484753,0.3861353548513255,0.38837576853611944,0.39101950751176784,0.39400590724679946,0.3952496474890009,0.39622395047745546,0.39840520466086815,0.4008884777269249,0.4021390375610755,0.40402575630408477],"n_dims_used":45,"mean_confidence":0.8936993916829427},"coverage":{"mean_confidence":0.8936993916829427,"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}}