{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011159},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010677","490:4900011009","490:4900011228","490:4900011234","490:4900011158","490:4900011160","490:4900010512","490:4900011374","490:4900011587","490:4900011895","490:4900010496","490:4900010593","490:4900010931","490:4900010666","490:4900010998","490:4900011007","490:4900010672","490:4900010765","490:4900010757","490:4900011298","490:4900010755","490:4900010427","490:4900010678","490:4900011004","490:4900011165"],"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":[0.5063998185840701,0.46999998958576006,0.46039204453948507,0.4568534587772448,0.4526814083449783,0.4496034700429885,0.3947130134620766,0.38431951229344075,0.38053429849830184,0.3709232010241787,0.35763641247744543,0.352586955741785,0.3485448651955651,0.34362221593555836,0.336771741516821,0.3279132440120408,0.29932928473072606,0.2943816047327161,0.2939074645847691,0.2921230281725225,0.2912343944517773,0.2911876687460346,0.2760480879453686,0.27129884767230805,0.2688437811590511],"twin_dists":[0.15150612023356164,0.15959483113547324,0.16176302805868106,0.1625655718241483,0.16351468155684873,0.16421695659249796,0.1770867401150634,0.17961045354890157,0.18053758679032428,0.18291199699001093,0.18624548648959333,0.1875288662942517,0.18856311451296867,0.18983122858896323,0.19161218152965076,0.19394450806972405,0.20172071125013769,0.20310961224885243,0.20324343199809886,0.2037482146173198,0.20400027449439787,0.20401354082656703,0.2083811923527437,0.2097812149534249,0.21051086443389194],"n_dims_used":45,"mean_confidence":0.8911464267306858},"coverage":{"mean_confidence":0.8911464267306858,"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}}