{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004950},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006387","490:4900006392","490:4900002748","490:4900003981","490:4900006271","490:4900004961","490:4900003983","490:4900004141","490:4900004969","490:4900007123","490:4900006014","490:4900012706","490:4900002747","490:4900007117","490:4900004121","490:4900006500","490:4900003840","490:4900006627","490:4900007364","490:4900007115","490:4900001685","466:4660007142","490:4900011682","490:4900001551","490:4900006268"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490],"twin_sims":[0.5075380844553837,0.47109670114595786,0.4565100248677076,0.4223283905615508,0.40843045469731704,0.39787552367562806,0.3937835558640517,0.37975168907961687,0.36673383047827274,0.3640811735904284,0.3279821247058869,0.30791886988659933,0.3068670498417394,0.3062125105118536,0.2970636155322785,0.29223405180064543,0.2785304323773662,0.27385806516625355,0.27129510279668534,0.26672325453747725,0.264588159239478,0.25410916485528406,0.25381836712059747,0.250122631473574,0.2498058565428239],"twin_dists":[0.15125594819999016,0.15934831077900036,0.1626435807815508,0.17052397438349642,0.1738023095838678,0.17632498885827655,0.17731115234852507,0.18072982828273837,0.18395646768454094,0.18462090580945634,0.19392624038087156,0.19934096047279115,0.19963028419406467,0.19981061678653136,0.20235503507685892,0.20371675492170102,0.20765529006609837,0.2090249334177359,0.20978232482414327,0.21114441648314344,0.21178549281105044,0.2149798482361062,0.21506966936954175,0.2162169527149222,0.2163157924720062],"n_dims_used":45,"mean_confidence":0.9198510064019098},"coverage":{"mean_confidence":0.9198510064019098,"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}}