{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001991},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002742","489:4890002656","489:4890002324","489:4890003331","489:4890002253","489:4890002653","489:4890002751","489:4890002166","489:4890002752","489:4890002836","489:4890002744","489:4890002833","489:4890002323","489:4890002665","489:4890001912","489:4890001995","489:4890002835","489:4890002506","489:4890002660","489:4890001748","489:4890002306","489:4890002085","489:4890002325","489:4890002090","489:4890002840"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.8853421762229372,0.879023426219215,0.837165704223427,0.8188809651730743,0.8164523189529893,0.8123354177321367,0.8113751416988341,0.8113259532291466,0.8099009852683405,0.8089576902256325,0.8028213891754445,0.8015214915590466,0.7980530992520162,0.7976808230129562,0.7933304651405847,0.7818303420137483,0.7730035684847402,0.7667211865528698,0.7617846128305722,0.7605015573222691,0.7587297506975448,0.7581460523232438,0.7568090542954602,0.7338601338598182,0.7333637537042919],"twin_dists":[0.06409567636806125,0.06595366888764155,0.07743248377001882,0.08210215739623522,0.08271011938049176,0.08373469565177635,0.0839726223595746,0.08398479916221496,0.08433711196890858,0.08456986682677504,0.08607514693606076,0.08639211322156636,0.0872347012501266,0.08732487265969768,0.08837487280056147,0.09111924351260853,0.0931973409896435,0.09466274313948993,0.09580678580751015,0.09610310485708644,0.09651162249272797,0.0966460333153482,0.09695359644902005,0.10217034030321151,0.1022819838615545],"n_dims_used":45,"mean_confidence":0.9138844807942709},"coverage":{"mean_confidence":0.9138844807942709,"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}}