{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002641},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001810","489:4890001893","489:4890002405","489:4890001995","489:4890002155","489:4890003084","489:4890001809","489:4890002328","489:4890003598","489:4890002554","489:4890002918","489:4890002581","489:4890002263","489:4890002086","489:4890002653","489:4890003597","489:4890003331","489:4890002077","489:4890001844","489:4890002307","489:4890003329","489:4890002182","489:4890001667","489:4890003073","489:4890002751"],"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":[0.8476571905942735,0.8413189485589765,0.8215512416815104,0.7897316610520013,0.7790865558061058,0.7554114925248121,0.7417761816549413,0.7319957453966807,0.7216562588159317,0.7178511677804369,0.717684142435322,0.6992962552319604,0.6936457316544641,0.6926520043827572,0.6920443003452753,0.6911416431218808,0.6891561038133204,0.6864061926290724,0.6835833638876432,0.6701900970630931,0.6656337744663994,0.6656287393824896,0.6586354799285423,0.6503135900866222,0.6467906498271914],"twin_dists":[0.07467025899006507,0.07634685665247658,0.0814305718664965,0.08923843411327953,0.09176772243142947,0.09727463067735127,0.10038343897382145,0.10258943138073089,0.10490230933177996,0.10574894349774382,0.10578605375412417,0.10984660975801956,0.1110854264050461,0.11130289996622143,0.11143583809003287,0.11163322152561984,0.11206707904202451,0.11266725313152277,0.11328252018841237,0.11619142160112565,0.1171775456015383,0.11717863446715034,0.11868922912197867,0.12048273366572715,0.12124082263276863],"n_dims_used":45,"mean_confidence":0.9140797932942708},"coverage":{"mean_confidence":0.9140797932942708,"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}}