{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001440},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001045","468:4680000450","489:4890000420","470:4700000611","466:4660009283","481:4810006095","469:4690007483","466:4660007834","498:4980002949","500:5000011671","498:4980003003","478:4780001373","478:4780002412","466:4660011437","466:4660010454","466:4660007530","481:4810005845","489:4890002517","481:4810005444","489:4890000631","466:4660010783","466:4660008597","489:4890000591","489:4890001046","489:4890000701"],"twin_admin_codes":[489,468,489,470,466,481,469,466,498,500,498,478,478,466,466,466,481,489,481,489,466,466,489,489,489],"twin_sims":[0.21783421787335222,0.051847414744840184,0.04222494964294602,0.03852005846396297,0.03746728291128729,0.03707332205630691,0.03495551215386502,0.0342606608736791,0.031012711554255192,0.030641792535935512,0.02923863362075159,0.028022904347665807,0.02761142358565633,0.027529846827656093,0.02673374178508563,0.02646348155831702,0.025472615095173526,0.025209769526507643,0.02443770762803416,0.02411480486675492,0.02268882119444983,0.02258613834561211,0.021616574315930392,0.02114469744814419,0.020076737869253052],"twin_dists":[0.22674322319576273,0.31596891767685836,0.3267443880469011,0.3314510999094491,0.3328583121670235,0.3333935335555101,0.336356323336085,0.33736169904246077,0.3423053011768468,0.3428976915126321,0.34519575354899856,0.3472647123035156,0.3479824785796897,0.3481258692293941,0.34954476425449643,0.35003473203194213,0.35186885625106895,0.3523657206179247,0.3538515170723117,0.3544849994025232,0.35737357308288686,0.35758759872558377,0.3596512727697139,0.3606849100340187,0.36310051965185164],"n_dims_used":45,"mean_confidence":0.9126861572265625},"coverage":{"mean_confidence":0.9126861572265625,"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}}