{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011011},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011167","490:4900010426","490:4900011175","490:4900011096","490:4900012168","490:4900011021","490:4900010776","490:4900011906","490:4900011900","490:4900010927","490:4900010940","490:4900011973","490:4900011228","490:4900010688","490:4900011452","490:4900010580","490:4900011012","490:4900010513","490:4900011234","490:4900012118","490:4900011843","490:4900010342","490:4900011165","490:4900011644","490:4900011450"],"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":[0.4561786367909436,0.36597544050569314,0.3367562711207885,0.32135241620367094,0.3145412062742196,0.2753157460608928,0.26589796820317807,0.2533201112234447,0.24094360105485896,0.229219203003118,0.22920530691333257,0.22772589778662775,0.2271680561283093,0.22672970212170757,0.22222290449642448,0.21681280771260839,0.2109174178728505,0.20119682138364156,0.19821559852019408,0.19589222071754037,0.18456987716972376,0.1823040693447928,0.1752409565435805,0.16738141030480472,0.16471415439533688],"twin_dists":[0.1627188737622269,0.18414618186350898,0.19161622538635917,0.19569434033929484,0.19753223758167593,0.20859610952692997,0.21139183388592114,0.2152237219692449,0.21911426426439848,0.2229212639385107,0.22292585112614688,0.22341526894580976,0.22360036023150176,0.22374601705565117,0.2252545089535004,0.22709258320252626,0.22913103296211307,0.2325784572513092,0.23365860169571467,0.23450820634285705,0.23875206413425304,0.23962312951798126,0.24238861870093667,0.24556103829667042,0.2466619607531826],"n_dims_used":45,"mean_confidence":0.892726813422309},"coverage":{"mean_confidence":0.892726813422309,"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}}