{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011516},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011021","490:4900011900","490:4900011451","490:4900011581","490:4900010941","490:4900010165","490:4900011096","490:4900011088","490:4900011011","490:4900012120","490:4900010672","490:4900011452","490:4900010495","490:4900011234","490:4900011078","490:4900011175","490:4900011587","490:4900011316","490:4900011155","490:4900011177","490:4900010927","490:4900011174","490:4900010427","490:4900011450","490:4900011020"],"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":[0.2548125307838544,0.11680379667962151,0.11671282027318863,0.09712152733540882,0.08319607352648957,0.07646118935460212,0.057941315669192896,0.05179353193687221,0.04685355219619474,0.04527958071074876,0.040503054709591764,0.04008292712241553,0.036740812086885954,0.0362832688069604,0.03505885269426053,0.03343201407976206,0.03102164445071051,0.030940561898637257,0.030351752977066375,0.0302304029387464,0.029108622569375665,0.027319296991288516,0.027163440903976505,0.02709674522828515,0.026825226465814058],"twin_dists":[0.21476286319137777,0.2691417865700425,0.2691906144843469,0.28046829149214053,0.28962622909136926,0.2945015039777969,0.3099799349274725,0.31602442037180545,0.3213299780304593,0.3231186991027451,0.3288866127839046,0.32942093653717786,0.33384903736707006,0.33448157751061386,0.3362082565730807,0.3385836269588795,0.34229110952035174,0.3424200534967936,0.3433652046238188,0.3435619446734527,0.3454134422450083,0.3484976583987781,0.34877446179414395,0.34889333271419665,0.34937987440185825],"n_dims_used":45,"mean_confidence":0.8914803398980035},"coverage":{"mean_confidence":0.8914803398980035,"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}}