{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002208},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001892","480:4800002055","480:4800002544","480:4800002001","480:4800002485","480:4800002533","480:4800002213","480:4800001999","480:4800002155","480:4800002249","480:4800002211","480:4800002255","480:4800002436","480:4800001504","480:4800002482","480:4800002102","480:4800001459","480:4800001505","480:4800002306","480:4800002302","480:4800001727","480:4800002399","480:4800002301","480:4800001897","480:4800002483"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5395881041117507,0.4196259818481418,0.4145554958714799,0.37538280002747576,0.3552172507083095,0.27387914452818746,0.2649615090654044,0.2590018580838254,0.2408695382245491,0.23329822238665826,0.23083937794568116,0.21364044009489788,0.20453750100470677,0.20226135583025856,0.1999911929632931,0.19605080524630417,0.1904987146195076,0.18982036062413218,0.1889912363844466,0.1842987331743494,0.18178434871872504,0.17213471926671886,0.17106426381935622,0.17078945908899615,0.16695750606389348],"twin_dists":[0.1442658526516819,0.17115777093818552,0.17235165845895015,0.18180656031901715,0.1868591682400402,0.20901872227853394,0.21167316016301746,0.21347826601903594,0.2191379291960193,0.2215826015204484,0.2223876872718601,0.22818477023970007,0.231381081468734,0.23219543132866863,0.23301393767857204,0.23444999448674952,0.23650781247530206,0.23676208974338386,0.23707374669578132,0.2388559040888667,0.23982400657581668,0.24362998966883256,0.24406149535515753,0.24417258244211384,0.24573515696876264],"n_dims_used":43,"mean_confidence":0.9190538983012355},"coverage":{"mean_confidence":0.9190538983012355,"n_dims_used":43,"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}}