{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001931},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001244","490:4900002400","490:4900002839","490:4900002832","490:4900003118","490:4900002677","490:4900001776","490:4900001368","490:4900001774","490:4900002547","490:4900003533","490:4900004491","490:4900001929","490:4900001635","490:4900004212","490:4900001775","490:4900002678","490:4900001782","490:4900001242","490:4900003799","490:4900001103","490:4900004495","490:4900002983","490:4900001779","490:4900002546"],"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":[0.5189735217529533,0.38688055860182047,0.33233879364574737,0.3218320909249324,0.31925321030604575,0.31329954623116035,0.2910568573638224,0.2547105767283737,0.25226551675215625,0.24381132576818842,0.24368309453174308,0.22864343728493008,0.22805740689550486,0.22033704293425702,0.1980831066524254,0.18681771159683272,0.18672213635722448,0.18127449705372026,0.1710425034340312,0.16961976368458578,0.16870247163247482,0.133687231775877,0.12611883686417236,0.12294365436360136,0.11769919447239872],"twin_dists":[0.14875050846181248,0.1789856347281567,0.19277507468226948,0.19556573663290416,0.19625841916910258,0.19786969786183525,0.20405068744509972,0.21479429195907435,0.21555042221065152,0.21820155430333268,0.2182422176925723,0.22311148200505193,0.22330541674806473,0.22589178943300925,0.23370686506637717,0.23789531690609017,0.23793159689518362,0.24002146396422225,0.24407028710889697,0.24464685979508313,0.24502044075485016,0.2605433902764807,0.2642893589810506,0.26591173291468484,0.26866276733632904],"n_dims_used":44,"mean_confidence":0.9138910987160422},"coverage":{"mean_confidence":0.9138910987160422,"n_dims_used":44,"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}}