{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002255},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003000","490:4900002556","490:4900002406","490:4900003272","490:4900003967","490:4900002851","490:4900003833","490:4900002850","490:4900004112","490:4900002408","490:4900009994","494:4940008948","490:4900001525","490:4900009047","490:4900002252","490:4900009666","490:4900007947","490:4900008397","490:4900008848","494:4940008960","490:4900003974","490:4900011419","490:4900002254","490:4900009051","490:4900009688"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,494,490,490,490,490,490],"twin_sims":[0.46994425063237943,0.45634513224295,0.2317819523134485,0.19032622994748782,0.17746486964826408,0.13540646964065453,0.1104804238859357,0.10905232829007536,0.10341011136415522,0.10221776733974054,0.09577604299319215,0.09359189418084107,0.09297896309456535,0.07201578751418239,0.07165347409092387,0.060361296386557496,0.05059484670980073,0.04814654099482085,0.047942936516938886,0.04754391386072803,0.045821840418850526,0.04293796826202248,0.041293307963944474,0.03896400625295475,0.037770672212321894],"twin_dists":[0.15960736539063844,0.16268104270828934,0.22207840172520854,0.23657240734745658,0.24150946518562022,0.25971482432692655,0.2726075656350023,0.2734113953254807,0.2766693943149664,0.27737552836859064,0.2813060227864398,0.2826858663779537,0.2830776462785657,0.2979123663202883,0.298197798307844,0.30774538305678995,0.31727173255240065,0.3198978135558913,0.3201211846447117,0.32056125425460014,0.32249665504391656,0.32587881113976364,0.3278941068721189,0.33086743305576666,0.3324493804740842],"n_dims_used":45,"mean_confidence":0.9122602674696181},"coverage":{"mean_confidence":0.9122602674696181,"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}}