{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770001249},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000834","477:4770000893","477:4770001482","477:4770000767","500:5000001124","477:4770000940","477:4770001478","477:4770002073","477:4770001696","477:4770001641","477:4770001353","500:5000001434","477:4770001068","477:4770001536","477:4770001189","500:5000001490","477:4770000833","485:4850006740","485:4850006884","477:4770001424","477:4770001240","477:4770001362","477:4770001433","477:4770002334","477:4770000950"],"twin_admin_codes":[477,477,477,477,500,477,477,477,477,477,477,500,477,477,477,500,477,485,485,477,477,477,477,477,477],"twin_sims":[0.6178156088744725,0.5833424796267549,0.5772643046703063,0.5138433572088875,0.39103152517807144,0.3883540030203397,0.38183706087718444,0.3295944376013793,0.325745423350767,0.3126749963676641,0.30228561296491924,0.2970161841790541,0.2947530501660741,0.2947465078431158,0.286996839876813,0.28388998550319416,0.2783384162142515,0.26686104616861406,0.2668288383308042,0.2662747834860814,0.2650150591541252,0.2630620136382427,0.2587360313860061,0.2552946636963654,0.25440734722667846],"twin_dists":[0.12745779670168186,0.13484209765795496,0.1361460133395456,0.14987277382325975,0.17797706090596868,0.17862704658336928,0.1802179964227401,0.19349924480983327,0.19452051761237008,0.19803972663995267,0.2008972330222311,0.20236834483369276,0.20300486570021184,0.20300670994159536,0.2052086006362904,0.20610131734991996,0.20771129947682035,0.21110315352756157,0.21111279727097895,0.21127880705566615,0.21165705623047926,0.21224570801835813,0.21355938644082043,0.21461434688023392,0.21488781390448733],"n_dims_used":45,"mean_confidence":0.9207185533311631},"coverage":{"mean_confidence":0.9207185533311631,"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}}