{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002837},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003933","490:4900003250","490:4900003802","490:4900002835","490:4900003387","490:4900003121","490:4900002976","490:4900003393","490:4900002228","490:4900003383","490:4900003264","490:4900002676","490:4900003138","490:4900002081","490:4900001631","490:4900003516","490:4900004222","490:4900003117","490:4900001505","490:4900001920","490:4900002997","490:4900002530","490:4900002230","490:4900002978","490:4900002078"],"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":[0.4510315086608821,0.3998793312357585,0.1726626365673465,0.14644543718436615,0.12388108489037519,0.11251260786292806,0.10792759272601284,0.09652160722413822,0.09629163094558597,0.09557262063941521,0.09509206515883681,0.09091412276385032,0.08964639662022456,0.08658673904679658,0.08618975250207685,0.08536649558615082,0.07844357524939098,0.07702320205995326,0.07607733429777207,0.07180549391043045,0.06978791501207336,0.06725390968823779,0.06402518128744498,0.06400497777201225,0.05858336796878452],"twin_dists":[0.16389090783506396,0.17584376812845465,0.24341789080932222,0.25457402960472364,0.2654294668706183,0.2714774453355917,0.27405023042797555,0.28084068183076144,0.28098391820919993,0.28143348271897495,0.28173543839367415,0.28441266868866966,0.28524424880362437,0.2872903863082103,0.2875600638051134,0.28812247868922136,0.2930318255870919,0.2940817608135039,0.2947896193488282,0.29807789442398697,0.2996862966773862,0.30176080004747075,0.3044984181900155,0.30451590034002257,0.30937969945941085],"n_dims_used":45,"mean_confidence":0.9173566182454427},"coverage":{"mean_confidence":0.9173566182454427,"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}}