{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012096},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011454","490:4900012119","490:4900011003","490:4900011695","490:4900011649","490:4900010840","490:4900011449","490:4900011318","490:4900011639","490:4900011901","490:4900011963","490:4900012169","490:4900011178","490:4900011585","490:4900011978","490:4900011697","490:4900011584","490:4900011823","490:4900011574","490:4900011838","490:4900011696","490:4900011631","490:4900011966","490:4900011522","490:4900011758"],"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":[0.16819786224941644,0.15170046933344883,0.1254234562316102,0.12017288793100628,0.09808816840415849,0.09462324616140962,0.07744897315729167,0.06693030428357506,0.059688460038960875,0.0579163545251137,0.054631496063922286,0.05100438930868985,0.04460863822930775,0.04208651320081568,0.04126424382012563,0.03975453730777371,0.03865734050717217,0.0382565101164731,0.03737254729440031,0.036252694406460374,0.03524078066772701,0.035236609121757405,0.035169853827525174,0.030213722680196377,0.029996939867169628],"twin_dists":[0.2452265734736499,0.2522273087309559,0.2646419904423295,0.26735374342825124,0.27987204861756565,0.2820311797292521,0.29376540904516263,0.3020302860226865,0.3083591535213227,0.31000338085315243,0.31316424346610267,0.31684283759187704,0.32389706428851556,0.3269138690894584,0.3279303245697286,0.32984189038857026,0.33127000721304123,0.33180029073079337,0.33298657928520514,0.3345240866666065,0.33594848925336984,0.33595443283698684,0.3360496267336518,0.3435890406120607,0.3439423608084622],"n_dims_used":45,"mean_confidence":0.8901539272732205},"coverage":{"mean_confidence":0.8901539272732205,"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}}