{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001123},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002542","490:4900002690","490:4900001115","490:4900002528","490:4900002378","490:4900002526","490:4900002069","490:4900002676","490:4900003658","490:4900002838","490:4900001769","490:4900004504","490:4900003117","490:4900001497","490:4900001929","490:4900001916","490:4900003809","490:4900002976","490:4900003793","490:4900001915","490:4900001362","490:4900003533","490:4900003516","490:4900003121","490:4900001921"],"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":[0.5935652980333633,0.4501274498714491,0.3454167889759085,0.3264749173500202,0.30244828916653205,0.23705515967852356,0.14854351054035742,0.14233708177967072,0.11895799423693902,0.10941050580280325,0.1033676625392134,0.09341456493244331,0.08892673298171709,0.08419418049212749,0.07666950403170217,0.07535635966285978,0.0752494541833258,0.07506235310697461,0.07257070103201697,0.0715984867453588,0.06975835876597032,0.06778681602163532,0.06462014488201138,0.06278175626451298,0.06230593229987989],"twin_dists":[0.13265113985847665,0.16409727704346388,0.1893678256838177,0.19432644844850233,0.2008520565532116,0.2203631694504609,0.2536297686670475,0.2564524409166994,0.267994035356427,0.27320902679762205,0.2766944241938027,0.2827990049230019,0.2857204760153334,0.2889308629710475,0.2943456338096606,0.29533395336073837,0.2954150238897132,0.2955571337055635,0.29747744969645606,0.29824121970948364,0.2997101376827138,0.30131930986426664,0.30398560642609673,0.30558287057138495,0.30600251785969024],"n_dims_used":45,"mean_confidence":0.9141891479492188},"coverage":{"mean_confidence":0.9141891479492188,"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}}