{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002092},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002996","490:4900002091","490:4900001642","490:4900001506","490:4900002696","490:4900003530","490:4900003529","490:4900003661","490:4900003251","490:4900002550","490:4900003515","490:4900001250","490:4900003127","490:4900002992","490:4900003657","490:4900001647","490:4900003263","490:4900003654","490:4900001378","490:4900002989","490:4900003660","490:4900001650","490:4900003252","490:4900002697","490:4900004365"],"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":[0.44282842169750736,0.35150127168200246,0.34786638099505035,0.33755679163538044,0.2965058420100571,0.2372267905678846,0.20760828197900308,0.19884958811964892,0.18095671105720518,0.16907751081404665,0.16242272544327352,0.1508918637437485,0.14926665752708526,0.13962290276063932,0.12649906310150824,0.12247450540553649,0.11601191942409096,0.1153895935149338,0.1138074425296931,0.10470875652760314,0.10436004745849774,0.09395482563485813,0.0916796298362505,0.08917588275869359,0.08724334922431667],"twin_dists":[0.1657691921699264,0.18780604856013683,0.1887373330905873,0.19140710635869496,0.20251163160802968,0.22030776404302327,0.23029220413988244,0.23342796362378204,0.24014473615109846,0.2448675244394186,0.2476180943720553,0.25258446482221725,0.2533065903946328,0.25771562605808135,0.26409716745372064,0.2661541408702935,0.2695677773975966,0.26990412751741616,0.2707655604858427,0.2759074913677046,0.2761113495714291,0.2824548372315011,0.28391496053968124,0.2855552599050259,0.28684649467131773],"n_dims_used":45,"mean_confidence":0.9161505805121528},"coverage":{"mean_confidence":0.9161505805121528,"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}}