{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001661},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001530","490:4900002118","490:4900003423","490:4900003295","490:4900003290","490:4900002268","490:4900001803","490:4900010288","490:4900002574","490:4900002570","490:4900010375","490:4900008744","490:4900002259","490:4900009613","490:4900009910","490:4900001961","490:4900002260","490:4900002563","490:4900002117","490:4900001396","490:4900002706","494:4940008964","490:4900002103","490:4900001804","490:4900001662"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490],"twin_sims":[0.3630747069905666,0.35024820526888656,0.30508390001946223,0.29753151172104003,0.2898547957598453,0.27476278884702193,0.26757199175112567,0.25287524268101963,0.23892591147497796,0.23322746257747212,0.22929634288204215,0.22625381385780188,0.2201307835767345,0.21342776921257295,0.2046895443001561,0.19710110572906359,0.18893502075311344,0.17758164879040603,0.17425937479476541,0.17128088512830542,0.1585028933214778,0.1560049554021705,0.1478933909597397,0.14474726241586425,0.12832877267132897],"twin_dists":[0.18487364452270094,0.188126520629136,0.20012208483226948,0.20222380518530236,0.2043925041466375,0.20875861549872562,0.21089046448362808,0.21536143095729895,0.21976066324739993,0.2216056918696352,0.22289580291338762,0.223904357364426,0.22596171073938223,0.22825837939174662,0.23132690587828858,0.23406528035792942,0.23709491201719102,0.24146351736843472,0.24277918587076122,0.2439740184695395,0.24927664206947872,0.2503492032453438,0.2539213029360769,0.2553456660315402,0.26317838476118316],"n_dims_used":45,"mean_confidence":0.9188944498697916},"coverage":{"mean_confidence":0.9188944498697916,"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}}