{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011285},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011212","490:4900010807","490:4900010890","490:4900011619","490:4900008288","490:4900008957","490:4900010804","490:4900011213","490:4900010895","490:4900010548","490:4900011420","490:4900011127","490:4900011615","490:4900011814","490:4900010806","490:4900007850","490:4900010561","490:4900008179","490:4900011616","490:4900010385","490:4900009392","490:4900008289","490:4900010208","490:4900010466","490:4900007961"],"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":[0.6190690739208534,0.5423630180631699,0.5302981414653642,0.45102463536415693,0.3926371355089172,0.3626569684623257,0.34186788393711204,0.3370178014352217,0.3276731800952682,0.31858685147343,0.31292421754574806,0.3040982422982019,0.2991264644643473,0.28924334643028726,0.2714585173199229,0.2683498098800633,0.2644766570301947,0.26249974979203416,0.25557168642564143,0.2544747534288431,0.25060488447771884,0.24828734261070962,0.2465957603161394,0.24230134203611697,0.24175739400208965],"twin_dists":[0.12718929185237762,0.143664869207152,0.14628225369262912,0.16389247621859468,0.17758828751249858,0.18497864901243996,0.1902854862521554,0.19154787662753614,0.1940081914138335,0.1964379121058162,0.19797185496459788,0.2003946474946878,0.20177738024643244,0.20456669933718616,0.20973390236350642,0.2106581710481106,0.21181906051696275,0.21241568161752353,0.21452909315710114,0.21486701839329267,0.2160666341725414,0.2167907146918927,0.21732196281813881,0.21868126504573068,0.2188545471087028],"n_dims_used":45,"mean_confidence":0.9172781202528212},"coverage":{"mean_confidence":0.9172781202528212,"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}}