{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008902},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008903","490:4900008904","490:4900007784","490:4900010311","490:4900009624","490:4900010909","490:4900008213","490:4900008905","490:4900007780","490:4900007783","490:4900010493","490:4900009623","490:4900009723","491:4910004752","490:4900008901","490:4900009950","490:4900008896","490:4900009527","490:4900007786","490:4900010831","490:4900008782","490:4900008340","491:4910004855","490:4900010145","490:4900009004"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,491,490,490],"twin_sims":[0.6137468101175028,0.3859204470112484,0.310476059362749,0.2260193767663237,0.19793474658067745,0.19510936427682354,0.16165358484526046,0.12282163486236106,0.12061981978036233,0.11574452815039322,0.11060129656613205,0.10885464907012343,0.10714012827903663,0.10486010807545802,0.1046938877396757,0.0950802208761526,0.0913765716243606,0.08120617450003105,0.07354006798943365,0.07224818729080303,0.06737864642013695,0.06699277287755244,0.06175198021140797,0.060828932531898534,0.06079836321508842],"twin_dists":[0.12832924276134758,0.17921964232763893,0.19863991701217024,0.22398244188350688,0.23376093530320435,0.2347960504756135,0.24794121992649218,0.2659747121665036,0.26711943913992126,0.2697121248241481,0.27253989986221605,0.2735233036021429,0.27450057868514355,0.2758191744526042,0.2759161729876373,0.2817428958719854,0.2841116046953342,0.29103270102972434,0.296724117987811,0.2977298925818597,0.3016572062359549,0.30197818203059706,0.30649439246662774,0.30732210326459125,0.30734969119296457],"n_dims_used":45,"mean_confidence":0.8907923380533854},"coverage":{"mean_confidence":0.8907923380533854,"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}}