{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004156},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003208","490:4900001840","490:4900003879","490:4900001839","490:4900003199","490:4900004147","490:4900003061","490:4900003457","490:4900003209","490:4900004580","490:4900003864","490:4900003340","490:4900001874","490:4900003058","490:4900004442","490:4900003607","490:4900003464","496:4960008957","490:4900003218","490:4900003204","490:4900003724","490:4900003324","490:4900002001","490:4900003084","490:4900004021"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490],"twin_sims":[0.7396231042331353,0.7393072092395329,0.7107658275988102,0.6872157484601502,0.6558783834189955,0.614851456596976,0.6040242940546405,0.5965339008003934,0.5715017523424478,0.5666687145954975,0.5615835442558642,0.5481083280797487,0.546782366534043,0.5465474763520144,0.5421042543365232,0.525696621808637,0.5177869089955317,0.5000860568717965,0.49237227017590285,0.4908518234934579,0.4799711603731633,0.47220152517797326,0.4708536360039436,0.46613176201419515,0.46358438343713565],"twin_dists":[0.10087068769834648,0.100942096878641,0.10731944055307865,0.11249064929831655,0.11928388705997647,0.128092669269091,0.1304111704859044,0.1320152546713429,0.13738335788023084,0.13842212995322045,0.13951624101820437,0.14242232314775344,0.14270888825004707,0.142759664787067,0.1437208874392755,0.14728373813287898,0.14900984970881812,0.15289653842661394,0.1546019483732358,0.1549390094398105,0.15736042863358427,0.15910016162048596,0.15940293062654382,0.1604659006242811,0.16104089253643789],"n_dims_used":45,"mean_confidence":0.9108452690972222},"coverage":{"mean_confidence":0.9108452690972222,"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}}