{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002431},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002293","490:4900003177","490:4900003186","490:4900001683","490:4900004406","490:4900003698","490:4900002130","490:4900002892","490:4900003716","490:4900004399","490:4900004541","490:4900002278","490:4900003860","490:4900001987","490:4900002446","490:4900003442","490:4900004002","490:4900003030","490:4900003038","490:4900003572","490:4900004537","490:4900003440","490:4900002889","490:4900001405","490:4900002007"],"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":[0.551215842038137,0.5318852678739528,0.5190939146012896,0.49907424765231967,0.49313831574492584,0.48577796767795256,0.4385250288040271,0.436637759267734,0.4209208513343961,0.4209155292027284,0.41768460443478256,0.3948001548771745,0.39258406834555337,0.39138654893803587,0.3855115856622371,0.3823182649720238,0.3790440162233257,0.37548603238842815,0.36426214129637835,0.35959001573414384,0.3479726900859099,0.3459962617953672,0.3402874339419992,0.33908194485594395,0.30776249526594707],"twin_dists":[0.1417511840115738,0.14593726028447201,0.14872420379809007,0.15311980652273557,0.15443224340784187,0.15606608295490731,0.16675989268103023,0.16719556993990778,0.17085387057528473,0.1708551188472131,0.17161415094736956,0.1770657128561975,0.17760112504414824,0.17789103342511145,0.17931937780848384,0.1801000813402726,0.1809038272385065,0.18178104797307462,0.18457549960804945,0.185751460873775,0.1887100236444568,0.18921846427549405,0.19069578701280473,0.19100943128221354,0.19938393831396703],"n_dims_used":45,"mean_confidence":0.9195475260416667},"coverage":{"mean_confidence":0.9195475260416667,"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}}