{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000097},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000428","490:4900000048","490:4900000237","490:4900000174","490:4900000239","496:4960007911","490:4900000423","490:4900002040","490:4900000411","490:4900000137","494:4940003870","490:4900000413","490:4900000062","490:4900000388","490:4900000143","496:4960009569","490:4900001158","490:4900000188","490:4900001458","490:4900000589","490:4900000425","490:4900003902","490:4900000078","487:4870003830","490:4900000810"],"twin_admin_codes":[490,490,490,490,490,496,490,490,490,490,494,490,490,490,490,496,490,490,490,490,490,490,490,487,490],"twin_sims":[0.30388745896444636,0.2698881835008607,0.24668580335971443,0.23472661878090587,0.2325319824693974,0.2310958100049891,0.22389317041982074,0.21416560682659486,0.21284148270689035,0.20171131209300483,0.2002479387338548,0.19751279690476736,0.19281800976061036,0.18547740092814446,0.18471593000189995,0.17487221228237365,0.17473980874843018,0.17050187782249993,0.17021756271752103,0.16899002233908758,0.16786681166893117,0.16749900812975982,0.16665927899245822,0.16546426965890476,0.16304164059268478],"twin_dists":[0.2004530015796826,0.21019996521654122,0.21729362557010684,0.22111746623756873,0.2218328862451447,0.22230346236949597,0.22469309200336843,0.22800321267503887,0.22846156075778093,0.23239316682868827,0.23292104827556037,0.2339148693624385,0.23564318242736346,0.23840528918037807,0.23869617482054167,0.24253515701479492,0.2425878277126624,0.24428897165385036,0.24440417750925691,0.24490317466443376,0.24536204931048786,0.24551279128192205,0.24585784474039976,0.24635105457047285,0.24735888489657845],"n_dims_used":45,"mean_confidence":0.9148531595865885},"coverage":{"mean_confidence":0.9148531595865885,"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}}