{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001084},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000141","490:4900002029","490:4900001728","490:4900004460","490:4900000498","490:4900000184","490:4900000121","490:4900000247","490:4900001063","490:4900000076","487:4870003004","490:4900001869","490:4900001072","496:4960006231","496:4960009082","490:4900000334","487:4870003682","490:4900001083","490:4900004462","490:4900002925","487:4870004553","490:4900000431","487:4870004258","487:4870004124","490:4900001871"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,487,490,490,496,496,490,487,490,490,490,487,490,487,487,490],"twin_sims":[0.7106893833927966,0.6073114609750786,0.5840745317829923,0.5316741557929037,0.516209700081312,0.49070462699412104,0.46432409861171403,0.46108577758968194,0.44996550860823176,0.43493678909122074,0.43391606382968595,0.42971183197573504,0.421768951478029,0.41478804908865746,0.40896425295791133,0.40894776936448096,0.4057954216416473,0.39271458134781906,0.3911838115594531,0.37997170465056185,0.3773407847778692,0.37726549586876545,0.3707861721350963,0.3649316177002127,0.36127818794040895],"twin_dists":[0.10733634404700247,0.129707296710381,0.13468512604915894,0.14598313723838346,0.1493547795687499,0.1549716571978254,0.16087381181411517,0.16160594949906426,0.16413425965202047,0.1675888800559871,0.16782519393732398,0.16880090969877856,0.17065503907485688,0.17229676516629633,0.17367550761601813,0.17367942214505583,0.17442933065945426,0.17756955395886087,0.17794015520712156,0.18067576396266508,0.18132325615811554,0.18134181763551094,0.1829460670914038,0.1844076216659123,0.18532566134786246],"n_dims_used":45,"mean_confidence":0.917241923014323},"coverage":{"mean_confidence":0.917241923014323,"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}}