{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000576},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000917","490:4900000682","490:4900000929","490:4900000581","490:4900000479","490:4900000690","490:4900001025","490:4900001317","490:4900001451","490:4900000691","490:4900004035","490:4900001323","490:4900000898","490:4900001321","490:4900000562","490:4900002001","490:4900001881","490:4900000227","490:4900002030","490:4900001880","490:4900000772","490:4900004321","490:4900001322","490:4900000933","490:4900000404"],"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":[0.8345686688976485,0.6917636605951817,0.6846940985354178,0.6611967159719272,0.6459200558807342,0.6413613713532776,0.628480755800952,0.5961499758597041,0.5655608797348338,0.5628600835037563,0.5545391632120656,0.5531998436566088,0.5521036468590105,0.5477331893870641,0.5442425498261231,0.5368797354305438,0.5178776307874648,0.5157691584334724,0.5148611153269749,0.4775722332200055,0.4774311015207817,0.47196271091222103,0.467777775112267,0.46666454299330856,0.4631245139037522],"twin_dists":[0.07810635940375904,0.11149721522125236,0.11304052030554129,0.11813637511544542,0.1214280666475563,0.12240795741668972,0.12517231002377743,0.13209748638176108,0.13866038341994188,0.13924146585706076,0.14103410737075933,0.14132301293907318,0.1415595551367636,0.142503385681371,0.1432581258165938,0.1448529889473875,0.14899001690444247,0.14945117015926113,0.14964991386320603,0.15789659851227886,0.15792816899220866,0.15915378406598446,0.16009494143021652,0.16034577948193465,0.16114481101012829],"n_dims_used":45,"mean_confidence":0.9151721530490451},"coverage":{"mean_confidence":0.9151721530490451,"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}}