{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011018},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010927","490:4900011510","490:4900010688","490:4900011238","490:4900010508","490:4900010776","490:4900010940","490:4900010757","490:4900010686","490:4900010775","490:4900011912","490:4900011087","490:4900011523","490:4900010416","490:4900010854","490:4900010500","490:4900011160","490:4900011016","490:4900010586","490:4900010671","490:4900010937","490:4900010513","490:4900010918","490:4900010501","490:4900011082"],"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":[0.5106902947653885,0.39644023892026725,0.35170231773483973,0.34586588260207424,0.33606629367833496,0.32073993467210127,0.3050726140597142,0.2954194341077738,0.28887708975652965,0.2699226980839264,0.2598472295856833,0.2448306586541275,0.24025806131728555,0.23799399305473645,0.23235617874556194,0.23216261231135202,0.22813733007931852,0.22433785692493383,0.21312044433222976,0.2103602338549648,0.20870263716118734,0.20717058350475323,0.20597159677895896,0.20596106602034533,0.20476731554072095],"twin_dists":[0.15056390811472314,0.17667035842545523,0.18775468655297806,0.18925205847906929,0.19179668309965459,0.19585870661277222,0.2001252028352852,0.2028171425480536,0.20467114710822157,0.2101897035795748,0.21322063800457255,0.21787880371349586,0.2193334920717982,0.22006041700996498,0.22189038720301849,0.22195373098686122,0.2232789484096292,0.22454409272557457,0.22836483765162088,0.2293256764300376,0.22990681142973082,0.23044673361926718,0.23087118057299172,0.23087491597957352,0.23129920532633888],"n_dims_used":45,"mean_confidence":0.888970947265625},"coverage":{"mean_confidence":0.888970947265625,"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}}