{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010574},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010483","490:4900010489","491:4910004958","490:4900010131","490:4900010835","490:4900010916","490:4900010225","490:4900008113","490:4900008005","490:4900007999","490:4900008120","490:4900007902","490:4900010138","490:4900007773","490:4900008123","490:4900008228","490:4900008438","490:4900010650","490:4900009934","490:4900010666","490:4900010229","490:4900010571","490:4900010309","491:4910005663","490:4900007888"],"twin_admin_codes":[490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490],"twin_sims":[0.32487725466106,0.2028949316369424,0.1923428329169961,0.18313105412905578,0.17535292225311375,0.13850650366134404,0.13500400190499517,0.11853253355709269,0.1074967497064495,0.10451105653824326,0.10389242572175765,0.10265025697879669,0.08959625954645031,0.08862110873994172,0.0834241373353394,0.06568470739019117,0.0635711510645939,0.058004181950550446,0.055691283033707226,0.054729739440817,0.0537434039754486,0.05241737859730049,0.05230560836647148,0.05032056086565039,0.04781039242445805],"twin_dists":[0.19475179296434553,0.23196812422846685,0.23581973477833557,0.23930432393046822,0.2423441672429146,0.25824051786779395,0.2599080777899211,0.2682194507407055,0.2742963110630863,0.2760230034091142,0.27638555944190313,0.27711865867978547,0.2852773278692087,0.28592364376660695,0.2894667556580331,0.30307758933870216,0.30489238550478137,0.3099209216992444,0.31212769026125864,0.31306745744733744,0.31404576660291655,0.31538473464420524,0.31549887592203085,0.31756059802348613,0.32026702278897845],"n_dims_used":45,"mean_confidence":0.8871410793728298},"coverage":{"mean_confidence":0.8871410793728298,"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}}