{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000823},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000808","490:4900001432","496:4960008668","490:4900000703","490:4900000411","490:4900000408","490:4900000186","490:4900000494","494:4940008599","494:4940007827","490:4900000569","490:4900001179","490:4900000222","490:4900000288","494:4940008793","490:4900000934","490:4900000948","494:4940007680","494:4940008342","494:4940008734","490:4900000688","496:4960009277","490:4900000908","490:4900000213","490:4900000589"],"twin_admin_codes":[490,490,496,490,490,490,490,490,494,494,490,490,490,490,494,490,490,494,494,494,490,496,490,490,490],"twin_sims":[0.5227761828462595,0.4578180919308903,0.44682140717631674,0.4423144770399552,0.4309102776395972,0.4206812594237798,0.41652234400248916,0.413643007048843,0.41335953452309143,0.4064028028310934,0.4041459776947061,0.39243431369757364,0.39203309702640293,0.38917853550818055,0.3861809231556277,0.38100998993536117,0.3788157947863583,0.3696508170169819,0.3619038120840879,0.36179648305697254,0.3609581681792518,0.3535636858738402,0.344813802029109,0.34322958759229083,0.340937582011903],"twin_dists":[0.14792035390954866,0.16234657444851291,0.16485327358667604,0.1658873118277845,0.16852238258214497,0.17091007193063554,0.17188780910271903,0.17256717671333463,0.1726341712436565,0.1742846409254208,0.17482274777336201,0.1776373566987765,0.17773445883948058,0.17842666237315802,0.17915612931832176,0.18042083037977452,0.18095997469834932,0.18322859629733293,0.18516812065154817,0.1851951377206431,0.18540630034782463,0.18727987998271614,0.189523388918938,0.1899327862114785,0.19052687879043226],"n_dims_used":45,"mean_confidence":0.9101639641655817},"coverage":{"mean_confidence":0.9101639641655817,"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}}