{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012120},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011451","490:4900011177","490:4900011385","490:4900011097","490:4900010941","490:4900011246","490:4900011174","490:4900011367","490:4900011762","490:4900010999","490:4900011017","490:4900011176","490:4900011980","490:4900011779","490:4900011576","490:4900011458","490:4900011247","490:4900011391","490:4900011020","490:4900011318","490:4900011455","490:4900012184","490:4900010674","490:4900011645","490:4900011832"],"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":[0.39287880316698864,0.38416043784973203,0.3664506159940091,0.3396678940416205,0.29947750509762,0.2958030663618222,0.2262959923705566,0.19511063547708565,0.1891102541668238,0.17255806706017934,0.16280285994346902,0.15898628207978138,0.14916732901136986,0.14277213114151682,0.13748387329237918,0.13328566453932755,0.13134947703968125,0.12933288358501815,0.12558968756246114,0.11992869283768803,0.11383333477519504,0.1024013133291452,0.1002000725786292,0.09666236284758542,0.08810964992089232],"twin_dists":[0.1775298356448257,0.17964932824080102,0.1840272918180931,0.19085690431561075,0.20167931195552366,0.20270918504046623,0.2238903145666484,0.23479558242611642,0.23702895074733796,0.24345986632017294,0.24745880463244774,0.24907051090294677,0.2533509123474265,0.2562516386863602,0.25872410372822935,0.26073807273789773,0.26168299188732735,0.2626783798035916,0.2645575589043682,0.26748204420558186,0.27075138900326573,0.27726641100495025,0.27858524763105913,0.28075314716025623,0.2862648903209703],"n_dims_used":45,"mean_confidence":0.8919196234809028},"coverage":{"mean_confidence":0.8919196234809028,"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}}