{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011238},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011510","490:4900011374","490:4900011523","490:4900010757","490:4900011018","490:4900010671","490:4900011082","490:4900011322","490:4900010666","490:4900011912","490:4900010688","490:4900010501","490:4900011320","490:4900010416","490:4900010854","490:4900011160","490:4900010508","490:4900011084","490:4900010918","490:4900010927","490:4900010516","490:4900011375","490:4900010586","490:4900010500","490:4900011165"],"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":[0.42947518001519136,0.39453796053020035,0.3614736091564651,0.359878498884592,0.34586588260207424,0.3247666324946705,0.31975672757087864,0.3196546616182349,0.31307125267444486,0.3065018641497102,0.2725452791004891,0.25071095369335533,0.24734961002390285,0.24421656916186532,0.24070513311745728,0.2319801966906004,0.2051332590180182,0.2046942006998578,0.1994478514606722,0.19915366325883135,0.19558876229560712,0.19421278116220966,0.18909870609749171,0.1804039326060403,0.17583128383649227],"twin_dists":[0.16885594666990283,0.17712898694372112,0.18527643673017632,0.18567862601439653,0.18925205847906929,0.19478128672464343,0.19612292950317112,0.19615038437678034,0.19793182657974467,0.1997308693534661,0.20941233266533324,0.21603359713300876,0.21708492525734882,0.21807313832655245,0.21919047762673213,0.22201345750952217,0.23116896021256841,0.23132524715953748,0.23321078749548949,0.2333175247590414,0.23461968841647565,0.23512669659569793,0.23703329634867545,0.2403595295984738,0.24215448062135606],"n_dims_used":45,"mean_confidence":0.887715572781033},"coverage":{"mean_confidence":0.887715572781033,"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}}