{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009619},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008655","490:4900010021","490:4900009922","490:4900010121","491:4910004856","491:4910005364","491:4910005714","490:4900011289","490:4900007781","490:4900011218","491:4910004957","490:4900010302","490:4900010648","491:4910004803","490:4900010023","490:4900010235","490:4900010675","490:4900010214","490:4900007896","490:4900010818","490:4900008893","490:4900011061","490:4900008104","490:4900009720","490:4900012578"],"twin_admin_codes":[490,490,490,490,491,491,491,490,490,490,491,490,490,491,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.28391102188848477,0.23398186024304807,0.1860761955193931,0.1668964172881968,0.13008329023578366,0.10127388779829112,0.07990522866755338,0.07885236001740163,0.0768479146658013,0.07050611022619815,0.05830376173431592,0.056685166705370854,0.05375513246074817,0.05175076775123392,0.04622374160386999,0.03612553957963729,0.03596685961701632,0.021684684893996782,0.01960902914071388,0.014605450032865296,0.013960137550637774,0.013894791403753546,0.01290285438971856,0.012321915443821437,0.011863349175486922],"twin_dists":[0.20609525308357335,0.22135975307072303,0.2381771360478335,0.24576027543627046,0.26230662068942046,0.2779390903150329,0.2919672059054345,0.29273248682566105,0.2942124100588022,0.29910948229852924,0.30964042519426616,0.31117031209075746,0.3140340464783775,0.31606850435114237,0.3220395884945088,0.334701203832379,0.33492297744302585,0.3595037022547231,0.3641938672429743,0.3775914179085801,0.3796046790699848,0.379813102072621,0.38308820722064524,0.3851112904335597,0.38676881947683595],"n_dims_used":45,"mean_confidence":0.8856558057996962},"coverage":{"mean_confidence":0.8856558057996962,"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}}