{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002510},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002508","490:4900002662","490:4900002511","490:4900005014","490:4900001611","490:4900001905","490:4900004870","496:4960011572","490:4900001198","490:4900001220","490:4900001478","490:4900002057","490:4900004737","490:4900001892","490:4900002509","496:4960011750","490:4900001356","490:4900005007","490:4900002657","490:4900002358","490:4900000620","490:4900000249","490:4900001211","490:4900002356","496:4960011907"],"twin_admin_codes":[490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,496],"twin_sims":[0.5535086746773497,0.5228896914769259,0.5063245543304739,0.49855048850882727,0.4559452826884135,0.4456099310486691,0.4193453552611742,0.41456634560670025,0.41251087419769233,0.41010356657517966,0.4020415778289511,0.40050008074245624,0.3881705394239571,0.38308759183907976,0.37823489880533384,0.37167604177941105,0.3646938506812844,0.3641590188970593,0.36295809253304595,0.35426513567894485,0.35354096321672684,0.35242128407485945,0.3411284422447239,0.33799921192883714,0.33066540038996123],"twin_dists":[0.14125638523270026,0.14789559553955403,0.151522667310763,0.15323543021234645,0.16277190485782692,0.16513083237094595,0.17122368516404635,0.17234909712484678,0.17283485892240832,0.17340511114104326,0.17532572533196214,0.1756949159749262,0.17867166056284445,0.1799117119983566,0.1811029618810939,0.18272492601641327,0.1844672263352484,0.18460137242145933,0.18490295105428742,0.18710128790594618,0.18728566833928928,0.18757113458396946,0.19047732613198734,0.19129164826614545,0.193216251616881],"n_dims_used":45,"mean_confidence":0.9161019219292534},"coverage":{"mean_confidence":0.9161019219292534,"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}}