{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010750},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009730","490:4900010229","490:4900010906","490:4900007998","490:4900008453","490:4900010982","490:4900007788","490:4900010742","490:4900007773","490:4900010916","490:4900010984","490:4900008438","490:4900010834","490:4900010915","490:4900011063","490:4900008012","490:4900008891","490:4900010649","490:4900011221","490:4900011297","490:4900010745","490:4900011220","490:4900009729","490:4900010037","490:4900008345"],"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":[0.5693628872712773,0.542512440504663,0.5271942591363539,0.3626155213773226,0.3561809316813757,0.34018208283136764,0.33986247207390263,0.32919188108134584,0.31760073977788367,0.3055081503831196,0.29568758482005447,0.29362967646057775,0.2926797642754256,0.26957343429253156,0.26046043872992936,0.2591340868944231,0.2550807769095701,0.25215090966071707,0.2417685269006895,0.23267400076819372,0.228445395571824,0.2248936410396338,0.2141028724197619,0.1728008699236485,0.1715673362783575],"twin_dists":[0.13784294465763094,0.14363252385047956,0.14695758045221977,0.18498907066615142,0.18661444875244035,0.1907231734699008,0.1908062854558266,0.19360574766702784,0.19670392316128596,0.20000492440062123,0.20274167387654995,0.20332189333958003,0.20359052901453772,0.21029358173662596,0.213034091519776,0.21343793423554022,0.21468021063944087,0.2155859784048311,0.2188509980422775,0.22178645650668372,0.22317698303244143,0.224358144488302,0.22802488501323892,0.24336243010634603,0.24385846426847455],"n_dims_used":45,"mean_confidence":0.8874759250217014},"coverage":{"mean_confidence":0.8874759250217014,"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}}