{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008476},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008367","490:4900008808","490:4900008369","490:4900008701","490:4900007916","490:4900008923","490:4900008695","490:4900008366","490:4900008136","490:4900008137","490:4900007801","490:4900008364","490:4900008590","490:4900008256","490:4900008245","490:4900008807","490:4900008474","490:4900008815","490:4900008135","490:4900008255","490:4900007802","490:4900009251","490:4900009037","490:4900007800","490:4900009129"],"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":[0.03945423037190627,0.013842096444218032,0.004893333632272955,0.003858284216986501,0.0023174178053750384,0.0017416246139048406,0.00041096093673202933,0.0003113171248261978,0.00020848574275706468,0.00016389180829017545,0.00014767511676008226,0.00012793130726087068,0.00006298115130447604,0.00005664964202754284,0.000036632526124897546,0.00003420759514862432,0.00003398974052928801,0.00002645362654248943,0.000022500276017768847,0.00001540780529736107,0.000009391674290588845,0.0000060523667385065995,0.000004214145881945304,0.000003988620491721458,0.000002957308665340837],"twin_dists":[0.33022942545863443,0.37998180521521907,0.423633038321576,0.4329919849164908,0.45241462995511406,0.46294150093011144,0.5128648750017931,0.5219176703271906,0.5347183552171442,0.5422568285148505,0.5454881794992341,0.5499081827597869,0.5712314935353435,0.5743514705566406,0.5870146958690206,0.5889793782566816,0.5891623192356543,0.596295546825349,0.6008567881624581,0.61139403161607,0.6249024553473221,0.6366516031069365,0.6461712865650374,0.6476054310848939,0.655351114004045],"n_dims_used":45,"mean_confidence":0.8867388407389323},"coverage":{"mean_confidence":0.8867388407389323,"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}}