{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008961},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009816","490:4900012216","490:4900010475","490:4900011877","490:4900009393","490:4900007967","490:4900009285","490:4900008739","490:4900008738","490:4900010976","490:4900010094","490:4900009697","490:4900009178","490:4900011946","490:4900008070","490:4900009497","490:4900010899","490:4900008747","490:4900011880","490:4900008857","490:4900008956","490:4900011943","490:4900011484","490:4900009815","490:4900007955"],"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":[0.7036055765956878,0.5478452502932203,0.4847017241627519,0.4593288255151613,0.45798809380713573,0.43813597910319096,0.4335554718185721,0.4266778230946271,0.42263133799303,0.4103009079585,0.38914729282743604,0.36401291180779016,0.35920329834586595,0.3578495426747848,0.3530404594098153,0.3526286194681701,0.3453606456173527,0.33951350407262815,0.33358620561384666,0.325375987988514,0.32174915233155893,0.31436765156984076,0.3106582373928775,0.3073286321439345,0.2904226026872626],"twin_dists":[0.1088991713994137,0.14247916981220685,0.15630561315746988,0.1620039309698766,0.16230799675057025,0.16684964437409688,0.1679087298746327,0.169507458551212,0.17045303067704687,0.1733583091249229,0.1784342515653088,0.18463803618114805,0.18584914432251168,0.18619152315985033,0.18741321542125366,0.18751823813428917,0.18938230390280952,0.19089707945669826,0.1924469932737037,0.19461889131143298,0.1955879653054529,0.19757936097916548,0.1985901001775679,0.19950324669325725,0.20423093829452946],"n_dims_used":45,"mean_confidence":0.9179713779025608},"coverage":{"mean_confidence":0.9179713779025608,"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}}