{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011817},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008655","490:4900011218","490:4900005150","490:4900009619","490:4900010121","490:4900010214","490:4900012578","490:4900010648","490:4900011622","490:4900012650","490:4900009922","490:4900011289","491:4910004856","491:4910004803","490:4900010302","490:4900010734","490:4900011950","490:4900005283","491:4910002715","490:4900011558","490:4900007781","491:4910005714","490:4900012086","491:4910005364","491:4910005313"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,491,491,490,490,490,490,491,490,490,491,490,491,491],"twin_sims":[0.0013174889710196687,0.0007913384917808248,0.0007251819192814944,0.0005079682892850137,0.00043988584563834016,0.0002948823659816896,0.0002767641331015099,0.00026455865225826966,0.00026106976313145197,0.00023164490534337805,0.00023071381786587123,0.00022880139945791008,0.0001838001983116168,0.00017536295423601196,0.00016894580177591448,0.00016599020625101404,0.00013643047630594363,0.00013479826072682887,0.00008898957476614517,0.00008394201240862228,0.00007781402661203141,0.00007411364263861432,0.000053702724661048496,0.00004926258858350692,0.0000491678061159718],"twin_dists":[0.4730009445711265,0.4908425711257387,0.493833559546782,0.5058470912310903,0.5106229916536578,0.523667526944136,0.5257060298989649,0.5271511715241775,0.5275757738352214,0.5313852362444345,0.5315130648312598,0.5317771484069768,0.5386789588379453,0.5401483739003377,0.5413112727716072,0.5418609460242347,0.5479316856830289,0.5483020691331153,0.5609312434365563,0.5626843997912712,0.5649521941240552,0.5664049872022561,0.575918212915412,0.5784401936522446,0.5784963497683036],"n_dims_used":44,"mean_confidence":0.8831017234108665},"coverage":{"mean_confidence":0.8831017234108665,"n_dims_used":44,"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}}