{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000651},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000993","490:4900000992","490:4900000312","494:4940007642","494:4940007943","490:4900000988","490:4900000868","494:4940007842","490:4900000989","490:4900000384","490:4900000536","490:4900000869","490:4900000315","494:4940008054","494:4940008146","490:4900012928","490:4900000456","490:4900000645","494:4940007219","490:4900000644","490:4900000987","494:4940008056","494:4940007954","494:4940008059","490:4900006742"],"twin_admin_codes":[490,490,490,494,494,490,490,494,490,490,490,490,490,494,494,490,490,490,494,490,490,494,494,494,490],"twin_sims":[0.28752262779572874,0.226093067901818,0.19911449881660404,0.17068975610726092,0.15425100621981094,0.15346140728306568,0.12472890701949128,0.1225057514827096,0.11986455807125514,0.10006760181276604,0.0858484353460222,0.08414491834998755,0.08212175000039047,0.07797185728371811,0.0731813503761185,0.07019574836232709,0.07006924729961682,0.06488404076774089,0.0613477305526756,0.05337712624595564,0.050904007015022845,0.050752638123904535,0.04893354335748864,0.04873537153096542,0.047622511522222195],"twin_dists":[0.20505809686137125,0.22395789161165428,0.23333174259347453,0.24421291806853532,0.25110983371556234,0.25145432533561257,0.2649956849709566,0.26613797414464285,0.26751577388745246,0.2786653354391861,0.28779271607635454,0.2889650283611774,0.2903821822964258,0.29337881001020816,0.29700194957282733,0.29935815964880214,0.29945977466105994,0.30375938397107466,0.3068556305158479,0.31441285485618536,0.31694769743949414,0.31710614396596926,0.3190417553306743,0.319256227210004,0.32047432789070324],"n_dims_used":45,"mean_confidence":0.912796613905165},"coverage":{"mean_confidence":0.912796613905165,"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}}