{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000074},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000951","490:4900000297","496:4960008173","490:4900000597","490:4900000161","490:4900000241","490:4900000625","490:4900000427","490:4900000238","490:4900001174","490:4900000422","490:4900000813","494:4940008437","490:4900000017","490:4900000511","490:4900000135","494:4940003994","496:4960009173","494:4940004231","490:4900001888","490:4900000809","490:4900001877","490:4900000039","490:4900000162","490:4900000948"],"twin_admin_codes":[490,490,496,490,490,490,490,490,490,490,490,490,494,490,490,490,494,496,494,490,490,490,490,490,490],"twin_sims":[0.4278136395758957,0.41186382226119794,0.39754202848152415,0.38635243880319264,0.37952526280606225,0.36225867187044286,0.3319251144936307,0.32615676724220183,0.30755168530361926,0.29880718074690943,0.28740685599826354,0.2848175973024352,0.27254627229847117,0.26679698792489015,0.24839879468830658,0.24548833473055656,0.24122444308579322,0.23526438611909384,0.23389857225923563,0.22825125578047886,0.22064953555905106,0.22057377009865126,0.21888340120063712,0.20864873768982392,0.20632303666639867],"twin_dists":[0.16924271288845993,0.17298799184615843,0.1764051861135401,0.17911431902568012,0.1807854837203753,0.1850788236244964,0.19288402465738558,0.1944110571820789,0.1994418970123624,0.20186663533528718,0.2050912217090873,0.2058341667767175,0.20941203914234813,0.21112233470286865,0.21675579437894776,0.21767102386492218,0.2190245710343252,0.22094283125837624,0.2213868799532929,0.22324122998557078,0.22578593879503775,0.22581159361375747,0.22638550783790712,0.22992576061806105,0.23074659474743997],"n_dims_used":45,"mean_confidence":0.9179413689507379},"coverage":{"mean_confidence":0.9179413689507379,"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}}