{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010500},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010918","490:4900010416","490:4900010586","490:4900010673","490:4900010501","490:4900010757","490:4900010415","490:4900010671","490:4900010504","490:4900010854","490:4900011510","490:4900010508","490:4900011160","490:4900011844","490:4900011912","490:4900010514","490:4900011910","490:4900011018","490:4900011381","490:4900011095","490:4900010919","490:4900010062","490:4900011238","490:4900010161","490:4900011015"],"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":[0.690933697079521,0.5192097485008059,0.476204780223755,0.4345118151962349,0.432542215475027,0.4149139161968554,0.4031871170479891,0.3988701347068457,0.3562806538815334,0.3538649185282285,0.33008189508233327,0.3184201715251342,0.31036646794942896,0.3078190529154394,0.2951003270429562,0.2733327248696914,0.2343546941687616,0.23216261231135202,0.20968479813193752,0.19371285998342677,0.18606226437840542,0.18076932917292757,0.1804039326060403,0.17589657537625825,0.17508588300244726],"twin_dists":[0.111678679989743,0.14869889658745886,0.15820261872763924,0.1676872411687519,0.16814361385910953,0.17226706026305447,0.17505178089923454,0.176085992082032,0.1865891445724284,0.1872031623866403,0.19337037565747103,0.1964828426688111,0.19866989299762072,0.19936839261661105,0.20290700512182555,0.2091798224925114,0.2212383986653498,0.22195373098686122,0.22956209944033967,0.23531152060103536,0.2381824382333226,0.2402174951469207,0.2403595295984738,0.2421286188351457,0.2424502178346533],"n_dims_used":45,"mean_confidence":0.8911117553710938},"coverage":{"mean_confidence":0.8911117553710938,"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}}