{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000982},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000632","490:4900000441","490:4900000858","490:4900000534","490:4900000443","490:4900000440","490:4900000635","490:4900000634","494:4940007734","490:4900000981","490:4900000536","494:4940007834","490:4900000528","490:4900000364","490:4900012594","490:4900000367","490:4900000856","490:4900000449","494:4940007517","490:4900012377","490:4900000983","490:4900012298","490:4900000978","490:4900000455","490:4900002414"],"twin_admin_codes":[490,490,490,490,490,490,490,490,494,490,490,494,490,490,490,490,490,490,494,490,490,490,490,490,490],"twin_sims":[0.35439097141897163,0.32786284207266597,0.29138681157915497,0.2758910198391262,0.2627780616383195,0.25505610269909545,0.21789725155193004,0.17272480595314557,0.16659311139154126,0.16189799188939172,0.14825057107864253,0.11668062934256174,0.10531240637402929,0.10335722996679773,0.10183004661498965,0.09964333062495023,0.095658970005173,0.09402978608719981,0.09186445874700598,0.08375267132063198,0.07350208802903131,0.072345987381378,0.0677187759802498,0.06597671251162374,0.06490390537670096],"twin_dists":[0.18706926899537485,0.19395787639202156,0.20395700911798928,0.20842725702879994,0.21233151888340338,0.2146878110058793,0.22672169945689255,0.24339294385763555,0.24588508690912467,0.24783842083515603,0.2537610152160401,0.2692078986612871,0.27555583840855785,0.27670057696953365,0.27760653068342267,0.2789223968148806,0.28137935206988934,0.282407207820442,0.28379528356508216,0.2892376394919662,0.29675348204134117,0.2976532447843456,0.3013755203845398,0.30283062543053724,0.3037423856589321],"n_dims_used":45,"mean_confidence":0.9116093105740017},"coverage":{"mean_confidence":0.9116093105740017,"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}}