{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000296},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000436","490:4900000250","490:4900000337","490:4900000218","490:4900000081","490:4900000295","490:4900000073","490:4900000182","490:4900000031","490:4900000506","490:4900000098","490:4900000249","490:4900000234","490:4900000155","490:4900000236","490:4900000165","490:4900001741","490:4900000139","490:4900000491","490:4900000841","490:4900000325","490:4900000939","490:4900000065","490:4900000434","490:4900000497"],"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":[0.6713988718181884,0.5995761093875361,0.5798038022102315,0.5485238517422635,0.5428280430642489,0.5334212994409226,0.5152871107737514,0.5134819739567826,0.5074513313745643,0.4564098674835132,0.44392199852620723,0.43421425690017057,0.4203862553909878,0.41521796426247864,0.38839624751019086,0.3778728597956083,0.3727543445976419,0.36512558786646016,0.3648318913829301,0.3642042218459915,0.35268298440456014,0.3525363039544844,0.3524005805907145,0.33980441717625115,0.3390829184122415],"twin_dists":[0.11592953133381353,0.13136370819593218,0.13560109387054317,0.1423325448593185,0.14356421095210925,0.14560357725167228,0.149556665373278,0.1499519328250539,0.15127500988352346,0.16266633493525293,0.1655180318007941,0.16775613457979316,0.1709792899562868,0.1721953203152745,0.17861677513647256,0.18119213150568436,0.1824573082176043,0.18435901071431807,0.18443261919185264,0.18459003080770872,0.18750437095633618,0.18754178813343342,0.187576417450479,0.19082138662514248,0.19100917774077478],"n_dims_used":45,"mean_confidence":0.9176984151204427},"coverage":{"mean_confidence":0.9176984151204427,"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}}