{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009990},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009172","490:4900009277","490:4900009890","490:4900010185","490:4900011546","490:4900006739","490:4900011481","490:4900011203","490:4900004667","490:4900009382","490:4900008949","490:4900009369","490:4900009375","490:4900009376","490:4900004932","490:4900008173","490:4900009059","490:4900004808","490:4900009574","490:4900006737","490:4900006983","490:4900011611","490:4900008722","490:4900010188","490:4900011194"],"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":[0.566554054655111,0.5541468334512875,0.48469886058158707,0.4745354810883062,0.4305756477699238,0.40659955326743713,0.3682349552813832,0.3653568985295366,0.3633995327035749,0.340585328684273,0.33645128507067296,0.32398946727495226,0.32022319953247963,0.3179135981748662,0.3006074167545971,0.2955701573482894,0.29328503709729314,0.28895356503154096,0.2841354024246642,0.2840029607161332,0.27400858983051224,0.27225091037449634,0.2716729063910502,0.26997576019520403,0.2683044447454083],"twin_dists":[0.13844678636666935,0.14111872599832284,0.15630625069895188,0.15857657753000198,0.16860012113996986,0.17423779186825314,0.1835815344459871,0.18430105884584702,0.1847920372696536,0.1906183726299959,0.19169596719340465,0.19498864981434993,0.19599751508546182,0.19661947690587522,0.20136411055869732,0.20277471784093032,0.2034192979378203,0.2046493316327954,0.20603058660496737,0.2060687525861868,0.20898058700693656,0.20949935742907888,0.20967040253760458,0.21017392910191848,0.21067170775588726],"n_dims_used":45,"mean_confidence":0.9137635972764757},"coverage":{"mean_confidence":0.9137635972764757,"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}}