{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011417},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012079","490:4900012013","490:4900011355","490:4900011486","490:4900011618","490:4900011946","490:4900010559","490:4900011352","490:4900012014","490:4900011553","490:4900008735","490:4900009284","490:4900011556","490:4900011815","490:4900011424","466:4660004380","490:4900011487","490:4900009591","490:4900011484","490:4900009285","490:4900011877","490:4900008069","490:4900003978","490:4900012085","490:4900011816"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5290939612193974,0.5227951473497948,0.47247773796500203,0.4508780050884938,0.44187592655161445,0.436077952874014,0.434497996419331,0.417797739889807,0.3832449947156563,0.3817407662970409,0.3595916041017041,0.32942138022612316,0.3099310901076589,0.30818318749071594,0.2983831414609228,0.29678081241351284,0.28451481200877826,0.2833166474435348,0.26310341261518966,0.2521490719153962,0.2469970398100439,0.2448310912362835,0.24224788734465486,0.23801893540640298,0.23277610509101365],"twin_dists":[0.14654415182505234,0.147916217308526,0.15903815313593545,0.16392593717391535,0.16598814568576786,0.1673249448455698,0.16769044019977145,0.17158753023145232,0.17987319431830118,0.18024160118482208,0.1857510597685236,0.1935450211775939,0.19878903962230945,0.19926834424111584,0.2019852610831494,0.2024344112293684,0.20592131072043113,0.20626670090653595,0.21223320200557408,0.21558654863865695,0.21719572820102598,0.21787866692950753,0.21869828259960672,0.22005238429543644,0.2217530872647218],"n_dims_used":45,"mean_confidence":0.9123935275607639},"coverage":{"mean_confidence":0.9123935275607639,"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}}