{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001190},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001624","491:4910002014","491:4910001330","491:4910001564","491:4910001182","491:4910001621","491:4910001192","491:4910000987","491:4910001187","491:4910001317","491:4910001194","491:4910001130","491:4910001124","491:4910001128","491:4910001186","491:4910001799","491:4910001264","491:4910001331","491:4910001514","491:4910001131","491:4910001321","491:4910001256","490:4900002971","490:4900004476","491:4910001195"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,490,491],"twin_sims":[0.5843707847441975,0.3710724915282375,0.3525414817048821,0.32570592883737726,0.31901494186217705,0.2771380436800716,0.25273549019041913,0.21992632018396177,0.21536348503930947,0.20276405883078652,0.1966284013433501,0.19382307885484715,0.18174420468951408,0.16876478056872482,0.1592866264224928,0.14134203566829295,0.14021077589506148,0.13903675747188604,0.13016145900974435,0.12500355283450934,0.12120314573666462,0.12040095942978563,0.10441823863004944,0.09220079449519046,0.088995853873234],"twin_dists":[0.1346216054198853,0.1828748853315462,0.18754046718688724,0.19453103130588725,0.19632257583493315,0.20806197235932028,0.21540472313115502,0.22603106653318655,0.22759021135025556,0.23201503729130865,0.2342382508927307,0.23527074352167995,0.2398395395064673,0.24499501835127788,0.24894266501538845,0.25691343813474193,0.2574404864609157,0.2579908187779538,0.262267988283511,0.2648556450617236,0.26681462531852873,0.2672340938029326,0.27607729370002393,0.28357799318114957,0.28567460382730686],"n_dims_used":45,"mean_confidence":0.8963490804036458},"coverage":{"mean_confidence":0.8963490804036458,"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}}