{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010963},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010780","490:4900010696","490:4900010703","490:4900011797","490:4900010694","490:4900010795","490:4900010864","490:4900010697","490:4900011918","490:4900011719","490:4900010350","490:4900011258","490:4900013282","490:4900011808","490:4900011325","490:4900011328","490:4900010961","490:4900011256","490:4900011994","490:4900010611","490:4900010944","490:4900011742","490:4900010880","490:4900011919","466:4660007879"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466],"twin_sims":[0.2143827060466832,0.18812648642466664,0.1138598112865677,0.08645299816343247,0.07369884115510934,0.059910167967380294,0.05450288165521096,0.053766744757473346,0.05222858956007203,0.04193776648284379,0.04055861693939356,0.04025346280311685,0.032923324115707406,0.030650814906841316,0.028888352369021715,0.028184955410242647,0.026274773018978972,0.02615088215971836,0.025420455320445443,0.025125869525961207,0.02384250479359867,0.023077957505737524,0.021191046234612574,0.02098687473050961,0.01904859392620397],"twin_dists":[0.2279282462786274,0.2373998160876933,0.27073690030328185,0.28738112790981696,0.2966014957415343,0.30815628285645275,0.3132911680558946,0.3140224445477743,0.31557764651794923,0.32709649655810874,0.32881629873639917,0.329203479505027,0.3393465987768404,0.34288320930129623,0.3457841724284321,0.3469845250915651,0.3503794154794994,0.3506068698935174,0.3519671019256707,0.35252526169073234,0.3550249410316682,0.3565700365050708,0.36058249995002567,0.36103509929265465,0.3655343685142678],"n_dims_used":45,"mean_confidence":0.9188215467664931},"coverage":{"mean_confidence":0.9188215467664931,"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}}