{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008023},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008234","490:4900008456","490:4900008568","490:4900009537","490:4900009954","490:4900008223","490:4900008238","490:4900008349","491:4910005158","490:4900009350","490:4900010596","490:4900009217","490:4900009127","490:4900011909","490:4900010248","490:4900008817","490:4900008671","490:4900009732","490:4900009118","490:4900009347","490:4900011898","490:4900008792","490:4900011013","490:4900011521","490:4900009530"],"twin_admin_codes":[490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.09593831706481469,0.05662927033650133,0.04666930770962928,0.04002988193914571,0.02202386847632019,0.018369794343494287,0.013981520507356343,0.010240311908574017,0.00790860309616945,0.00734817801823228,0.0058981383024038206,0.005577313516794176,0.004346152239396625,0.00266389908178904,0.0016751834520471816,0.001551628397737744,0.0010404279689931694,0.0008520284454709046,0.0007524253560898724,0.000729478288236071,0.0005582433769453815,0.0005400343832290751,0.0005325629519296364,0.00044371231124213246,0.0003984459724604532],"twin_dists":[0.28120449810707077,0.3112237858361501,0.3215367368418492,0.3294887359384089,0.35877476198024905,0.3672049295062847,0.37953666469563846,0.3931325915987874,0.40406639790554094,0.40712297617801924,0.4161304440793963,0.4183913438623215,0.42832851515124487,0.44718954113828324,0.464356511673423,0.467131299367093,0.4813465690329639,0.48829666113375003,0.49257230097256743,0.493631756784346,0.5026902897496627,0.503801793353685,0.5042680136697578,0.5103368080362639,0.5138809880803442],"n_dims_used":45,"mean_confidence":0.9029630872938368},"coverage":{"mean_confidence":0.9029630872938368,"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}}