{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002607},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003748","487:4870001495","487:4870000842","494:4940007694","490:4900003055","494:4940007812","494:4940007813","494:4940007280","487:4870001400","494:4940007898","487:4870001115","487:4870002118","494:4940007892","494:4940007054","490:4900001844","490:4900003190","494:4940007388","494:4940004058","494:4940004669","494:4940008205","481:4810000295","494:4940007483","490:4900004422","494:4940007397","487:4870002659"],"twin_admin_codes":[490,487,487,494,490,494,494,494,487,494,487,487,494,494,490,490,494,494,494,494,481,494,490,494,487],"twin_sims":[0.4805320438530479,0.44613595686275836,0.4170532467425888,0.4113205616095491,0.39314028562947295,0.37154866382100377,0.3402221680147691,0.31881265384399665,0.31386374743750595,0.3044221039158358,0.2939419671832835,0.2829667384553765,0.26737737303539144,0.25669684620002065,0.25404583912581896,0.2444970141786455,0.24223560887868792,0.22426102310737453,0.22354722416812634,0.21073875567592837,0.20715646850445618,0.20629100483566734,0.20202188264667595,0.19768714453973488,0.1932819166226726],"twin_dists":[0.15723519271953348,0.16501028046948416,0.17176276573966787,0.17311664234052987,0.17746661001447736,0.18275656455730976,0.19071275262467743,0.19637706548865996,0.19771626432112543,0.20030503406388295,0.20323368979275697,0.20636773397650238,0.21094865239649424,0.21418342550892067,0.214999402622014,0.2179843497077709,0.2187021918506178,0.22456982305834697,0.22480914312830685,0.22919340772377234,0.23045172062691058,0.23075794405761837,0.23228147417353018,0.23385123698488736,0.23547110944298638],"n_dims_used":45,"mean_confidence":0.9177594502766927},"coverage":{"mean_confidence":0.9177594502766927,"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}}