{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001172},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001189","490:4900000387","490:4900001867","487:4870011457","487:4870003123","496:4960008483","487:4870011464","487:4870010456","490:4900003884","487:4870012576","466:4660011829","490:4900000485","490:4900002009","490:4900003904","466:4660004262","494:4940008430","490:4900007256","490:4900006158","487:4870004386","470:4700007822","490:4900001171","487:4870001312","467:4670002224","494:4940006165","487:4870002263"],"twin_admin_codes":[490,490,490,487,487,496,487,487,490,487,466,490,490,490,466,494,490,490,487,470,490,487,467,494,487],"twin_sims":[0.2683490986757341,0.265464896984631,0.20570892088012283,0.2029129912317115,0.17363578014153175,0.1717641651927104,0.1656276290541843,0.15406412294001565,0.13570510637223396,0.12011936645319952,0.1171690589500532,0.11385933349819305,0.11179860284798544,0.11019581829257705,0.11000758197597488,0.10588742237368094,0.10289223827607942,0.09753088200579792,0.09680422168610155,0.09418793653635232,0.09395930788025945,0.08849010805564052,0.08659247623973876,0.08646097974243798,0.08540692779714376],"twin_dists":[0.2106583832566418,0.2115218580755863,0.23096439438548957,0.23196165216279363,0.2430281278295146,0.24377914370636786,0.2462834807571897,0.25119125149087873,0.2595717057649235,0.2673818467027318,0.2689460399786835,0.27073716173968526,0.2718727024025132,0.27276711710217855,0.2728728185742112,0.27522232107230343,0.27697530638802376,0.28021522741570004,0.2806650277202789,0.2823068181273281,0.28245198839814323,0.2860108984874733,0.2872864961861967,0.2873757093702059,0.2880947564278479],"n_dims_used":45,"mean_confidence":0.9152663336859809},"coverage":{"mean_confidence":0.9152663336859809,"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}}