{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001378},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002357","491:4910001902","491:4910000980","491:4910001305","491:4910001307","491:4910001493","491:4910001549","491:4910001311","491:4910001375","491:4910001599","491:4910001380","491:4910001040","491:4910001492","491:4910001677","491:4910001852","491:4910001039","491:4910002968","491:4910001734","491:4910001241","491:4910001885","491:4910002251","491:4910001991","491:4910001850","491:4910000964","491:4910001903"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.46564339746329153,0.40441804056919634,0.40146935322618743,0.367669553689451,0.34962118613551435,0.31300339501848606,0.27251503344089156,0.2576349052155524,0.2502757248667596,0.2360739346522139,0.2291088421754896,0.22867893988906327,0.22075557779405805,0.21977822422421736,0.2172077374290731,0.20775528926302556,0.20758292744026,0.20186256972717134,0.1978898778076405,0.1849758807945175,0.18420871839492492,0.1805021538548339,0.1790491042708771,0.1781023144120946,0.17533681213157237],"twin_dists":[0.16057604921444482,0.17475780732187537,0.17546269904868156,0.18372266382797264,0.18828710610237648,0.1979502986056096,0.20942127157737858,0.21389596997979315,0.21616921336717476,0.2206804297602147,0.2229576998153119,0.22309974371193478,0.22575004190357956,0.2260813289702412,0.22695737168348964,0.23024035305912852,0.23030114949490674,0.23233875423209227,0.2337772933687351,0.23859677764380574,0.23889040081675592,0.2403213297086184,0.24088795462981083,0.2412589176041863,0.24235056186893827],"n_dims_used":45,"mean_confidence":0.8978036668565538},"coverage":{"mean_confidence":0.8978036668565538,"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}}