{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002502},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800005126","480:4800004609","493:4930000395","466:4660002640","480:4800001731","490:4900005905","480:4800003819","490:4900004316","480:4800004124","480:4800005015","480:4800003414","481:4810003662","480:4800005832","480:4800004801","490:4900004315","490:4900002641","480:4800004707","480:4800003169","480:4800004778","490:4900004177","480:4800003478","480:4800004497","480:4800003670","493:4930000116","496:4960007788"],"twin_admin_codes":[480,480,493,466,480,490,480,490,480,480,480,481,480,480,490,490,480,480,480,490,480,480,480,493,496],"twin_sims":[0.11034601046055217,0.08187776857713558,0.07463587103505882,0.07378149299915183,0.07293778125380103,0.07029896741499721,0.06898627510956828,0.06690291871364554,0.06553114231826213,0.06509628688185193,0.061222664385804176,0.06104806739214233,0.056977254511489696,0.05625891602495099,0.055320684979066455,0.0515703019142116,0.0503695849473945,0.04530071636341615,0.044241382210518675,0.04300046042330401,0.041719478238963874,0.040515723389764564,0.039789242596382154,0.03916202976086541,0.03879324398935124],"twin_dists":[0.27268287889358284,0.2905549621277125,0.29588213331167595,0.2965377473098257,0.29719122558408556,0.2992753565457844,0.3003358515692258,0.3020531403590963,0.30320782709640787,0.3035779827576434,0.3069677855150181,0.3071246730591552,0.3108915898920207,0.311579194056888,0.312488293428496,0.31625487391670287,0.3175088720133381,0.3230943370488703,0.3243272898432111,0.3258035258812203,0.32736549578340346,0.3288705733968072,0.3297972641050364,0.33060890048586267,0.3310912683131998],"n_dims_used":45,"mean_confidence":0.9159225463867188},"coverage":{"mean_confidence":0.9159225463867188,"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}}