{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000521},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990003408","472:4720003568","470:4700003286","496:4960005175","488:4880000471","489:4890002154","466:4660010410","499:4990000538","489:4890000672","488:4880005939","488:4880000795","470:4700003459","499:4990001017","470:4700004145","488:4880000407","472:4720001323","489:4890002388","488:4880001713","468:4680000420","469:4690000316","499:4990003196","472:4720001369","500:5000005023","499:4990001741","499:4990001883"],"twin_admin_codes":[499,472,470,496,488,489,466,499,489,488,488,470,499,470,488,472,489,488,468,469,499,472,500,499,499],"twin_sims":[0.40410161854187115,0.33607490363445214,0.32632555104614774,0.3215988228957956,0.3033501016209177,0.2951386525267695,0.28158855179907005,0.2805920915885995,0.27563847830279226,0.2548212820534147,0.2521813179365991,0.25068963659918975,0.25017077906941615,0.24910305138859737,0.24546401917329508,0.23846916134780408,0.23646851105916342,0.23370366930479297,0.2335660777833632,0.23207261669489998,0.23078335482312057,0.23001485873355415,0.22757493709380688,0.2274935780067685,0.22456221754127448],"twin_dists":[0.17483333800389794,0.191794430004315,0.19436616518727032,0.19562826380886308,0.2006018720498831,0.20289620939317116,0.2067664089898607,0.20705539634533454,0.2085013556430619,0.21476016586153873,0.21557654340804885,0.21604023598338562,0.21620193676361155,0.21653536755961303,0.2176786994995175,0.2199074826858533,0.22055274769081754,0.22145038458290564,0.22149523652909223,0.22198319349271886,0.2224060962253568,0.22265891859898115,0.22346532788415024,0.22349231587765428,0.22446899173420312],"n_dims_used":45,"mean_confidence":0.9188222249348958},"coverage":{"mean_confidence":0.9188222249348958,"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}}