{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700000465},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700000388","470:4700001767","470:4700000578","470:4700000554","470:4700001448","470:4700000195","470:4700000260","481:4810000824","481:4810002519","470:4700001466","470:4700000678","470:4700001306","470:4700000573","481:4810000639","481:4810003854","470:4700007249","470:4700007621","479:4790000829","470:4700007719","470:4700000409","481:4810002756","481:4810002886","470:4700000569","470:4700007623","479:4790002892"],"twin_admin_codes":[470,470,470,470,470,470,470,481,481,470,470,470,470,481,481,470,470,479,470,470,481,481,470,470,479],"twin_sims":[0.7481601452741924,0.7327160424726825,0.7241878305805858,0.6663594634774569,0.6300305449731669,0.585105710353093,0.5774896610622117,0.5232155449785515,0.5088545073019866,0.4954839347083672,0.4950207913397763,0.4897586600279453,0.48353529384186916,0.47101461655154214,0.4627683425718426,0.46238987557035666,0.4617767059563615,0.4563629215497821,0.45634034487086506,0.45049976039349066,0.4501445494191503,0.4490363874847251,0.4483738301020908,0.44712516080473885,0.4437781674106263],"twin_dists":[0.09893303210995655,0.10242759458748624,0.10433772069506203,0.11702059144656161,0.12483998577043356,0.13446403702959148,0.13609764843556926,0.147824527581794,0.1509668038633061,0.15391308701524933,0.15401553809747975,0.15518153967954962,0.1565654015129448,0.15936675517877577,0.16122532125258535,0.1613108951336538,0.16144958915925464,0.1626770009226286,0.16268213042382565,0.16401227114034717,0.16409337230131102,0.16434653989458825,0.1644980179046221,0.16478372606464126,0.16555105168977188],"n_dims_used":43,"mean_confidence":0.9126863701398983},"coverage":{"mean_confidence":0.9126863701398983,"n_dims_used":43,"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}}