{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001206},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001081","470:4700006866","470:4700007187","469:4690008846","472:4720000545","469:4690000050","489:4890004487","469:4690000475","488:4880001541","479:4790002046","499:4990000325","496:4960011512","488:4880001113","478:4780001418","467:4670000241","472:4720005518","489:4890005481","478:4780001717","479:4790005023","499:4990000379","496:4960006209","472:4720005233","479:4790003245","500:5000006535","488:4880000275"],"twin_admin_codes":[489,470,470,469,472,469,489,469,488,479,499,496,488,478,467,472,489,478,479,499,496,472,479,500,488],"twin_sims":[0.8538872304797084,0.6670973987368722,0.6318640176810453,0.6115475531411241,0.4785618788430999,0.46601745143332024,0.44715212064274446,0.43989439226219756,0.43657216443245905,0.4329586889262093,0.42609429494409123,0.4251565016714665,0.408456006059024,0.4068156709703658,0.4054156202916402,0.40269340932294656,0.3984635262346537,0.39028550609201085,0.3861321397807075,0.3845874017033394,0.3844175610840891,0.3843907331286716,0.38003897220710575,0.37398632114258196,0.37046681216957145],"twin_dists":[0.07299735155061493,0.11686094800729703,0.12444674348604147,0.128800211265658,0.1576753041215168,0.1604916793261088,0.16477755419729886,0.16644423637767422,0.16721072592684255,0.16804704393904177,0.16964358528149448,0.16986251758948986,0.17379623827842924,0.17418634280048623,0.17451985558494781,0.1751698032039204,0.17618366379636344,0.17815795141912186,0.17916802282892075,0.1795450039468067,0.1795864961611888,0.17959305105410206,0.18065923735902414,0.18215201796273303,0.18302549523061348],"n_dims_used":45,"mean_confidence":0.9156238132052952},"coverage":{"mean_confidence":0.9156238132052952,"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}}