{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800005050},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800004272","466:4660005575","487:4870011101","490:4900002009","466:4660005696","480:4800004959","466:4660000350","481:4810002949","490:4900003195","480:4800003802","480:4800004618","487:4870010456","480:4800004791","494:4940000779","480:4800004703","480:4800005562","467:4670001847","466:4660005924","490:4900005665","490:4900005779","467:4670002573","496:4960007682","470:4700004313","466:4660005040","468:4680001946"],"twin_admin_codes":[480,466,487,490,466,480,466,481,490,480,480,487,480,494,480,480,467,466,490,490,467,496,470,466,468],"twin_sims":[0.18284203363677387,0.14218755534555938,0.12446503516435241,0.11905924005416499,0.10858845233500286,0.08691492316826775,0.0698599471913079,0.06662650003643086,0.042560584343718226,0.04169405516737158,0.04047224055720855,0.03971056459727486,0.03860045256237923,0.036058788516878,0.03006344288698452,0.027974325149764338,0.027387653405341626,0.026510941809385086,0.02647087024250373,0.026448330688209096,0.025581278297469947,0.02457954732622139,0.023498697166842615,0.022112867004809404,0.02180066338570824],"twin_dists":[0.23941562663902574,0.25652156198883935,0.26513045217509507,0.26794048471659243,0.27367424933655615,0.2870681888856304,0.2996282275658255,0.3022842506394633,0.32633542055208375,0.3273969019889484,0.3289256432223049,0.3298984806186242,0.33134498359013775,0.33479439512746084,0.3438337397447392,0.3473489775030479,0.3483766849115728,0.3499483777191869,0.3500212794885463,0.35006232728495845,0.3516647402129055,0.3535755380684794,0.35571435680623964,0.35858511155970285,0.3592533444691583],"n_dims_used":43,"mean_confidence":0.9063120997229288},"coverage":{"mean_confidence":0.9063120997229288,"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}}