{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000256},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000308","489:4890000447","489:4890000063","489:4890000418","489:4890000416","489:4890000491","489:4890000106","489:4890000413","489:4890000237","489:4890000179","489:4890000374","489:4890000283","489:4890000296","489:4890000232","489:4890000224","489:4890000122","489:4890000541","489:4890000498","489:4890000141","489:4890000342","489:4890000255","481:4810006150","485:4850001210","489:4890000309","472:4720002622"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,481,485,489,472],"twin_sims":[0.7761958256277232,0.7188126604590728,0.5801101885409707,0.5645216294710973,0.5603233579720145,0.5525937128675332,0.5492707686591812,0.5490954724259801,0.5478327878665795,0.5336366999100817,0.5140307287598634,0.5029868452930628,0.497230082583022,0.49242085403426633,0.4874318820498754,0.4797975550986856,0.47153376399352614,0.4624763302101078,0.45213685523648567,0.444729508069434,0.44166271579934574,0.441411634273659,0.43723669216462,0.42892268571309566,0.4285352221758346],"twin_dists":[0.09244845842372851,0.10553523017069398,0.13553536390957166,0.13888393896607096,0.13978757795682867,0.14145379742380698,0.14217119411620316,0.14220905874111825,0.1424818628463888,0.14555680007183627,0.14983173658326732,0.15225713664117288,0.1535270718196814,0.1545911831053731,0.15569830294127054,0.15739920123927925,0.15925012095078467,0.16129134500135262,0.16363879964388298,0.1653327247888988,0.16603718224978742,0.1660949405365529,0.1670572254619829,0.16898448578138242,0.16907467051749903],"n_dims_used":45,"mean_confidence":0.9147756788465712},"coverage":{"mean_confidence":0.9147756788465712,"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}}