{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001030},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002461","490:4900002318","490:4900001598","490:4900004437","490:4900003598","490:4900002467","490:4900002340","490:4900003073","490:4900001696","490:4900002321","490:4900001467","490:4900002793","490:4900001697","490:4900003325","490:4900001870","493:4930006990","490:4900002617","490:4900002332","490:4900001471","490:4900001703","490:4900002180","490:4900002628","490:4900004294","490:4900002031","490:4900004152"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,493,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5700575976946729,0.5528460060047367,0.5454580466072381,0.5090733949013505,0.49973078962991757,0.4911051579134382,0.48663947370253235,0.4866093539122354,0.47259924344437454,0.4631561464927236,0.46165890060342485,0.4431608043591019,0.4412007669189197,0.41964583849468967,0.4159174982877374,0.4102587727100098,0.4096087850359893,0.406542511426316,0.40566360759301356,0.405076565511131,0.40340999637299607,0.40070567732360657,0.39724261093070923,0.3859765347161458,0.37810602461351644],"twin_dists":[0.13769364863262917,0.1413993575592433,0.1429952177447676,0.15091874544149436,0.15297491810279484,0.154882827412435,0.15587446264030566,0.155881160274795,0.15901087954737336,0.16113766171643537,0.16147624321529996,0.16569282901724228,0.1661434578999802,0.1711531076715684,0.17203035161219485,0.17336830120477587,0.1735224983781076,0.17425137329860244,0.1744607440038111,0.17460070061525335,0.17499852222431755,0.17564563818317344,0.17647721479969908,0.17920596450457238,0.18113469863051088],"n_dims_used":45,"mean_confidence":0.917057376437717},"coverage":{"mean_confidence":0.917057376437717,"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}}