{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910002178},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["475:4750008434","475:4750009144","475:4750008604","475:4750008143","475:4750008378","475:4750008547","475:4750008494","475:4750008269","475:4750008376","475:4750008310","475:4750009600","475:4750009192","475:4750008199","475:4750008325","475:4750008069","475:4750009004","492:4920006300","475:4750008668","475:4750009718","475:4750002795","475:4750008776","475:4750008953","475:4750008782","475:4750008955","475:4750004245"],"twin_admin_codes":[475,475,475,475,475,475,475,475,475,475,475,475,475,475,475,475,492,475,475,475,475,475,475,475,475],"twin_sims":[0.0007332457330501349,0.0007075313229318615,0.0006744659327730713,0.0005444924166019956,0.0005230404523233448,0.00038490112711693985,0.0003534916990558794,0.00028632039837701487,0.0002643124268745347,0.00025053831129625735,0.0002501196776906814,0.00024763499441014553,0.0002471681458845629,0.0002325509866437346,0.00021815843542927476,0.00021767907056623704,0.0002055900600081542,0.0001862885599128807,0.00018578384117105812,0.0001802309163292061,0.00016963375735022779,0.00016633384763600892,0.00016478467185220398,0.0001618247982414854,0.00014604403923160688],"twin_dists":[0.4934557061825885,0.4946744696370358,0.49630373918434106,0.5035264705795012,0.5048711542963878,0.5150149522388517,0.5177954451446466,0.5246157409327175,0.5271809644582298,0.5288905875339442,0.5289439189349667,0.5292621896787867,0.529322324471776,0.5312613037253158,0.5332858681667418,0.533355439617054,0.5351593685755393,0.538257716845144,0.5383427278931143,0.5392926595523944,0.5411846296289593,0.5417965647635365,0.5420878008111781,0.5426514885603171,0.5458315021785082],"n_dims_used":45,"mean_confidence":0.8771791246202257},"coverage":{"mean_confidence":0.8771791246202257,"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}}