{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002940},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002639","499:4990002233","499:4990002476","499:4990002392","499:4990002716","488:4880000103","499:4990002237","499:4990000680","477:4770004005","499:4990002557","499:4990002642","499:4990001977","477:4770003726","499:4990000777","499:4990002316","499:4990002483","477:4770004031","499:4990000421","499:4990003093","499:4990003215","485:4850001297","477:4770000620","499:4990002730","488:4880000138","499:4990002811"],"twin_admin_codes":[499,499,499,499,499,488,499,499,477,499,499,499,477,499,499,499,477,499,499,499,485,477,499,488,499],"twin_sims":[0.7896874908599736,0.7229663819456903,0.68342810413655,0.5717780211685674,0.5638751656909421,0.5625245412925153,0.5442713385176152,0.5171851968430164,0.5123532914132323,0.510706085589045,0.501129855006545,0.5003274988627762,0.49908356169773793,0.4948233003500581,0.49248679111159055,0.48913652771028837,0.48895409984534394,0.48644607852763494,0.4805344052329634,0.47731478426084784,0.4629985931268783,0.45866062884763953,0.45586218841174697,0.4541409126289465,0.44651633134330226],"twin_dists":[0.08924900549880824,0.10461026053876461,0.11331633731453727,0.13732400842335024,0.13902302728277846,0.13931368339698263,0.14325189771318933,0.14914141193659866,0.15019925438479023,0.15056044415946448,0.15266634335723978,0.1528432799273375,0.15311775068717387,0.15405923312787756,0.1545765731908691,0.1553196388461423,0.15536014367244994,0.15591746946969529,0.15723466556116228,0.15795419087278176,0.1611732721106385,0.16215543207582397,0.16279079090256632,0.1631822929581596,0.16492314189567045],"n_dims_used":45,"mean_confidence":0.9332239786783855},"coverage":{"mean_confidence":0.9332239786783855,"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}}