{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003949},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003398","490:4900002697","490:4900004217","490:4900002990","490:4900001246","490:4900003810","490:4900002698","490:4900003803","490:4900004226","490:4900003535","490:4900003662","490:4900003792","490:4900004223","490:4900003654","490:4900003127","490:4900002996","490:4900002550","490:4900003257","490:4900002995","490:4900003660","490:4900004357","490:4900004090","490:4900004354","490:4900003529","490:4900003670"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4903664753873824,0.45373041790346375,0.452532115604496,0.35349958206043675,0.348969777523428,0.3447270345954972,0.3176767855729575,0.28257538212410965,0.2722245752803905,0.2309608760495363,0.2231775602231519,0.20501692548889577,0.18197328512872418,0.17575004312964812,0.16580431379243812,0.16092941706395095,0.15679323523774458,0.1554304126513306,0.1526412915350383,0.15205935470084195,0.14549221760440145,0.14530596512798366,0.1432771925785003,0.132054437184589,0.12953922408515814],"twin_dists":[0.15504666929453356,0.16327573958594319,0.16354870383698902,0.18729621024732623,0.18845409793094975,0.18954578571920092,0.1966833926839631,0.2064808240246708,0.2095071457432858,0.22234777363817806,0.2249332829080361,0.23121034791294104,0.23975093393820124,0.24218666937900973,0.24621044903912057,0.24824647306979414,0.2500093875552997,0.2505976715075994,0.25181350979729156,0.25206923951139787,0.2550063436784986,0.25509105959194006,0.25601909107775667,0.2613377431060351,0.2625759945720312],"n_dims_used":45,"mean_confidence":0.9189432779947917},"coverage":{"mean_confidence":0.9189432779947917,"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}}