{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004101},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003823","490:4900003963","490:4900003407","490:4900001808","490:4900002110","490:4900004103","490:4900003291","490:4900002415","490:4900002417","490:4900003829","490:4900002565","490:4900009489","490:4900001798","490:4900010459","490:4900001254","490:4900004376","490:4900001664","490:4900003554","490:4900001526","490:4900002266","490:4900010284","490:4900003412","490:4900002117","490:4900010194","490:4900008525"],"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":[0.675654565772469,0.433292371705596,0.39159985627501204,0.3370073437670727,0.32910163076573057,0.24259322307238163,0.23457047330261052,0.22866101114253834,0.2139359933647095,0.19255118452602846,0.1909766956623709,0.18095235485135594,0.17209524286120542,0.1650372926901815,0.1621882004011844,0.15566388086851884,0.15418370350043126,0.14438710610716915,0.14413253771038642,0.13353977250507862,0.12992669175814106,0.12566626624029273,0.12428349253251521,0.11862225612021525,0.11813789186034154],"twin_dists":[0.11500652870014677,0.16796969812702237,0.17783936344555867,0.191550609101333,0.1936296346779592,0.21858838616716872,0.22116822211760187,0.2231056713766884,0.22808255623808293,0.23574228421061508,0.23632902350136695,0.24014642702810668,0.2436458686166982,0.2465279019307703,0.24771650345506543,0.25049662436706405,0.2511391465620541,0.25551017926928893,0.25562664542099983,0.2606148283732247,0.2623840672069841,0.2645186919122933,0.2652232975395175,0.2681718629284599,0.26842909216897354],"n_dims_used":45,"mean_confidence":0.9267393324110244},"coverage":{"mean_confidence":0.9267393324110244,"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}}