{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000751},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000750","500:5000000991","500:5000000866","500:5000000878","500:5000001111","500:5000000940","500:5000000804","500:5000000761","500:5000000814","485:4850008394","500:5000000694","485:4850008395","500:5000000748","500:5000001051","500:5000000941","500:5000000702","500:5000000706","500:5000000877","500:5000000704","500:5000000747","500:5000000703","500:5000000867","485:4850008345","500:5000001165","500:5000000815"],"twin_admin_codes":[500,500,500,500,500,500,500,500,500,485,500,485,500,500,500,500,500,500,500,500,500,500,485,500,500],"twin_sims":[0.9653668790680456,0.9481397547717829,0.8790208296133859,0.8789942087792307,0.8427026870170972,0.839954085239077,0.8353003054920325,0.811410119740413,0.8013267908501954,0.7874259318664869,0.77491453277699,0.7500870330975572,0.7348733986466975,0.7231750642926335,0.6870046403231356,0.6816787222594811,0.6703625956064277,0.6648710445483393,0.6569919103180583,0.6405623639420712,0.628586221578544,0.6167679194714338,0.6157000112463749,0.6135172302273756,0.6011921306988327],"twin_dists":[0.0344826250278276,0.042385018748330935,0.06595442434936523,0.0659621690980557,0.07598291703938899,0.07670472301396777,0.07791689335098202,0.08396396278013243,0.08643953300165705,0.08978939485368097,0.09274939677300642,0.09849351545594356,0.10194229675025641,0.10456371533086027,0.11253670898195726,0.11369720501210284,0.1161540557391345,0.11734246895188617,0.1190437759672465,0.12257961077789532,0.12514969683575003,0.1276822062359884,0.12791093295705117,0.12837840874240525,0.1310176390514123],"n_dims_used":44,"mean_confidence":0.9166894392533735},"coverage":{"mean_confidence":0.9166894392533735,"n_dims_used":44,"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}}