{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800004437},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800004435","480:4800005390","480:4800005125","494:4940008235","493:4930004076","490:4900000565","480:4800004191","494:4940008026","480:4800004697","480:4800004353","480:4800004268","496:4960007782","494:4940008432","493:4930005431","490:4900000587","490:4900009096","493:4930006408","490:4900000563","493:4930004378","466:4660002544","490:4900001192","490:4900001594","493:4930004937","494:4940001116","494:4940008524"],"twin_admin_codes":[480,480,480,494,493,490,480,494,480,480,480,496,494,493,490,490,493,490,493,466,490,490,493,494,494],"twin_sims":[0.5798892846228471,0.4533761642057779,0.3713381591539247,0.3570796344135509,0.35374520720437347,0.32501594426937314,0.323302797589549,0.31296686237294874,0.3128025700409846,0.3103455961488476,0.30177861337072537,0.30005859554330233,0.2972190833746434,0.293400455112992,0.2932881786648286,0.2906636843789978,0.28862072471532635,0.2779305949270308,0.27616956158486305,0.2738286112145593,0.2688822003074766,0.2677181448284186,0.2636991451036585,0.26090081686202066,0.25985681376653724],"twin_dists":[0.13558275478960966,0.1633564082477873,0.18280886214459582,0.18638653749283043,0.1872336462739358,0.19471482382146396,0.19517209728577375,0.19796024436713416,0.19800498000117236,0.19867560264279516,0.2010381216929156,0.20151712365194732,0.2023114178575265,0.20338667007496405,0.2034184097380489,0.20416239694263302,0.20474430344357547,0.20783033545402443,0.20834557775436965,0.20903361266322606,0.21049941453376594,0.21084678429986667,0.21205337621206605,0.21290029276323325,0.2132177202394709],"n_dims_used":43,"mean_confidence":0.9212461072345113},"coverage":{"mean_confidence":0.9212461072345113,"n_dims_used":43,"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}}