{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000610},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000424","490:4900000511","490:4900000188","490:4900000282","490:4900000501","490:4900000784","490:4900000099","490:4900000238","490:4900000500","490:4900000077","490:4900000226","496:4960008274","490:4900000696","490:4900000096","496:4960008364","494:4940007823","496:4960005828","490:4900001179","490:4900000422","496:4960007904","490:4900000339","490:4900000143","490:4900001735","490:4900000697","490:4900000622"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,496,490,490,496,494,496,490,490,496,490,490,490,490,490],"twin_sims":[0.5789818938304245,0.5252739406364029,0.4948464147746031,0.4606350247855991,0.4455277609665616,0.44534539261892997,0.4349328506854098,0.41320529992426236,0.39480739209787086,0.3725240686002661,0.362263792392757,0.3378208088993922,0.32826525960467523,0.32056391547432556,0.3195702020624102,0.3187405950910599,0.31252797478175376,0.30252675361223513,0.3016909145678537,0.2901988652269241,0.2888311568956277,0.28444884052475927,0.28365533645489327,0.2830251776566012,0.2826671381485818],"twin_dists":[0.13577743456871583,0.14737582750549177,0.15405411878347647,0.16170800168720034,0.16514966858676974,0.16519147843669607,0.16758979143200967,0.17267063068034405,0.17706396660835266,0.18251442695448503,0.18507753541980518,0.1913381961587797,0.1938511730422785,0.19590597585092098,0.19617310700206309,0.19639648041443714,0.19807978023768183,0.20083027141032156,0.2010625060469532,0.20429457887486113,0.20468425165758372,0.20594030523053788,0.20616897920668692,0.20635085493822972,0.20645430084265523],"n_dims_used":45,"mean_confidence":0.9106350368923611},"coverage":{"mean_confidence":0.9106350368923611,"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}}