{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004144},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001550","490:4900003180","490:4900002885","490:4900003578","490:4900003711","490:4900006389","490:4900001274","490:4900002599","490:4900003854","490:4900005755","490:4900003881","490:4900004538","490:4900003306","490:4900002881","490:4900001549","490:4900002582","490:4900001984","490:4900012636","490:4900002745","490:4900005108","490:4900003200","490:4900004693","490:4900002443","490:4900002449","490:4900001829"],"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":[0.32780998629351504,0.31800625858350073,0.30146272398194573,0.29991681075233567,0.29087907516686295,0.266007014630082,0.26233315332540946,0.25901701720037185,0.2385929890005734,0.2366982336420483,0.23388960971817543,0.23139138867773237,0.22943296463537077,0.2121740822371149,0.20327548612667687,0.19485486027285392,0.19342458915441788,0.19307177224396346,0.1916969012113954,0.1869621159047334,0.18428265588117793,0.18409953482757135,0.1785349367954293,0.17837482099162522,0.17286167649694256],"twin_dists":[0.19397189677460616,0.19659447514526537,0.20112597302935828,0.20155668028480633,0.20410118833078647,0.21135911485141748,0.21246608786101132,0.21347364160157126,0.21986766099528096,0.220478475222356,0.22138979942894227,0.22220645613091716,0.22285072299755687,0.22869331428786782,0.23183182742453382,0.23488980022613723,0.2354182469404964,0.23554902083651508,0.23606021923228884,0.23784052629783414,0.23886206458424009,0.23893225961766387,0.24108923803373378,0.2411520032663244,0.24333804390677438],"n_dims_used":45,"mean_confidence":0.9159685770670573},"coverage":{"mean_confidence":0.9159685770670573,"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}}