{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000583},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000580","490:4900000394","490:4900000606","490:4900000608","490:4900000607","490:4900001082","490:4900000235","490:4900000285","490:4900000239","490:4900000109","494:4940007620","490:4900000687","496:4960008477","490:4900000408","490:4900000703","490:4900000245","490:4900000589","490:4900000585","494:4940008737","490:4900000246","490:4900000143","490:4900000496","490:4900000144","490:4900000500","490:4900001041"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,494,490,496,490,490,490,490,490,494,490,490,490,490,490,490],"twin_sims":[0.5236366276108928,0.46991321821422316,0.46458872612865443,0.45098043459998105,0.44642472597225025,0.427228062700921,0.4268427191827784,0.3916518389050127,0.3802688543967596,0.3716210882652338,0.3671609682836263,0.3666117088951306,0.3629534431628745,0.34719155627437104,0.32958948768395047,0.31696779067237923,0.31463437777029235,0.29832070755727824,0.29603684541764147,0.29516205437643755,0.2950704131598204,0.2948688505245587,0.2821042134841477,0.27661933239228076,0.27619405182506884],"twin_dists":[0.1477327052989834,0.15961434399996527,0.160814062483069,0.16390256238449266,0.1649441248487317,0.16937916785739224,0.16946900517125996,0.17782677355163018,0.18060276950664364,0.1827385748861289,0.1838497041551535,0.1839870035587126,0.1849041195924494,0.18891078954563567,0.19350055395645868,0.19687491144450783,0.1975069458410088,0.2020027354268838,0.20264343802100965,0.20288961784104,0.20291543200063059,0.2029722262783,0.20661710305997766,0.20821379371204962,0.2083383986731501],"n_dims_used":45,"mean_confidence":0.9166887071397569},"coverage":{"mean_confidence":0.9166887071397569,"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}}