{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001976},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001973","490:4900001680","490:4900001832","490:4900004402","490:4900001681","490:4900001414","490:4900003700","490:4900002444","490:4900003720","490:4900004128","490:4900003987","490:4900001684","490:4900001975","490:4900002288","490:4900002741","490:4900003036","490:4900002143","490:4900004282","490:4900003444","490:4900003035","490:4900004971","490:4900004135","490:4900001548","490:4900003310","490:4900004959"],"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":[0.834554729748454,0.691740438228862,0.6903650840378489,0.6496753749479813,0.6384996897878755,0.6258879709783132,0.5913886578400471,0.5342868453699908,0.5340742492770791,0.5328611413339361,0.5205465861455508,0.5132501668756819,0.5117333110970903,0.5063852233782528,0.5039908639882444,0.498203876805177,0.48809291594031107,0.4803943079292085,0.4793275306145845,0.47468152282579207,0.45918793824224263,0.4539850222781454,0.45266186303901174,0.43441929055205014,0.43352227037697244],"twin_dists":[0.07810996626210269,0.11150229365508586,0.11180295821699712,0.12062011660687166,0.12302262203435387,0.12572814785998349,0.1331174658940273,0.14541563532275914,0.1454617920368003,0.14572524140665682,0.14840692280496148,0.1500027162087403,0.150335165424542,0.15150932898338085,0.1520360627152623,0.15331196610396272,0.15555141565927255,0.1572659425405375,0.15750419792756995,0.1585438438404723,0.162035867961824,0.16321777679719984,0.163519135495343,0.1677086612943045,0.1679164228327127],"n_dims_used":45,"mean_confidence":0.9204327901204427},"coverage":{"mean_confidence":0.9204327901204427,"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}}