{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005809},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007304","490:4900004208","490:4900004499","490:4900004892","490:4900005944","490:4900011750","490:4900004200","490:4900003637","490:4900006187","491:4910002567","490:4900002830","490:4900005946","490:4900004483","490:4900005547","490:4900004344","491:4910005413","490:4900005680","490:4900005938","491:4910002765","490:4900004618","490:4900005295","490:4900005821","490:4900004607","490:4900005033","491:4910002416"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,491,490,490,491,490,490,490,490,490,491],"twin_sims":[0.0013478418434292613,0.0012633460483491793,0.000884020817479608,0.00035042624661078776,0.0002498288381606093,0.00018422904231837314,0.00016005793861693398,0.00014466926515592466,0.00011126443460148578,0.0000873763159915819,0.00008253888316464922,0.0000727695497867354,0.00005987389162925373,0.00005873224093064823,0.000044863782629936526,0.00003319357349999277,0.00002898882702317934,0.000020542434190823453,0.000018520001010320017,0.00001749198539132754,0.000016961820424699943,0.000014295341103041503,0.00001353158673708047,0.000013016014735348538,0.000012187855639630853],"twin_dists":[0.4721880083062436,0.4744950301962243,0.48702170616298296,0.5180790905923178,0.5289810195431073,0.5386059804423582,0.5429926256378071,0.546123697008223,0.5541731101452613,0.5614811093506246,0.563189481331055,0.5669497545995533,0.5727235179491802,0.5732902233786633,0.5811612584451633,0.589840516340474,0.5937011598275967,0.6034069272025222,0.6062971539200455,0.6078838541859599,0.6087372695093034,0.6134580369524698,0.6149658828281597,0.6160304414252996,0.6178278438069378],"n_dims_used":45,"mean_confidence":0.8958157009548611},"coverage":{"mean_confidence":0.8958157009548611,"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}}