{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002350},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002804","490:4900002806","496:4960012061","490:4900002507","496:4960012130","490:4900001219","490:4900005673","490:4900002351","490:4900002654","496:4960012190","490:4900002656","496:4960012000","490:4900002195","490:4900002355","490:4900003892","490:4900004593","490:4900004738","490:4900004873","490:4900006181","496:4960011571","490:4900001220","496:4960011466","470:4700001513","490:4900000685","490:4900006038"],"twin_admin_codes":[490,490,496,490,496,490,490,490,490,496,490,496,490,490,490,490,490,490,490,496,490,496,470,490,490],"twin_sims":[0.7664667164331939,0.7660829489107919,0.644422138079315,0.6028534149754092,0.5090223248869026,0.49390718939248635,0.47889300067727353,0.46562522068858847,0.46052053653771785,0.4521763257860106,0.45183224157618485,0.422925769149366,0.42164763988592074,0.3852119130613556,0.3797048499802028,0.36184886491550156,0.3568920273839894,0.3567381205661098,0.35549252926540637,0.3553144273501169,0.3491795937684094,0.34615103863804775,0.3434956141421598,0.34348241412399394,0.3383791310308528],"twin_dists":[0.09472187266587492,0.09481101351718756,0.12175014852954374,0.1306618936926061,0.15092995776806778,0.15426198951280326,0.157601294963044,0.16058014968058884,0.16173392791288235,0.16362980140215883,0.1637082532909761,0.17038410173406154,0.17068346944818183,0.17939251030046804,0.1807413399872079,0.18518195154978437,0.1864340902707889,0.1864731106594258,0.18678922839370568,0.1868344754355854,0.18840029265336472,0.1891785923329266,0.1898639687811281,0.18986738277636064,0.1911925660640927],"n_dims_used":45,"mean_confidence":0.9164990743001302},"coverage":{"mean_confidence":0.9164990743001302,"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}}