{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003445},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002138","490:4900003994","490:4900003987","490:4900003444","490:4900001680","490:4900002741","490:4900002444","490:4900003036","490:4900004550","490:4900001824","490:4900004553","490:4900001832","490:4900002737","490:4900003321","490:4900003575","490:4900003446","490:4900004284","490:4900001146","490:4900002898","490:4900001973","490:4900003991","490:4900004402","490:4900001681","490:4900003465","490:4900003310"],"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":[0.8157309982055211,0.5520327759284518,0.5399027507202706,0.5270733262767958,0.4878397616450518,0.47097467180940467,0.43298013274336256,0.4302208722557085,0.4299429644072838,0.4117892618685185,0.39360439472728936,0.39303263360639384,0.3900817452260846,0.3846462265050888,0.38312888268122913,0.3705132890867965,0.3703668002006753,0.36559978104065693,0.3613088689011871,0.35881446093857605,0.3310113051137977,0.3178324766569512,0.3072966303343378,0.3051716078382765,0.3036424506387109],"twin_dists":[0.08289017475843617,0.14157485052257826,0.14419767832330455,0.14698390980976692,0.15560766153189873,0.15937573114863213,0.16804207266024596,0.16868256660913536,0.16874716831409892,0.1730056442328137,0.1773544379723322,0.17749263756553615,0.17820738635555938,0.17953063503256336,0.17990160708245023,0.18301393382645012,0.1830503762334048,0.18424022767757378,0.18531793222940698,0.1859474175476957,0.19312495654454406,0.19664136859933556,0.1995120507385509,0.2000978558280102,0.20052086016832313],"n_dims_used":45,"mean_confidence":0.9211815728081597},"coverage":{"mean_confidence":0.9211815728081597,"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}}