{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700008660},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["479:4790000416","470:4700007720","481:4810002586","470:4700008453","472:4720001295","479:4790002535","479:4790000762","499:4990001967","470:4700008347","470:4700008584","472:4720000708","481:4810002526","470:4700000888","489:4890004051","479:4790000075","472:4720000707","472:4720001235","479:4790001398","479:4790001112","472:4720002183","472:4720000633","496:4960003545","485:4850001009","479:4790003653","479:4790000349"],"twin_admin_codes":[479,470,481,470,472,479,479,499,470,470,472,481,470,489,479,472,472,479,479,472,472,496,485,479,479],"twin_sims":[0.4656313652331792,0.4646541946259579,0.4605166715937214,0.456854291199515,0.44066223848965985,0.4399701546466249,0.4259350735156445,0.42403202421133646,0.41725554499753303,0.41698018736402775,0.4109455498842152,0.40980018631865706,0.40902910992810904,0.40650881986793747,0.39484388540631504,0.3903269262059101,0.38825838018656383,0.3868571472356542,0.3861281316305353,0.3822169106980348,0.3708086518848393,0.368216738371203,0.3674802379123729,0.3554896635436456,0.3546981183369656],"twin_dists":[0.1605787635375539,0.16079928240476568,0.16173480318160377,0.16256538277020233,0.166267406047197,0.16642678340076947,0.16968074219596882,0.17012529693265083,0.17171513643879602,0.17177996934333914,0.17320549284917103,0.17347708091495173,0.17366010603708895,0.17425939551948955,0.17705516146981995,0.1781479038604759,0.17865029854008851,0.1789913374946528,0.1791690000578022,0.1801249114386442,0.18294047742322792,0.18358607986336237,0.18376994302115424,0.18678995634162915,0.18699114016464116],"n_dims_used":43,"mean_confidence":0.9161127667094386},"coverage":{"mean_confidence":0.9161127667094386,"n_dims_used":43,"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}}