{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":493,"cluster_id":4930000821},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["493:4930002522","469:4690000146","493:4930002689","466:4660010748","488:4880001447","489:4890001576","493:4930006342","466:4660011358","470:4700000797","488:4880004380","500:5000007730","488:4880001739","481:4810000846","500:5000011152","472:4720002288","485:4850000678","489:4890001244","481:4810001175","496:4960004176","488:4880003422","469:4690000460","485:4850003047","478:4780007964","494:4940000546","466:4660014282"],"twin_admin_codes":[493,469,493,466,488,489,493,466,470,488,500,488,481,500,472,485,489,481,496,488,469,485,478,494,466],"twin_sims":[0.06145632787183005,0.05742140007671771,0.013794822368071287,0.011224420462085606,0.010565785324622544,0.008632407455054966,0.008278626646899531,0.006949691874988352,0.00654780743864147,0.00615283460541296,0.005377826268042183,0.005341677287782327,0.005036429933821269,0.00432801388926656,0.0041857722824916056,0.0037698482081307545,0.003400151573370659,0.0029555766885322908,0.0029371546566454437,0.0027354319826293425,0.002730656192487739,0.0025506656282017594,0.0023461053293465112,0.0023093257702377426,0.002254806390504957],"twin_dists":[0.30675839634777463,0.3104700197329232,0.3801336367490557,0.38917572105229664,0.3917878390455895,0.40039408612499844,0.4021530810658213,0.40942643039083376,0.4118731395638897,0.414413285565284,0.4198571621023532,0.4201280309606948,0.42248383493931047,0.4284931750749988,0.4298066234189661,0.4338943367443203,0.4378883647605148,0.44325313891780205,0.4434910045279196,0.4461889342458522,0.4462549876888014,0.448824917190018,0.45195570065515334,0.4525450250449306,0.4534346410449578],"n_dims_used":45,"mean_confidence":0.9198182847764756},"coverage":{"mean_confidence":0.9198182847764756,"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}}