{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000270},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001164","490:4900012696","490:4900013101","490:4900013100","487:4870000271","487:4870000830","490:4900013209","487:4870001078","487:4870003239","490:4900012763","487:4870002865","487:4870000392","490:4900012403","494:4940006049","490:4900013098","487:4870000450","490:4900013068","490:4900000434","490:4900013274","490:4900013002","490:4900000275","494:4940006473","490:4900013069","494:4940006367","490:4900012997"],"twin_admin_codes":[487,490,490,490,487,487,490,487,487,490,487,487,490,494,490,487,490,490,490,490,490,494,490,494,490],"twin_sims":[0.3643178572354644,0.20997385887177394,0.2065329385256566,0.19551937818683415,0.19026577220120025,0.16568055066152465,0.15754274731796603,0.1558858903189265,0.15538102251641844,0.14258983317529506,0.13831486627128511,0.1356660591138682,0.13151104340100048,0.12485756427513511,0.1247740928270551,0.12365696254315726,0.12291788882368448,0.12140764309532683,0.12137035082028884,0.12024342833033866,0.11779039343272184,0.11523388537348357,0.11378542618640738,0.11248142635172387,0.11221101961984496],"twin_dists":[0.18456152234010667,0.22946085614540684,0.23067225345600423,0.23464519502937425,0.23659505822894866,0.24626159998879968,0.24968743901974122,0.2504006394215119,0.25061906222494257,0.25633572505251406,0.2583309365104933,0.25959040533161043,0.2616037429233392,0.2649300544351283,0.2649726289658,0.2655445145235255,0.2659250275973985,0.2667080313792042,0.26672745970331,0.2673167183930948,0.26861413471122675,0.2699885014231296,0.2707776125417599,0.2714946662544005,0.2716441610488501],"n_dims_used":43,"mean_confidence":0.9089562172113463},"coverage":{"mean_confidence":0.9089562172113463,"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}}