{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001596},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002178","490:4900002331","490:4900003754","490:4900003755","490:4900003895","490:4900002177","490:4900003896","490:4900003074","490:4900002160","487:4870004560","490:4900002333","490:4900002183","490:4900004149","490:4900001699","490:4900001732","490:4900002179","490:4900002488","490:4900002778","490:4900001701","487:4870002896","490:4900003471","490:4900002327","490:4900002190","490:4900003330","490:4900001572"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490],"twin_sims":[0.8422666920474843,0.8177722432660682,0.8147294936638754,0.8119591129360066,0.8040649899244997,0.8013875301822784,0.7857790857172626,0.7582601100717099,0.756850403429567,0.7553314560425644,0.6898280565050413,0.6701758506163933,0.6622278728179279,0.6528050137502008,0.6470897011802853,0.6385705374024778,0.6289788110793729,0.6273793691583581,0.6196720561914252,0.6161926672436275,0.6107595520836894,0.5900402498125153,0.586562854482058,0.5792784103302531,0.5728500502431694],"twin_dists":[0.07609771211499808,0.08238003581845117,0.08313978587133782,0.08382797926901658,0.08577129428273057,0.08642474136157974,0.09018183412948957,0.0966197752992746,0.09694409098559989,0.0972930017496452,0.11192030015508744,0.11619450749528991,0.117913670502493,0.11994621467859783,0.12117649527644005,0.1230074085036349,0.12506551813642575,0.12540844407432966,0.12706011885181775,0.1278054165218027,0.12896895328567637,0.13340639115802144,0.13415166348432953,0.13571381443903596,0.1370937381967853],"n_dims_used":45,"mean_confidence":0.9176376342773438},"coverage":{"mean_confidence":0.9176376342773438,"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}}