{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000606},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000580","490:4900001041","490:4900000583","490:4900000608","494:4940007620","490:4900000687","490:4900000926","490:4900000228","490:4900001031","490:4900000835","490:4900000589","490:4900000718","490:4900001582","490:4900000423","490:4900000680","490:4900000510","496:4960008477","490:4900000489","490:4900000699","490:4900000285","490:4900000607","490:4900000824","490:4900000023","490:4900000235","490:4900000239"],"twin_admin_codes":[490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490],"twin_sims":[0.4914168476761313,0.4720501734984126,0.46458872612865443,0.42888699734920044,0.4054257159550957,0.40015596762575634,0.39899333048834795,0.3933264455861579,0.38962604932046624,0.37650549119263926,0.36355587182346943,0.3614968815774056,0.3565652614478655,0.35526283450285145,0.3519168469710968,0.35128513376022097,0.3507094671331579,0.34553032408128315,0.3381880911214281,0.3345957523612465,0.3335067565215593,0.3311123169815642,0.3284916097663098,0.32205489429831974,0.3139056190311811],"twin_dists":[0.1548137157097533,0.15913414449891383,0.160814062483069,0.16899279109192242,0.17451744881366085,0.17577741936642377,0.1760564081003409,0.1774216090292304,0.17831798773396035,0.18152928785595762,0.18475277273306762,0.18527057554611048,0.18651694641003108,0.186847584860048,0.18769989682889796,0.1878612832457367,0.18800848319756125,0.18933855112017875,0.19124238142409436,0.19218196163105902,0.19246786919188028,0.1930983062153508,0.19379118666189235,0.19550603814325013,0.197704883668615],"n_dims_used":45,"mean_confidence":0.9149181789822048},"coverage":{"mean_confidence":0.9149181789822048,"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}}