{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001965},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940007150","494:4940007053","490:4900003449","490:4900001562","496:4960007275","490:4900002740","494:4940007354","490:4900002429","494:4940007256","494:4940007370","490:4900005511","494:4940004308","490:4900005772","494:4940004427","494:4940008632","490:4900001673","487:4870002368","496:4960008478","490:4900001429","494:4940008505","490:4900001563","494:4940007684","494:4940007712","494:4940004294","494:4940007166"],"twin_admin_codes":[494,494,490,490,496,490,494,490,494,494,490,494,490,494,494,490,487,496,490,494,490,494,494,494,494],"twin_sims":[0.38635098821481584,0.38479470887826284,0.3536236619617862,0.3504948224130514,0.34794379477296655,0.3433867670810181,0.3365329592953746,0.327641194502989,0.3111849659877435,0.2914925338476197,0.27590250588082205,0.2715149096198759,0.2712571776092365,0.26748658310172424,0.2607041121300169,0.2605885776979954,0.2592470869860826,0.25867360928335864,0.25775368421811995,0.25205230292147823,0.2513195865089547,0.2511821361165182,0.2352546178536718,0.23463998226225682,0.23460896882529816],"twin_dists":[0.17911467259804056,0.17949437045657543,0.1872646026360618,0.18806340091485726,0.18871744604618804,0.18989212259722035,0.19167460877784218,0.19401667838691214,0.19844615947422048,0.20392700652371945,0.208423887877822,0.2097171965518647,0.20979356526390464,0.21091599708029082,0.21296003942385275,0.21299514479599516,0.21340347777071594,0.2135784429578084,0.21385961893702793,0.21561657882223587,0.21584420050384442,0.21588694721840498,0.22094600108085127,0.221145625145039,0.22115570689737438],"n_dims_used":45,"mean_confidence":0.9212078518337674},"coverage":{"mean_confidence":0.9212078518337674,"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}}