{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007577},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007821","490:4900009050","490:4900009267","490:4900005601","490:4900009048","490:4900003975","490:4900008964","487:4870003367","487:4870003354","490:4900008510","490:4900008265","490:4900012632","487:4870002252","487:4870002974","490:4900005077","490:4900009363","490:4900006121","490:4900011940","490:4900006001","487:4870003101","487:4870003224","490:4900010080","490:4900008262","487:4870003640","494:4940008379"],"twin_admin_codes":[490,490,490,490,490,490,490,487,487,490,490,490,487,487,490,490,490,490,490,487,487,490,490,487,494],"twin_sims":[0.00933021680403101,0.007437439832222413,0.006445178322489882,0.001649417194747716,0.0016061691802019145,0.0006079055796070998,0.0005378760909579336,0.00012629294969560164,0.00011327130602284005,0.00006742292519820005,0.000053469341101439736,0.00005236462118241457,0.00003352982519969686,0.00002946865838252225,0.00002429089456883149,0.00002204303436745216,0.000019510270127285243,0.000015433852910280874,0.000014055022022499338,0.000013309209027201512,0.000012975533241810519,0.000012539136550957622,0.000010607311522165449,0.000009551776359686486,0.00000906774855370681],"twin_dists":[0.3971058527047097,0.40662242251358227,0.41251960332124016,0.46491922038363215,0.46588219125682045,0.4998224658494843,0.5039358499985614,0.5503033939108569,0.5536287438478578,0.5692156080546172,0.5760457563571258,0.5766567452997661,0.5895522199268489,0.5932345662751818,0.5987033273508545,0.6014328606363267,0.6048462651919094,0.6113474297446148,0.6139240176687341,0.6154202135156464,0.6161157259406617,0.6170516045565817,0.6216083050589116,0.6244460273414715,0.6258491469754492],"n_dims_used":45,"mean_confidence":0.9314236958821615},"coverage":{"mean_confidence":0.9314236958821615,"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}}