{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007130},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007727","490:4900000774","490:4900007601","490:4900007135","490:4900007720","494:4940008880","490:4900006019","494:4940007769","494:4940008807","490:4900011208","490:4900010209","493:4930007168","490:4900006623","494:4940004235","490:4900007602","490:4900007723","490:4900006740","493:4930006633","490:4900007721","494:4940008937","494:4940008918","490:4900001393","490:4900000264","490:4900006741","490:4900011216"],"twin_admin_codes":[490,490,490,490,490,494,490,494,494,490,490,493,490,494,490,490,490,493,490,494,494,490,490,490,490],"twin_sims":[0.17053820152286422,0.16150069013728013,0.15208881025692275,0.1388208071610848,0.11171381944983556,0.10446386437254995,0.08615130903401019,0.07976346721770187,0.07159016955214047,0.05538327650080316,0.05340467186215206,0.053358632907581256,0.053211939114303636,0.0516364614968366,0.049265183217400844,0.048023933253158714,0.047625141043703724,0.045777181938015055,0.04332452529316003,0.04251878503816917,0.04081948479988939,0.03549281803752263,0.03382433555715731,0.03238232751460991,0.0323729599011608],"twin_dists":[0.24427426304608918,0.24800558572581521,0.2520562781377821,0.25809242484032763,0.2719197658427867,0.27605060197056003,0.2875862313609723,0.2920697724726502,0.29824778983119804,0.3124272500234216,0.3143851757677869,0.3144314444513673,0.31457909140137386,0.3161864871491261,0.3186844529280996,0.3200322297376177,0.32047142180208327,0.3225476504764069,0.32541458939212076,0.3263862042733747,0.32848725304120524,0.33559049382767175,0.33800192747257785,0.3401691479355683,0.34018349382030943],"n_dims_used":45,"mean_confidence":0.9212215847439236},"coverage":{"mean_confidence":0.9212215847439236,"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}}