{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001152},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001154","490:4900002441","490:4900003705","490:4900012351","490:4900003838","490:4900003981","490:4900012771","490:4900003984","490:4900001145","490:4900001547","490:4900003436","490:4900004140","490:4900004268","494:4940008494","490:4900003308","490:4900001017","494:4940008904","490:4900001032","490:4900005773","490:4900006517","490:4900012706","490:4900012285","496:4960007904","490:4900012566","490:4900003710"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,494,490,490,490,490,490,496,490,490],"twin_sims":[0.8508376772978345,0.5458344298902222,0.46852358644969355,0.4645181885045523,0.4598619812905069,0.4313595705374019,0.4123035231127873,0.40385275762371825,0.3960934029078326,0.3806125514210246,0.3777405633001801,0.36139861269846996,0.34136441594078065,0.32370901941457153,0.32244883008531,0.28838999962737927,0.28594940985941497,0.2841429329414191,0.27941411836636376,0.27767315076563104,0.2746306823785614,0.2745140992685771,0.2695133082725162,0.26707254161880595,0.26400974692965806],"twin_dists":[0.07381943204958058,0.14291382813438366,0.15992700638433052,0.1608299877711517,0.1618831043534414,0.16841804495545082,0.17288391974228745,0.17489276031189854,0.17675390291895798,0.18051837511327795,0.18122472627958258,0.18529532597424533,0.190416081260335,0.19506354678141102,0.1954005424426094,0.2048101763705514,0.20550891498153212,0.20602841684368525,0.20739782915986385,0.20790553376742288,0.20879746929547438,0.20883176704082201,0.21031147283498797,0.21103984504514797,0.21195971968360974],"n_dims_used":45,"mean_confidence":0.9123341878255208},"coverage":{"mean_confidence":0.9123341878255208,"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}}