{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000824},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000699","490:4900000489","490:4900000228","496:4960008477","490:4900000580","496:4960008153","490:4900000589","490:4900000695","490:4900000510","490:4900000835","490:4900000348","490:4900000046","494:4940008238","496:4960005708","490:4900000606","496:4960008476","490:4900000423","496:4960008760","490:4900001029","496:4960008767","490:4900000712","490:4900000608","490:4900000718","494:4940008446","496:4960007662"],"twin_admin_codes":[490,490,490,496,490,496,490,490,490,490,490,490,494,496,490,496,490,496,490,496,490,490,490,494,496],"twin_sims":[0.6926955087219925,0.5279487434644757,0.48754589996898906,0.46302901551750025,0.45316138277029316,0.39785384139405566,0.3889760398372211,0.3704722532678712,0.35534966388110845,0.34796208461253847,0.3468503834026226,0.34255728908735256,0.34238158435898763,0.3325596528828585,0.3311123169815642,0.3286074923631608,0.32697198708073577,0.32322476255337695,0.3097498173694446,0.30904342933723755,0.3084338351983191,0.307445298976754,0.30561160524555225,0.29548775419094353,0.29080234718441317],"twin_dists":[0.11129338157335972,0.14679334480949882,0.15567296288675023,0.1611663956757808,0.16340532835953805,0.17633020196958218,0.17847585589877857,0.1830241416884713,0.1868255226156275,0.1887127478577264,0.1889985520216561,0.19010682735584322,0.19015234288861926,0.1927169376892416,0.1930983062153508,0.19376048475014485,0.194194349150964,0.19519295848856838,0.1988386754682332,0.1990322567798548,0.1991995166395204,0.1994711548530134,0.19997636871501376,0.20279791062403113,0.20412298938767823],"n_dims_used":45,"mean_confidence":0.9135286119249132},"coverage":{"mean_confidence":0.9135286119249132,"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}}