{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010052},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011506","490:4900011504","490:4900011443","490:4900011308","490:4900010581","490:4900011171","490:4900011505","490:4900010240","490:4900010314","490:4900009942","490:4900010054","490:4900009446","490:4900010243","490:4900008550","490:4900012103","490:4900011244","490:4900011377","490:4900010497","490:4900010824","490:4900010138","490:4900010144","490:4900011570","490:4900007889","490:4900009922","490:4900009519"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.11547257595103644,0.10691672518881846,0.0736913541374222,0.06089887259227964,0.04634047400865656,0.043987285792707845,0.036782617357080306,0.035137943760287886,0.032054482460704886,0.031623902915384174,0.029859962586214553,0.029371871932539692,0.024793879351019173,0.02333400053824416,0.022974944419417574,0.022426678562760254,0.021518934241191976,0.02065098745890655,0.01812280151018557,0.016303915034166058,0.015007433758214558,0.01460784371712237,0.014342345686580752,0.012402842011632036,0.012034262770326607],"twin_dists":[0.26985919738095765,0.2746288097336116,0.2966072732472857,0.30725902718085646,0.3219074570855663,0.3246267119000068,0.3337915767532575,0.3360951851991933,0.340673343919998,0.3413422749372317,0.34416674147890647,0.34497352161592443,0.35316111244950094,0.3560477142571855,0.3567815997130441,0.3579216469953702,0.3598635296969546,0.3617880909248168,0.3678262106479936,0.3726447369538454,0.37637660554703684,0.37758409731794723,0.3784025915159456,0.38482446753098837,0.3861445006944485],"n_dims_used":45,"mean_confidence":0.8918768988715278},"coverage":{"mean_confidence":0.8918768988715278,"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}}