{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010569},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010651","490:4900008548","490:4900010573","490:4900010487","490:4900010488","490:4900009942","490:4900010498","490:4900008549","490:4900011444","490:4900010655","490:4900010824","490:4900007889","490:4900010497","490:4900010581","490:4900011308","490:4900010314","490:4900010313","490:4900010656","490:4900010659","490:4900011244","490:4900011378","490:4900008547","490:4900009743","490:4900010327","490:4900010582"],"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":[0.3031084720517426,0.24249246271895078,0.19521076312055052,0.17401665559637783,0.16866953768831267,0.15365407496683067,0.1533073726032352,0.1311144492376454,0.09527884943883366,0.08609131822120253,0.08147919067372307,0.08074009508371705,0.07372384679487694,0.0720227861584881,0.06899520406890647,0.06676503817814061,0.06447369633781713,0.06326847976049196,0.06305055066370675,0.05865082974543383,0.047776118698984266,0.04418376081692825,0.0316621095853852,0.030271913224179322,0.02594715927927877],"twin_dists":[0.2006688634659383,0.21862044073981302,0.23475872258148914,0.24287600479713267,0.245033880720501,0.25137014735568136,0.25152168001975955,0.2617984052685644,0.28161793060505236,0.2876270842594789,0.290838110630855,0.29136611007489177,0.29658220308089717,0.297906864222849,0.3003285828847835,0.3021683230819336,0.30411147418128437,0.3051562982062064,0.3053469612679663,0.30931694661318637,0.3203047891014342,0.32439506286801695,0.3412826047943277,0.3434945696376522,0.3509829194220817],"n_dims_used":45,"mean_confidence":0.8865164862738715},"coverage":{"mean_confidence":0.8865164862738715,"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}}