{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004418},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003320","490:4900004554","490:4900003991","490:4900004550","490:4900004138","490:4900002898","490:4900004264","490:4900003321","490:4900003858","490:4900003575","490:4900003699","490:4900002886","490:4900003448","490:4900004544","490:4900003447","490:4900004143","490:4900004130","490:4900003179","490:4900002297","490:4900001985","490:4900003565","490:4900004407","490:4900001986","490:4900001548","490:4900001832"],"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":[0.4800641095172954,0.4433200273749981,0.40705927782994394,0.3977166135927206,0.3856650442066153,0.3801466334641319,0.37537156641092795,0.36952041979031885,0.34775169428470804,0.34455581010140734,0.33072894257731666,0.326512702283963,0.3235478771914992,0.3225382888942273,0.29881011748762387,0.2967912344598144,0.28296364495165244,0.28062930758634674,0.2780033127150098,0.2752313912355321,0.2694556058611532,0.2567951147708075,0.2567602089603777,0.25428741453787645,0.25427963631422595],"twin_dists":[0.15733967142207655,0.16565625620059204,0.1741283642015296,0.17636319892065364,0.17928193805117712,0.18063278958574677,0.18180933674787803,0.18326107279942075,0.1887667995675577,0.18958999173205848,0.19319947692413286,0.1943164029678803,0.19510659808653188,0.19537659547048172,0.20186581412104737,0.20243148521775492,0.2063686275341676,0.20704459201359285,0.20780910259710778,0.20862088723411468,0.2103286450864708,0.21415328133503092,0.2141639879599703,0.21492482302941188,0.21492722363543593],"n_dims_used":45,"mean_confidence":0.9209181043836806},"coverage":{"mean_confidence":0.9209181043836806,"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}}