{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011657},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011463","490:4900011720","490:4900011738","490:4900011343","490:4900011731","490:4900011734","490:4900011462","490:4900012189","490:4900012209","490:4900011544","490:4900010949","490:4900011412","490:4900011854","490:4900011266","490:4900011673","490:4900011729","490:4900011920","490:4900011119","490:4900011789","490:4900011670","490:4900011401","490:4900011611","490:4900011528","490:4900011471","490:4900011803"],"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":[0.597854696030713,0.5558431766437503,0.5154978924588588,0.5036655813648313,0.49776894469380595,0.49468815995682697,0.4945247404880267,0.4878930165980514,0.48649582363034377,0.45314431874332195,0.4450449613366023,0.4438073023742792,0.42954551918152556,0.4233477327032808,0.4192410367361199,0.4093035108500861,0.4083538552961693,0.4067261020276762,0.401211457787562,0.37191408962284034,0.3534289720091139,0.3491415376250717,0.3489317057152787,0.34403808769254796,0.3115993252682583],"twin_dists":[0.13173237017469142,0.140752919613995,0.14951053322409863,0.15210767329654715,0.15340802544727947,0.15408913594897913,0.15412529930571417,0.1555958286007884,0.15590640675423503,0.1634092153468715,0.1652603697112993,0.16554436272645193,0.1688395869465347,0.17028535136553224,0.1712481925165895,0.17359495597750074,0.17382051151190003,0.17420766414559274,0.17552446046547174,0.182665813316431,0.18731419973712765,0.1884100505105767,0.18846386288565478,0.18972372609390784,0.19833302413358014],"n_dims_used":45,"mean_confidence":0.9083206176757812},"coverage":{"mean_confidence":0.9083206176757812,"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}}