{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003258},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003527","490:4900004493","490:4900003396","490:4900003259","490:4900003519","490:4900002845","490:4900003131","490:4900003518","490:4900002993","490:4900003130","490:4900003390","490:4900003254","490:4900003952","490:4900003651","490:4900003521","490:4900003265","490:4900001376","490:4900003266","490:4900003256","490:4900003125","490:4900003528","490:4900002846","490:4900004356","490:4900003129","490:4900003794"],"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":[0.6069604452790511,0.5519790724915816,0.5396102705880197,0.5313139027224376,0.459056928541862,0.4404350220996177,0.36197171832839387,0.35935076860541665,0.3314374969956457,0.3313761972432002,0.3244294388149077,0.3165689097337436,0.3075781432835301,0.2901780999555691,0.2496330087876757,0.24694369451399797,0.22918184493616225,0.22202556936818982,0.2199592061628677,0.16480765516971393,0.16231426590060571,0.1604787839313522,0.1461239394984,0.1451075158864469,0.1316171302607754],"twin_dists":[0.12978245866553928,0.1415864410218836,0.14426104960565678,0.14606143293084817,0.16206556900302077,0.16631972006350434,0.18515102926370464,0.18581188751360983,0.19301254300634027,0.19302870672266412,0.19487122277018068,0.19698276635674544,0.19943462157495942,0.20430048689557806,0.21636975803559705,0.2172125019804287,0.22293359649102618,0.22532102379568072,0.2260199084042503,0.24662315101336452,0.2476635922808669,0.2484369289943443,0.2547196052067973,0.2551814116985649,0.2615517467763142],"n_dims_used":45,"mean_confidence":0.9175491333007812},"coverage":{"mean_confidence":0.9175491333007812,"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}}