{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001549},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001829","490:4900001554","490:4900003180","490:4900001283","490:4900003306","490:4900006764","490:4900007609","490:4900004125","490:4900004538","490:4900001143","490:4900004693","490:4900006267","490:4900006152","490:4900001274","490:4900003578","490:4900006281","490:4900000891","490:4900006637","490:4900002599","490:4900006155","490:4900001550","490:4900006270","490:4900007735","490:4900001981","490:4900001984"],"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":[0.6811320543353473,0.6751045654984368,0.6460314801228769,0.5840519254395851,0.5406887969142644,0.527657378409144,0.46584691264998557,0.44515744569008836,0.4434459827938793,0.43177011342545873,0.41679367116850946,0.4162800841810809,0.41471747027476596,0.4054875042063779,0.40546227286632347,0.38760936827341785,0.38284239226846306,0.3818085578492803,0.37506146900291487,0.37181417965168884,0.36617150205002225,0.3660530036430436,0.3624377331054473,0.3601929871951349,0.35876089402262523],"twin_dists":[0.1138161616888501,0.11512590410921293,0.12140410399289299,0.13468997324644266,0.14402739877118564,0.1468567628901115,0.1605301423646313,0.16523457407657544,0.16562732838847397,0.16832274461088184,0.17182389496587125,0.17194489120084444,0.17231342361847435,0.17450271929060834,0.17450873399603825,0.17880818582068453,0.1799717293002712,0.18022498309299,0.18188599451661197,0.18269062095753405,0.18409711740535478,0.1841267700874204,0.18503378145663518,0.1855992594606274,0.18596096011028931],"n_dims_used":45,"mean_confidence":0.9182686699761284},"coverage":{"mean_confidence":0.9182686699761284,"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}}