{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011026},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011254","490:4900011103","490:4900011180","490:4900011253","490:4900011182","490:4900011474","490:4900010867","490:4900010946","490:4900010082","490:4900011669","490:4900011027","490:4900011867","490:4900011610","490:4900011255","490:4900010086","490:4900011024","490:4900011183","490:4900011809","490:4900011538","490:4900012401","490:4900004793","490:4900009378","490:4900011333","490:4900011475","490:4900010799"],"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":[0.44557275582013184,0.2792741934486079,0.2517656105519982,0.16993942654556932,0.10763320729645974,0.10250585309403787,0.09849924784790595,0.07970047834201402,0.07915411346478127,0.06490763245980305,0.06331713961502648,0.06324709021302329,0.06236583406170511,0.06002185418017705,0.05587240926445729,0.05505685756710255,0.05435032918750987,0.051950724475471895,0.045538346115069434,0.043686235027677,0.04311018583534968,0.042633495409413705,0.04250795905649712,0.03940778720237578,0.036218873943004756],"twin_dists":[0.16513935405088012,0.2074385630904194,0.21570559080566595,0.24451701333037398,0.2742182891928776,0.27720433075478496,0.27961988377654706,0.2921153928142453,0.2925123219666013,0.3037391968364047,0.30511379985811404,0.30517498779193725,0.30594954397791285,0.30805431975178055,0.31195217035932327,0.31274622515207795,0.3134420381827912,0.31586263605397397,0.3228210864074534,0.32498335016223734,0.32567156035970823,0.32624693823433687,0.32639936406097564,0.3302895811028001,0.3345711444726366],"n_dims_used":45,"mean_confidence":0.9122036404079861},"coverage":{"mean_confidence":0.9122036404079861,"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}}