{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001003},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007173","490:4900001644","490:4900006804","490:4900007527","490:4900001507","490:4900001643","497:4970001500","491:4910005158","497:4970000174","497:4970001556","490:4900003124","490:4900006333","491:4910005233","490:4900002987","491:4910005446","491:4910005581","490:4900004502","491:4910001334","665:6650000052","490:4900004640","490:4900008456","491:4910005857","491:4910005677","497:4970003110","665:6650000901"],"twin_admin_codes":[490,490,490,490,490,490,497,491,497,497,490,490,491,490,491,491,490,491,665,490,490,491,491,497,665],"twin_sims":[0.0021530851615272325,0.001711546098253041,0.001385902754072339,0.000994909978536468,0.0009516250371041873,0.0006746068645583872,0.0004926497307240485,0.0004619862120826777,0.0004474925942774615,0.0003481640690656012,0.000323967252136421,0.0002565847893573847,0.0002156469203994248,0.00018369127716571314,0.0001531543898934948,0.00010082879092833661,0.00009630038323136274,0.00009357758157053038,0.00008970318907799318,0.0000809498319244276,0.00008071460869020771,0.0000774742849337936,0.0000654384577856535,0.00006070003769428161,0.00003134074995720774],"twin_dists":[0.4551486013956927,0.4635758137359085,0.47119221267235883,0.48291163738397735,0.4844628069875495,0.4962966383919135,0.5068671009280784,0.5090011476811059,0.5100563360402,0.5182899043338459,0.5206288381299967,0.5281295008721509,0.5336519804384606,0.5386975199989831,0.5443604835037555,0.5571626591132742,0.5585520535358997,0.5594175173408582,0.5606910174655682,0.5637714004683849,0.5638584581577446,0.5650828191941163,0.5701001960964164,0.5723197833267754,0.5914807372257825],"n_dims_used":45,"mean_confidence":0.8858062744140625},"coverage":{"mean_confidence":0.8858062744140625,"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}}