{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005449},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005044","490:4900005319","490:4900004907","490:4900005583","490:4900005693","490:4900005182","490:4900004762","490:4900006556","490:4900004758","490:4900004902","490:4900005048","490:4900006679","490:4900005415","490:4900007572","490:4900004906","491:4910002111","490:4900004761","490:4900007673","490:4900004904","490:4900004760","490:4900007185","490:4900006695","490:4900005324","490:4900007427","491:4910002415"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,491],"twin_sims":[0.1589149828882061,0.04988511034843731,0.03410401047489769,0.021793528955904327,0.002866796245010955,0.001700962224478914,0.001329090395597182,0.0009541395081466857,0.0006632012995207884,0.00036925560648530775,0.0003319526816700008,0.00031038727461214576,0.00022889743142638188,0.00021951830375256003,0.00021825771284380226,0.0002035306507425285,0.00017544136178216535,0.00012734259677898893,0.00008176674949860218,0.00007260958733058473,0.00005758620388536161,0.00004153269112772699,0.00003154552739422864,0.000024582090907104675,0.000024050014292411447],"twin_dists":[0.24910088625022447,0.31802189966208977,0.33759075154423596,0.3592687117920517,0.44441220813145393,0.46380145761689334,0.47268820095048114,0.48437092379423813,0.49687582231849425,0.5163722547921257,0.5198393460297309,0.522014334346641,0.5317638380566336,0.533089286752867,0.533271477758117,0.5354765886946881,0.5401344146155203,0.5500496408428583,0.5634709032326563,0.5670152218640708,0.5738697158979009,0.5833961305422615,0.591294985424799,0.5983675046777664,0.5989840349957919],"n_dims_used":45,"mean_confidence":0.9186630249023438},"coverage":{"mean_confidence":0.9186630249023438,"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}}