{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005252},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006040","490:4900004979","490:4900006407","490:4900005404","490:4900007517","490:4900005254","490:4900005915","490:4900005253","490:4900006887","490:4900005271","490:4900005916","490:4900005001","490:4900004864","490:4900006766","490:4900005117","490:4900006170","490:4900005919","490:4900005267","490:4900005517","490:4900004975","490:4900006039","490:4900004977","490:4900007021","490:4900003349","490:4900002202"],"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":[0.8023919724311301,0.6916876178878103,0.6812957829608056,0.6725205535174925,0.6593579989680938,0.6529812578452423,0.6422504839301165,0.6128312051008167,0.6017153370934992,0.5838263936574382,0.5504687420376937,0.5272885215981337,0.517572133560429,0.5062259337159051,0.5053483361827893,0.47549588707734586,0.4637384233948487,0.459235174784698,0.4491024664356274,0.44298904177069237,0.4258593295659265,0.4258305734386184,0.42053810844192197,0.41127275810681174,0.4040515306842133],"twin_dists":[0.08617992777648689,0.1115138445601549,0.11378053685603644,0.11568640289940528,0.11853331415615304,0.11990824802151721,0.12221691483641665,0.12852532283519438,0.13090559868959017,0.13473833194732043,0.14191248072008594,0.14693705865906476,0.14905680536592714,0.1515443503435699,0.1517373511857553,0.15836137345026466,0.16100609160236642,0.16202515976918105,0.16433143712023207,0.16573228779972185,0.16969842029966134,0.16970513211808894,0.17094365747823134,0.1731279663234628,0.1748452965222263],"n_dims_used":45,"mean_confidence":0.9154103597005209},"coverage":{"mean_confidence":0.9154103597005209,"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}}