{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004270},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002447","490:4900003996","490:4900004823","490:4900004417","490:4900002743","490:4900004407","490:4900002589","490:4900004552","490:4900003852","490:4900002596","490:4900003597","490:4900012914","490:4900003178","490:4900002581","490:4900002297","490:4900002728","490:4900001985","490:4900004130","490:4900004547","490:4900004283","490:4900004440","490:4900002886","490:4900004154","490:4900003319","490:4900004133"],"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":[0.625306215084889,0.5914132135381673,0.4428718234797935,0.38307287036094956,0.3115395272159414,0.3040911903258246,0.3007078505889498,0.2925822702288219,0.279245421285677,0.27327565324328057,0.27326714331851143,0.27186677888452154,0.22233147060148886,0.22223110094519927,0.21669348778030237,0.20424318063681168,0.19516433509217068,0.1935193210295687,0.19324111140515135,0.19137329106866008,0.18941470487285114,0.1886460478454984,0.1790565980844433,0.17844115554982617,0.17290272252811484],"twin_dists":[0.12585284197786406,0.1331122046128577,0.16575921958530723,0.17991531484341036,0.1983493458938295,0.2003965994109752,0.20133612695674472,0.20361812960846534,0.2074469405724422,0.20919666025525593,0.20919917111168757,0.20961300609683808,0.2252179318901861,0.22525174706741546,0.22713346718996333,0.2314860312138356,0.23477581243261722,0.235383162217167,0.2354862334349113,0.23618091380457215,0.23691445120255172,0.2372037806470768,0.24088502402746145,0.2411259953363105,0.24332158605071103],"n_dims_used":45,"mean_confidence":0.9224056667751737},"coverage":{"mean_confidence":0.9224056667751737,"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}}