{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000830},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000951","490:4900000948","490:4900000832","490:4900000511","490:4900000952","490:4900000044","490:4900000703","490:4900000161","490:4900000957","490:4900002039","490:4900001592","490:4900000419","490:4900000096","490:4900000288","490:4900000280","490:4900000195","490:4900000836","496:4960008377","490:4900001432","490:4900000626","490:4900000238","490:4900000087","490:4900000424","490:4900000422","490:4900000718"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490],"twin_sims":[0.6029056099897788,0.5823354042693869,0.5615644749645469,0.547503664661737,0.5118293590347263,0.47129791570440666,0.4678245520929033,0.44148448903940213,0.433169946060556,0.43120031008097925,0.42799213706780287,0.398090631080886,0.3868048185564916,0.3795350280845118,0.36058033207666135,0.3531636371668923,0.34773679470184826,0.3405366642569537,0.32928284702980476,0.3285394598982422,0.3271264176300393,0.32567722817937833,0.31627012213400524,0.3105859638541669,0.3085714000848469],"twin_dists":[0.13065071693543784,0.13505806498723982,0.13952034631055238,0.14255298758700705,0.15031410723003405,0.15930310245107196,0.1600844059275581,0.1660781798596372,0.16799807292572372,0.16845502437557125,0.16920113351199287,0.17627327722177724,0.1790040848102085,0.18078308308957047,0.18550155487719872,0.18738181641365417,0.18877062809561848,0.19063101665194512,0.19358167489042477,0.19377850853466885,0.19415333090331027,0.19453867204900482,0.1970636069874352,0.1986098614751929,0.19916175513183593],"n_dims_used":45,"mean_confidence":0.9116802639431424},"coverage":{"mean_confidence":0.9116802639431424,"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}}