{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700003299},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000178","489:4890000138","489:4890000444","470:4700000832","485:4850002516","485:4850003191","485:4850002078","488:4880005450","489:4890000243","489:4890000285","489:4890000452","481:4810005945","485:4850002096","481:4810005545","481:4810006004","481:4810006052","488:4880005633","481:4810004903","485:4850003338","481:4810005704","485:4850001333","470:4700001217","489:4890000448","481:4810006013","489:4890000015"],"twin_admin_codes":[489,489,489,470,485,485,485,488,489,489,489,481,485,481,481,481,488,481,485,481,485,470,489,481,489],"twin_sims":[0.7821237040611911,0.4947546191759056,0.4608293028435423,0.40060511093351553,0.3474976439534785,0.3308672072673979,0.31938181029324947,0.3150457109956921,0.29008803817941214,0.28631638106215956,0.28422524822568335,0.27659028396158636,0.27629557375801306,0.27620375092647953,0.274609029652566,0.2696837795850524,0.26867855828832243,0.2674807641341276,0.2657887316725733,0.258399273567094,0.2505706540754815,0.24712404032902613,0.24525972271916982,0.24434651121338521,0.24411473019673924],"twin_dists":[0.0910497709818295,0.1540744300714914,0.1616640120393618,0.17566974070004965,0.1888320909966675,0.19316298211608474,0.19622380324781366,0.1973953387137652,0.20432611369279072,0.20540362366657572,0.20600470167125423,0.20822230102233957,0.20830864263294296,0.20833555558132058,0.20880383866554672,0.21026075381243378,0.2105601166788145,0.21091773682306106,0.21142461833678086,0.21366222785218666,0.21607729771253165,0.21715580379634022,0.21774320863037644,0.21803199062574277,0.21810539672609883],"n_dims_used":43,"mean_confidence":0.910713373228561},"coverage":{"mean_confidence":0.910713373228561,"n_dims_used":43,"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}}