{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008512},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009073","490:4900008289","490:4900008288","490:4900009288","490:4900010806","490:4900009395","490:4900008513","490:4900008514","490:4900010807","490:4900007853","490:4900011680","490:4900010470","490:4900012220","490:4900008853","490:4900010206","490:4900009402","490:4900008408","490:4900011619","490:4900008521","490:4900010640","490:4900003973","490:4900008177","490:4900010967","490:4900010968","490:4900011744"],"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":[0.554766215632845,0.5047800585881175,0.47777336455833036,0.4143774771727284,0.38955816029438206,0.38063924178471237,0.37882453781316516,0.36834150972466084,0.3331836303215449,0.3328040318091719,0.33099591657936367,0.3260349081220043,0.32493487632461215,0.3247912358535328,0.31756815930554577,0.3040162144667784,0.2986584016688753,0.2887665442784008,0.2864779608554984,0.28471014584858706,0.28010567024633737,0.27905288140070117,0.27700143038062336,0.270681701850831,0.2702274702535045],"twin_dists":[0.1409851403188665,0.15186237429896934,0.15785161161622566,0.1723936880809923,0.1783344701889677,0.1805118228654251,0.1809578234206934,0.18355494961716826,0.19255280125072874,0.19265263414044892,0.193129016948639,0.19444347645787335,0.19473643225295048,0.19477472656626427,0.19671271992865222,0.20041735361170532,0.20190824530176046,0.20470268761003052,0.20535728890698138,0.20586508574698964,0.20719669137535235,0.2075030151975401,0.20810194079641156,0.20996424650201814,0.2100991260079621],"n_dims_used":45,"mean_confidence":0.9173010932074652},"coverage":{"mean_confidence":0.9173010932074652,"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}}