{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002700},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002551","490:4900003146","490:4900003674","494:4940008990","490:4900001654","490:4900002407","490:4900001523","490:4900002405","490:4900001790","490:4900002701","490:4900001789","490:4900009869","490:4900003830","490:4900004241","490:4900002853","490:4900003003","490:4900001938","490:4900003558","490:4900001959","490:4900003682","490:4900003547","490:4900004115","490:4900004521","490:4900002558","494:4940008978"],"twin_admin_codes":[490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494],"twin_sims":[0.5052236831429808,0.36657507225462777,0.32715965356800486,0.26900402589366595,0.26717770310040656,0.25715059601531837,0.23551891956340434,0.21652016610409897,0.18149360549069085,0.16936332552316458,0.1557455193383813,0.15294213004572912,0.14764004234591974,0.14306255496864062,0.14217760087707532,0.13622204801110158,0.13331118899851738,0.12131482238689832,0.12006459598073653,0.11826722066299458,0.11684025354444426,0.11169696916378251,0.10771667801903013,0.10083029343123816,0.09854008915542489],"twin_dists":[0.1517647720763814,0.1839961653574167,0.19414450451603235,0.21046311405624962,0.2110083778828842,0.21404429727276564,0.22086026496829342,0.2271928814272947,0.23993655872532965,0.24475115160091543,0.2504613166557999,0.25168158810371705,0.25403516871080833,0.25611784306715646,0.2565261655255525,0.2593245238860682,0.2607256851974805,0.26675639704190357,0.2674106157112986,0.26836033117132296,0.26912222800751867,0.2719291227554409,0.27417060125034093,0.2782053659890342,0.27959487596061067],"n_dims_used":45,"mean_confidence":0.920415751139323},"coverage":{"mean_confidence":0.920415751139323,"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}}