{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004969},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004961","490:4900005630","490:4900005763","490:4900012706","490:4900001820","490:4900012566","490:4900002748","490:4900004140","490:4900004950","490:4900006018","490:4900003981","490:4900006627","490:4900006392","490:4900007115","490:4900007365","490:4900005756","466:4660004601","490:4900001825","490:4900005233","490:4900002747","490:4900007117","490:4900001413","490:4900012354","490:4900004970","490:4900004686"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490],"twin_sims":[0.6235012210136082,0.5673288121226504,0.5574126012178238,0.5520245158657615,0.5126299221143039,0.4060777202719405,0.39641918205564186,0.3700187483199036,0.36673383047827274,0.3607033522827824,0.3400091358111211,0.3399067235459743,0.331849872158039,0.3301985574676473,0.3228444598754458,0.3227351713909436,0.3225452700042478,0.31904400665221044,0.3065769451902368,0.30565983541316494,0.3054423030423246,0.3041774371022565,0.300425194294736,0.29771569403121423,0.28600657004316504],"twin_dists":[0.12623967926406185,0.13828019448863496,0.14041463031079868,0.14157663323206207,0.15013862527267274,0.17436206978196453,0.1766754295617033,0.1831369906949226,0.18395646768454094,0.18547053523437737,0.19076814162814054,0.19079477574658193,0.192903849077756,0.19333954911749535,0.19529466547602337,0.195323905611799,0.19537472687309831,0.1963147483455251,0.19971018371332333,0.1999630580997566,0.20002310254358324,0.2003727289578011,0.20141489664402712,0.20217218121391117,0.20549250925872306],"n_dims_used":45,"mean_confidence":0.9202228122287326},"coverage":{"mean_confidence":0.9202228122287326,"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}}