{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000659},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001149","480:4800000541","480:4800000845","480:4800000749","480:4800000580","480:4800000579","480:4800000501","480:4800000504","480:4800000719","480:4800000469","480:4800000491","480:4800001087","480:4800000753","480:4800000875","480:4800000621","480:4800000578","480:4800001135","480:4800000576","480:4800000844","480:4800000503","480:4800000514","480:4800000385","480:4800000543","480:4800000795","494:4940000966"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,494],"twin_sims":[0.359350332096185,0.3542099792487889,0.3206529929779809,0.3176776275102188,0.2881171400149863,0.2813024321633535,0.27363482034481784,0.270509823060893,0.2301373968624879,0.22283724745167385,0.22162427822221079,0.2175674410794406,0.21521717826495426,0.21291868329487004,0.211804068556635,0.20650967650319446,0.20167108791962757,0.19630084492521363,0.1888593834992267,0.18632579707073704,0.18550206295653524,0.18486756946850078,0.17961758506749625,0.17604521271095178,0.1702705971022445],"twin_dists":[0.18581199778153099,0.18711532432001554,0.19588205263298297,0.1966831653973132,0.20488811955156108,0.20684932416870497,0.20909073164333006,0.21001526772822252,0.22261856831036855,0.22504768727187813,0.2254564070280619,0.22683436426530595,0.22764057138162067,0.22843478476480125,0.22882201366657662,0.2306804896617299,0.23240764157605825,0.23435827831380746,0.23712339658300646,0.23808218504754855,0.23839588222043673,0.23863818060350425,0.240665885622425,0.2420697695159855,0.24438267725034113],"n_dims_used":43,"mean_confidence":0.9160843782646712},"coverage":{"mean_confidence":0.9160843782646712,"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}}