{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010907},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010317","490:4900011364","490:4900011898","490:4900011064","490:4900008223","490:4900011896","490:4900010248","490:4900011824","490:4900010404","490:4900010518","490:4900009954","490:4900009336","490:4900007904","490:4900010597","490:4900011643","490:4900009537","490:4900011447","490:4900009337","490:4900012045","490:4900008350","490:4900006804","490:4900011013","490:4900010232","490:4900007295","490:4900010511"],"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":[0.38158153723481925,0.12483715988971175,0.12465419349322548,0.12275687482280376,0.07844447614743931,0.039439654930568176,0.0386290822872131,0.031165313564660395,0.028538119931230187,0.013898124488605215,0.013767228693628298,0.012213657984100608,0.010661758147108314,0.00921004144336156,0.008306398953397708,0.007207690295168452,0.0064736848937020424,0.005944553597226232,0.0056687318110566955,0.005059201794831225,0.004635255086068568,0.003600979506571602,0.0034599100336657365,0.0031217840319457796,0.0022705768924175043],"twin_dists":[0.1802806394053894,0.2649404596747008,0.26503382138584863,0.2660081568270415,0.29303116451448097,0.3302482978912661,0.331307238905649,0.34206334217510825,0.34637866853748833,0.3798024501968082,0.38022247270743315,0.38549760235017316,0.39139835098427983,0.39765612334303724,0.4020125868757859,0.40792196346671694,0.4123391148348961,0.4158125905779785,0.417735382244379,0.4223036883875794,0.4257849071940573,0.43567226298558154,0.43721673514593273,0.44116628082279175,0.4531752953075575],"n_dims_used":45,"mean_confidence":0.8861874050564236},"coverage":{"mean_confidence":0.8861874050564236,"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}}