{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007682},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007689","490:4900007683","490:4900007560","490:4900007561","490:4900007679","490:4900006462","490:4900007321","490:4900007078","490:4900007322","490:4900006343","490:4900006948","490:4900007083","490:4900006714","490:4900005459","490:4900007197","490:4900004507","490:4900007802","490:4900008368","490:4900007570","490:4900007800","490:4900006581","490:4900008367","490:4900006951","490:4900006455","490:4900007313"],"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":[0.005939729335124347,0.00396390613593357,0.003615804180535471,0.003109205930687268,0.0020978509294457956,0.0005886895243499758,0.00044558250121854034,0.000398904891696358,0.00006327192468910957,0.000049729758319394736,0.0000387862321428231,0.00003031364473199338,0.000016274840871518906,0.000014413401388079274,0.00001411764161717691,0.000011626139755588272,0.000011227059739476398,0.000010000097653856272,0.000008041633379994855,0.000006498542496356471,0.0000046511588772132095,0.000004384214549091861,0.0000022425942407107396,0.0000021184033511730716,0.0000015701606525883364],"twin_dists":[0.4158455227815298,0.43193862087593926,0.43551317435264086,0.4413206135547331,0.45611068741183336,0.5009052605109604,0.5101977741814978,0.5138432032092667,0.5710954647847326,0.5781648982946441,0.5853708451779552,0.5924302039101099,0.6098818016447011,0.6132318513255393,0.6138018688341256,0.6191146797014724,0.6200655697943738,0.6232058283458015,0.6290774378966678,0.6347643338703817,0.6435905064526328,0.6451377096212135,0.6624331512553169,0.663882197417725,0.6714481505985855],"n_dims_used":45,"mean_confidence":0.9123492770724826},"coverage":{"mean_confidence":0.9123492770724826,"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}}