{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001696},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001598","490:4900002318","490:4900001461","490:4900001471","490:4900002628","490:4900002461","490:4900001600","490:4900002031","490:4900002332","490:4900001700","490:4900003898","490:4900000953","490:4900004019","490:4900004184","490:4900002150","490:4900003325","490:4900001430","490:4900002180","490:4900004022","490:4900001030","490:4900002786","490:4900002793","490:4900002313","490:4900001720","490:4900003056"],"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":[0.7181284137750684,0.7056908399100076,0.6476840346521789,0.6084559910398909,0.5779283204286696,0.5554752573487338,0.5422002247157249,0.5399958268484313,0.5354433282340917,0.502447910703896,0.4970099481150646,0.4948785745821141,0.49324146748851594,0.4913687155744452,0.4859234716891065,0.4809387436614558,0.4792241928575005,0.4776106014658813,0.4769404051661836,0.47259924344437454,0.4538925111973184,0.45065602157536994,0.4496561509100326,0.44329939319301,0.4389096013483168],"twin_dists":[0.10568733435013804,0.10843983710213753,0.1210486381855857,0.1294622208226247,0.13600351029881394,0.14083224496007055,0.1437001108071405,0.14417751300280954,0.14516461625436755,0.15237585365269085,0.1535757148628078,0.15404700315427378,0.15440939771967777,0.1548243873049561,0.15603371193943502,0.15714441250191596,0.15752728650654424,0.15788801624270174,0.15803795893547504,0.15901087954737336,0.1632388363284496,0.16397660141139783,0.16420492166648262,0.16566099549458524,0.1666712046293526],"n_dims_used":45,"mean_confidence":0.9176365322536892},"coverage":{"mean_confidence":0.9176365322536892,"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}}