{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003782},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003246","490:4900003501","490:4900003640","490:4900003926","490:4900003238","490:4900004206","490:4900004067","490:4900003770","490:4900003635","490:4900003639","491:4910002162","490:4900004207","490:4900002816","490:4900003783","490:4900003237","490:4900003369","490:4900003239","490:4900003244","490:4900004193","490:4900006922","490:4900003240","490:4900003632","490:4900007413","490:4900004336","490:4900007668"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.33147164678983415,0.30800014806289133,0.298635678972243,0.2742178160443616,0.261339024759652,0.23919581696183695,0.23433391384161262,0.21745157189093983,0.21285307041242105,0.2041760699683131,0.19061516645715032,0.18433449491730736,0.1604932984821337,0.15370305195207187,0.14916650539503348,0.14654162626460548,0.13690395624757928,0.13684721450291873,0.135093839578886,0.12821760531123969,0.12368583320129369,0.12257468334459866,0.11813009071274719,0.11774232769150814,0.10128158237709811],"twin_dists":[0.19300353898808667,0.19931862702317002,0.20191460136862693,0.20891897122861008,0.21276729406091693,0.21967398968226903,0.22124515916086823,0.2268739729718799,0.22845754129764262,0.2315099762668147,0.2364642247895883,0.23884220226554498,0.24843078850131767,0.25134876127368444,0.25335127994898377,0.2545305207103306,0.25899953380656904,0.2590265300153645,0.2598649028855065,0.2632339231249797,0.2655296855906019,0.2661023198941231,0.2684332416938293,0.2686397625810524,0.2779344795548452],"n_dims_used":45,"mean_confidence":0.9001147800021702},"coverage":{"mean_confidence":0.9001147800021702,"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}}