{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012010},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011129","490:4900011492","466:4660004388","490:4900007254","490:4900011813","494:4940008950","490:4900008298","490:4900007964","490:4900010557","494:4940008642","490:4900010209","466:4660008037","490:4900010817","466:4660003955","490:4900009067","466:4660004138","490:4900008284","490:4900011216","490:4900012009","494:4940008713","490:4900008075","494:4940008937","490:4900008845","494:4940008989","490:4900001394"],"twin_admin_codes":[490,490,466,490,490,494,490,490,490,494,490,466,490,466,490,466,490,490,490,494,490,494,490,494,490],"twin_sims":[0.0264862095142187,0.0168625896823723,0.01582778679195526,0.009307030382791622,0.008644602620996367,0.008627623383010527,0.007833367136378331,0.005240176203342673,0.004838072570979466,0.004489566282635356,0.004290191738948804,0.004141985685539035,0.003926356341136121,0.0038977302666172433,0.0038506090430674984,0.0038302491832541935,0.0033734495796315113,0.0033070101802259253,0.0031496519510052254,0.00308825172679151,0.0029779106850771797,0.0028088857354784977,0.002635885814285315,0.0026300625508162974,0.0025855024845310576],"twin_dists":[0.34999336168260864,0.3711165571733208,0.37398387410847733,0.39721152613354455,0.4003346101609217,0.40041743863269863,0.4044652210568837,0.42089755241849736,0.4240850030526735,0.4270481370363824,0.42883855010940486,0.4302191133356988,0.43231014610533186,0.4325955559895995,0.43306954803655323,0.43327598268682405,0.4381919565884187,0.43895696817531893,0.44082635580440754,0.44157899160290986,0.4429665728587853,0.44518607838007523,0.4475881088616192,0.4476714479486248,0.44831481877047324],"n_dims_used":45,"mean_confidence":0.9106998019748264},"coverage":{"mean_confidence":0.9106998019748264,"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}}