{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990001751},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002291","499:4990002535","488:4880000012","500:5000006409","488:4880002080","499:4990003430","496:4960004950","496:4960004784","488:4880006291","485:4850001590","479:4790001963","499:4990000946","470:4700000476","481:4810003087","467:4670000663","485:4850000856","499:4990002982","499:4990002666","496:4960005674","485:4850002686","481:4810002155","499:4990002916","478:4780002659","499:4990002749","468:4680007057"],"twin_admin_codes":[499,499,488,500,488,499,496,496,488,485,479,499,470,481,467,485,499,499,496,485,481,499,478,499,468],"twin_sims":[0.45479300756116553,0.4388916926880745,0.4198925841239403,0.340938184401796,0.3300925752675377,0.31426196140718904,0.2925339391866678,0.27477450100468576,0.26018759837434535,0.25375175125683175,0.2446646576275069,0.22923720083048382,0.2224429882929875,0.22135464422429343,0.21731776505680758,0.21530268219184193,0.21389987424867304,0.21054110935853831,0.20919214790355137,0.20789604125859315,0.20449784236775886,0.19592787373968926,0.19369829293148816,0.1933058019158669,0.1931908636803883],"twin_dists":[0.1630339111215503,0.16667533395006234,0.1710951680947676,0.19052672236980117,0.19336755330678934,0.1976080651033611,0.20363181416354442,0.2087551713919671,0.2131170591010466,0.21509025477172006,0.21793130532495145,0.22291532301423547,0.22518037281620967,0.22554746522684171,0.2269197311389402,0.22761113740269207,0.22809504253482718,0.22926245208429,0.22973486872502386,0.23019073172348117,0.2313952170452212,0.23449511628972605,0.23531691110131617,0.23546225766026047,0.23550486023862524],"n_dims_used":45,"mean_confidence":0.9271668328179253},"coverage":{"mean_confidence":0.9271668328179253,"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}}