{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007274},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007149","490:4900007023","490:4900007393","490:4900007268","490:4900007269","490:4900005006","490:4900006900","490:4900007273","490:4900002035","490:4900006291","490:4900008873","490:4900007152","490:4900006059","490:4900002033","490:4900001339","490:4900007633","490:4900001872","466:4660001932","490:4900006778","466:4660001419","487:4870005726","490:4900007272","466:4660001840","490:4900007147","490:4900001326"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,466,487,490,466,490,490],"twin_sims":[0.6309032704616965,0.5952834652812462,0.5109039352253646,0.49316018058768085,0.4342247820018577,0.4339765390945201,0.4332520377480468,0.4100745384733022,0.3726311646270004,0.3702047931366542,0.3678549454178751,0.3668786393544523,0.3540674728988117,0.35158388156112025,0.3452040874349286,0.345193985655481,0.34147801430162705,0.3332804837702392,0.3315835641776293,0.32948995916678786,0.31998127432467655,0.31590173484514955,0.3059981666393116,0.304984597901118,0.30380230086293275],"twin_dists":[0.12465281626160021,0.13228308823198412,0.15051704518018338,0.15442740074198,0.16775369738975401,0.16781118676579265,0.1679790460402863,0.17341199635814958,0.18248786018767701,0.1830906874730486,0.18367637641742002,0.18392026557765884,0.1871515951127112,0.1877849420427989,0.1894226836297638,0.18942528942944942,0.1903866058914682,0.19252733911171444,0.19297403413279074,0.19352687940031138,0.19606254564928638,0.1971633381557238,0.19986971918326357,0.2001495215917688,0.20047658374254518],"n_dims_used":45,"mean_confidence":0.9091178046332465},"coverage":{"mean_confidence":0.9091178046332465,"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}}