{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004444},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003603","490:4900004430","490:4900003594","490:4900004431","490:4900003878","490:4900003462","490:4900003329","490:4900001469","490:4900003072","490:4900003338","490:4900001732","490:4900004295","490:4900004161","490:4900002148","490:4900002320","490:4900002472","490:4900002017","490:4900002319","490:4900004015","490:4900004567","490:4900002903","490:4900003466","490:4900002902","496:4960006224","490:4900003611"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490],"twin_sims":[0.9038554316556884,0.7533626225725295,0.7485269164480475,0.7247787988976088,0.7101475834435167,0.7029456834940928,0.6611184483387091,0.6446325651769312,0.6430834819451754,0.6391304552911747,0.6239412404311037,0.5951664658978434,0.5744279733967572,0.5707856474232583,0.567497865525346,0.5593241197541085,0.5520083618568378,0.544689577281612,0.5333121300387701,0.5331489035448415,0.5082258523351794,0.49694302131245577,0.46718397747323737,0.46192517177112746,0.4585589615425011],"twin_dists":[0.05839612535218129,0.0977444393592833,0.09884943638080362,0.10420576841868501,0.10745612378780577,0.1090444098665535,0.11815327602998227,0.12170490888291466,0.12203789852850516,0.12288716714532805,0.12614538280738413,0.13230814959375012,0.13675488266997698,0.13753720939620784,0.13824384743846455,0.14000278811786443,0.14158011964698614,0.1431614231527263,0.14562728636506242,0.14566273730353702,0.15110485971982524,0.15359050487299472,0.16022871285510132,0.16141600143614415,0.16217849016429806],"n_dims_used":45,"mean_confidence":0.9168857150607639},"coverage":{"mean_confidence":0.9168857150607639,"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}}