{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006036},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005401","490:4900005255","490:4900005402","490:4900006889","490:4900007626","490:4900005386","490:4900009716","490:4900005522","470:4700003132","490:4900005784","490:4900009199","490:4900005793","490:4900008321","496:4960002390","490:4900004717","490:4900006175","490:4900005787","490:4900005908","490:4900003224","490:4900006172","490:4900005533","490:4900007387","490:4900004863","490:4900005668","466:4660003153"],"twin_admin_codes":[490,490,490,490,490,490,490,490,470,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,466],"twin_sims":[0.533899351577134,0.5290300456993136,0.5091649233862829,0.4866739485069319,0.48360428669546446,0.4540544367651365,0.4363094740779048,0.4338286962703002,0.4293582423429599,0.3993080014382613,0.3878791225425181,0.38580676229748256,0.37011760363820206,0.35927208646318665,0.35843787923201675,0.35616692953670664,0.3555520472842169,0.35036530161955665,0.3348101252882983,0.3322403060297062,0.32122845005105194,0.3199101878907865,0.31594478544379134,0.31501370570533066,0.31394222658958226],"twin_dists":[0.14549976685061242,0.14655805642035005,0.1508986512631199,0.15586679675183415,0.15655002994520315,0.16320197608547002,0.16727143079364573,0.16784543123647913,0.16888314685505204,0.17598086255542975,0.17874254666308226,0.17924736893623605,0.1831123859370528,0.18583176475520066,0.18604264532118747,0.18661800204300613,0.18677411036817568,0.18809654784256752,0.1921257392767319,0.19280100647536996,0.19572759387765074,0.19608165924063117,0.197151679943337,0.19740401974883054,0.19769493448205855],"n_dims_used":45,"mean_confidence":0.917254892985026},"coverage":{"mean_confidence":0.917254892985026,"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}}