{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001554},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001829","490:4900001549","490:4900004693","490:4900001273","490:4900003853","490:4900006764","490:4900003180","490:4900002599","490:4900002136","490:4900002295","490:4900002590","490:4900012636","490:4900002745","490:4900004538","490:4900006763","490:4900007739","490:4900004125","490:4900007258","490:4900003306","490:4900007609","490:4900006152","490:4900002132","490:4900003578","490:4900002449","490:4900001283"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7643887692876412,0.6751045654984368,0.5846072755478772,0.5453098000546864,0.5368958320912404,0.5347422589913936,0.5272744306468354,0.5178440907503659,0.5139256980666574,0.49053556267951587,0.4802695519970084,0.46239084573357747,0.4487240760310475,0.4412437168179048,0.43144067594620067,0.4302343649617939,0.4224119727403102,0.4192928917911567,0.4190392103457536,0.40398661535054486,0.39722350729721334,0.3806059526747925,0.37256590767881037,0.3677706648646964,0.36761409647580306],"twin_dists":[0.095204069065902,0.11512590410921293,0.1345709002057047,0.143027277468122,0.14484949772324351,0.1453167730133858,0.14694012633596604,0.14899734903663922,0.14985473945543032,0.15500915877139862,0.15729379697224435,0.16131067574188937,0.16441793201122845,0.1661335750520177,0.1683992148434283,0.16867943056401577,0.17050439912016493,0.17123600998348631,0.17129561456308606,0.1748607961017263,0.17648181126502557,0.1805199950811959,0.1825040476983744,0.1836974175953573,0.18373651229571641],"n_dims_used":45,"mean_confidence":0.9142879062228733},"coverage":{"mean_confidence":0.9142879062228733,"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}}