{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010150},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010239","490:4900008441","490:4900010412","490:4900011309","490:4900008548","490:4900010488","490:4900009743","490:4900011378","490:4900010326","490:4900007890","490:4900012107","490:4900010573","490:4900008442","490:4900009542","490:4900010583","490:4900009726","490:4900010401","490:4900010327","490:4900010149","490:4900010655","490:4900011241","490:4900010402","490:4900010653","490:4900011444","490:4900009727"],"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":[0.16179954868185747,0.07524538253633546,0.0689287065114335,0.06303161524122858,0.03317801676882042,0.02602992666813025,0.02337899261887754,0.01814869252971112,0.016389746644020552,0.009887893445834642,0.009371810726275449,0.009048442198670075,0.0077371215095652715,0.0066114145473392906,0.006537236070263452,0.005935249798104359,0.005741111394293094,0.004997001560303701,0.0045184934962309055,0.004385748071752881,0.00362683335775687,0.0027096247578492693,0.002679462489770508,0.0025637549276831847,0.002500472760947675],"twin_dists":[0.24787981309704876,0.29541811341217056,0.3003827340784893,0.30536355307271484,0.3389633438046392,0.35082983389934197,0.35595644517805836,0.36776073837032097,0.3724069949346942,0.39463230765013646,0.39691687235378714,0.39840627061713807,0.40498045476798905,0.41147704222754256,0.41193930565298387,0.4158761233838304,0.41722277445734735,0.4227975013480433,0.42679438663422725,0.42797122128717735,0.43539520154485184,0.4465471352082212,0.44696976317156384,0.44863251290417216,0.44957120585885224],"n_dims_used":45,"mean_confidence":0.8924808926052518},"coverage":{"mean_confidence":0.8924808926052518,"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}}