{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910002013},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001911","491:4910001392","491:4910002065","491:4910001452","491:4910001383","491:4910002064","491:4910001857","491:4910001060","491:4910002863","491:4910002206","491:4910001966","491:4910002964","490:4900005426","491:4910001560","490:4900005435","491:4910001803","490:4900005167","491:4910001629","491:4910001630","490:4900003784","491:4910001570","490:4900003927","491:4910001569","490:4900004888","491:4910001325"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,490,491,490,491,490,491,491,490,491,490,491,490,491],"twin_sims":[0.475202193038446,0.4249366938581446,0.3644396171626017,0.34520202893513485,0.20220201915743077,0.2000253831428307,0.1297830651266095,0.1268623063834062,0.11828090844996647,0.11212059935702616,0.10867407993981615,0.1061661057999694,0.09650787970820522,0.09424630457611119,0.08063262148093062,0.07657636117134918,0.07548436993634906,0.07307623934049116,0.07012702503430963,0.06543122424374624,0.0638324970846292,0.05800484810904906,0.05747646614807395,0.05584889446288077,0.05200760785007777],"twin_dists":[0.1584271681255273,0.16991386175444148,0.1845309805969029,0.18942321462581535,0.23221674450011023,0.2330015630915197,0.2624551604211823,0.263913968878475,0.2683530570762132,0.27169421203093813,0.27362566332085353,0.2750611871143257,0.28084922422017017,0.28226980122323025,0.29144320982269256,0.29441528516436827,0.29523700021473503,0.2970835680891575,0.29941334484833015,0.30329270099009853,0.30466533237903487,0.3099202966517652,0.31041794025663383,0.31197493072121996,0.3158041912769801],"n_dims_used":44,"mean_confidence":0.8928677818991921},"coverage":{"mean_confidence":0.8928677818991921,"n_dims_used":44,"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}}