{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001950},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001523","490:4900003411","490:4900001947","490:4900001796","490:4900001384","490:4900002853","490:4900004241","490:4900003976","490:4900003547","490:4900003830","490:4900002405","490:4900001789","490:4900001956","490:4900001962","490:4900009792","490:4900002551","490:4900002421","490:4900003142","490:4900008844","490:4900001263","490:4900003819","490:4900002257","490:4900002558","490:4900004106","490:4900001797"],"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":[0.2749186985350727,0.23587576034873914,0.22946372461534323,0.2159858864587966,0.1876206417615299,0.18390199365135676,0.16884023796723371,0.15315200423549077,0.1416486012095969,0.12573056176912642,0.12499342111287133,0.12484190223317698,0.11515761067650059,0.1144089798059456,0.11398309735047946,0.11220658361119609,0.11174372694743526,0.1096453914318907,0.1088783564530297,0.10439665523536773,0.09347237113927656,0.09276679032274651,0.09235833685970149,0.09049191949869206,0.08659006657240308],"twin_dists":[0.20871277567193044,0.22074461015361815,0.22284057583418576,0.22737623290723305,0.23759104088018074,0.2390080374344854,0.24496424033277756,0.2515896681811135,0.25677115199834666,0.2644860730290506,0.2648608069989608,0.2649380411960107,0.2700298645360117,0.27043696277865675,0.27066946880079445,0.2716466158188989,0.27190316098256834,0.2730765958226879,0.2735098743024856,0.27608992346727906,0.28276210515058076,0.283213740182759,0.2834764279946992,0.28468859223241055,0.2872881300438583],"n_dims_used":45,"mean_confidence":0.9199324713812934},"coverage":{"mean_confidence":0.9199324713812934,"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}}