{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002723},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002425","490:4900003163","490:4900002870","490:4900002722","490:4900002864","490:4900003294","490:4900002872","490:4900003013","490:4900002871","490:4900002724","490:4900001961","490:4900003408","490:4900003012","490:4900002569","490:4900003020","490:4900003157","490:4900003006","490:4900003957","490:4900003679","490:4900003021","490:4900003678","490:4900002273","490:4900002263","494:4940008548","490:4900003290"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490],"twin_sims":[0.7319667671867885,0.5889752362741583,0.4019263841789211,0.3947772233552548,0.3310124017112542,0.2974030065971171,0.2548633261042917,0.24695471171892322,0.2424068145248667,0.18492506622458343,0.18378245854022432,0.18289366939053553,0.18262680288748684,0.1775247885126037,0.1765006298875934,0.17620461889005845,0.16677953720667713,0.16325441240575708,0.15505120836155023,0.15253419240318097,0.150421374495921,0.1480798857240609,0.14788476807736814,0.14762869539582751,0.14385290375641974],"twin_dists":[0.10259594021009646,0.1336346173380605,0.17535329221746349,0.17707124603382213,0.1931246672013264,0.20225983466637834,0.2147472077983081,0.2172090375636271,0.21864769450633334,0.23861619983620191,0.23905391958209285,0.23939573244246481,0.23949859336806295,0.24148588687913403,0.24188967820413404,0.24200669584587148,0.2458083526330319,0.24726993804110906,0.25076203138918907,0.2518605202519198,0.25279292529492675,0.25383757616213737,0.2539251760618323,0.2540402718939983,0.25575475519407714],"n_dims_used":45,"mean_confidence":0.9198414272732205},"coverage":{"mean_confidence":0.9198414272732205,"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}}