{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003992},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004419","490:4900001542","490:4900002129","490:4900003175","490:4900004541","490:4900002883","490:4900004677","490:4900003038","490:4900004421","490:4900003572","490:4900001683","490:4900001979","490:4900004280","490:4900002446","490:4900004124","490:4900003861","490:4900003708","490:4900003860","494:4940008004","490:4900005092","490:4900004537","490:4900004399","490:4900002906","490:4900001819","490:4900004534"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490],"twin_sims":[0.627408121334135,0.5603239767308315,0.5260381077995885,0.5207703019024879,0.5176397236192387,0.49964826775275795,0.48214813102101145,0.4632677856253659,0.456121212599118,0.4438676121901032,0.4401653897364185,0.41802802652155097,0.3982585743090371,0.3953616948963199,0.3839154418927087,0.37417973243929786,0.3704077425315715,0.36726052012719707,0.35863675412748286,0.35811590665099235,0.35191525364244836,0.3504265926162641,0.3469163461980913,0.33882064609634305,0.3358317572576681],"twin_dists":[0.12540228008162535,0.13978744470850546,0.1472093507518947,0.14835807909206186,0.14904202786502185,0.15299312644755692,0.15687460630489053,0.16111243147989532,0.16273192283442048,0.16553051700757426,0.16638181354749254,0.1715333534107587,0.1762329126928638,0.17693026439205328,0.17970921551057217,0.1821041346008333,0.18304019018675186,0.1838248300155742,0.1859923486193343,0.186124104539294,0.18770030369309787,0.1880808614677701,0.1889815803627134,0.19107749498653215,0.19185806976329195],"n_dims_used":45,"mean_confidence":0.922021484375},"coverage":{"mean_confidence":0.922021484375,"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}}