{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001398},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003172","490:4900001692","490:4900001266","490:4900001978","494:4940008730","494:4940007796","490:4900003856","494:4940007441","490:4900006635","490:4900004534","490:4900001066","490:4900003437","490:4900001974","490:4900002426","490:4900005632","490:4900001265","490:4900001271","494:4940007864","494:4940004768","490:4900003305","494:4940007442","494:4940004293","496:4960008376","490:4900004263","496:4960008251"],"twin_admin_codes":[490,490,490,490,494,494,490,494,490,490,490,490,490,490,490,490,490,494,494,490,494,494,496,490,496],"twin_sims":[0.4373271365735583,0.4178258612838075,0.40640563019160497,0.3446348847707066,0.34201752812135794,0.3347635429432047,0.31603034586025436,0.3025528461296723,0.2885386977267786,0.2712987278354875,0.2650882617786,0.264080426375688,0.26356030845384026,0.26247354636584014,0.26143615455217395,0.25969834716015944,0.2563031855077432,0.2514651094596896,0.25102119781330173,0.24901891814991284,0.24888825033728074,0.2450617392677768,0.2448408786118322,0.24368998349611432,0.2424698362322715],"twin_dists":[0.16703634068766823,0.17158091375934753,0.1742839676195549,0.1895695751214361,0.19024668972880032,0.19213795449730078,0.19712851263241488,0.20082302772097707,0.204767718866581,0.20978125046937882,0.21163504554094012,0.21193841715147102,0.21209526225818762,0.21242360852661113,0.2127378335420157,0.21326597179983023,0.2143042553177687,0.21579895949563627,0.2159370175865515,0.21656167959082628,0.2166025562452768,0.2178057573908557,0.21787557216882125,0.21824003278284146,0.21862764001738733],"n_dims_used":45,"mean_confidence":0.9208558824327256},"coverage":{"mean_confidence":0.9208558824327256,"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}}