{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001883},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001349","490:4900000955","490:4900001740","490:4900001044","490:4900001061","490:4900001093","490:4900001872","496:4960008966","490:4900001326","496:4960008272","490:4900001322","490:4900003735","490:4900003887","490:4900002033","490:4900002203","490:4900003339","496:4960008574","496:4960008967","490:4900000503","490:4900001566","496:4960008963","490:4900001060","490:4900004036","490:4900000517","490:4900002188"],"twin_admin_codes":[490,490,490,490,490,490,490,496,490,496,490,490,490,490,490,490,496,496,490,490,496,490,490,490,490],"twin_sims":[0.6249189197939792,0.583030362181569,0.5411439306220953,0.4844732796192486,0.47653442902678483,0.46960116577151906,0.4679606219465567,0.4615778997786296,0.4538577523563337,0.44588710847409163,0.434421041548539,0.4254376109817496,0.41979102677164487,0.4185149301925244,0.41390859628704885,0.41093207217622013,0.40319034501304973,0.4022834809097082,0.38776520340423265,0.38748859633408667,0.3840063482400332,0.38262413693507197,0.3775202137514027,0.37510558133617367,0.36562146185163513],"twin_dists":[0.12593585103188346,0.13490902831252236,0.14392882528307177,0.15635647722053844,0.15812882103091605,0.1596845274105467,0.160053761184104,0.16149457145430915,0.16324674935412448,0.16506730351541704,0.16770825590897978,0.1697968702796324,0.17111901353670655,0.1714188472270742,0.17250442669378505,0.17320868674619896,0.17505100945852034,0.17526784732780543,0.1787702639137674,0.17883758018298815,0.17968699206404834,0.18002516698070675,0.18127902760398598,0.18187508781339223,0.1842347985962314],"n_dims_used":45,"mean_confidence":0.9146543714735244},"coverage":{"mean_confidence":0.9146543714735244,"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}}