{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000936},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000999","489:4890000997","489:4890000881","489:4890000939","489:4890001000","489:4890001524","489:4890001057","489:4890001056","489:4890000879","489:4890000998","489:4890000940","489:4890001121","489:4890000822","489:4890001059","489:4890001525","489:4890001058","489:4890000878","489:4890000704","489:4890000823","489:4890000765","489:4890000415","489:4890000937","489:4890001446","489:4890000362","489:4890000818"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9184179497515379,0.9054157481375265,0.8992153223655823,0.8737604225519852,0.8589722750889159,0.8261285683442755,0.809324795019192,0.8046612490469502,0.7947116114827465,0.7919990551736252,0.7802899760439084,0.7745201207316654,0.7653902384444902,0.7491136114648466,0.7409961819432686,0.6907581363294509,0.6789793416202099,0.6610027613625777,0.6518898796868136,0.6456389056980023,0.6435987774741878,0.6066253076682276,0.6055221670815852,0.6011784215394673,0.5959251027806347],"twin_dists":[0.05358096566308361,0.057895782932047016,0.059864323126234756,0.06747202910162349,0.07161223956809994,0.08027144102412219,0.08447932895038428,0.08562539331579021,0.0880422555749108,0.08869487699376379,0.09148358594715383,0.09284193622148913,0.09497181614711452,0.09871565295400196,0.10056006459925806,0.11171705504778918,0.11428432075588073,0.11817825641977323,0.12014332541190455,0.12148852755204938,0.12192714306255356,0.12985422063491112,0.13009043283056818,0.13102057477760046,0.1321456520763519],"n_dims_used":45,"mean_confidence":0.9146536933051215},"coverage":{"mean_confidence":0.9146536933051215,"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}}