{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003745},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003610","490:4900003733","490:4900004439","490:4900003746","490:4900003741","490:4900004158","494:4940004540","496:4960007775","487:4870011465","496:4960006358","490:4900004013","490:4900003744","490:4900003346","494:4940004660","494:4940004775","494:4940004301","494:4940004172","490:4900004005","487:4870001762","494:4940003700","490:4900002916","490:4900002307","490:4900002604","494:4940004292","490:4900004294"],"twin_admin_codes":[490,490,490,490,490,490,494,496,487,496,490,490,490,494,494,494,494,490,487,494,490,490,490,494,490],"twin_sims":[0.33843271927685953,0.3086207789650002,0.25768586477552696,0.2543080546600491,0.2509278542976202,0.248648646494121,0.22946402868844615,0.2258007165037738,0.21526072230960877,0.21473424552858852,0.1971284017348183,0.19619450337202074,0.1929152565855234,0.1759634262373316,0.1710537610655499,0.16868151461744296,0.16808801499240736,0.16622372982615174,0.16030338401102964,0.15293635404189268,0.1498050820969004,0.14498831388024133,0.14088865839882617,0.14037270088660275,0.13797495053774725],"twin_dists":[0.19117859517185615,0.19914820300859082,0.21388037305622978,0.21491845306035182,0.21596606757057896,0.21667754695392755,0.22284047553042943,0.22405532004744846,0.22762558073978406,0.22780696503727085,0.23405530106152656,0.23439727518404857,0.23560708764592148,0.24210214649006784,0.24406573863695313,0.24502899285449223,0.24527150497975322,0.24603731022874797,0.24851116521791639,0.25168411916466077,0.25306671436971445,0.25523572729317034,0.2571242856872087,0.25736485256350256,0.2584915466254532],"n_dims_used":45,"mean_confidence":0.9167650010850694},"coverage":{"mean_confidence":0.9167650010850694,"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}}