{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011833},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011501","490:4900011437","490:4900011966","490:4900011436","490:4900012168","490:4900011438","490:4900011644","490:4900011895","490:4900011829","490:4900011234","490:4900011634","490:4900011703","490:4900011435","490:4900011565","490:4900011167","490:4900011899","490:4900011232","490:4900011165","490:4900011228","490:4900010760","490:4900010843","490:4900011159","490:4900011962","490:4900011563","490:4900011562"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.3440835287906499,0.2596269769735099,0.25853019551545053,0.24372992179830874,0.2237914037817455,0.2144243053517692,0.2039867636326689,0.19726587517913408,0.1936875769010366,0.19242213889943613,0.18054146530099988,0.17615391845981693,0.17554756110472702,0.15939765695566155,0.15895728111027524,0.154180230169352,0.15274809477274565,0.1258398507367836,0.12330150823894839,0.11995902448026766,0.11907173090222192,0.1110073106841309,0.11089324356648178,0.09961945590044582,0.09419750600016559],"twin_dists":[0.1897119837958562,0.21328770938635647,0.21362223597781363,0.21822736670329135,0.22472721823177752,0.22791388750270622,0.2315775497529244,0.23400505592261814,0.23532087672092392,0.23579024747058638,0.24030604495195268,0.24202675253110748,0.24226694188502773,0.24889544769477126,0.24908286488843023,0.2511406595817129,0.25176665332740195,0.26443065677462585,0.2657273039434133,0.26746609702467594,0.2679338805085668,0.27231302655991907,0.27237670033778927,0.27893688770921893,0.28230074795172205],"n_dims_used":45,"mean_confidence":0.8904570685492621},"coverage":{"mean_confidence":0.8904570685492621,"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}}