{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002826},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002974","490:4900001772","490:4900002381","490:4900002229","490:4900002231","490:4900002679","490:4900002827","490:4900001766","490:4900001767","490:4900002078","490:4900002530","490:4900002238","490:4900002230","490:4900002678","490:4900001920","490:4900002973","490:4900001921","490:4900001631","490:4900001774","490:4900002832","490:4900002686","490:4900003138","490:4900001231","490:4900001362","491:4910001275"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.7550530627188118,0.7141414489685664,0.6789375796640585,0.6084773917743964,0.47402839224562876,0.43042340234732185,0.3475581646346086,0.3474809901429088,0.3357921893551406,0.3253140490361918,0.3083318083628318,0.2814195674314715,0.250753897914706,0.2376523438349515,0.2352757916017953,0.2073384129116954,0.17464840674041335,0.16815481347874423,0.15523342624016614,0.15002860956197175,0.12677472275057208,0.12619877619984146,0.1162492433042886,0.1061973660463479,0.10583577519705788],"twin_dists":[0.09735689056145591,0.10657216309338265,0.11429339857283653,0.1294576383044507,0.1586902618366938,0.16863549771798741,0.18881653478277013,0.18883637193656114,0.1918684284035408,0.19463539055312093,0.19922752922011747,0.20681537313416715,0.21602022397214157,0.22017050083081607,0.22093913026448322,0.23038745513163444,0.24262420443925722,0.2452441794631205,0.2506830153776243,0.2529673161739927,0.2639581045065964,0.2642489159010535,0.2694398752761306,0.27504313304063127,0.27525221951687273],"n_dims_used":45,"mean_confidence":0.9146245320638021},"coverage":{"mean_confidence":0.9146245320638021,"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}}